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

[Jiri Slaby <jirislaby@xxxxxxxxx>]

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?