[Bug 43332] New: corrupted output in mesa-demo/fp-tri using r600g on evergreen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=43332

             Bug #: 43332
           Summary: corrupted output in mesa-demo/fp-tri using r600g on
                    evergreen
    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: stefano.teso at gmail.com


Hi,

using mesa from git master (commit 76ba431b97087e2d5ca0351e0d613f0812fd1425),
the mesa demo fp-tri, when running the scs.txt shader, displays the correct
output overlayed by random blue-ish blocks (perhaps alpha channel corruption?).

The bug doesn't affect llvmpipe. Only scs.txt seems to trigger the issue.

This is on evergreen hw:

01:00.0 VGA compatible controller: ATI Technologies Inc Robson CE [AMD Radeon
HD 6300 Series]

on an i7 machine with i386 debian unstable.

The bug is also present in the libGL 7.11.2 shipped by debian, so I don't think
it's a regression or a bug in my config.

Please let me know if you need more info.

Thanks,

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