Created attachment 107831 [details] dump file referenced in dmesg output /sys/class/drm/card0/error Firefox, Chrome, any other app that uses video DRM crashes X on ubuntu running gnome-shell. [43503.816040] [drm] stuck on render ring [43503.816048] [drm] GPU crash dump saved to /sys/class/drm/card0/error [43503.816050] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [43503.816052] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [43503.816054] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [43503.816056] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [43503.817210] [drm:i915_set_reset_status] *ERROR* render ring hung inside bo (0xfff3000 ctx 0) at 0xfff3c90 [43503.876054] [drm] GMBUS [i915 gmbus vga] timed out, falling back to bit banging on pin 2 [43504.328060] [drm:i915_reset] *ERROR* Failed to reset chip.
Could you please test with a more recent kernel? Preferably drm-intel-nightly branch from cgit.freedesktop.org/drm-intel. Than attach update logs.
Updated to trusty-proposed and it works fine now. No errors.
Dear Reporter, This Mesa bug has been in the "NEEDINFO" status for over 60 days. I am closing this bug based on lack of response but feel free to reopen if resolution is still needed. Please ensure you're supplying the correct information as requested. Thank you.
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