[Bug 75623] New: [ivb:gt1 regression] Render corruption (HiZ?)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75623

          Priority: medium
            Bug ID: 75623
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [ivb:gt1 regression] Render corruption (HiZ?)
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: chris at chris-wilson.co.uk
          Hardware: Other
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Intel
           Product: DRI

commit 3fac8978f5d353d350215d7d8dae977d65305f64
Author: Mika Kuoppala <mika.kuoppala at linux.intel.com>
Date:   Thu Jan 30 16:05:48 2014 +0200

    drm/i915: Tune down debug output when context is banned

    If we have stopped rings then we know that test is running
    so no need for spam. In addition, only spam when default
    context gets banned.

    v2: - make sure default context ban gets shown (Chris)
        - use helper for checking for default context, everywhere (Chris)

    v3: - dont be quiet when debug is set (Ben, Daniel)

    Reference: https://bugs.freedesktop.org/show_bug.cgi?id=73652
    Signed-off-by: Mika Kuoppala <mika.kuoppala at intel.com>
    Reviewed-by: Ben Widawsky <ben at bwidawsk.net>
    Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

seems to be implicated in render corruption of glxgears on an ivg:gt1 1007U

Bizzare.

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