https://bugs.freedesktop.org/show_bug.cgi?id=104654
Bug ID: 104654
Summary: r600/sb: Alien Isolation GPU lock
Product: Mesa
Version: git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Gallium/r600
Assignee: mesa-dev@lists.freedesktop.org
Reporter: gw.foss...@gmail.com
QA Contact: mesa-dev@lists.freedesktop.org
When running Alien Isolation with the sb optimizer it locks up in Mission 10,
in the beginning of the area "Gemini Exoplanet Solutions". With R600_DEBUG=nosb
the problem can be alleviated.
My first hunch was that the problem lies in sb does not always ending an ALU
clause after a KILL instruction (which according to the HW documentation should
be the case, but after trying to force this I'm not so sure any more, because
this kind of wrong scheduling happens also earlier in the game, even in the
start-up screen.
Graphics card: 6870 HD (barts).
Mesa-version: git 8045f01e2 + some patches to glsl_to_tgsi regarding register
and array merging that should have no influence on r600/sb.
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