Re: Unable to kill processes in D-state

From: Thomas Langås (tlan@stud.ntnu.no)
Date: Sat Oct 05 2002 - 18:56:14 EST


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.

-- 
Thomas
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