Re: [patch] PM: suspend/resume debugging should depend on SOFTWARE_SUSPEND

Mike Galbraith
2006-11-23T21:34:37Z

On Thu, 2006-11-23 at 13:39 +0000, Pavel Machek wrote:
> Hi!
>
> > > > > Sane people use suspend-to-ram, and that's when you need the suspend and
> > > > > resume debugging.
> > > >
> > > > Here I am wishing I had the _opportunity_ to be sane. With my ATI X850
> > > > AGP card, I have no choices except swsusp or reboot.
> > >
> > > Have you tried s2ram (http://en.opensuse.org/S2ram)?
> >
> > Cool. That shows potential. On an 2.6.19-rc6-rt4 kernel, it looked
> > like it _might_ have eventually gotten past boot. At one line of kernel
> > output every ~10 seconds though, I gave up. Virgin 2.6.19-rc6 went
> > panic with a black screen... have options, will tinker.
>
> Try that -rt kernel, but turn off dyntick/hires timers. Also try
> hitting keyboard while resuming.

Hmm, I'll try that. Interesting (read odd from my perspective) that the
rt kernel gets much further. This is pretty hard to look at.