[Bug 91278] Tonga GPU lock/reset fail with Unigine Valley

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91278

--- Comment #16 from Mathias Tillman <master.homer at gmail.com> ---
(In reply to Alex Deucher from comment #15)
> These patches may help:
> http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20150928/302380.html
> http://lists.freedesktop.org/archives/mesa-dev/2015-September/095718.html
Afraid not, applied both of them and it still hangs. One interesting thing is
that I was using mesa from the oibaf ppa which compiles against llvm 3.6. While
using that I haven't been able to replay my apitrace of valley once - it always
hangs before it finishes. However, I compiled mesa against llvm 3.7 (one
compiled from source with the patch, and one from llvm's apt repository) and
3.8, and it gets much further now - I've been able to replay the trace three
times without a hang, though it does ultimately hang unfortunately.

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