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Re: xfs on armv5 still with erroneous log in kernel 2.6.35.4

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: xfs on armv5 still with erroneous log in kernel 2.6.35.4
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Sun, 05 Sep 2010 22:24:14 -0500
Cc: Marcus Osdoba <marcus.osdoba@xxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <20100906005230.GX7362@dastard>
References: <4C835A34.9080008@xxxxxxxxxxxxxx> <20100906005230.GX7362@dastard>
User-agent: Thunderbird 2.0.0.24 (Macintosh/20100228)
Dave Chinner wrote:
> On Sun, Sep 05, 2010 at 10:52:04AM +0200, Marcus Osdoba wrote:
>>  Hello XFS mailinglist,
>>
>> On my armv5 device I like to use XFS for my simple home made nas,
>> because I think it is ideal for low/medium performance CPUs.
>> I searched the mailing archive about the usage of XFS on arm
>> architecture. I figured out, that the patchset of James Bottomley
>> was applied to the main line. So I expected xfs to run properly on
>> arm. Unfortunatly I still run into this (known) error after writing
>> some data on an xfs partition and remounting it:
>> <mailto:xfs@xxxxxxxxxxx>"
>> SGI XFS with ACLs, security attributes, large block/inode numbers,
>> no debug enabled
>> SGI XFS Quota Management subsystem
>> XFS mounting filesystem sda1
>> Starting XFS recovery on filesystem: sda1 (logdev: internal)
>> XFS: xlog_recover_process_data: bad clientid
>> XFS: log mount/recovery failed: error 5
>> XFS: log mount failed
>> "
>>
>> Am I still forced to use the "hammer" approach (flushing buffers in
>> xfs_buf.c) which was proposed in January 2010? Or did I misinterpret
>> the logfile of the xfs component in the kernel (so no arm fixing
>> patches were applied)?
> 
> What kernel version are you running? The xfs-vipt branch was merged into
> mainline in late February, so kernels from 2.6.34 onwards should be
> OK.
> 
> If it isn't ok, then we need to know exactly what ARM CPU arch you
> are using, and if the old brute-force cache flushing hack fix the
> problem or not.
> 
>> Is xfs NOW be known to work on arm (e.g. armv5)? If so I like to
>> complain. If not, I'm willing to test patches which might solve this
>> issue.
> 
> I don't know of any outstanding XFS specific issues on ARM, but I
> don't have any ARM machines here that I can test on....

I do, and owe their donors some testing; if this is still failing
on a kernel with the vipt stuff in place I'll haul them out and
do some testing..

-Eric

> Cheers,
> 
> Dave.

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