Hi, * Alexander Neumann <alexander@bumpern.de> wrote: > After debugging some time, I found out that this problem just occurs after a > suspend/resume cycle (to ram, using pm-suspend triggered via acpid). One > more symptom: In the session before the lockup, the complete screen "slides" > to the left side for a very short time (perhaps ~100ms). If that happens, > the video output locks up while/after playing video (happens with mplayer > and flashplugin-nonfree). > > The color is not always black, this morning I was watching a flash video, > the system locks and the screen stayed light blue. I was able to switch to > the console (without any video output), log in as root and reboot the > machine. > > Any ideas on how to debug this further? Disabling KMS fixes this problem (might be related to [1]), just comment out the line in /etc/modprobe.d/i915-kms.conf #options i915 modeset=1 Regards, - Alex
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