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SubjectRe: getting uninterruptible sleep processes after upgrade from 2.6.20.20 to 2.6.24.2
Ccing xfs team

On 02/21/2008 02:37 PM, Stefan Priebe - allied internet ag wrote:
> Hello!
>
> I'm using XFS. dmesg -s32000 does not help - no more output. In messages
> there is also no relevant output. Other than what I've posted here:
> http://lkml.org/lkml/2008/2/21/76

http://lkml.org/lkml/2008/2/21/86

Some kind of borkage in readdir, probably either in xfs or vfs?

> Sorry but i cannot recompile the kernel on all machines again - another
> downtime is not possible at the moment.
>
> Stefan
>
> Jiri Slaby schrieb:
>> Stefan Priebe - allied internet ag napsal(a):
>>> Hello!
>>>
>>> I've done the (echo t > /proc/sysrq-trigger) now but i'm not able to get
>>> the whole output via dmesg.
>>>
>>> Here is what i get:
>>> # dmesg
>>> 3.432124] [<c0165a11>] do_select+0x390/0x46e
>>> [272363.432226] [<c0166107>] __pollwait+0x0/0xcf
>>> [272363.432319] [<c0115d90>] default_wake_function+0x0/0x8
>>
>> dmesg ring buffer is too small to fit this in. Please repeat it once
>> again
>> with bigger ringbuffer (dmesg -s if you have this chosen in your
>> kernel) or
>> post /var/log/meassages output of all processes. I see only waiters in
>> readdir, not seeing who could block them.
>>
>> Which filesystem did you run du on?


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