2014-02-16 19:55 GMT+01:00 Ilia Mirkin <imirkin at alum.mit.edu>: > On Sun, Feb 16, 2014 at 10:17 AM, Rafa? Mi?ecki <zajec5 at gmail.com> wrote: >> 2014-02-11 11:41 GMT+01:00 Ilia Mirkin <imirkin at alum.mit.edu>: >>> (b) bisect. you can (almost) definitely restrict the bisect to >>> drivers/gpu/drm/nouveau. if you have additional computational power, i >>> would recommend looking into distcc for speeding up the compiles. it >>> may be interesting to also try 3.6.x since 3.7 received a pretty big >>> rewrite. but a git bisect is a lot more direct in figuring these >>> things out :) >>> >>> After I watched your video, it definitely brought back memories of >>> another bug or perhaps email on this list a while back (definitely >>> within the past year), but unfortunately I can't quite place it :( >> >> I've finally bisected between 3.10 and 3.11: >> >> 78ae0ad403daf11cf63da86923d2b5dbeda3af8f is the first bad commit >> commit 78ae0ad403daf11cf63da86923d2b5dbeda3af8f >> Author: Ben Skeggs <bskeggs at redhat.com> >> Date: Wed Aug 21 11:30:36 2013 +1000 >> >> drm/nv04/disp: fix framebuffer pin refcounting >> >> I've booted that commit and one commit older few times. Every time I >> booted 78ae0ad I got corruption. Every time I booted 6ff8c76 (it's the >> earlier commit), it was OK. > > But I bet if you restart X, you get a backtrace, right?
That's right. 78ae0ad: Corruptions 6ff8c76: WARNING: at drivers/gpu/drm/nouveau/nouveau_bo.c:151 nouveau_bo_del_ttm+0x80/0x90 [nouveau]() (after quiting X by "init 3") -- Rafa?