On 08/04/2015 02:29 PM, Toralf Förster wrote: > On 08/02/2015 09:43 AM, Pavel Machek wrote: >> Any chance to bisect it? > Did it. > > FWIW: the mentioned commit was introduced between 3.18 and 3.19. > But my system (hardened 64 bit Gentoo) did not suffer from it till version 4.0.8. > The hardened kernel 4.1.x was the first where the bug was visible at my docked environment too. > > > > commit e7d6f7d708290da1b7c92f533444b042c79412e0 > Author: Dave Airlie <airlied@xxxxxxxxxx> > Date: Mon Dec 8 13:23:37 2014 +1000 > > drm/i915: resume MST after reading back hw state > > Otherwise the MST resume paths can hit DPMS paths > which hit state checker paths, which hit WARN_ON, > because the state checker is inconsistent with the > hw. > > This fixes a bunch of WARN_ON's on resume after > undocking. > > Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx> > Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> > Is there anything else what I can do ? Current kernels up to 4.2.3 and 4.3-rc3 (not hardened) shows this issue here at my system. -- Toralf, pgp key: 872AE508 0076E94E _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
