[Bug 19002] Radeon rv730 AGP/KMS/DRM kernel lockup

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https://bugzilla.kernel.org/show_bug.cgi?id=19002





--- Comment #15 from Holger Lenz <hol...@on...>  2010-12-13 19:56:36 ---
Did some more homework:
Compiled kernel 2.6.37 rc5, taking care to enable KMS (new driver) by setting
DRM_MODESET_KMS=ON.
Unpatched and patched drivers show the same behavior:
1. Boot without nomodeset in the kernel cmd line: Blank screen before X is
fully loaded.
2. Boot with nomodeset in the kernel cmd line: X loads with radeon/R600 classic
driver is is reasonably quick in 2D, but a lockup occurs sooner or later.
Switching from X to fb terminal usually does the trick quickly. The patched
driver seems to lock up more quickly.
Any ideas what I could do to help you fix the bug?
Hardware is similar to Duncans: AMD K8, VIA K8T800 chipset, Radeon HD 4650 AGP
(RV730)

Cheers Holger

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