[Bug 99030] New: [HSW, regression] transform feedback fails on Linux 4.8

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99030

            Bug ID: 99030
           Summary: [HSW, regression] transform feedback fails on Linux
                    4.8
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: mark.a.janes at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

dEQP / GLES CTS transform feedback tests fail intermittently on HSW with
upstream Linux 4.8:

ES3-CTS.functional.transform_feedback.array_element.interleaved.lines.lowp_vec2
Standard Output
Transform feedback varyings: { v_varA[1], v_varB[0], v_varB[3] }
Transform feedback varyings reported by compiler:
GL_TRANSFORM_FEEDBACK_VARYINGS = 3
v_varA[1]: vec2[1]
v_varB[0]: vec2[1]
v_varB[3]: vec2[1]


Tests pass reliably on Linux 4.7

Bisection was proposed to be done on EZBench in Intel's bug tracker:
https://jira01.devtools.intel.com/browse/VIZ-8798

However, since that hasn't been done, perhaps someone else should find and fix
the issue.

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