Created attachment 115879 [details] dmesg EA50_HW Acer Incorporated [ALI] Device [1025:0775] Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a06] (rev 0b) Kernel driver in use: i915 x86_64 3.16.0-37-generic screen freezes randomly during work for some aprox. 20 seconds. After that KDE desktop notification popup windows says: Desktop effects will be restarted.
Created attachment 115881 [details] kernel protocol | grep [drm
According to your dmesg, you got a hung GPU: [ 6073.223714] [drm] stuck on render ring [ 6073.225300] [drm] GPU HANG: ecode 0:0x87d3bffa, in kwin [2015], reason: Ring hung, action: reset [ 6073.225304] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [ 6073.225306] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [ 6073.225307] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [ 6073.225309] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [ 6073.225311] [drm] GPU crash dump saved to /sys/class/drm/card0/error Please attach the crash dump.
Created attachment 115884 [details] /sys/class/drm/card0/error
(In reply to Ander Conselvan de Oliveira from comment #2) > According to your dmesg, you got a hung GPU: > > [ 6073.223714] [drm] stuck on render ring > [ 6073.225300] [drm] GPU HANG: ecode 0:0x87d3bffa, in kwin [2015], reason: > Ring hung, action: reset > [ 6073.225304] [drm] GPU hangs can indicate a bug anywhere in the entire gfx > stack, including userspace. > [ 6073.225306] [drm] Please file a _new_ bug report on bugs.freedesktop.org > against DRI -> DRM/Intel > [ 6073.225307] [drm] drm/i915 developers can then reassign to the right > component if it's not a kernel issue. > [ 6073.225309] [drm] The gpu crash dump is required to analyze gpu hangs, so > please always attach it. > [ 6073.225311] [drm] GPU crash dump saved to /sys/class/drm/card0/error > > Please attach the crash dump. Thanx, I added the error file as a compressed *.tar.gz file
*** This bug has been marked as a duplicate of bug 83677 ***
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