[Bug 90523] Easily reproducible GPU lockup (verde) with any mesa 10.5.x

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90523

            Bug ID: 90523
           Summary: Easily reproducible GPU lockup (verde) with any mesa
                    10.5.x
           Product: Mesa
           Version: 10.5
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: acab at digitalfuture.it
        QA Contact: dri-devel at lists.freedesktop.org

A few seconds into certain games the GPU locks up and X crashes.
The same happens (albeit not as quickly) under other circumstances like playing
a video in a browser.
Last known good configuration is mesa 10.4.6.
Known bad configurations: 10.5.1, 10.5.2, 10.5.4, 10.5.5.

Are there any steps to follow to help diagnose the issue?

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