Created attachment 93449 [details] content of /sys/class/drm/card0/error X.org locks hard when closing a Chrome video window (HTML5 playback on Youtube) Ubuntu 3.10 using drm-intel-nightly kernel root@adamian-desk:~# uname -a Linux adamian-desk 3.13.0-031300-generic #201401192235 SMP Mon Jan 20 03:36:48 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux The card is Ivybridge i965, with SNA enabled. VGA PCI identifier: 00:02.0 0300: 8086:0162 (rev 09) (prog-if 00 [VGA controller]) Subsystem: 103c:2ad5 Flags: bus master, fast devsel, latency 0, IRQ 45 Memory at f7800000 (64-bit, non-prefetchable) [size=4M] Memory at e0000000 (64-bit, prefetchable) [size=256M] I/O ports at f000 [size=64] Expansion ROM at <unassigned> [disabled] Capabilities: <access denied> Kernel driver in use: i915 Video driver version: [ 89259.493] (II) intel(0): SNA compiled: xserver-xorg-video-intel 2:2.99.907+git20140131.f934ee78-0ubuntu0sarvatt~saucy (Robert Hooker <sarvatt@ubuntu.com>) Dmesg relevant lines: [89189.507615] Watchdog[21050]: segfault at 0 ip 00007f2cd674c39e sp 00007f2cc7a4f670 error 6 in chrome[7f2cd2e3a000+5b83000] [89191.943215] [drm] stuck on render ring [89191.943218] [drm] GPU crash dump saved to /sys/class/drm/card0/error [89191.943219] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [89191.943219] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [89191.943220] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [89191.943220] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
Hard lockup? The error here should be recoverable - and not coupled to chrome closing a video window. (The error is just a random pageflip hang.) *** This bug has been marked as a duplicate of bug 74053 ***
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