[zfs-discuss] arc_reclaim 99% cpu utilization

Frank Xenal xn9733 at gmail.com
Fri Jan 8 00:26:08 EST 2016


Hello,

Recently upgraded from 0.6.3.1 to  zfs-0.6.5.3-1.el6.x86_64

Note: Reason for upgrading was that I was getting very high CPU usage with
"arc_adapt" and the NFS mounts would be non-responsive and would have no
choice but to reboot the system.

Since the upgrade, now I'm seeing  "arc_reclaim" at a constant 99% cpu
utilization after very high NFS traffic -- mainly during nightly backups.
However, this time the nfs mounts are still responsive. I also see lots of
"arc_prune" processing running.

System information:

OS: Centos 6.7
       Linux 2.6.32-573.12.1.el6.x86_64 #1 SMP Tue Dec 15 21:19:08 UTC 2015
x86_64 x86_64 x86_64 GNU/Linux
ZFS pools:   4 very active pools, each with 10 disks in raidz2
RAM: 256G
Note: this server is strictly an NFS server


Looking for some help with determining what is causing this. I'm concerned
that the system NFS mounts will eventually become unresponsive and will
have to reboot.

Thanks!


Following are some zfs config and debug information:

SLAB information:
==============
--------------------- cache
-------------------------------------------------------  ----- slab ------
 ---- object -----  --- emergency ---
name                                    flags      size     alloc slabsize
 objsize  total alloc   max  total alloc   max  dlock alloc   max
spl_vn_cache                          0x00020     98304     48048     8192
     104     12    11    11    504   462   462      0     0     0
spl_vn_file_cache                     0x00020     65536     32928     8192
     112      8     7     7    336   294   294      0     0     0
spl_zlib_workspace_cache              0x00240         0         0  2144960
  268072      0     0     0      0     0     0      0     0     0
ddt_cache                             0x00040   2390784   2187328   199232
   24856     12    11    11     96    88    88      0     0     0
zio_buf_20480                         0x00042  27095040  19660800   200704
   20480    135   135   159   1080   960  1272      0     0     0
zio_data_buf_20480                    0x00042  45760512  25231360   200704
   20480    228   228   366   1824  1232  2928      0     0     0
zio_buf_24576                         0x00042  26849280  21037056   233472
   24576    115   115   142    920   856  1136      0     0     0
zio_data_buf_24576                    0x00042  47861760  29097984   233472
   24576    205   205   296   1640  1184  2368      0     0     0
zio_buf_28672                         0x00042  35676160  28901376   266240
   28672    134   134   134   1072  1008  1072      0     0     0
zio_data_buf_28672                    0x00042  43663360  31653888   266240
   28672    164   164   166   1312  1104  1328      0     0     0
zio_buf_32768                         0x00042  34086912  23330816   299008
   32768    114   114   134    912   712  1072      0     0     0
zio_data_buf_32768                    0x00042  53821440  37486592   299008
   32768    180   180   199   1440  1144  1592      0     0     0
zio_buf_40960                         0x00042  36454400  32768000   364544
   40960    100   100   145    800   800  1160      0     0     0
zio_data_buf_40960                    0x00042  80564224  53411840   364544
   40960    221   221   287   1768  1304  2296      0     0     0
zio_buf_49152                         0x00042  52469760  46399488   430080
   49152    122   122   133    976   944  1064      0     0     0
zio_data_buf_49152                    0x00042  73973760  53870592   430080
   49152    172   172   201   1376  1096  1608      0     0     0
zio_buf_57344                         0x00042  51544064  45875200   495616
   57344    104   104   133    832   800  1064      0     0     0
zio_data_buf_57344                    0x00042  76820480  57344000   495616
   57344    155   155   169   1240  1000  1352      0     0     0
zio_buf_65536                         0x00042  60604416  54525952   561152
   65536    108   108   134    864   832  1072      0     0     0
zio_data_buf_65536                    0x00042  96518144  78118912   561152
   65536    172   172   174   1376  1192  1392      0     0     0
zio_buf_81920                         0x00042  60915712  52428800   692224
   81920     88    88   140    704   640  1120      0     0     0
zio_data_buf_81920                    0x00042 124600320  87162880   692224
   81920    180   180   197   1440  1064  1576      0     0     0
zio_buf_98304                         0x00042  84799488  75497472   823296
   98304    103   103   136    824   768  1088      0     0     0
zio_data_buf_98304                    0x00042 138313728 101449728   823296
   98304    168   168   177   1344  1032  1416      0     0     0
zio_buf_114688                        0x00042 108797952  73400320   954368
  114688    114   114   127    912   640  1016      0     0     0
zio_data_buf_114688                   0x00042 149835776 140378112   954368
  114688    157   157   157   1256  1224  1256      0     0     0
zio_buf_131072                        0x00042  37990400  29360128  1085440
  131072     35    35   468    280   224  3744      0     0     0
zio_data_buf_131072                   0x00042  39075840  31457280  1085440
  131072     36    36 38583    288   240 308664      0     0     0
zio_buf_163840                        0x00042         0         0  1347584
  163840      0     0     0      0     0     0      0     0     0
zio_data_buf_163840                   0x00042         0         0  1347584
  163840      0     0     0      0     0     0      0     0     0
zio_buf_196608                        0x00042         0         0  1609728
  196608      0     0     0      0     0     0      0     0     0
zio_data_buf_196608                   0x00042         0         0  1609728
  196608      0     0     0      0     0     0      0     0     0
zio_buf_229376                        0x00042         0         0  1871872
  229376      0     0     0      0     0     0      0     0     0
zio_data_buf_229376                   0x00042         0         0  1871872
  229376      0     0     0      0     0     0      0     0     0
zio_buf_262144                        0x00042         0         0  2134016
  262144      0     0     0      0     0     0      0     0     0
zio_data_buf_262144                   0x00042         0         0  2134016
  262144      0     0     0      0     0     0      0     0     0
zio_buf_327680                        0x00042         0         0  2658304
  327680      0     0     0      0     0     0      0     0     0
zio_data_buf_327680                   0x00042         0         0  2658304
  327680      0     0     0      0     0     0      0     0     0
zio_buf_393216                        0x00042         0         0  3182592
  393216      0     0     0      0     0     0      0     0     0
zio_data_buf_393216                   0x00042         0         0  3182592
  393216      0     0     0      0     0     0      0     0     0
zio_buf_458752                        0x00042         0         0  3706880
  458752      0     0     0      0     0     0      0     0     0
zio_data_buf_458752                   0x00042         0         0  3706880
  458752      0     0     0      0     0     0      0     0     0
zio_buf_524288                        0x00042         0         0  4231168
  524288      0     0     0      0     0     0      0     0     0
zio_data_buf_524288                   0x00042         0         0  4231168
  524288      0     0     0      0     0     0      0     0     0
zio_buf_655360                        0x00042         0         0  5279744
  655360      0     0     0      0     0     0      0     0     0
zio_data_buf_655360                   0x00042         0         0  5279744
  655360      0     0     0      0     0     0      0     0     0
zio_buf_786432                        0x00042         0         0  6328320
  786432      0     0     0      0     0     0      0     0     0
zio_data_buf_786432                   0x00042         0         0  6328320
  786432      0     0     0      0     0     0      0     0     0
zio_buf_917504                        0x00042         0         0  7376896
  917504      0     0     0      0     0     0      0     0     0
zio_data_buf_917504                   0x00042         0         0  7376896
  917504      0     0     0      0     0     0      0     0     0
zio_buf_1048576                       0x00042         0         0  8425472
 1048576      0     0     0      0     0     0      0     0     0
zio_data_buf_1048576                  0x00042         0         0  8425472
 1048576      0     0     0      0     0     0      0     0     0
zio_buf_1310720                       0x00042         0         0 10522624
 1310720      0     0     0      0     0     0      0     0     0
zio_data_buf_1310720                  0x00042         0         0 10522624
 1310720      0     0     0      0     0     0      0     0     0
zio_buf_1572864                       0x00042         0         0 12619776
 1572864      0     0     0      0     0     0      0     0     0
zio_data_buf_1572864                  0x00042         0         0 12619776
 1572864      0     0     0      0     0     0      0     0     0
zio_buf_1835008                       0x00042         0         0 14716928
 1835008      0     0     0      0     0     0      0     0     0
zio_data_buf_1835008                  0x00042         0         0 14716928
 1835008      0     0     0      0     0     0      0     0     0
zio_buf_2097152                       0x00042         0         0 16814080
 2097152      0     0     0      0     0     0      0     0     0
zio_data_buf_2097152                  0x00042         0         0 16814080
 2097152      0     0     0      0     0     0      0     0     0
zio_buf_2621440                       0x00042         0         0 21008384
 2621440      0     0     0      0     0     0      0     0     0
zio_data_buf_2621440                  0x00042         0         0 21008384
 2621440      0     0     0      0     0     0      0     0     0
zio_buf_3145728                       0x00042         0         0 25202688
 3145728      0     0     0      0     0     0      0     0     0
zio_data_buf_3145728                  0x00042         0         0 25202688
 3145728      0     0     0      0     0     0      0     0     0
zio_buf_3670016                       0x00042         0         0 29396992
 3670016      0     0     0      0     0     0      0     0     0
zio_data_buf_3670016                  0x00042         0         0 29396992
 3670016      0     0     0      0     0     0      0     0     0
zio_buf_4194304                       0x00042         0         0 29392896
 4194304      0     0     0      0     0     0      0     0     0
zio_data_buf_4194304                  0x00042         0         0 29392896
 4194304      0     0     0      0     0     0      0     0     0
zio_buf_5242880                       0x00042         0         0 31485952
 5242880      0     0     0      0     0     0      0     0     0
zio_data_buf_5242880                  0x00042         0         0 31485952
 5242880      0     0     0      0     0     0      0     0     0
zio_buf_6291456                       0x00042         0         0 31481856
 6291456      0     0     0      0     0     0      0     0     0
zio_data_buf_6291456                  0x00042         0         0 31481856
 6291456      0     0     0      0     0     0      0     0     0
zio_buf_7340032                       0x00042         0         0 29380608
 7340032      0     0     0      0     0     0      0     0     0
zio_data_buf_7340032                  0x00042         0         0 29380608
 7340032      0     0     0      0     0     0      0     0     0
zio_buf_8388608                       0x00042         0         0 25182208
 8388608      0     0     0      0     0     0      0     0     0
zio_data_buf_8388608                  0x00042         0         0 25182208
 8388608      0     0     0      0     0     0      0     0     0
zio_buf_10485760                      0x00042         0         0 31473664
10485760      0     0     0      0     0     0      0     0     0
zio_data_buf_10485760                 0x00042         0         0 31473664
10485760      0     0     0      0     0     0      0     0     0
zio_buf_12582912                      0x00042         0         0 25178112
12582912      0     0     0      0     0     0      0     0     0
zio_data_buf_12582912                 0x00042         0         0 25178112
12582912      0     0     0      0     0     0      0     0     0
zio_buf_14680064                      0x00042         0         0 29372416
14680064      0     0     0      0     0     0      0     0     0
zio_data_buf_14680064                 0x00042         0         0 29372416
14680064      0     0     0      0     0     0      0     0     0
zio_buf_16777216                      0x00042         0         0 16785408
16777216      0     0     0      0     0     0      0     0     0
zio_data_buf_16777216                 0x00042         0         0 16785408
16777216      0     0     0      0     0     0      0     0     0



