[Bug 93962] [HSW, regression, bisected, CTS] ES2-CTS.gtf.GL2FixedTests.scissor.scissor - segfault/asserts

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93962

            Bug ID: 93962
           Summary: [HSW, regression, bisected, CTS]
                    ES2-CTS.gtf.GL2FixedTests.scissor.scissor -
                    segfault/asserts
           Product: Mesa
           Version: 11.0
          Hardware: Other
                OS: All
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: marta.lofstedt at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Software versions:
    4.4.0-040400rc7-generic
    OpenGL version string: 3.0 Mesa 11.2.0-devel (git-7221b8a)

GPU hardware:
    OpenGL renderer string: Mesa DRI Intel(R) Haswell Desktop 
    00:02.0 VGA compatible controller [0300]: Intel Corporation Xeon E3-1200
v3/4th Gen Core Processor Integrated Graphics Controller [8086:0412] (rev 06)

CPU hardware:
    x86_64
    Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz
command: 
./glcts --deqp-case=ES2-CTS.gtf.GL2FixedTests.scissor.scissor

Mesa built with: --enable-debug => asserts:

glcts: intel_tiled_memcpy.c:170: rgba8_copy_aligned_src: Assertion
`!(((uintptr_t)src) & 0xf)' failed.
Aborted (core dumped)

Mesa without --enable-debug => segfault.

Bisected to:
commit ab30426e335116e29473faaafe8b57ec760516ee
Author: Roland Scheidegger <sroland at vmware.com>
Date:   Fri Jan 29 03:18:36 2016 +0100

    i965: Provide sse2 version for rgba8 <-> bgra8 swizzle

This bug blocks CTS testing.

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