[Bug 97806] GPU lockup with mesa-git and llvm-svn with rx 470 on Unigine Heaven and TombRaider 2013

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97806

            Bug ID: 97806
           Summary: GPU lockup with mesa-git and llvm-svn with rx 470 on
                    Unigine Heaven and TombRaider 2013
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: blocker
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: lordheavym at gmail.com
        QA Contact: dri-devel at lists.freedesktop.org

Just swithed from a R9 380 to a RX 470, from the first tests i have a GPU
lockup on the first frames  with Unigine Heaven and Tom Raider 2013 benchmark.

* mesa-git a1e49b / llvm-svn trunk 281305
* AMD RX 470 nitro+ OC 8gB - AMD POLARIS10 (DRM 3.2.0 / 4.7.3-2-ARCH, LLVM
4.0.0) (0x67df)
* latest linux-firmware

It doesn't lockup with mesa-12.0.2 with llvm-3.8.1
I've also tried mesa-git with llvm-3.8.1 and it doesn't lockup too.

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