[zfs-discuss] Kernel soft lockup

Gordan Bobic gordan.bobic at gmail.com
Wed Sep 11 04:48:51 EDT 2013


I haven't found anything that reliably makes the problem go away.


On Wed, Sep 11, 2013 at 9:39 AM, Ivan Krutskikh <stein.hak at gmail.com> wrote:

> any suggestions how to deal with it? I've increased arc at 50% and it
> seams to help- no lockups since the changes.
>
>
> 2013/9/11 Gordan Bobic <gordan.bobic at gmail.com>
>
>> Yes, I've seen it happen on more recent kernels (3.x) under high load.
>>
>>
>> On Wed, Sep 11, 2013 at 8:31 AM, Ivan Krutskikh <stein.hak at gmail.com>wrote:
>>
>>> Hi
>>>
>>> Has anyone seen stuff like
>>>
>>> kernel:[ 1340.084001] BUG: soft lockup - CPU#1 stuck for 23s!
>>> [z_wr_iss_h/1:591]
>>>
>>> with current zfs versions? This usually happens after a high i/o and cpu
>>> load. Another detail is that my system is a zfs-root installation of
>>> opensuse 12.3 linux, kernel 3.7.10
>>>
>>> Thanks in advance
>>>
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>>
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>
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