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SubjectRe: Unable to kill processes in D-state
On Sun, Oct 06, 2002 at 01:56:14AM +0200, Thomas Langås wrote:
> Jan Hudec:
> > On the other hand it's a bug if a process stays in D-state for time of
> > order of seconds or more. Unfortunately it's impossible to avoid this
> > in networking filesystems with current state of VFS (in 2.4). Even there
> > though, it's a bug if it's indefinite.
>
> Well, it's NFS-related (we use autofs to mount our nfs-shares), and the
> processes are staying forever when they have gotten to the D-state.
>
> > These problems were already discussed on LKML, you might want to search
> > the archive. IIRC this is a known problem of OpenAFS (not in standart
> > kernel). It was reported with various drivers for some 2.4.x kernels
> > too.
>
> As you see, we've got this problem with NFS as the filesystem, and
> the processes won't die or return, they just hang there setting
> the load-number up in the roof.

They shouldn't be affecting the load average because they
aren't on the runqueue.

It sounds like you have a problem with your NFS server. Be
sure you set the automounter's mount options to include 'intr'
That will allow you to interrupt your processes if the server goes
offline.

--
________________________________________________________________
J.W. Schultz Pegasystems Technologies
email address: jw@pegasys.ws

Remember Cernan and Schmitt
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