Kernel crashes with trace ending in XFS code on RHEL6 variant kernel

[Eric Sandeen]

On 10/28/14 10:38 AM, Jan Kokoska wrote:
> Hi,
> 
> I'm running OpenVZ (OS container) kernel variant of RHEL6 kernel on

... for which we have no source code? ;)

I don't know what's in "2.6.32-openvz-amd64" so can't help much.

What is at line 86 of xfs_aops.c in that kernel?

-Eric

> several amd64 machines by different manufacturers (HP and Supermicro)
> and different RAID cards (HP and Areca).
> 
> I've started seeing kernel crashes in October, as per the netconsole
> logs attached, on two of the machines (one HP, one Supermicro). The
> traces look quite similar, the machine in question cannot write
> anything to its own filesystem when this happens so the logs are made
> over the network. The XFS filesystem is not root (that's ext4), but
> one for data (OS containers), on both machines. When I run xfs_check
> and xfs_repair on the filesystem after the kernel crash & reboot, no
> issue is ever found.
> 
> This may very well have nothing to do with XFS kernel code you wrote
> and maintain, but in that case, could you, from looking at the traces,
> tell me whether it maybe looks like something issue related to
> vm/paging just ending up in XFS related code path?
> 
> I'm happy to test any suggestions/fixes for this if it is XFS related.
> 
> Thank you,
> -- 
> Jan Kokoska
> Glow Internet s.r.o.
> 
> 
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