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Date:      Wed, 3 Oct 2012 09:24:11 -0400 (EDT)
From:      Rick Macklem <rmacklem@uoguelph.ca>
To:        Norbert Aschendorff <norbert.aschendorff@yahoo.de>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: panic "Sleeping thread owns a non-sleepable lock" via cv_timedwait_signal, was "rsync over NFS"
Message-ID:  <37099006.1631279.1349270651574.JavaMail.root@erie.cs.uoguelph.ca>
In-Reply-To: <506BFECE.3020006@yahoo.de>

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Norbert Aschendorff wrote:
> Another logs - even with a /var/crash crash report :)
> 
> Please note: The /var/crash files stem from another crash than the big
> syslog does!
> 
> The syslog file inside the tarball is about 4.7 MB; it contains
> everything since the start of the crash.
> 
> New /var/crash files:
> http://lbo.spheniscida.de/Files/nfs-rsync-crash-witnessII.tgz
> New syslog file:
> http://lbo.spheniscida.de/Files/nfs-rsync-crash-witnessIII-only-messages.tgz
> 
> (Both < 100 KB)
> 
> The used kernel is called GENERIC-OWN-WITNESS and has all three
> WITNESS
> options enabled and nothing else.
> 
I'll take a look at these later to-day.

> But I just get an idea: Should I try it without Rick's NFSv4
> numeric-uid-gid patch? Or is that completely unrelated?
> @Rick: Can you assure that it is impossible that the patch added this
> bug?
Doesn't seem likely, but I'd never guarantee that a patch isn't broken
and/or can never have weird side effects. So, it might be worth trying
backing the patch out and seeing if it still crashes.

Thanks for doing this testing, rick


> 
> --norbert
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