Re: prcesses stuck in D state (lock_p)

[Christian Guggenberger <Christian.Guggenberger@xxxxxxxxxxxxxxxxxxxxxxxx>]

On 16.02.2003   23:55 Nathan Scott wrote:
> On Sun, Feb 16, 2003 at 07:12:01PM +0100, Christian Guggenberger wrote:
> > Hi all,
> >
> > with recent cvs Kernels (namely with
> > SGI XFS snapshot 2.4.20-2003-01-14_00:43_UTC with ACLs, quota, no debug
> > enabled )
> > I see, after a week of heavy load, one or often more processes stuck in D
> > state.
> > All that processes are acessing nfs-mounts, such as : (Output of ps -efl)
> >
> > 000 D abc12345   921     1  0  69   0 -   404 lock_p Feb14 ? 00:00:00
> > md5sum -v -c sums
> >
> > I have also machines accessing the same nfs-share (running 2.4.19-xfs-cvs
> > of October) with no problems at all.
> > I don't want to blame xfs here directly, but I like to know if someone of
> > you guys is seeing a similiar behavour...
> >
>
> I have been seeing a similar issue in a couple of the QA tests.
> I've traced my issue back to a recent regression on the XFS IO
> path - I expect to have a fix for that checked in later today;
> hopefully this will be the fix for the problem you're hitting
> as well (I'm not using NFS at all here though).
well, actually I really don't know how to reproduce this bug I'm hitting. I'll 
try to hit it on another machine with the same kernel running. Maybe I'll find 
some more info this week!

thx
Christian