[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 #3 from Michel Dänzer <michel at daenzer.net> 2012-08-06 13:27:48 UTC ---
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.

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