Created attachment 116747 [details] GPU crash dump saved to /sys/class/drm/card0/error Here is the crash dump attached as requested. dmesg says: [ 2578.757192] [drm] stuck on render ring [ 2578.757703] [drm] GPU HANG: ecode 7:0:0x00000000, in kwin_x11 [1560], reason: Ring hung, action: reset [ 2578.757704] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [ 2578.757705] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [ 2578.757705] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [ 2578.757706] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [ 2578.757707] [drm] GPU crash dump saved to /sys/class/drm/card0/error [ 2578.765193] drm/i915: Resetting chip after gpu hang [16003.381410] kactivitymanage[1684]: segfault at 18 ip 00007f2425e59f00 sp 00007fffedc0d2e8 error 4 in libqxcb.so[7f2425e2b000+b9000] [16004.541260] krunner[14925]: segfault at 18 ip 00007fb4c9139059 sp 00007ffd8b111e60 error 4 in libqxcb.so[7fb4c90ef000+b9000] [16004.541420] kwin_x11[14920]: segfault at 18 ip 00007fe79d4b9059 sp 00007ffe99364a20 error 4 in libqxcb.so[7fe79d46f000+b9000] [16004.751763] plasmashell[14936]: segfault at 18 ip 00007f972b81c059 sp 00007ffe050af120 error 4 in libqxcb.so[7f972b7d2000+b9000] [16005.511692] klauncher[14947]: segfault at 18 ip 00007f314626a059 sp 00007ffc6a2b85d0 error 4 in libqxcb.so[7f3146220000+b9000]
The first step is to try uptodate drivers, say ppa:xorg-edgers.
Timeout, closing. Please reopen if the problem persists with latest kernels and userspace.
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