[Bug 64413] New: [SNA]Rendercheck triangles fail with SNA enable

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=64413

          Priority: medium
            Bug ID: 64413
          Assignee: chris at chris-wilson.co.uk
           Summary: [SNA]Rendercheck triangles fail with SNA enable
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: Driver/intel
           Product: xorg

Created attachment 79073
  --> https://bugs.freedesktop.org/attachment.cgi?id=79073&action=edit
output

System Environment:
--------------------------
Libdrm:        (master)2.4.44-6-g011999927f76a7e9ba8f047fae4b4e084da6c2c3
Mesa:        (master)00035670de83f96499415bb8ef65374312505f5c
Xserver:   
(master)xorg-server-1.14.99.1-76-g6993f8b459e25b1a7a0a03e209688a28ce6c2c56
Xf86_video_intel:(master)2.21.6-26-g262ee1ef1e98cb84fa0af6e679c8cd61dc93f008
Cairo:        (master)1704292e493b3c635e115df59d07330d19b39514
Libva:        (staging)4853e4a3a6cc5218e032a19d729096862db82bc6
Libva_intel_driver:(staging)5bd630d4ea732818728b0a464f45739c86e08be3
Kernel:    (drm-intel-nightly) c169e7eefc95e2c2df94766cad67efb0fe6284ea

Bug detailed description:
-----------------------------
It fails with SNA driver, and works well with EXA driver.

Reproduce steps:
----------------------------
1. xinit
2. ./rendercheck -o src,over,overreverse,xor -t triangles

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