zfs.conf
=========
options zfs zfs_arc_min=10737418240
options zfs zfs_arc_max=68719476736


arcstat:
=========
6 1 0x01 91 4368 12850802983 183440709950683
name                            type data
hits                            4    137887521
misses                          4    61047442
demand_data_hits                4    4931870
demand_data_misses              4    11851169
demand_metadata_hits            4    117889449
demand_metadata_misses          4    39705706
prefetch_data_hits              4    1086655
prefetch_data_misses            4    1184105
prefetch_metadata_hits          4    13979547
prefetch_metadata_misses        4    8306462
mru_hits                        4    71392731
mru_ghost_hits                  4    6220387
mfu_hits                        4    51428588
mfu_ghost_hits                  4    2599822
deleted                         4    57251112
mutex_miss                      4    276401
evict_skip                      4    11019879240
evict_not_enough                4    320113180
evict_l2_cached                 4    0
evict_l2_eligible               4    444038314496
evict_l2_ineligible             4    121226022912
evict_l2_skip                   4    0
hash_elements                   4    1319696
hash_elements_max               4    17601910
hash_collisions                 4    15187078
hash_chains                     4    25670
hash_chain_max                  4    7
p                               4    64424509440
c                               4    68719476736
c_min                           4    10737418240
c_max                           4    68719476736
size                            4    68966084976
hdr_size                        4    538457296
data_size                       4    918016
metadata_size                   4    21605634560
other_size                      4    46821074464
anon_size                       4    4529152
anon_evictable_data             4    0
anon_evictable_metadata         4    0
mru_size                        4    16525418496
mru_evictable_data              4    0
mru_evictable_metadata          4    262144
mru_ghost_size                  4    0
mru_ghost_evictable_data        4    0
mru_ghost_evictable_metadata    4    0
mfu_size                        4    5076604928
mfu_evictable_data              4    0
mfu_evictable_metadata          4    0
mfu_ghost_size                  4    0
mfu_ghost_evictable_data        4    0
mfu_ghost_evictable_metadata    4    0
l2_hits                         4    0
l2_misses                       4    0
l2_feeds                        4    0
l2_rw_clash                     4    0
l2_read_bytes                   4    0
l2_write_bytes                  4    0
l2_writes_sent                  4    0
l2_writes_done                  4    0
l2_writes_error                 4    0
l2_writes_lock_retry            4    0
l2_evict_lock_retry             4    0
l2_evict_reading                4    0
l2_evict_l1cached               4    0
l2_free_on_write                4    0
l2_cdata_free_on_write          4    0
l2_abort_lowmem                 4    0
l2_cksum_bad                    4    0
l2_io_error                     4    0
l2_size                         4    0
l2_asize                        4    0
l2_hdr_size                     4    0
l2_compress_successes           4    0
l2_compress_zeros               4    0
l2_compress_failures            4    0
memory_throttle_count           4    0
duplicate_buffers               4    0
duplicate_buffers_size          4    0
duplicate_reads                 4    0
memory_direct_count             4    0
memory_indirect_count           4    0
arc_no_grow                     4    0
arc_tempreserve                 4    0
arc_loaned_bytes                4    0
arc_prune                       4    2374752
arc_meta_used                   4    68965174000
arc_meta_limit                  4    68719476736
arc_meta_max                    4    68988005008
arc_meta_min                    4    16777216
arc_need_free                   4    0
arc_sys_free                    4    4232241152


