Created attachment 143521 [details] /var/tmp/i915_error_state.20140719-200222.txt.gz either with recent 3.15.x ekrnels or with recent KDE 4.13.x this bug seems to appear (slightly) more oftne than before : Jul 19 20:02:12 n22 kernel: [drm] stuck on render ring Jul 19 20:02:12 n22 kernel: [drm] stuck on blitter ring Jul 19 20:02:12 n22 kernel: [drm] GPU HANG: ecode 0:0xf4e9fffe, in X [2924], reason: Ring hung, action: reset Jul 19 20:02:12 n22 kernel: [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. Jul 19 20:02:12 n22 kernel: [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel Jul 19 20:02:12 n22 kernel: [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. Jul 19 20:02:12 n22 kernel: [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. Jul 19 20:02:12 n22 kernel: [drm] GPU crash dump saved to /sys/class/drm/card0/error Jul 19 20:02:12 n22 kernel: [drm:i915_context_is_banned] *ERROR* gpu hanging too fast, banning! Jul 19 20:02:14 n22 kernel: [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp on
Chris, care to take a look at this one please?
Another fdo bug 54226.
(In reply to Chris Wilson from comment #2) > Another fdo bug 54226. Thanks Chris. Closing, we'll track this at https://bugs.freedesktop.org/show_bug.cgi?id=54226. Thanks for the report.