[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 #65 from LongerDev <longerdev at gmail.com> ---
I have this bug too.

Gentoo 64bit
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA
controller])
        Subsystem: Samsung Electronics Co Ltd Device c0a0
        Flags: bus master, fast devsel, latency 0, IRQ 16
        Memory at f5c00000 (64-bit, non-prefetchable) [size=4M]
        Memory at e0000000 (64-bit, prefetchable) [size=256M]
        I/O ports at e000 [size=64]
        Expansion ROM at <unassigned> [disabled]
        Capabilities: <access denied>
        Kernel driver in use: i915

Kernel 3.8.0 gentoo-sources

I try patch a24a11e6b4e96bca817f854e0ffcce75d3eddd13, but nothing change.
Mar 31 15:14:37 localhost kernel: [64379.291736] [drm:i915_hangcheck_hung]
*ERROR* Hangcheck timer elapsed... GPU hung
Mar 31 15:14:37 localhost kernel: [64379.291742] [drm] capturing error event;
look for more information in /debug/dri/0/i915_error_state

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