modinfo
===========
filename:       /lib/modules/2.6.32-573.12.1.el6.x86_64/extra/zfs.ko
version:        0.6.5.3-1
license:        CDDL
author:         OpenZFS on Linux
description:    ZFS
srcversion:     CEB8F91B3D53F4A2844D531
depends:        spl,znvpair,zcommon,zunicode,zavl
vermagic:       2.6.32-573.12.1.el6.x86_64 SMP mod_unload modversions
parm:           zvol_inhibit_dev:Do not create zvol device nodes (uint)
parm:           zvol_major:Major number for zvol device (uint)
parm:           zvol_max_discard_blocks:Max number of blocks to discard
(ulong)
parm:           zvol_prefetch_bytes:Prefetch N bytes at zvol start+end
(uint)
parm:           zio_delay_max:Max zio millisec delay before posting event
(int)
parm:           zio_requeue_io_start_cut_in_line:Prioritize requeued I/O
(int)
parm:           zfs_sync_pass_deferred_free:Defer frees starting in this
pass (int)
parm:           zfs_sync_pass_dont_compress:Don't compress starting in this
pass (int)
parm:           zfs_sync_pass_rewrite:Rewrite new bps starting in this pass
(int)
parm:           zil_replay_disable:Disable intent logging replay (int)
parm:           zfs_nocacheflush:Disable cache flushes (int)
parm:           zil_slog_limit:Max commit bytes to separate log device
(ulong)
parm:           zfs_read_chunk_size:Bytes to read per chunk (long)
parm:           zfs_immediate_write_sz:Largest data block to write to zil
(long)
parm:           zfs_dbgmsg_enable:Enable ZFS debug message log (int)
parm:           zfs_dbgmsg_maxsize:Maximum ZFS debug log size (int)
parm:           zfs_admin_snapshot:Enable mkdir/rmdir/mv in .zfs/snapshot
(int)
parm:           zfs_expire_snapshot:Seconds to expire .zfs/snapshot (int)
parm:           zfs_vdev_aggregation_limit:Max vdev I/O aggregation size
(int)
parm:           zfs_vdev_read_gap_limit:Aggregate read I/O over gap (int)
parm:           zfs_vdev_write_gap_limit:Aggregate write I/O over gap (int)
parm:           zfs_vdev_max_active:Maximum number of active I/Os per vdev
(int)
parm:           zfs_vdev_async_write_active_max_dirty_percent:Async write
concurrency max threshold (int)
parm:           zfs_vdev_async_write_active_min_dirty_percent:Async write
concurrency min threshold (int)
parm:           zfs_vdev_async_read_max_active:Max active async read I/Os
per vdev (int)
parm:           zfs_vdev_async_read_min_active:Min active async read I/Os
per vdev (int)
parm:           zfs_vdev_async_write_max_active:Max active async write I/Os
per vdev (int)
parm:           zfs_vdev_async_write_min_active:Min active async write I/Os
per vdev (int)
parm:           zfs_vdev_scrub_max_active:Max active scrub I/Os per vdev
(int)
parm:           zfs_vdev_scrub_min_active:Min active scrub I/Os per vdev
(int)
parm:           zfs_vdev_sync_read_max_active:Max active sync read I/Os per
vdev (int)
parm:           zfs_vdev_sync_read_min_active:Min active sync read I/Os per
vdev (int)
parm:           zfs_vdev_sync_write_max_active:Max active sync write I/Os
per vdev (int)
parm:           zfs_vdev_sync_write_min_active:Min active sync write I/Os
per vdev (int)
parm:           zfs_vdev_mirror_switch_us:Switch mirrors every N usecs (int)
parm:           zfs_vdev_scheduler:I/O scheduler (charp)
parm:           zfs_vdev_cache_max:Inflate reads small than max (int)
parm:           zfs_vdev_cache_size:Total size of the per-disk cache (int)
parm:           zfs_vdev_cache_bshift:Shift size to inflate reads too (int)
parm:           metaslabs_per_vdev:Divide added vdev into approximately
(but no more than) this number of metaslabs (int)
parm:           zfs_txg_timeout:Max seconds worth of delta per txg (int)
parm:           zfs_read_history:Historic statistics for the last N reads
(int)
parm:           zfs_read_history_hits:Include cache hits in read history
(int)
parm:           zfs_txg_history:Historic statistics for the last N txgs
(int)
parm:           zfs_flags:Set additional debugging flags (uint)
parm:           zfs_recover:Set to attempt to recover from fatal errors
(int)
parm:           zfs_free_leak_on_eio:Set to ignore IO errors during free
and permanently leak the space (int)
parm:           zfs_deadman_synctime_ms:Expiration time in milliseconds
(ulong)
parm:           zfs_deadman_enabled:Enable deadman timer (int)
parm:           spa_asize_inflation:SPA size estimate multiplication factor
(int)
parm:           spa_slop_shift:Reserved free space in pool (int)
parm:           spa_config_path:SPA config file (/etc/zfs/zpool.cache)
(charp)
parm:           zfs_autoimport_disable:Disable pool import at module load
(int)
parm:           spa_load_verify_maxinflight:Max concurrent traversal I/Os
while verifying pool during import -X (int)
parm:           spa_load_verify_metadata:Set to traverse metadata on pool
import (int)
parm:           spa_load_verify_data:Set to traverse data on pool import
(int)
parm:           metaslab_aliquot:allocation granularity (a.k.a. stripe
size) (ulong)
parm:           metaslab_debug_load:load all metaslabs when pool is first
opened (int)
parm:           metaslab_debug_unload:prevent metaslabs from being unloaded
(int)
parm:           metaslab_preload_enabled:preload potential metaslabs during
reassessment (int)
parm:           zfs_mg_noalloc_threshold:percentage of free space for
metaslab group to allow allocation (int)
parm:           zfs_mg_fragmentation_threshold:fragmentation for metaslab
group to allow allocation (int)
parm:           zfs_metaslab_fragmentation_threshold:fragmentation for
metaslab to allow allocation (int)
parm:           metaslab_fragmentation_factor_enabled:use the fragmentation
metric to prefer less fragmented metaslabs (int)
parm:           metaslab_lba_weighting_enabled:prefer metaslabs with lower
LBAs (int)
parm:           metaslab_bias_enabled:enable metaslab group biasing (int)
parm:           zfs_zevent_len_max:Max event queue length (int)
parm:           zfs_zevent_cols:Max event column width (int)
parm:           zfs_zevent_console:Log events to the console (int)
parm:           zfs_top_maxinflight:Max I/Os per top-level (int)
parm:           zfs_resilver_delay:Number of ticks to delay resilver (int)
parm:           zfs_scrub_delay:Number of ticks to delay scrub (int)
parm:           zfs_scan_idle:Idle window in clock ticks (int)
parm:           zfs_scan_min_time_ms:Min millisecs to scrub per txg (int)
parm:           zfs_free_min_time_ms:Min millisecs to free per txg (int)
parm:           zfs_resilver_min_time_ms:Min millisecs to resilver per txg
(int)
parm:           zfs_no_scrub_io:Set to disable scrub I/O (int)
parm:           zfs_no_scrub_prefetch:Set to disable scrub prefetching (int)
parm:           zfs_free_max_blocks:Max number of blocks freed in one txg
(ulong)
parm:           zfs_dirty_data_max_percent:percent of ram can be dirty (int)
parm:           zfs_dirty_data_max_max_percent:zfs_dirty_data_max upper
bound as % of RAM (int)
parm:           zfs_delay_min_dirty_percent:transaction delay threshold
(int)
parm:           zfs_dirty_data_max:determines the dirty space limit (ulong)
parm:           zfs_dirty_data_max_max:zfs_dirty_data_max upper bound in
bytes (ulong)
parm:           zfs_dirty_data_sync:sync txg when this much dirty data
(ulong)
parm:           zfs_delay_scale:how quickly delay approaches infinity
(ulong)
parm:           zfs_max_recordsize:Max allowed record size (int)
parm:           zfs_prefetch_disable:Disable all ZFS prefetching (int)
parm:           zfetch_max_streams:Max number of streams per zfetch (uint)
parm:           zfetch_min_sec_reap:Min time before stream reclaim (uint)
parm:           zfetch_block_cap:Max number of blocks to fetch at a time
(uint)
parm:           zfetch_array_rd_sz:Number of bytes in a array_read (ulong)
parm:           zfs_pd_bytes_max:Max number of bytes to prefetch (int)
parm:           zfs_send_corrupt_data:Allow sending corrupt data (int)
parm:           zfs_mdcomp_disable:Disable meta data compression (int)
parm:           zfs_nopwrite_enabled:Enable NOP writes (int)
parm:           zfs_dedup_prefetch:Enable prefetching dedup-ed blks (int)
parm:           zfs_dbuf_state_index:Calculate arc header index (int)
parm:           zfs_arc_min:Min arc size (ulong)
parm:           zfs_arc_max:Max arc size (ulong)
parm:           zfs_arc_meta_limit:Meta limit for arc size (ulong)
parm:           zfs_arc_meta_min:Min arc metadata (ulong)
parm:           zfs_arc_meta_prune:Meta objects to scan for prune (int)
parm:           zfs_arc_meta_adjust_restarts:Limit number of restarts in
arc_adjust_meta (int)
parm:           zfs_arc_meta_strategy:Meta reclaim strategy (int)
parm:           zfs_arc_grow_retry:Seconds before growing arc size (int)
parm:           zfs_arc_p_aggressive_disable:disable aggressive arc_p grow
(int)
parm:           zfs_arc_p_dampener_disable:disable arc_p adapt dampener
(int)
parm:           zfs_arc_shrink_shift:log2(fraction of arc to reclaim) (int)
parm:           zfs_arc_p_min_shift:arc_c shift to calc min/max arc_p (int)
parm:           zfs_disable_dup_eviction:disable duplicate buffer eviction
(int)
parm:           zfs_arc_average_blocksize:Target average block size (int)
parm:           zfs_arc_min_prefetch_lifespan:Min life of prefetch block
(int)
parm:           zfs_arc_num_sublists_per_state:Number of sublists used in
each of the ARC state lists (int)
parm:           l2arc_write_max:Max write bytes per interval (ulong)
parm:           l2arc_write_boost:Extra write bytes during device warmup
(ulong)
parm:           l2arc_headroom:Number of max device writes to precache
(ulong)
parm:           l2arc_headroom_boost:Compressed l2arc_headroom multiplier
(ulong)
parm:           l2arc_feed_secs:Seconds between L2ARC writing (ulong)
parm:           l2arc_feed_min_ms:Min feed interval in milliseconds (ulong)
parm:           l2arc_noprefetch:Skip caching prefetched buffers (int)
parm:           l2arc_nocompress:Skip compressing L2ARC buffers (int)
parm:           l2arc_feed_again:Turbo L2ARC warmup (int)
parm:           l2arc_norw:No reads during writes (int)
parm:           zfs_arc_lotsfree_percent:System free memory I/O throttle in
bytes (int)
parm:           zfs_arc_sys_free:System free memory target size in bytes
(ulong)


