[Nouveau] [Bug 68344] New: [piglit] shaders/glsl-fs-texture2d-dependent-4 randomly passes or fails on NVAA/NV50

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68344

          Priority: medium
            Bug ID: 68344
          Assignee: nouveau at lists.freedesktop.org
           Summary: [piglit] shaders/glsl-fs-texture2d-dependent-4
                    randomly passes or fails on NVAA/NV50
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: dirkneukirchen at web.de
          Hardware: x86 (IA32)
            Status: NEW
           Version: git
         Component: Driver/nouveau
           Product: xorg

Created attachment 84349
  --> https://bugs.freedesktop.org/attachment.cgi?id=84349&action=edit
normal bootlog

./piglit-run.py -t '/shaders/glsl-fs-texture2d-dependent-4' tests/quick.tests
results/quick-shaders-single-test.tests 

passes or fails seemingly random
20 passes - 9 fails

Result of fail:
Probe color at (25,224)
  Expected: 0.000000 0.000000 1.000000
  Observed: 1.000000 0.000000 0.000000
Probe color at (224,224)
  Expected: 1.000000 1.000000 1.000000
  Observed: 0.000000 1.000000 0.000000

Hardware:
Nvidia 8200 Onboard NVAA/NV50
nouveau  [  DEVICE][0000:02:00.0] Chipset: MCP77/MCP78 (NVAA)
nouveau  [  DEVICE][0000:02:00.0] Family : NV50

Software:
Linux Mint 15 + xorg-edgers + 3.11-rc5
Kernel: 3.11.0-rc5-vanillaice (compiled)
libdrm-nouveau: 2.4.46+git20130702.c6d73cfe-0ubuntu0sarvatt~raring
xserver-xorg-video-nouveau :
1:1.0.9+git20130730.300c5a32-0ubuntu0sarvatt~raring
mesa: 9.2.0~git20130729+9.2.9b8ad643-0ubuntu0sarvatt~raring

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