Re: [REGRESSION] system does not resume from ram due to commit "drm/nv50/fifo: prevent races between clients updating playlists"

[Ben Skeggs <skeggsb@xxxxxxxxx>]

On Fri, May 31, 2013 at 11:05 PM, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote:

On Tue, May 28, 2013 at 08:55:29PM +0200, Sven Joachim wrote:
> On 2013-05-26 23:09 +0200, Maarten Maathuis wrote:
>
> > My NV96 does not resume from suspend to ram (the screen stays black, magic
> > sysrq keys do work) with the current linus git kernel, i bisected it to the
> > following commit.
> >
> > drm/nv50/fifo: prevent races between clients updating playlists
> > b5096566f6e1ee2b88324772f020ae9bc0cfa9a0
> >
> > It's not obvious to me how this causes problems, but reverting this commit
> > does solve my problem.
>
> Same here on my NV86.

And as well on this:

01:00.0 VGA compatible controller: NVIDIA Corporation G84 [GeForce 8600 GT] (rev a1)


Ben, any ideas?

I've pushed a fix[1] to my git tree.  Will pull it across to the "normal" tree once I've hunted down another regression.

Thanks,

Ben.

[1] http://cgit.freedesktop.org/~darktama/nouveau/commit/?id=d37687a562f0b55cc848cfcdbf8d473a6c692c2d

>
> Cheers,
>        Sven
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