echo t > /proc/sysrq-trigger
======================
fffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_5    S 0000000000000014     0 11810      2 0x00000000
 ffff88202ab4fe20 0000000000000046 ffff88202ab4fde8 ffff88202ab4fde4
 ffff88163f2b7de8 ffff88207fc2ac00 0000a6b1f7c90e16 ffff8800282959c0
 00000000000005d5 000000010aead24e ffff88202ab49ad8 ffff88202ab4ffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_5    S 0000000000000014     0 11811      2 0x00000000
 ffff88202ab53e20 0000000000000046 ffff88202ab53de8 ffff88202ab53de4
 ffff8807b5be0498 ffff88207fc2ac00 0000a6b1f8b046fd ffff8800282559c0
 0000000000000400 000000010aead25f ffff88202ab49068 ffff88202ab53fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_5    S 0000000000000014     0 11812      2 0x00000000
 ffff88202ab57e20 0000000000000046 ffff88202ab57de8 ffff88202ab57de4
 ffff881ca2385538 ffff88207fc2ac00 0000a6b1f7f986af ffff8800282959c0
 00000000000005d5 000000010aead252 ffff88202ab485f8 ffff88202ab57fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_5    S 0000000000000013     0 11813      2 0x00000000
 ffff88202ab5fe20 0000000000000046 ffff88202ab5fde8 ffff88202ab5fde4
 ffff8807b5be0498 ffff88207fc2aa00 0000a6b1f87048e5 ffff8800282759c0
 0000000000000400 000000010aead244 ffff88202ab59ad8 ffff88202ab5ffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_5    S 0000000000000014     0 11814      2 0x00000000
 ffff88202ab63e20 0000000000000046 ffff88202ab63de8 ffff88202ab63de4
 ffff881c00000000 ffff88207fc2ac00 0000a6b1f92a8451 ffff8820f0c159c0
 0000000000001164 000000010aead267 ffff88202ab59068 ffff88202ab63fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_5    S 0000000000000014     0 11815      2 0x00000000
 ffff88202ab67e20 0000000000000046 ffff88202ab67de8 ffff88202ab67de4
 ffff88146925a8b0 ffff88207fc2ac00 0000a6b1f8833bd6 ffff8800282759c0
 0000000000000400 000000010aead25a ffff88202ab585f8 ffff88202ab67fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_5    S 0000000000000014     0 11816      2 0x00000000
 ffff88202ab6fe20 0000000000000046 ffff88202ab6fde8 ffff88202ab6fde4
 ffff880c698cf0a0 ffff88207fc2ac00 0000a6b1f89416c7 ffff8800282559c0
 0000000000000400 000000010aead25d ffff88202ab6bad8 ffff88202ab6ffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_5    S 0000000000000014     0 11817      2 0x00000000
 ffff88202ab73e20 0000000000000046 0000000000000000 0000000000000000
 ffff883dd16db0a0 ffffffffa0232e4b 0000a6b1f813a869 ffff88202ab6aab0
 ffff883f36ae88d0 000000010aead255 ffff88202ab6b068 ffff88202ab73fd8
Call Trace:
 [<ffffffffa0232e4b>] ? dbuf_write_physdone+0x4b/0x60 [zfs]
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_5    S 0000000000000014     0 11818      2 0x00000000
 ffff88202ab7be20 0000000000000046 ffff88202ab7bde8 ffff88202ab7bde4
 ffff880dbd7bb950 ffff88207fc2ac00 0000a6b1f93a78ec ffff8820f0c159c0
 0000000000000f56 000000010aead267 ffff88202ab6a5f8 ffff88202ab7bfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_5    S 0000000000000003     0 11819      2 0x00000000
 ffff88202ab7fe20 0000000000000046 ffff88202ab7fde8 ffff88202ab7fde4
 ffff883d00000000 ffff88207fc28a00 0000a6b1f9268791 ffff8820f0c159c0
 0000000000000f6d 000000010aead264 ffff88202ab77ad8 ffff88202ab7ffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_5    S 0000000000000014     0 11820      2 0x00000000
 ffff88202ab83e20 0000000000000046 ffff88202ab83de8 ffff88202ab83de4
 ffff883d00000000 ffff88207fc2ac00 0000a6b1f90949d7 ffff8820f0c159c0
 0000000000000f6d 000000010aead263 ffff88202ab77068 ffff88202ab83fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_5    S 0000000000000014     0 11821      2 0x00000000
 ffff88202ab8be20 0000000000000046 ffff88202ab8bde8 ffff88202ab8bde4
 ffff8815bb29b538 ffff88207fc2ac00 0000a6b1f89eef86 ffff8800282559c0
 0000000000000400 000000010aead25d ffff88202ab765f8 ffff88202ab8bfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_6    S 0000000000000003     0 11822      2 0x00000000
 ffff88202ab8fe20 0000000000000046 ffff88202ab8fde8 ffff88202ab8fde4
 ffff882000000000 ffff88207fc28a00 0000a6b1f7f83d9d ffff8820f0c559c0
 0000000000001142 000000010aead254 ffff88202ab87ad8 ffff88202ab8ffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_6    S 0000000000000004     0 11823      2 0x00000000
 ffff88202ab97e20 0000000000000046 0000000000000000 0000000000000000
 ffff8808d3cb4c88 ffffffffa0232e4b 0000a6b1f6b5573e ffff88202ab86ab0
 ffff880f75f85970 000000010aead23a ffff88202ab87068 ffff88202ab97fd8
Call Trace:
 [<ffffffffa0232e4b>] ? dbuf_write_physdone+0x4b/0x60 [zfs]
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_6    S 0000000000000003     0 11824      2 0x00000000
 ffff88202ab9be20 0000000000000046 ffff88202ab9bde8 ffff88202ab9bde4
 ffff880f75f84830 ffff88207fc28a00 0000a6b1f6b4e141 ffff8800282159c0
 0000000000000400 000000010aead23d ffff88202ab865f8 ffff88202ab9bfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_6    S 0000000000000008     0 11825      2 0x00000000
 ffff88202aba3e20 0000000000000046 ffff88202aba3de8 ffff88202aba3de4
 ffff881657ebd0a0 ffff88207fc29400 0000a6b1f7f5602f ffff8820f0d159c0
 0000000000000400 000000010aead255 ffff88202ab9dad8 ffff88202aba3fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_6    S 0000000000000014     0 11826      2 0x00000000
 ffff88202aba7e20 0000000000000046 ffff88202aba7de8 ffff88202aba7de4
 ffff880d5ec0e418 ffff88207fc2ac00 0000a6b1f82528b2 ffff8800282759c0
 0000000000000400 000000010aead204 ffff88202ab9d068 ffff88202aba7fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_6    S 0000000000000014     0 11827      2 0x00000000
 ffff88202ababe20 0000000000000046 ffff88202ababde8 ffff88202ababde4
 ffff88404e645160 ffff88207fc2ac00 0000a6b1fa4c7f0b ffff8800282159c0
 00000000000004fb 000000010aead279 ffff88202ab9c5f8 ffff88202ababfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_6    S 0000000000000000     0 11828      2 0x00000000
 ffff88202abb3e20 0000000000000046 ffff88202abb3de8 ffff88202abb3de4
 ffff8807d408f5f8 ffff88207fc28400 0000a6b1f73e5ea1 ffff8800282759c0
 0000000000000400 000000010aead244 ffff88202abadad8 ffff88202abb3fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_6    S 000000000000000d     0 11829      2 0x00000000
 ffff88202abb7e20 0000000000000046 ffff88202abb7de8 ffff88202abb7de4
 ffff880b34969538 ffff88207fc29e00 0000a6b1f710d48a ffff8820f0db59c0
 0000000000000400 000000010aead22f ffff88202abad068 ffff88202abb7fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_6    S 0000000000000014     0 11830      2 0x00000000
 ffff88202abbfe20 0000000000000046 0000000000000000 0000000000000000
 ffff88404e645a10 ffff88202abac040 0000a6b1f73dc728 ffff88202abac040
 ffff881b616fd100 000000010aead204 ffff88202abac5f8 ffff88202abbffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_6    S 0000000000000014     0 11831      2 0x00000000
 ffff88202abc3e20 0000000000000046 ffff88202abc3de8 ffff88202abc3de4
 ffff8811ab4ade68 ffff88207fc2ac00 0000a6b1f76b9c94 ffff8800282959c0
 00000000000005d5 000000010aead24a ffff88202abbbad8 ffff88202abc3fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_6    S 0000000000000014     0 11832      2 0x00000000
 ffff88202abc7e20 0000000000000046 ffff88202abc7de8 ffff88202abc7de4
 ffff8837336ba8f0 ffff88207fc2ac00 0000a6b1f687c16e ffff8800282159c0
 0000000000000400 000000010aead204 ffff88202abbb068 ffff88202abc7fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_6    S 0000000000000014     0 11833      2 0x00000000
 ffff88202abcfe20 0000000000000046 0000000000000000 0000000000000000
 ffff8807d408fa50 ffff88202abba040 0000a6b1f6e2f4dd ffff88202abba040
