[Bug 99782] Driver lockup using dolphin in specific areas

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99782

            Bug ID: 99782
           Summary: Driver lockup using dolphin in specific areas
           Product: Mesa
           Version: git
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: radeon.20.mathieui at dfgh.net
        QA Contact: dri-devel at lists.freedesktop.org

Created attachment 129537
  --> https://bugs.freedesktop.org/attachment.cgi?id=129537&action=edit
Dolphin FIFO log that triggers the lockup

Using my RX 470 card and mesa, my video driver locks up in specific parts of a
game (Fire Emblem: Radiant Dawn) using the Dolphin emulator.

I can still interact with the system using ssh, but the screen stays frozen at
the exact moment and stays unresponsive until reboot (trying to kill dolphin
leads to a zombie).

I tried with all stable mesa versions between 13.0 and 13.0.4, and a fairly
recent git version (3f064e9a40), and I can reproduce the lockup every time.

I attached a dolphin fifo log which triggers the bug and can be run without
owning the game.

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