X Error of Failed request

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Installed OpenCL software from AMD
2. Installed pyrit
3. Installed OpenCL from pyrit
4. Typed: pyrit list_cores

What is the expected output? What do you see instead?
Should see ATI GPU core plus 7 CPUs instead i get:
X Error of failed request:  BadRequest (invalid request code or no such 
operation)
  Major opcode of failed request:  136 ()
  Minor opcode of failed request:  19
  Serial number of failed request:  8
  Current serial number in output stream:  8

What version of the product are you using? On what operating system?
I think pyrit 0.4.1 from svn on Ubuntu 10.04.2

Please provide any additional information below.
Already have latest graphics driver

Original issue reported on code.google.com by tstephen...@gmail.com on 9 Jul 2011 at 5:24

[GoogleCodeExporter]

I receive the same output for "pyrit list_cores".
I am expecting to see 2 ATI GPU cores, plus 2 CPUs.

I am using pyrit 0.4.0, cpyrit-opencl 0.4.0.
operating system Backtrack 5 r1 (Ubuntu based).
AMD-APP-SDK-v2.5-lnx64
ATI driver 11-8-x86.x86_64

Original comment by nore...@skooma.net on 11 Sep 2011 at 8:42

[GoogleCodeExporter]

I'm getting the same X Error after the same set of steps on the same system. 
Any advices? 

Original comment by ignat.sa...@gmail.com on 16 Feb 2012 at 2:52

[GoogleCodeExporter]

at first: killall X and retry from cli, without X server running
if it restarts, killall xdm also

Original comment by masterzorag on 1 Mar 2012 at 2:03