[Bug 75591] New: [BDW]Many Oglese2conform cases cause system hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75591

          Priority: high
            Bug ID: 75591
          Assignee: idr at freedesktop.org
           Summary: [BDW]Many Oglese2conform cases cause system hang
        QA Contact: intel-3d-bugs at lists.freedesktop.org
          Severity: blocker
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: Drivers/DRI/i965
           Product: Mesa

Created attachment 94856
  --> https://bugs.freedesktop.org/attachment.cgi?id=94856&action=edit
dmesg(asin_float_frag_xvary.test)

System Environment:
--------------------------
Platform: BDW
Libdrm:       
(master)libdrm-2.4.52-4-gc5de5abbd90333fe1359283fb3a5e457b0f389f3
Mesa:        (master)bb9c8071eaea276658a631c47c0bedd371a7ddfc
Xserver:       
(master)xorg-server-1.15.99.901-6-gcaf1dec2a76fbbd21259fe4cc809e24a55ff79b4
Xf86_video_intel:       
(master)2.99.910-68-gff49944928c7399527b11bb0da7699711591c21a
Cairo:        (master)7b50883577df0949f793cc6dbfda281e96119dcd
Libva:        (staging)2bf493a4838b419a61fa5cc6925fab4d4786dbcd
Libva_intel_driver:        (staging)bd630edd844b88ea543a027654db296ff7da16cd
Kernel:    (drm-intel-nightly) 1be8f2b4dd6d3db00af24d4891c82d2650bd282d

Bug detailed description:
---------------------------
Some Ogles2conform cases cause system hang.
Following cases have this issue:
(GLES20)GL_acos_acos_float_frag_xvary.test
(GLES20)GL_acos_acos_vec2_frag_xvary.test
(GLES20)GL_atan_atan_float_frag_xvary.test
(GLES20)GL_atan_atan_float_vert_xvary.test
(GLES20)GL_atan_atan_vec2_vert_xvary.test
(GLES20)GL_functions_mat4_empty_inout_mat4_array_vert.test
(GLES20)GL_sin_sin_vec3_frag_xvary.test
(GLES20)GL_acos_acos_vec3_frag_xvary.test
(GLES20)GL_asin_asin_float_frag_xvary.test
(GLES20)GL_atan_atan_vec3_frag_xvary.test
(GLES20)GL_atan_atan_float_frag_xvaryyvary.test
(GLES20)GL_atan_atan_vec2_vert_xvaryyvary.test
(GLES20)GL_functions_mat4_empty_inout_mat4_empty_vert.test
(GLES20)GL_asin_asin_vec2_frag_xvary.test
(GLES20)GL_asin_asin_vec3_frag_xvary.test
(GLES20)GL_atan_atan_vec2_frag_xvary.test
(GLES20)GL_atan_atan_vec2_frag_xvaryyvary.test
(GLES20)GL_atan_atan_vec3_frag_xvaryyvary.test
(GLES20)GL_atan_atan_vec3_vert_xvary.test

Reproduce steps:
-------------------------
1. xinit
2. run ./GTF -width=64 -height=64 -run=GL/asin/asin_float_frag_xvary.test

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