Created attachment 111327 [details]
doing nothign special got this crash...
in order to avoid other GPU Hangs.
the only special settings that I have
Identifier "Intel Graphics"
# Option "AccelMethod" "uxa"
Option "DRI" "False"
and a i915.semaphores=1 at boot
All this on kde framewroks 5 and plasma 2
[15:45:20 alin@abaddon:~]: dmesg | grep drm
[ 3.513647] [drm] Initialized drm 1.1.0 20060810
[ 3.533279] [drm] Memory usable by graphics device = 2048M
[ 3.533298] fb: switching to inteldrmfb from EFI VGA
[ 3.533608] [drm] Replacing VGA console driver
[ 3.541436] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 3.541445] [drm] Driver supports precise vblank timestamp query.
[ 3.623823] [drm] Initialized i915 1.6.0 20141121 for 0000:00:02.0 on minor 0
[ 3.673390] [drm] GMBUS [i915 gmbus vga] timed out, falling back to bit banging on pin 2
[ 3.684791] fbcon: inteldrmfb (fb0) is primary device
[ 4.936417] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[ 812.894095] battery tpm_tis tpm ac processor efivarfs i915 i2c_algo_bit drm_kms_helper drm video button sg
[10357.271084] [drm] GPU HANG: ecode 7:-1:0x00000000, reason: Kicking stuck semaphore on render ring, action: continue
[10357.271105] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
[10357.271110] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
[10357.271115] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
[10357.271119] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
[10357.271124] [drm] GPU crash dump saved to /sys/class/drm/card0/error
*** This bug has been marked as a duplicate of bug 54226 ***