[Bug 69723] GPU lockups with kernel 3.11.0 / 3.12-rc1 when dpm=1 on r600g (Cayman)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=69723

--- Comment #78 from Alexandre Demers <alexandre.f.demers at gmail.com> ---
(In reply to comment #77)
> (In reply to comment #76)
> >
> > Since my last cold boot, I tried with unlimited clocks (reverted previous
> > patches) with hangs almost at start. I tried again with stock 3.13-rc3 with
> > spread spectrum disabled, and I also hit hangs when testing (without having
> > to push the video card with heavy tests). So, for me, disabling spread
> > spectrum may sometimes help, but it is not a real solution to this bug.
> > 
> > Sorry for bringing bad news.
> 
> Make sure you try on a cold boot.

I had already done it and from what I could see until now, it doesn't change
anything if it is a cold or a hot boot. Just in case, after your comment, I did
it again and it still ended hung (3.13-rc3 with all spread spectrum disabled).
It happened before that my system would not hang for some reason once in many
boots, maybe that's what happened.

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