On 1/13/14, 8:58 AM, Muralitharan Perumal wrote:
> Hi,
>
> I am currently working on an embedded platform involving XFS as the
> preferred fs. Earlier, ext3 was used but now replaced with XFS. The unit
> is working fine with ext3 but after replacing with XFS, I am seeing a
> few issues:
a 7 year old kernel on an embedded platform? Nobody here will be able
to spend much time on this I'm afraid.
> a) Occassionally I am getting the following error when we write files to
> the fs:
>
> attempt to access beyond end of device
> sda1: rw=0, want=10487141907480064, limit=9766912
> I/O error in filesystem ("sda1") meta-data dev sda1 block 0x254200001abdf8
> ("xfs_trans_read_buf") error 5 buf count 4096
> attempt to access beyond end of device
> sda1: rw=0, want=10487141907480064, limit=9766912
> I/O error in filesystem ("sda1") meta-data dev sda1 block 0x254200001abdf8
> ("xfs_trans_read_buf") error 5 buf count 4096
looks like on-disk corruption. xfs_repair is probably warranted.
> b) After running for about 20 to 25 minutes, the pdflush consumes about 90%
> cpu and stuck there in D state:
do a sysrq-w to get backtraces of all blocked tasks, and that might yield a
clue for you.
-Eric
> Is there any similar issue seen with kernel 2.6.22? Am I missing any XFS
> patches that could fix this?
>
> Any pointers would be helpful.
>
> Thanks,
> Murali
>
>
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