Created attachment 84353 [details]
dmesg with many instances of problem occuring (while isolating the piglit
testcase)

./piglit-run.py --no-concurrency -t  '^shaders/glsl-array-bounds-02'
tests/quick.tests results/quick-shaders-array.tests

and all other even numbered cases 
glsl-array-bounds-04
glsl-array-bounds-06
glsl-array-bounds-08

print out success but get a kernel log entry like 

[ 4653.971680] nouveau E[  PGRAPH][0000:02:00.0] TRAP_MP - TP0: Unhandled
ustatus 0x00000001
[ 4653.971688] nouveau E[  PGRAPH][0000:02:00.0]  TRAP
[ 4653.971695] nouveau E[  PGRAPH][0000:02:00.0] ch 5 [0x0007814000
shader_runner[8809]] subc 3 class 0x8397 mthd 0x15e0 data 0x00000000

found with heavy use of exclude -x feature :)


Hardware:
Nvidia 8200 Onboard NVAA/NV50
nouveau  [  DEVICE][0000:02:00.0] Chipset: MCP77/MCP78 (NVAA)
nouveau  [  DEVICE][0000:02:00.0] Family : NV50

Software:
Linux Mint 15 + xorg-edgers + 3.11-rc5
Kernel: 3.11.0-rc5-vanillaice (compiled)
libdrm-nouveau: 2.4.46+git20130702.c6d73cfe-0ubuntu0sarvatt~raring
xserver-xorg-video-nouveau :
1:1.0.9+git20130730.300c5a32-0ubuntu0sarvatt~raring
mesa: 9.2.0~git20130729+9.2.9b8ad643-0ubuntu0sarvatt~raring