[Bug 100465] Hard lockup with radeonsi driver on FirePro W600, W9000 and W9100

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100465

--- Comment #5 from Alex Deucher <alexdeucher at gmail.com> ---
(In reply to joro-2013 from comment #4)
> I've noticed the same difference on my ancient mac mini G4 with a humble
> RV280 GPU. I try to boot it in AGP mode from time to time after applying
> some patches, just for fun. Before i would see some GPU lockup-resetting
> stuff (it always locks up after some time and never recovers) in kern.log,
> lately it just locks up and there's nothing in the logs.

I think the problem is your case is AGP and Mac.  AGP is notoriously unreliable
and the Apple northbridge had additional coherency problems.

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