[zfs-discuss] Bus error for long-running calculations on remote ZFS file system (?)

Stefan Ring stefanrin at gmail.com
Wed May 4 10:57:26 EDT 2016


On Wed, May 4, 2016 at 3:32 PM, Gordan Bobic via zfs-discuss
<zfs-discuss at list.zfsonlinux.org> wrote:
>
> Data gets read from ZFS into ARC. Data gets bit-flipped in ARC or
> in one of the buffers on the way (samba/NFS, network buffers). Client
> ingests duff data and crashes.

Actually random crashes rarely, if ever, cause SIGBUS to be thrown, at
least on x86/x86_64. A failure to swap in some pages mmapped from the
NFS server would be a better explanation, if somehow the server would
produce/communicate IO errors.


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