[Bug 42913] New: r600g: glx-swap-pixmap causes screen corruption

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=42913

             Bug #: 42913
           Summary: r600g: glx-swap-pixmap causes screen corruption
    Classification: Unclassified
           Product: Mesa
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: debian at carbon-project.org


First: I don't think this is bug 40610 because I don't see a crash but screen
corruption and (sometimes) the following lines in dmesg:
> radeon 0000:01:00.0: r600_check_texture_resource:1346 texture invalid format 0
> [drm:radeon_cs_ioctl] *ERROR* Invalid command stream !

But I'm no Mesa/Piglit expert, so my assumption might be wrong.

The Piglit test itself fails, the output is:
> Probe at (0,0)
>  Expected: 0.000000 1.000000 0.000000 0.000000
>  Observed: 0.000000 0.000000 1.000000 1.000000

Used stack:
Mesa: Git/9ae10e9c
libdrm: 2.4.27-1
Kernel: 3.1.1
X.org: 1.11.1.902-1

Let me know, if you need more information.

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