[Bug 73110] New: [BISECTED] Serious Sam 3 crashes with R600_LLVM=1 (CAYMAN)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73110

          Priority: medium
            Bug ID: 73110
          Assignee: dri-devel at lists.freedesktop.org
           Summary: [BISECTED] Serious Sam 3 crashes with R600_LLVM=1
                    (CAYMAN)
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: alexandre.f.demers at gmail.com
          Hardware: All
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r600
           Product: Mesa

More than a week ago, after updating mesa, I began experiencing trouble
launching Serious Sam 3. Bisecting gave me the following:

696229523d919de15ebc25d0f475bf56d7dad4a9 is the first bad commit
commit 696229523d919de15ebc25d0f475bf56d7dad4a9
Author: Marek Olšák <marek.olsak at amd.com>
Date:   Thu Dec 12 18:09:08 2013 +0100

    r600g: use shader-based MSAA resolving when hw-based one cannot be used

    This fixes some MSAA integer tests.

:040000 040000 b04b89764c5edee6dd685e22d47e36a11060583f
147827de9fe4e00bae5cc5844052b4fc45bb396c M    src

However, setting R600_LLVM=0 prevent the crash.

Using an HD6950 (Cayman) on kernel 3.13-rc5 with latest drm and ddx from git on
ArchLinux 64bit.

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