 ffff881b616fd100 000000010aead204 ffff88202abba5f8 ffff88202abcffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_7    S 0000000000000014     0 11834      2 0x00000000
 ffff88202abd3e20 0000000000000046 ffff88202abd3de8 ffff88202abd3de4
 ffff88067d5f95f8 ffff88207fc2ac00 0000a6b1fa1e303f ffff8800283359c0
 00000000000004fb 000000010aead277 ffff88202abcbad8 ffff88202abd3fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_7    S 0000000000000003     0 11835      2 0x00000000
 ffff88202abd7e20 0000000000000046 ffff88202abd7de8 ffff88202abd7de4
 ffff88202f7bfa50 ffff88207fc28a00 0000a6b1f9458b09 ffff8820f0c159c0
 0000000000001372 000000010aead268 ffff88202abcb068 ffff88202abd7fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_7    S 0000000000000014     0 11836      2 0x00000000
 ffff88202abdfe20 0000000000000046 ffff88202abdfde8 ffff88202abdfde4
 ffff880e161cd1a0 ffff88207fc2ac00 0000a6b1f7e55b19 ffff8800282959c0
 00000000000005d5 000000010aead252 ffff88202abca5f8 ffff88202abdffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_7    S 0000000000000003     0 11837      2 0x00000000
 ffff88202abe7e20 0000000000000046 ffff88202abe7de8 ffff88202abe7de4
 ffff880e00000000 ffff88207fc28a00 0000a6b1f8f8cf12 ffff8820f0c159c0
 0000000000001164 000000010aead264 ffff88202abe1ad8 ffff88202abe7fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_7    S 0000000000000014     0 11838      2 0x00000000
 ffff88202abebe20 0000000000000046 ffff88202abebde8 ffff88202abebde4
 ffff883f00000000 ffff88207fc2ac00 0000a6b1f8bfb2a3 ffff8820f0c159c0
 000000000000115d 000000010aead207 ffff88202abe1068 ffff88202abebfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_7    S 0000000000000014     0 11839      2 0x00000000
 ffff88202abefe20 0000000000000046 ffff88202abefde8 ffff88202abefde4
 ffff880e00000000 ffff88207fc2ac00 0000a6b1f8dde35d ffff8820f0c159c0
 0000000000001164 000000010aead207 ffff88202abe05f8 ffff88202abeffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_7    S 0000000000000014     0 11840      2 0x00000000
 ffff88202abf7e20 0000000000000046 ffff88202abf7de8 ffff88202abf7de4
 ffff880c68050d48 ffff88207fc2ac00 0000a6b1f8b0ad20 ffff8800282559c0
 0000000000000400 000000010aead25f ffff88202abf1ad8 ffff88202abf7fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_7    S 0000000000000003     0 11841      2 0x00000000
 ffff88202abfbe20 0000000000000046 ffff88202abfbde8 ffff88202abfbde4
 ffff8807b5be0498 ffff88207fc28a00 0000a6b1f8da75f3 ffff8800282559c0
 0000000000002c4b 000000010aead25f ffff88202abf1068 ffff88202abfbfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_7    S 0000000000000014     0 11842      2 0x00000000
 ffff88202abffe20 0000000000000046 ffff88202abffde8 ffff88202abffde4
 ffff883dd16db0a0 ffff88207fc2ac00 0000a6b1f86f7acf ffff8800282759c0
 0000000000000400 000000010aead25a ffff88202abf05f8 ffff88202abfffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_7    S 0000000000000012     0 11843      2 0x00000000
 ffff88202a407e20 0000000000000046 ffff88202a407de8 ffff88202a407de4
 ffff8839a98eed08 ffff88207fc2a800 0000a6b1f8da858f ffff8800282559c0
 0000000000000414 000000010aead25b ffff88202a401ad8 ffff88202a407fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_7    S 0000000000000012     0 11844      2 0x00000000
 ffff88202a40be20 0000000000000046 ffff88202a40bde8 ffff88202a40bde4
 ffff880c00000000 ffff88207fc2a800 0000a6b1f7fa57d3 ffff8820f0c359c0
 0000000000000d43 000000010aead217 ffff88202a401068 ffff88202a40bfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_7    S 0000000000000014     0 11845      2 0x00000000
 ffff88202a413e20 0000000000000046 ffff88202a413de8 ffff88202a413de4
 ffff881ca21d1de8 ffff88207fc2ac00 0000a6b1f882fb48 ffff8800282759c0
 0000000000000400 000000010aead25a ffff88202a4005f8 ffff88202a413fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_h    S 0000000000000019     0 11846      2 0x00000000
 ffff88202a417e20 0000000000000046 0000000000000019 ffff88202a40f558
 0000000000000000 ffff8820f0d35a28 0000000000000001 ffff8820f0d359c0
 ffff88202a417e00 ffffffff8100969d ffff88202a40fad8 ffff88202a417fd8
Call Trace:
 [<ffffffff8100969d>] ? __switch_to+0x7d/0x340
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_h    S 0000000000000019     0 11847      2 0x00000000
 ffff88202a41be20 0000000000000046 0000000000000019 ffff88202a40eae8
 0000000000000000 ffff8820f0d35a28 0000000000000001 ffff8820f0d359c0
 ffff88202a41be00 ffffffff8100969d ffff88202a40f068 ffff88202a41bfd8
Call Trace:
 [<ffffffff8100969d>] ? __switch_to+0x7d/0x340
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_h    S 0000000000000019     0 11848      2 0x00000000
 ffff88202a423e20 0000000000000046 0000000000000019 ffff88202a40e078
 0000000000000000 ffff8820f0d35a28 0000000000000001 ffff8820f0d359c0
 ffff88202a423e00 ffffffff8100969d ffff88202a40e5f8 ffff88202a423fd8
Call Trace:
 [<ffffffff8100969d>] ? __switch_to+0x7d/0x340
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_h    S 0000000000000019     0 11849      2 0x00000000
 ffff88202a427e20 0000000000000046 0000000000000019 ffff88202a41f558
 0000000000000000 ffff8820f0d35a28 0000000000000001 ffff8820f0d359c0
 ffff88202a427e00 ffffffff8100969d ffff88202a41fad8 ffff88202a427fd8
Call Trace:
 [<ffffffff8100969d>] ? __switch_to+0x7d/0x340
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_wr_int_h    S 0000000000000019     0 11850      2 0x00000000
 ffff88202a42be20 0000000000000046 ffff88202a42bd70 ffffffff810672c2
 ffff88202a42bd90 ffffffff810a1476 0000000000000001 ffff88402a329a38
 ffff88202a42bde0 ffffffff81059939 ffff88202a41f068 ffff88202a42bfd8
Call Trace:
 [<ffffffff810672c2>] ? default_wake_function+0x12/0x20
 [<ffffffff810a1476>] ? autoremove_wake_function+0x16/0x40
 [<ffffffff81059939>] ? __wake_up_common+0x59/0x90
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_0    S 0000000000000001     0 11851      2 0x00000000
 ffff88202a433e20 0000000000000046 0000000000000000 ffff88202a433de4
 ffff881feece2d48 ffff88207fc28e00 0000a6b1ea979a82 ffff8800283d59c0
 0000000000005f2b 000000010aead170 ffff88202a41e5f8 ffff88202a433fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_0    S 0000000000000002     0 11852      2 0x00000000
 ffff88202a43be20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac3de7d ffff88202a435520
 ffff8804ee775180 000000010aead175 ffff88202a435ad8 ffff88202a43bfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_0    S 0000000000000004     0 11853      2 0x00000000
 ffff88202a43fe20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac24a28 ffff88202a434ab0
 ffff882032fa8810 000000010aead163 ffff88202a435068 ffff88202a43ffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_0    S 0000000000000001     0 11854      2 0x00000000
 ffff88202a443e20 0000000000000046 ffff88202a443dd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a434040 ffff88202a434040
 ffff88122502d080 ffff8812e7f29e08 ffff88202a4345f8 ffff88202a443fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_0    S 0000000000000017     0 11855      2 0x00000000
 ffff88202a44be20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac2f706 ffff88202a445520
 ffff8813da12e850 000000010aead163 ffff88202a445ad8 ffff88202a44bfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_0    S 0000000000000001     0 11856      2 0x00000000
 ffff88202a44fe20 0000000000000046 ffff88202a44fdd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a444ab0 ffff88202a444ab0
 ffff881ca21b6ce8 ffff8812e7f29e08 ffff88202a445068 ffff88202a44ffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_0    S 000000000000000a     0 11857      2 0x00000000
 ffff88202a453e20 0000000000000046 ffff88202a453de8 ffff88202a453de4
 ffff8812e7f29e28 ffff88207fc29800 0000a6b1eac3b514 ffff8800283159c0
