Re: getting uninterruptible sleep processes after upgrade from 2.6.20.20 to 2.6.24.2

Re: getting uninterruptible sleep processes after upgrade from 2.6.20.20 to 2.6.24.2

[Jiri Slaby]

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?

Re: getting uninterruptible sleep processes after upgrade from 2.6.20.20 to 2.6.24.2

[David Chinner]

On Sun, Feb 24, 2008 at 11:06:49AM +0100, Jiri Slaby wrote:
> 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?

Fixed in 2.6.24.3.

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=450790a2c51e6d9d47ed30dbdcf486656b8e186f

Please upgrade.

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group