Date: Wed, 03 Oct 2012 09:21:52 +0200 From: Norbert Aschendorff <norbert.aschendorff@yahoo.de> To: freebsd-stable@freebsd.org Subject: Re: panic "Sleeping thread owns a non-sleepable lock" via cv_timedwait_signal, was "rsync over NFS" Message-ID: <506BE790.8020303@yahoo.de> In-Reply-To: <201210021715.19310.jhb@freebsd.org> References: <1990296074.1528480.1349129938870.JavaMail.root@erie.cs.uoguelph.ca> <506B3037.60201@yahoo.de> <201210021715.19310.jhb@freebsd.org>
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On 10/02/2012 11:15 PM, John Baldwin wrote: > You could try adding a different WITNESS check (using WITNESS_WARN) to see > which NFS proc returns with a lock held so you can catch this when it first > occurs rather than much later after the fact. Do you have the start of the > log messages? Yep, I have the start of the log, it was archived and is 72 MB in total (some more crashes before ;). So I just have to compile a kernel including "option WITNESS_WARN" and (as mentioned in some mails before) "option WITNESS_SKIPSPIN" and then examine the whole log? Regards, Norbert
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