Hi all, ok I've nailed the issue down to 3.0.0-rc7 and 3.0.0-rc7-git1. I suspect that the changes made in drivers/gpu/drm/i915/i915_dma.c are the cause of the problem.
http://www.kernel.org/diff/diffview.cgi?file=%2Fpub%2Flinux%2Fkernel%2Fv3.0%2Fsnapshots%2Fpatch-3.0-rc7-git1.bz2;z=14 Any Clues? Regards Nic -----Ursprüngliche Nachricht----- Von: "Nicolas Kalkhof" <nkalk...@web.de> Gesendet: Jul 19, 2011 9:08:26 PM An: "Ian Romanick" <i...@freedesktop.org> Betreff: Re: [Intel-gfx] gen6 (SNB) depthbuffer issue with OpenGL games >Hi Ian, > >thx for your reply. ok I give it a try and will report my findings.... > >regards >nic > >-----Ursprüngliche Nachricht----- >Von: "Ian Romanick" <i...@freedesktop.org> >Gesendet: Jul 19, 2011 8:45:53 PM >An: "Nicolas Kalkhof" <nkalk...@web.de> >Betreff: Re: [Intel-gfx] gen6 (SNB) depthbuffer issue with OpenGL games > >>-----BEGIN PGP SIGNED MESSAGE----- >>Hash: SHA1 >> >>On 07/19/2011 07:58 AM, Nicolas Kalkhof wrote: >>> Hi there, >>> >>> I've experienced a strange depth buffer issue recently with OpenGL games >>> (see attached screenshots). It seems that the depth buffer fails on some >>> pixels. This problem was introduced somewhere between >>> Kernel-3.0.0-rc6-git6 and kernel-3.0.0-rc7. Both xf-86-video-intel and >>> mesa are latest git. >>> Could someone please look into it? >> >>That's very odd. Any chance you could bisect to find the bad commit? >>You should be able to just bisect the drivers/gpu/drm directory. I'm a >>bit suspicious that this is a kernel issue. There were only 5 commits >>in drivers/gpu/drm from rc6 to rc7, and none of them should affect any >>Intel GPUs at all. >>-----BEGIN PGP SIGNATURE----- >>Version: GnuPG v1.4.11 (GNU/Linux) >>Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ >> >>iEYEARECAAYFAk4l0OEACgkQX1gOwKyEAw/BWQCfeySgLPcT1bdNxPcTJr/S2aw0 >>vvkAnjS5OJF18pRwrRKaMyG2zoXFqwqB >>=AiSG >>-----END PGP SIGNATURE----- > > >___________________________________________________________ >Schon gehört? WEB.DE hat einen genialen Phishing-Filter in die >Toolbar eingebaut! http://produkte.web.de/go/toolbar >_______________________________________________ >Intel-gfx mailing list >Intel-gfx@lists.freedesktop.org >http://lists.freedesktop.org/mailman/listinfo/intel-gfx ___________________________________________________________ Schon gehört? WEB.DE hat einen genialen Phishing-Filter in die Toolbar eingebaut! http://produkte.web.de/go/toolbar _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
