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On Thu, 2007-10-18 at 15:18 +0200, Allard Hoeve wrote:
> Hello all,
>
> We've been experincing strange lockd crashes on one of our file servers
> lately. The kernel lockd gets stuck in a D state and is unkillable, while
> other NFS processes continue to work fine. Files are served, we're able to
> mount/umount etc, but trying to attain a lock results in a (killable with
> KILL) process on the client.
>
> We're running 2.6.17.3 currently. I know that's not a very new kernel, but
> we're stuck at that version for the moment, I'm afraid.
>
> I've attached a stacktrace that dmesg gave us. It would be great if you
> can take a look at it.
>
> Regards,
>
> Allard Hoeve
Already fixed in mainline. Please see
http://client.linux-nfs.org/Linux-2.6.x/2.6.23-rc7/linux-2.6.23-001-fix_lockd_circular_dependency.dif
Trond
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NFS maillist - [email protected]
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Hello Trond, all,
>> We've been experincing strange lockd crashes on one of our file servers
>> lately. The kernel lockd gets stuck in a D state and is unkillable, while
>> other NFS processes continue to work fine. Files are served, we're able to
>> mount/umount etc, but trying to attain a lock results in a (killable with
>> KILL) process on the client.
>
> http://client.linux-nfs.org/Linux-2.6.x/2.6.23-rc7/linux-2.6.23-001-fix_lockd_circular_dependency.dif
Thanks for the link.
Is it feasible to backport this to, say 2.6.20?
Otherwise, I'll have to find a way to upgrade to 2.6.23, which is a bit
too new to my tastes :)
Regards,
Allard Hoeve
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On Thu, 2007-10-18 at 17:09 +0200, Allard Hoeve wrote:
> Hello Trond, all,
>
> >> We've been experincing strange lockd crashes on one of our file servers
> >> lately. The kernel lockd gets stuck in a D state and is unkillable, while
> >> other NFS processes continue to work fine. Files are served, we're able to
> >> mount/umount etc, but trying to attain a lock results in a (killable with
> >> KILL) process on the client.
> >
> > http://client.linux-nfs.org/Linux-2.6.x/2.6.23-rc7/linux-2.6.23-001-fix_lockd_circular_dependency.dif
>
> Thanks for the link.
>
> Is it feasible to backport this to, say 2.6.20?
>
> Otherwise, I'll have to find a way to upgrade to 2.6.23, which is a bit
> too new to my tastes :)
>
> Regards,
>
> Allard Hoeve
It is already queued for the 2.6.22 stable series (in fact it may
already be in the last tarball).
It should be fairly trivial to backport both to 2.6.20 and 2.6.17...
Trond
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