[Bug 91916] [All regression] Render error when running Unigine-Heave_v4.0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91916

            Bug ID: 91916
           Summary: [All regression] Render error when running
                    Unigine-Heave_v4.0
           Product: Mesa
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: wendy.wang at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Created attachment 118135
  --> https://bugs.freedesktop.org/attachment.cgi?id=118135&action=edit
error pic

System Environment:
--------------------------
Mesa Regression: yes
Failed Platform: IVB/BYT/HSW/BDW/BSW/SKL

Bug detailed description:
-----------------------------
Render error with black pictures when running Unigine-Heave_v4.0
pls refer to attached error picture and xorg.log

Good gfx sw driver stack on July 22:
Libdrm:        
(master)libdrm-2.4.62-10-g293f8fac0a5c1cfd825005c94329aa8a5cd5ce30
 Mesa:          (master)fcc1949cc4d97d8ed714020d5b86b31b70eca774
 Xserver:              
(master)xorg-server-1.17.0-284-ga8a0f6464a33c12c1de495d74fd478c0d952643e
 Xf86_video_intel:             
(master)2.99.917-385-g7301516b63d2e5fcd594f1e50a0f7b3b9bb5cadb
 Cairo:         (master)2cf2d8e340a325adb205baf8e4bd64e1d1858008    

Bad gfx sw driver stack on July 24
Libdrm:       
(master)libdrm-2.4.62-10-g293f8fac0a5c1cfd825005c94329aa8a5cd5ce30
 Mesa:        (master)30f97b5e52b324d501c56df8902d294fb755a5b7
 Xserver:       
(master)xorg-server-1.17.0-284-ga8a0f6464a33c12c1de495d74fd478c0d952643e
 Xf86_video_intel:       
(master)2.99.917-388-g2050d03f520a5027450b65c2617ab02a92287d23
 Cairo:        (master)2cf2d8e340a325adb205baf8e4bd64e1d1858008


Reproduce steps:
---------------------------
1.  xinit& 
2.  gnome-session&
3. cd unigine-heaven-1.5.2/Unigine_Heaven-4.0/
4. export LD_LIBRARY_PATH=bin/:$LD_LIBRARY_PATH 
5. export force_glsl_extensions_warn=true export
MESA_EXTENSION_OVERRIDE="-GL_ARB_sample_shading"
6. vblank_mode=0 ./bin/heaven_x64 -video_app opengl -data_path ../ -sound_app
null -engine_config ../data/heaven_4.0.cfg -system_script heaven/unigine.cpp
-video_mode -1 -video_fullscreen 1 -extern_define PHORONIX,RELEASE -video_width
1920 -video_height 1080

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