Date: Thu, 06 Oct 2005 12:34:00 +0100 From: Gavin Atkinson <gavin.atkinson@ury.york.ac.uk> To: John Baldwin <jhb@FreeBSD.org> Cc: freebsd-current@FreeBSD.org Subject: Re: 6.0-BETA2 DRM/witness panic: Assertion j < 1000 failed at /usr/src/sys/kern/subr_witness.c:1513 Message-ID: <1128598440.25106.13.camel@buffy.york.ac.uk> In-Reply-To: <200509291210.38799.jhb@FreeBSD.org> References: <1123588622.893.15.camel@buffy.york.ac.uk> <200508091050.21811.jhb@FreeBSD.org> <1123603336.897.3.camel@buffy.york.ac.uk> <200509291210.38799.jhb@FreeBSD.org>
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On Thu, 2005-09-29 at 12:10 -0400, John Baldwin wrote: > On Tuesday 09 August 2005 12:02 pm, Gavin Atkinson wrote: > > On Tue, 2005-08-09 at 10:50 -0400, John Baldwin wrote: > > > On Tuesday 09 August 2005 07:57 am, Gavin Atkinson wrote: > > > > Hi, > > > > > > > > I have a regular panic (3 times a day) on a system running 6.0-BETA2 > > > > which was very stable under 5.4. dmesg available at > > > > http://www.devrandom.co.uk/freebsd/dmesg-buffy-20050809 . The panic > > > > seems to relate to DRM, I have a ATI Radeon QY RV100 7000/VE card. > > > > > > Do a 'show witness', it looks like witness has a cycle somehow. Normally > > > these can only occur if there is a cycle in the static lock order. > > > > http://www.devrandom.co.uk/freebsd/sh-witness-buffy-20050809 > > > > Gavin > > Do you still get this panic on more recent 6.0? I've been running a 6.0 from Friday for a week now without seeing this panic, so I suspect it's fixed. However, I don't remember seeing any commits which look like they were responsible for fixing it, is it possible that it's just been masked by some other commit? I'm happy to step back and find the responsible commit, unless you're happy that it was fixed for certain. Gavin
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