Date: Wed, 12 Sep 2007 21:08:07 +0200 From: Kris Kennaway <kris@FreeBSD.org> To: Robert Watson <rwatson@FreeBSD.org> Cc: re@FreeBSD.org, FreeBSD-current@FreeBSD.org, Mario Sergio Fujikawa Ferreira <lioux-list@uol.com.br> Subject: Re: panic: Trying sleep, but thread marked as sleeping prohibited Message-ID: <46E83917.3070705@FreeBSD.org> In-Reply-To: <20070912124704.C79170@fledge.watson.org> References: <20070912084914.9985.qmail@exxodus.fedaykin.here> <46E7AB54.9060103@FreeBSD.org> <20070912124704.C79170@fledge.watson.org>
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Robert Watson wrote: > > On Wed, 12 Sep 2007, Kris Kennaway wrote: > >> Mario Sergio Fujikawa Ferreira wrote: >>> I had 3 panics today. All seem to be related to ipf code. I have >>> disabled ipf for the time being. >>> >>> I am attaching the kgdb backtraces. I am saving the cores. Let me >>> know if there is anything I can do to help. >>> >>> FreeBSD exxodus.home.home 7.0-CURRENT FreeBSD 7.0-CURRENT #2: Mon Sep >>> 10 15:01:49 BRT 2007 >>> root@exxodus.home.home:/usr/obj/usr/src/sys/LIOUX i386 >>> >>> -current as of Sep 10 2007. >> >> Yes, known issue. The lack of response by the ipf maintainer so far >> suggests it probably will not be fixed in 7.0. This should be >> documented in the relnotes. > > The quick, and probably correct, fix is to replace all use of sx(9) with > rw(9) in ipf. There might be places where a copying/copyout is being > performed with the lock held, in which case this will trigger new warnings. > > Robert N M Watson > Computer Laboratory > University of Cambridge > > Worth a shot I guess. Kris
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