Date: Fri, 02 Sep 2005 00:04:03 +0200 From: Koen Martens <fbsd@metro.cx> To: John Baldwin <jhb@FreeBSD.org> Cc: freebsd-hackers@FreeBSD.org Subject: Re: panic in propagate_priority w/ postgresql under heavy load Message-ID: <43177AD3.7070308@metro.cx> In-Reply-To: <200509011348.50159.jhb@FreeBSD.org> References: <4317340E.2050208@metro.cx> <200509011348.50159.jhb@FreeBSD.org>
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John Baldwin wrote: > On Thursday 01 September 2005 01:02 pm, Koen Martens wrote: > >>I've had a little chat with neologism on ircnet/#freebsd about this >>already, and done as he suggested: compile a debug kernel to obtain >>a stack trace. > > Can you reproduce it with a kernel that has INVARIANTS and INVARIANT_SUPPORT > on? I see that you had WITNESS on, can you check to see if there were any > witness messages about sleepign with non-sleepable locks held before the > crash? I will do this when I get back. I did a grep -i on witness in the console log but this did not turn up anything suspicious (exact output pasted below). Also, i checked again the logs right before the crashes, nothing special output to console before the Kernel trap 12.. voltaire# grep -i witness yin.log WARNING: WITNESS option enabled, expect reduced performance. witness_get: witness exhausted WARNING: WITNESS option enabled, expect reduced performance. witness_get: witness exhausted Gr, Koen -- K.F.J. Martens, Sonologic, http://www.sonologic.nl/ Networking, hosting, embedded systems, unix, artificial intelligence. Public PGP key: http://www.metro.cx/pubkey-gmc.asc Wondering about the funny attachment your mail program can't read? Visit http://www.openpgp.org/
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