[Bug 64201] OpenCL usage result segmentation fault on r600g with HD6850.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=64201

--- Comment #14 from Aaron Watry <awatry at gmail.com> ---
> @Aaron, could you use pyrit or any other OpenCL tools with yours HD6850
> without lockup?

I get the same error from pyrit (cpyrit-opencl) as you do:

> awatry at veer:~/src/opencl_applications/cpyrit-opencl-0.4.0$ pyrit benchmark
> Pyrit 0.4.0 (C) 2008-2011 Lukas Lueg http://pyrit.googlecode.com
> This code is distributed under the GNU General Public License v3+
> 
> Calibrating... LLVM ERROR: Not supported instr: <MCInst 206 <MCOperand Reg:1046> <MCOperand Reg:1031> <MCOperand Imm:0> <MCOperand Imm:0>>

I'm not sure right now what instruction is causing that error.

I do get lockups when I run:
bfgminer -v1 --benchmark

Kernel:
http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-next/2013-05-03-raring/
Mesa: git master as of yesterday
LLVM: git master as of a70d02ff284, with a few additional patches on top
drm: git master 040f6b015ef7d9c

A simpler test case might be the piglit min() builtin CL test.  Does that test
lock up for you as well?  You might have to run it a few times.

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