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SubjectRe: Reiserfs deadlock in 2.6.36
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On Tue, Mar 8, 2011 at 3:18 PM, Frederic Weisbecker <fweisbec@gmail.com> wrote:
> On Sun, Jan 30, 2011 at 01:08:29AM +0100, Bastien ROUCARIES wrote:
>> Le jeudi 23 décembre 2010 04:42:33, Frederic Weisbecker a écrit :
>> Hi,
>>
>> I take me more than two days of testing to reporduce this bugs with trace enabled. My filesystem was quite slow and this bugs seems
>> to be timing related.
>>
>> One patern that trigger this bug is git. Doing a lot of git work of my desktop crash my machine.
>>
>> Moreover, trying to reproduce this bug lead to data loss. I have rebuilded twice my / partition using --rebuild-tree, and restored
>> my home partition three times using backups.
>>
>> My log is here.
>>
>> Do you need more information?
>>
>> Bastien
>
> You have a first series of hung task report from 19440.852298 to 19440.880024
> then it's followed by the traces and then again with a hung task report at
> 19560.880084. But there is only one task stuck in that 2nd report. Did
> you report your whole dmesg there or have you cut it? If it's your
> whole dmesg then it means the other tasks from the first report have released
> from their hung state. So the queued writers have been released by someone
> who closed the journal.

I have reported the whole stuff. But because my log need to go to my
disk, we could have loss something

> This could confirm the theory that someone has opened the journal and
> spent way too much time before releasing it. Or something else.
> In any case tell me, there are other tests we can run.
>

Ok bastien
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