[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=53111

--- Comment #4 from Alexandre Demers <alexandre.f.demers at gmail.com> 2012-08-06 14:42:39 UTC ---
(In reply to comment #3)
> FWIW, r600.tests should no longer be used in favour of quick-driver.tests. I
> assume it still happens with the latter though, so here's some debugging tips:
> 
> For isolating a single piglit test that locks up, it may help to run
> piglit-run.py with -c 0 to prevent several tests from running in parallel.
> 
> For isolating the cause of a lockup, it may help to add some debugging output
> about virtual addresses to the r600g driver, and compare that to the fault
> address in the VM_CONTEXT1_PROTECTION_FAULT_ADDR register.

Your info will be helpful for piglit tests, I'll try that later. For the debug
calls, I'll let someone else propose a patch so it is at the right spot.

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