tc@box:~$ glxgears
Failed to initialize TTM buffer manager. Falling back to classic.
[intel_init_bufmgr:500] Error initializing buffer manager.
X Error of failed request: BadAlloc (insufficient resources for operation)
Major opcode of failed request: 151 (GLX)
Minor opcode of failed request: 3 (X_GLXCreateContext)
Serial number of failed request: 32
Current serial number in output stream: 34
Any ideas?