[Bug 79624] New: [ILK bisected]many piglit cases fail on Ironlake

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79624

          Priority: high
            Bug ID: 79624
                CC: huax.lu at intel.com, mattst88 at gmail.com
          Assignee: idr at freedesktop.org
           Summary: [ILK bisected]many piglit cases fail on Ironlake
        QA Contact: intel-3d-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: xunx.fang at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: Drivers/DRI/i965
           Product: Mesa

System Environment:
--------------------------
Platform: Ironlake
Libdrm:  (master)libdrm-2.4.54-9-g8fc62ca8ac010659023bb63c4759eb683de4f9af
Mesa:     (master)328e9593173bc69352e1707f119a7aca9d540cf9
Xserver:  
(master)xorg-server-1.15.99.902-117-g7ca458493aa2f0aa091c989ea0768611e0730bf5
Xf86_video_intel:
(master)2.99.911-250-g4cafd1fbb1a2441a9ba5dac7f2a0e1b3f5957c62
Kernel:    (drm-intel-nightly)455a8f

Bug detailed description:
-----------------------------
Many piglit cases fail on mesa master on ironlake. No issue happens on other
platform. 
Following are some of these failed cases:
Piglit/glean_fbo
Piglit/glean_pbo
Piglit/glean_texCube
Piglit/glean_texEnv
Piglit/glean_texgen
Piglit/glean_texture_srgb
Piglit/glx_glx-tfp
Piglit/shaders_glsl-bug-22603
Piglit/shaders_glsl-fs-bug25902
Piglit/shaders_glsl-fs-color-matrix
Piglit/shaders_glsl-fs-convolution-1
Piglit/shaders_glsl-fs-convolution-2
Piglit/shaders_glsl-fs-functions-samplers
Piglit/shaders_glsl-fs-if-texture2d-discard
Piglit/shaders_glsl-fs-sampler-numbering-2
Piglit/shaders_glsl-fs-sampler-numbering-3
Piglit/shaders_glsl-fs-texture2d

Bisect shows 07af0abef024f8a17a00975265eff79aa069c9b5 is the first bad commit
commit 07af0abef024f8a17a00975265eff79aa069c9b5
Author:     Matt Turner <mattst88 at gmail.com>
AuthorDate: Tue May 27 10:25:05 2014 -0700
Commit:     Matt Turner <mattst88 at gmail.com>
CommitDate: Sun Jun 1 13:29:24 2014 -0700
    i965/fs: Clean up fs_inst constructors.

    In a fashion suggested by Ken.


Reproduce steps:
---------------------------- 
1. xinit
2. bin/glean -o -v -v -v -t +fbo

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