Created attachment 99442 [details] This is the [drm] GPU crash dump saved to /sys/class/drm/card0/error I am using Fedora 20 mate-compiz with cairo-dock. X freezes randomly when using Firefox 29.0.1 With the journalctl command, I see the following message: kernel: [drm] stuck on render ring kernel: [drm] GPU crash dump saved to /sys/class/drm/card0/error kernel: [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace kernel: [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel kernel: [drm] drm/i915 developers can then reassign to the right component if it's not a kernel kernel: [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. The /sys/class/drm/card0/error file is sent in attachement. My controller is an Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06). Regards, Alain
Created attachment 102747 [details] This is the new [drm] GPU crash dump saved to /sys/class/drm/card0/error The message seems to be more explicit (with cairo-dock): [drm] stuck on render ring [drm] GPU HANG: ecode 0:0x87d3bffa, in cairo-dock [2997], reason: Ring hung, action: reset [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [drm] GPU crash dump saved to /sys/class/drm/card0/error [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
Chris, please have a look.
What DDX are you using? I'm not sure if Cairo dock is using Xrender or cairo-drm or GL or what, but changing out the DDX and/or Mesa (and of course the kernel) may affect this.
*** This bug has been marked as a duplicate of bug 83677 ***
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