[Bug 66942] Cayman HD 6950 hangs at start when loading kernel 3.11.0-rc1 or drm-next

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66942

--- Comment #21 from Alexandre Demers <alexandre.f.demers at gmail.com> ---
(In reply to comment #18)
> (In reply to comment #17)
> > Alex, is there a chance for me to reverse some commits prior to 69e0b57 to
> > find which one or which feature is hanging my computer? Any approach I
> > should try?
> 
> I'm not really sure what would have broken your system.  I also don't really
> see how 69e0b57 could have broken anything since nothing changes with that
> as long as dpm is disabled.  Do you still have the issue if you reset your
> tree to the commit prior to 69e0b57?  Do you still get hangs if you disable
> radeon (e.g., add radeon.modeset=0 to your kernel command line in grub)?

I'll have to test when I'll get home, but I rebuilt a rc3 yesterday night and I
made sure to make it clean. I'll see if this helps. I'll also go back just
prior to 69e0b57 if it doesn't help. Finally, I'll play with the init and
disable some options just in case. Who knows what might help.

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