Created attachment 71299 [details]
all Visual

System Environment:
--------------------------
Platform:   Ivybridge
Libdrm:	    (master)libdrm-2.4.40-3-g0980633afd9c7eecc0c75ef3bea4d3c6b7aa1898
Mesa:	    (master)17f5dc57306b8f5079304701e455bf4b927d3cae
Xserver:    (master)xorg-server-1.13.0-188-gb51a1bd2766e
Xf86_video_intel: (master)2.20.15-22-gaa8c5d8201006397bb32ed6bc28618f9aa77a68a
Libva:	(staging)8865fd148a4444b26c35197b3176f87fb2e85393
Libva_intel_driver: (staging)c0ef9d99df37ae45589fecb898727be495e50304
Kernel: (drm-intel-nightly)71c55a0992821d63a16286c399888bb9eae97cd3

Bug detailed description:
-------------------------
It fails on Ivybridge and sandybridge. But the case pass in Apple on IVB.Please see all visual attached.

Visual Report for ID 111 (32 bits). 
ID |ACCELERA|DB |REND_T |SURF_T |C_BUF_T |BUF_S |RED_S | 
111| 1| 1| gl| wipbpx| rgba| 32| 8| 

GREEN_S |BLUE_S |ALPHA_S |DEPTH_S |STENC_S |ACCUM_S |SPL_BUF |SAMPLES | 
8| 8| 8| 24| 8| 64| 0| 0| 

SRGB |TEX_RGB |TEX_RGBA|CAVEAT |SWAP |M_PBUF_W|M_PBUF_H|M_PBUF_P 
0| 0| 0| slow| undef| 0| 0| 0 

OpenGL Report. 
Vendor - 'Intel Open Source Technology Center' 
Renderer - 'Mesa DRI Intel(R) Ivybridge Desktop ' 
Version - '3.1 (Core Profile) Mesa 9.1-devel (git-17f5dc5)' (3.1) 
GLSL Version - '1.40' 
Context Flags - None 

>> Texture buffer object test (tbo) test: 
--> 4.4.3 - negative.sampler.texUnitConflictVsh subcase: 

/GFX/build/testsuite/Oglconform_31/oglconform_31/src/OGLconform/tbo.cpp(5730) Two samplers of types sampler1D and samplerBuffer point to texunit 0, but DrawArrays() does not cause GL_INVALID_ERROR : 
OpenGL Error (expected: GL_INVALID_OPERATION, reported: GL_NO_ERROR) 

--< 4.4.3 - negative.sampler.texUnitConflictVsh subcase failed. 
<< Texture buffer object test (tbo) test failed. (1 of 1 subcases) 

Intel Conformance failed. 
Total Passed : 0 
Total Failed : 1 
Total Not run: 0

Reproduce steps:
----------------------------
1. xinit
2. ./oglconform -ctx 3.1 -z -suite all -v 2 -D 111 -test tbo \
negative.sampler.texUnitConflictVsh