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Re: 2.6.30-rc4: xfs_fsr hangs

To: Alexander Beregalov <a.beregalov@xxxxxxxxx>
Subject: Re: 2.6.30-rc4: xfs_fsr hangs
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Sat, 02 May 2009 13:56:34 -0500
Cc: linux-kernel@xxxxxxxxxxxxxxx, Heinz Diehl <htd@xxxxxxxxxxxxxxxxx>, Kernel Testers List <kernel-testers@xxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <a4423d670905021135s4fdbea82t20cf75b61c59dc75@xxxxxxxxxxxxxx>
References: <a4423d670905011333s664115bdh1d72392897567c1d@xxxxxxxxxxxxxx> <20090502101405.GA6145@xxxxxxxxxxxxxxxxx> <a4423d670905021135s4fdbea82t20cf75b61c59dc75@xxxxxxxxxxxxxx>
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Alexander Beregalov wrote:
> 2009/5/2 Heinz Diehl <htd@xxxxxxxxxxxxxxxxx>:
>> On 01.05.2009, Alexander Beregalov wrote:
>>
>>> # xfs_db -r /dev/sdc1
>>> xfs_db> frag
>>> actual 23805, ideal 22890, fragmentation factor 3.84%
>>> # xfs_fsr -v /dev/sdc1
>>> /mnt/c start inode=0
>>> ino=158
>>> extents before:3 after:1 DONE ino=158
>>>
>>>  then it hangs
>> I can't confirm this here on my systems:
>>
>> liesel:~ # uname -a
>> Linux liesel 2.6.30-rc4 #1 SMP PREEMPT Sat May 2 11:49:13 CEST 2009 x86_64 
>> x86_64 x86_64 GNU/Linux
> 
> I have this problem on two x86_32 hosts.
> It runs for about a minute and then hangs.

echo w > /proc/sysrq-trigger
dmesg

would show all the sleeping processes...

-Eric

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