On Tue, 03 Mar 2015 23:33:23 +0100 Jean-S'ebastien P'edron <dumbbell_at_FreeBSD.org> wrote: > Hi! > > Here is a new patch to based on HEAD r279508: > https://people.freebsd.org/~dumbbell/graphics/drm-update-38.i.patch > > You can apply it to a Subversion checkout using the following command: > svn patch drm-update-38.i.patch > > There are few changes: > o The panic reported by J.R. Oldroyd is fixed, but not the CP > init problem. > o A lock assert was added, suggested by Konstantin Belousov > > I had several panics ("Stray timeout") with a taskqueue used by TTM, > but it didn't occur in the past 6 days. Maybe it was a problem > outside of DRM. > > I would like people to test again and report :) If something fails, > please post a full dmesg, taken after loading the relevant *kms > module, or the core.txt.$N file if it's a panic. > > Hans Petter and Ed, I couldn't reproduce neither of your problems > (HDMI hotplug events storm and VT-switch misbehaviour). However, they > both involve callouts, like the "Stray timeout" panic I had with TTM. > I suspect there was a transient problem with callouts in HEAD at the > same time. Could you please test again with this patch and a very > recent HEAD? > > Thank you to everyone! > > -- > Jean-S'ebastien P'edron > Just as a data point, 'stray timeout' happens in clean -current without new patch as well. So whatever that is, it is not caused by the patch. -- Alexander Kabaev
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