[Bug 70764] [snb] TearFree now triggers stuck semaphores (due to Eliminate the synchronous wait from inside TearFree)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70764

--- Comment #7 from FBrown <francisbrwn9 at gmail.com> ---
(In reply to comment #6)
> In recent kernels (by which I mean drm-intel-nightly), hangcheck will
> capture the error upon the first struck semaphore. That
> /sys/class/drm/card0/error would be useful to see when the error occurs.
> (I'm wondering if this something funky with the pageflip for instance.)

I'll grab a build from here 

http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-nightly/current/ 

and try that at some point later today then.

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