[Bug 54226] [snb 3.5] stale semaphore sync seqno (typically as seen on bcs->rcs)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=54226

--- Comment #162 from Christopher Wawak <cwawak at redhat.com> ---
[872948.822279] [drm] stuck on render ring
[872948.822291] [drm] stuck on blitter ring
[872948.823041] [drm] GPU HANG: ecode 0:0xf4e9fffe, in Xorg [30647], reason:
Ring hung, action: reset
[872948.823045] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[872948.823046] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[872948.823047] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[872948.823048] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[872948.823049] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[872948.823168] [drm:i915_context_is_banned] *ERROR* gpu hanging too fast,
banning!
[872950.821912] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off

Linux bobloblaw 3.15.0-1.fc20.x86_64 #1 SMP Sat Jun 14 11:22:00 EDT 2014 x86_64
x86_64 x86_64 GNU/Linux

Attaching gpu crash dump as card0-error.071714-cwawak

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