System Environment:
--------------------------
Arch:           i386
Platform:       Pineview
Libdrm:         (master)2.4.31-1-g2cfac57d364d0166ed9472b086c16aea376f495a
Mesa:           (8.0)e86d90eb208292916c8a04c5d75499492003dd16
Xserver:      (server-1.11-branch)xorg-server-1.11.3
Xf86_video_intel:  (master)2.17.0-644-g4d8369f8e60fd4f5a0ef49f3e9866ea5ecb21927
Kernel:         (drm-intel-fixes) 617cf884810b44384fe8e9431e9babeb80a2ff37

Bug detailed description:
------------------------- 
It fails at mesa 8.0 branch and master branch on pineview.  
Below cases also fails:
pointsprite(basic.points.lower_left.max)
pointsprite(basic.triangles.lower_left.min) 
pointsprite(basic.triangles.lower_left.max) 
pointsprite(basic.position.0_0.points)
pointsprite(basic.position.0_2.points) 
pointsprite(basic.position.1_0.triangles) 
pointsprite(basic.position.1_1.points) 
pointsprite(basic.position.1_2.triangles) 
pointsprite(basic.position.2_0.points)
pointsprite(basic.position.2_1.triangles) 
pointsprite(basic.position.2_2.points)

Bisect fails due to some mesa commit build failure. The last known bad commit is
Mesa(8.0)caebd7929dca802ece8ef36b0f85094d66133b57, the last known good commit is Mesa(8.0)1b33ae3a7da160033a2dc7abe6ef46dee3730c2e.

Reproduce steps:
----------------
1. start X
2. ./oglconform -z -s -suite all -v 2 -test pointsprite basic.points.lower_left.min