 000000000001fcf0 000000010aead14c ffff88202a4445f8 ffff88202a453fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_0    S 0000000000000012     0 11858      2 0x00000000
 ffff88202a45be20 0000000000000046 ffff88202a45bdd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a457520 ffff88202a457520
 ffff882032a4f518 ffff8812e7f29e08 ffff88202a457ad8 ffff88202a45bfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_0    S 0000000000000000     0 11859      2 0x00000000
 ffff88202a45fe20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac30d21 ffff88202a456ab0
 ffff880d6c88ece8 000000010aead174 ffff88202a457068 ffff88202a45ffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_0    S 0000000000000010     0 11860      2 0x00000000
 ffff88202a467e20 0000000000000046 ffff88202a467dd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a456040 ffff88202a456040
 ffff8804ee775180 ffff8812e7f29e08 ffff88202a4565f8 ffff88202a467fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_0    S 0000000000000017     0 11861      2 0x00000000
 ffff88202a46be20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac363cb ffff88202a463520
 ffff88202fccd518 000000010aead163 ffff88202a463ad8 ffff88202a46bfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_0    S 000000000000001a     0 11862      2 0x00000000
 ffff88202a46fe20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac4fb1b ffff88202a462ab0
 ffff88192595d9b0 000000010aead148 ffff88202a463068 ffff88202a46ffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_1    S 0000000000000000     0 11863      2 0x00000000
 ffff88202a477e20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac4c116 ffff88202a462040
 ffff8819f1a11140 000000010aead174 ffff88202a4625f8 ffff88202a477fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_1    S 0000000000000010     0 11864      2 0x00000000
 ffff88202a47be20 0000000000000046 ffff88202a47bdd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a473520 ffff88202a473520
 ffff880954b1c8d0 ffff8812e7f29e08 ffff88202a473ad8 ffff88202a47bfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_1    S 0000000000000000     0 11865      2 0x00000000
 ffff88202a483e20 0000000000000046 ffff88202a483de8 ffff88202a483de4
 ffff8812e7f29e28 ffff88207fc28400 0000a6b1eac1998d ffff8800283159c0
 000000000000af5c 000000010aead174 ffff88202a473068 ffff88202a483fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_1    S 0000000000000010     0 11866      2 0x00000000
 ffff88202a487e20 0000000000000046 ffff88202a487dd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a472040 ffff88202a472040
 ffff882032a4e810 ffff8812e7f29e08 ffff88202a4725f8 ffff88202a487fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_1    S 0000000000000010     0 11867      2 0x00000000
 ffff88202a48fe20 0000000000000046 ffff88202a48fdd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a489520 ffff88202a489520
 ffff881e7bb26c68 ffff8812e7f29e08 ffff88202a489ad8 ffff88202a48ffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_1    S 0000000000000000     0 11868      2 0x00000000
 ffff88202a493e20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac36327 ffff88202a488ab0
 ffff880c698cec28 000000010aead174 ffff88202a489068 ffff88202a493fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_1    S 0000000000000005     0 11869      2 0x00000000
 ffff88202a497e20 0000000000000046 ffff88202a497dd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a488040 ffff88202a488040
 ffff8812e7f29100 ffff8812e7f29e08 ffff88202a4885f8 ffff88202a497fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_1    S 0000000000000001     0 11870      2 0x00000000
 ffff88202a49fe20 0000000000000046 ffff88202a49fdd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a499520 ffff88202a499520
 ffff88202f8ca7d0 ffff8812e7f29e08 ffff88202a499ad8 ffff88202a49ffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_1    S 0000000000000004     0 11871      2 0x00000000
 ffff88202a4a3e20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac37371 ffff88202a498ab0
 ffff88202f8c8478 000000010aead163 ffff88202a499068 ffff88202a4a3fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_1    S 0000000000000011     0 11872      2 0x00000000
 ffff88202a4abe20 0000000000000046 ffff88202a4abdd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a498040 ffff88202a498040
 ffff88202f7be478 ffff8812e7f29e08 ffff88202a4985f8 ffff88202a4abfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_1    S 0000000000000000     0 11873      2 0x00000000
 ffff88202a4afe20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac17536 ffff88202a4a7520
 ffff882046f13930 000000010aead174 ffff88202a4a7ad8 ffff88202a4affd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_1    S 0000000000000005     0 11874      2 0x00000000
 ffff88202a4b3e20 0000000000000046 ffff88202a4b3dd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a4a6ab0 ffff88202a4a6ab0
 ffff88202f8b27d0 ffff8812e7f29e08 ffff88202a4a7068 ffff88202a4b3fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_2    S 0000000000000002     0 11875      2 0x00000000
 ffff88202a4bbe20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac09a34 ffff88202a4a6040
 ffff8813da12eca8 000000010aead175 ffff88202a4a65f8 ffff88202a4bbfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_2    S 000000000000000a     0 11876      2 0x00000000
 ffff88202a4bfe20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac000f0 ffff88202a4b7520
 ffff881fefbbb9b0 000000010aead14c ffff88202a4b7ad8 ffff88202a4bffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_2    S 0000000000000000     0 11877      2 0x00000000
 ffff88202a4c3e20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac44f8a ffff88202a4b6ab0
 ffff880c68050d28 000000010aead174 ffff88202a4b7068 ffff88202a4c3fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_2    S 0000000000000004     0 11878      2 0x00000000
 ffff88202a4cbe20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eabff5c7 ffff88202a4b6040
 ffff88122502d930 000000010aead163 ffff88202a4b65f8 ffff88202a4cbfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_2    S 0000000000000010     0 11879      2 0x00000000
 ffff88202a4d3e20 0000000000000046 ffff88202a4d3dd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a4cd520 ffff88202a4cd520
 ffff88122502d930 ffff8812e7f29e08 ffff88202a4cdad8 ffff88202a4d3fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_2    S 0000000000000002     0 11880      2 0x00000000
 ffff88202a4d7e20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac38d43 ffff88202a4ccab0
 ffff8819249c4ce8 000000010aead175 ffff88202a4cd068 ffff88202a4d7fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_2    S 000000000000000a     0 11881      2 0x00000000
 ffff88202a4dbe20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac151de ffff88202a4cc040
 ffff88192cadfdc8 000000010aead14c ffff88202a4cc5f8 ffff88202a4dbfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_2    S 0000000000000005     0 11882      2 0x00000000
 ffff88202a4e3e20 0000000000000046 ffff88202a4e3dd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a4dd520 ffff88202a4dd520
 ffff880c68050478 ffff8812e7f29e08 ffff88202a4ddad8 ffff88202a4e3fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_2    S 0000000000000000     0 11883      2 0x00000000
 ffff88202a4e7e20 0000000000000046 ffff88202a4e7de8 ffff88202a4e7de4
 ffff8812e7f29e28 ffff88207fc28400 0000a6b1eabf42b2 ffff8800283159c0
 000000000000af5c 000000010aead174 ffff88202a4dd068 ffff88202a4e7fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_2    S 0000000000000005     0 11884      2 0x00000000
 ffff88202a4ebe20 0000000000000046 ffff88202a4ebdd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a4dc040 ffff88202a4dc040
