[Bug 68571] GPU lockup on AMD Radeon HD6850 with DPM=1

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=68571

--- Comment #83 from Michel Dänzer <michel at daenzer.net> ---
(In reply to Weber K. from comment #81)
> And since I put this in grub.cfg and fstab, never had a black screen again:
>   rootflags=relatime,lazytime,commit=60 iommu=noagp radeon.dpm=1

It could be iommu=noagp, at least that would make more sense than filesystem
flags...

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