[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 #2 from Jean Delvare <khali at linux-fr.org>  2012-07-03 15:27:00 ---
With 3.5-rc5 kernel (failing) :

0x98F4    0x00000001 (1)
0x3F88    0x00000001 (1)
0x9B7C    0x00000000 (0)
0x8950    0xfffcf001 (-200703)
0x98FC    0x00000000 (0)

With commit 416a2bd2 reverted (working) :

0x98F4    0x00000001 (1)
0x3F88    0x00000001 (1)
0x9B7C    0x00fe0000 (16646144)
0x8950    0xfffcf001 (-200703)
0x98FC    0x00000000 (0)

So, value of register GC_USER_RB_BACKEND_DISABLE (0x9B7C) differs.

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