 ffff882032fa90c0 ffff8812e7f29e08 ffff88202a4dc5f8 ffff88202a4ebfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_2    S 0000000000000002     0 11885      2 0x00000000
 ffff88202a4f3e20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac35f09 ffff88202a4ed520
 ffff880d6c88fe48 000000010aead175 ffff88202a4edad8 ffff88202a4f3fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_2    S 0000000000000000     0 11886      2 0x00000000
 ffff88202a4f7e20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eabede23 ffff88202a4ecab0
 ffff881657ebc7d0 000000010aead174 ffff88202a4ed068 ffff88202a4f7fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_3    S 000000000000000a     0 11887      2 0x00000000
 ffff88202a4ffe20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac1e474 ffff88202a4ec040
 ffff880967ee0478 000000010aead14c ffff88202a4ec5f8 ffff88202a4fffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_3    S 0000000000000015     0 11888      2 0x00000000
 ffff88202a503e20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac35345 ffff88202a4fb520
 ffff882030b548d0 000000010aead173 ffff88202a4fbad8 ffff88202a503fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_3    S 000000000000000e     0 11889      2 0x00000000
 ffff88202a507e20 0000000000000046 0000000000000000 ffff88202a507de4
 ffff8812e7f29e28 ffff88207fc2a000 0000a6b1eac10934 ffff8820f0c359c0
 0000000000000400 000000010aead162 ffff88202a4fb068 ffff88202a507fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_3    S 000000000000000a     0 11890      2 0x00000000
 ffff88202a50fe20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac4131c ffff88202a4fa040
 ffff881feb09b100 000000010aead14c ffff88202a4fa5f8 ffff88202a50ffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_3    S 0000000000000010     0 11891      2 0x00000000
 ffff88202a513e20 0000000000000046 ffff88202a513dd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a50b520 ffff88202a50b520
 ffff880cae00f100 ffff8812e7f29e08 ffff88202a50bad8 ffff88202a513fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_3    S 0000000000000000     0 11892      2 0x00000000
 ffff88202a517e20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac0b0cb ffff88202a50aab0
 ffff8808d5a34ca8 000000010aead174 ffff88202a50b068 ffff88202a517fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_3    S 0000000000000018     0 11893      2 0x00000000
 ffff88202a51fe20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac11f78 ffff88202a50a040
 ffff8804ee7748d0 000000010aead163 ffff88202a50a5f8 ffff88202a51ffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_3    S 0000000000000000     0 11894      2 0x00000000
 ffff88202a527e20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac29600 ffff88202a521520
 ffff880954b1c8d0 000000010aead174 ffff88202a521ad8 ffff88202a527fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_3    S 0000000000000002     0 11895      2 0x00000000
 ffff88202a52be20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac12d8d ffff88202a520ab0
 ffff88192ff4a438 000000010aead175 ffff88202a521068 ffff88202a52bfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_3    S 0000000000000015     0 11896      2 0x00000000
 ffff88202a52fe20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac09f47 ffff88202a520040
 ffff8820334575d8 000000010aead173 ffff88202a5205f8 ffff88202a52ffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_3    S 000000000000001b     0 11897      2 0x00000000
 ffff88202a537e20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac404a5 ffff88202a531520
 ffff88192592f970 000000010aead163 ffff88202a531ad8 ffff88202a537fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_3    S 0000000000000001     0 11898      2 0x00000000
 ffff88202a53be20 0000000000000046 ffff88202a53bdd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a530ab0 ffff88202a530ab0
 ffff88072318ad28 ffff8812e7f29e08 ffff88202a531068 ffff88202a53bfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_4    S 000000000000000d     0 11899      2 0x00000000
 ffff88202a53fe20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac00ed0 ffff88202a530040
 ffff88202fccd970 000000010aead162 ffff88202a5305f8 ffff88202a53ffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_4    S 0000000000000004     0 11900      2 0x00000000
 ffff88202a547e20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac44a0e ffff88202a543520
 ffff88067d5f9a30 000000010aead163 ffff88202a543ad8 ffff88202a547fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_4    S 0000000000000000     0 11901      2 0x00000000
 ffff88202a54be20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac49226 ffff88202a542ab0
 ffff882030d63598 000000010aead174 ffff88202a543068 ffff88202a54bfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_4    S 0000000000000005     0 11902      2 0x00000000
 ffff88202a553e20 0000000000000046 ffff88202a553dd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a542040 ffff88202a542040
 ffff881c8598da30 ffff8812e7f29e08 ffff88202a5425f8 ffff88202a553fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_4    S 0000000000000000     0 11903      2 0x00000000
 ffff88202a557e20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac2df4b ffff88202a54f520
 ffff88202f8cb080 000000010aead174 ffff88202a54fad8 ffff88202a557fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_4    S 0000000000000000     0 11904      2 0x00000000
 ffff88202a55be20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac10fee ffff88202a54eab0
 ffff881be117de88 000000010aead174 ffff88202a54f068 ffff88202a55bfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_4    S 0000000000000000     0 11905      2 0x00000000
 ffff88202a563e20 0000000000000046 ffff88202a563de8 ffff88202a563de4
 ffff8812e7f29e28 ffff88207fc28400 0000a6b1eac3bc43 ffff8800283159c0
 000000000000af5c 000000010aead174 ffff88202a54e5f8 ffff88202a563fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_4    S 0000000000000011     0 11906      2 0x00000000
 ffff88202a567e20 0000000000000046 ffff88202a567dd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a55f520 ffff88202a55f520
 ffff881be117d180 ffff8812e7f29e08 ffff88202a55fad8 ffff88202a567fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_4    S 0000000000000002     0 11907      2 0x00000000
 ffff88202a56fe20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac17e7a ffff88202a55eab0
 ffff8806a990fe88 000000010aead175 ffff88202a55f068 ffff88202a56ffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_4    S 0000000000000015     0 11908      2 0x00000000
 ffff88202a573e20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac1c151 ffff88202a55e040
 ffff8815bcf283f8 000000010aead173 ffff88202a55e5f8 ffff88202a573fd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_4    S 0000000000000012     0 11909      2 0x00000000
 ffff88202a57be20 0000000000000046 ffff88202a57bdd0 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 ffff88202a575520 ffff88202a575520
 ffff88193087b930 ffff8812e7f29e08 ffff88202a575ad8 ffff88202a57bfd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]
 [<ffffffff810672b0>] ? default_wake_function+0x0/0x20
 [<ffffffffa01e2cd0>] ? taskq_thread+0x0/0x520 [spl]
 [<ffffffff810a0fce>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f30>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
z_fr_iss_4    S 0000000000000018     0 11910      2 0x00000000
 ffff88202a57fe20 0000000000000046 0000000000000000 0000000000000003
 ffff8812e7f29e28 ffff8812e7f29e28 0000a6b1eac49227 ffff88202a574ab0
 ffff882033463dc8 000000010aead163 ffff88202a575068 ffff88202a57ffd8
Call Trace:
 [<ffffffffa01e31b4>] taskq_thread+0x4e4/0x520 [spl]


