2.6.27-based kernel failing xfstests xfs/182 -- resolved, I think

[Chris Friesen]

On 05/13/2013 05:27 PM, Chris Friesen wrote:
>
> Hi,
>
> I'm working on an embedded system running a 2.6.27-based kernel.
>
> I'm digging into some intermittent xfs corruption issues. Yes, I realize
> the right answer is probably to upgrade, but for the usual embedded
> reasons that's tricky.
>
> I'm seeing test xfs/182 fail with 40 or so files showing messages like:
>
> file /opt/xfstest2/960 has incorrect size - sync failed
>
> In our case the xfs filesystems used for testing are on top of lvm,
> which is in turn on top of two SAS drives in RAID1.
>
> Any suggestions on where I should start looking? I'm looking at the
> "do_sync() and XFSQA test 182 failures...." thread on the mailing list
> from 2008, can someone point me to the commit that eventually resulted
> from that?

I think I may have figured it out.

I assume this was part of the impetus for the patch series from Jan Kara 
starting with "[PATCH 0/8] Sync fixes and cleanups (version 4)" that 
went into 2.6.31.

Thanks,
Chris