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Re: xfs_force_shutdown() called when running xfstests on 2.6.38-rc4

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: xfs_force_shutdown() called when running xfstests on 2.6.38-rc4
From: Chandra Seetharaman <sekharan@xxxxxxxxxx>
Date: Thu, 17 Feb 2011 18:09:40 -0800
Cc: Eric Sandeen <sandeen@xxxxxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <20110217225209.GI13052@dastard>
Organization: IBM
References: <1297798863.32230.222.camel@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20110215223022.GE13052@dastard> <1297886433.32230.224.camel@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20110216221433.GG13052@dastard> <1297899728.32230.225.camel@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <4D5C8F4D.1060804@xxxxxxxxxxx> <1297968550.32230.307.camel@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20110217225209.GI13052@dastard>
Reply-to: sekharan@xxxxxxxxxx
On Fri, 2011-02-18 at 09:52 +1100, Dave Chinner wrote:
> On Thu, Feb 17, 2011 at 10:49:10AM -0800, Chandra Seetharaman wrote:
> > Thanks for that info, Eric.
> > 
> > Now I increased the filesystem size and I see the following failure
> > --------------------------------
> > QA output created by 180
> > file /mnt/xfsScratchMntPt/456 has incorrect size - sync failed
> > file /mnt/xfsScratchMntPt/525 has incorrect size - sync failed
> > file /mnt/xfsScratchMntPt/624 has incorrect size - sync failed
> > ---------------------------------
> > 
> > I guess that is not good :)
> 
> No, not good. It passes here on x86_64 and a couple of different
> configurations storage back ends (1/2p on h/w raid1 writing
> @~90MB/s, 8p + s/w RAID0 @ ~700MB/s), so it doesn't seem like there
> is a generic problem.
> 
> what is the hardware you are testing on? 
PPC64

> Does it happen on every run?

No, it is not consistent. It happened as this

+file /mnt/xfsScratchMntPt/993 has incorrect size - sync failed

and ran 10+ times, didn't fail at all.

> What is the size of the files that had incorrect sizes? what is
> their extent layout?

I will run more times and when they fail get the details.

> 
> Cheers,
> 
> Dave.


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