 Partial Top output
================
top - 00:22:56 up 2 days,  4:37,  3 users,  load average: 10.00, 11.11,
11.79
Tasks: 2870 total,  15 running, 2855 sleeping,   0 stopped,   0 zombie
Cpu(s):  0.0%us, 24.0%sy,  0.0%ni, 67.0%id,  8.9%wa,  0.0%hi,  0.1%si,
 0.0%st
Mem:  264515208k total, 124259384k used, 140255824k free,   190944k buffers
Swap: 131071996k total,        0k used, 131071996k free,  2342628k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND

 2974 root      20   0     0    0    0 R 99.5  0.0 187:24.40 arc_reclaim

   35 root      RT   0     0    0    0 S 23.8  0.0  26:33.11 migration/8

   39 root      RT   0     0    0    0 S 14.0  0.0  17:28.73 migration/9

 2951 root      20   0     0    0    0 S 14.0  0.0  15:21.30 arc_prune

 2945 root      20   0     0    0    0 S 13.7  0.0  15:20.17 arc_prune

 2969 root      20   0     0    0    0 R 12.7  0.0  15:23.67 arc_prune

 2948 root      20   0     0    0    0 S 12.4  0.0  15:27.14 arc_prune

 2943 root      20   0     0    0    0 S 12.1  0.0  15:19.77 arc_prune

    3 root      RT   0     0    0    0 S 11.7  0.0  50:15.73 migration/0

 2960 root      20   0     0    0    0 R 11.7  0.0  15:20.77 arc_prune

18298 root      20   0     0    0    0 D 11.7  0.0  10:48.49 nfsd

 2953 root      20   0     0    0    0 R 11.1  0.0  15:21.37 arc_prune

 2967 root      20   0     0    0    0 S 11.1  0.0  15:22.79 arc_prune

18322 root      20   0     0    0    0 D 11.1  0.0  11:54.09 nfsd

   43 root      RT   0     0    0    0 S 10.8  0.0  12:18.46 migration/10

 2952 root      20   0     0    0    0 S 10.8  0.0  15:24.08 arc_prune

 2961 root      20   0     0    0    0 S 10.8  0.0  15:25.05 arc_prune

 2966 root      20   0     0    0    0 R 10.8  0.0  15:23.28 arc_prune

 2968 root      20   0     0    0    0 S 10.8  0.0  15:25.44 arc_prune

18325 root      20   0     0    0    0 R 10.8  0.0  11:33.88 nfsd

 2944 root      20   0     0    0    0 S 10.4  0.0  15:22.08 arc_prune

 2950 root      20   0     0    0    0 R 10.4  0.0  15:25.86 arc_prune

 2965 root      20   0     0    0    0 S 10.4  0.0  15:26.26 arc_prune

 2942 root      20   0     0    0    0 S 10.1  0.0  15:28.81 arc_prune

 2947 root      20   0     0    0    0 S 10.1  0.0  15:17.62 arc_prune

 2963 root      20   0     0    0    0 S 10.1  0.0  15:20.84 arc_prune

 2946 root      20   0     0    0    0 S  9.8  0.0  15:17.77 arc_prune

 2962 root      20   0     0    0    0 S  9.8  0.0  15:19.68 arc_prune

14489 root      20   0     0    0    0 R  9.5  0.0   4:32.86 kondemand/15

    7 root      RT   0     0    0    0 S  9.1  0.0  45:56.08 migration/1

 2964 root      20   0     0    0    0 S  9.1  0.0  15:24.79 arc_prune

 2971 root      20   0     0    0    0 S  9.1  0.0  15:20.18 arc_prune

 2973 root      20   0     0    0    0 S  8.8  0.0  15:20.56 arc_prune
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