Date: Fri, 27 Jun 2008 11:55:45 +0200 From: "Ronald Klop" <ronald-freebsd8@klop.yi.org> To: "Gavin Atkinson" <gavin.atkinson@ury.york.ac.uk>, "Ronald Klop" <ronald-freebsd8@www.klop.ws> Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: panic in drm Message-ID: <op.udei67s68527sy@guido.klop.ws> In-Reply-To: <1214496067.23553.42.camel@buffy.york.ac.uk> References: <20080616102144.4E3312844C@ronald.office.base.nl> <op.udcz9vp28527sy@guido.klop.ws> <1214496067.23553.42.camel@buffy.york.ac.uk>
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On Thu, 26 Jun 2008 18:01:07 +0200, Gavin Atkinson <gavin.atkinson@ury.york.ac.uk> wrote: > On Thu, 2008-06-26 at 16:09 +0200, Ronald Klop wrote: >> Hello, >> >> At my work I see a panic if I do this. >> Leaf my computer on screensaver (don't no if that is necessary) and come >> back the next morning. My monitor is than black, but the light is green, >> so DPMS didn't kick in. >> Keys or mouse don't wake up the system. CTRL-ALT-F1 switches to the >> console and immediately triggers this panic. >> >> I'm running latest x.org with xf86-video-i810-1.7.4_1. The newer >> xf86-video-intel also crashes my system sometimes when I'm working on >> it, >> so a downgraded. >> >> Any ideas, suggestions or fixes available? > > This sounds very familiar to me. I think I was seeing the same panic in > 2006... > http://unix.derkeiler.com/Mailing-Lists/FreeBSD/stable/2006-12/msg00344.html > > Can you add this to src/sys/dev/drm/i915_irq.c > > if (!dev->irqr) { > return DRM_ERR(EINVAL); > } > > just above the DRM_WAIT_ON in i915_driver_vblank_wait() (around line > 140), and see if that prevents the panic? Note that I believe this to > be a workaround, and not really the correct fix. > > (sorry for not supplying patches, I'm not in a position to right now) > > Gavin Thanks, I'll try this next week. Ronald.
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