[Bug 44121] Reproducible GPU lockup CP stall on Radeon HD 6450

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=44121





--- Comment #8 from Alex Deucher <alexdeucher at gmail.com>  2012-07-03 18:00:24 ---
Does booting up a clean kernel without any patches applied or reverted work if
you manually set the following registers to their "patch reverted" values using
radeonreg? Just to be sure, write all of them even if the values are the same. 
Do this without X running.

0x98F4
0x3F88
0x9B7C
0x8950
0x98FC
0x8954

e.g.,
radeonreg regset 0x8950 0xfffcf001

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