Re: Samsung P35, S3, black screen (radeon)

Pavel Machek
2005-02-05T09:45:41Z

Hi!

> > > > battery does not run out, you just do resume-from-RAM"? Wow. Nice
> > > > trick...
> > > >
> > > > But it has same video problems as suspend-to-RAM, no? On how many
> > > > machines does it work?
> > >
> > > Yes, the same problems as suspend-to-RAM. I'm not sure how many machines
> > > are using it at the moment. I'd love to try it on my laptop; that would
> > > be one more, and I'd also try to get STR working on my HT desktop
> > > machine (Radeon video) if I had the chance. Oh yeah... and I'm going to
> > > have another go at merging. Get the idea I've got a lot I want to do? :>
> >
> > Actually, getting STR work on SMP/HT machine is going to be quite a
> > lot of work -- because you need to boot secondary CPUs without
> > touching contents of RAM. I hoped CPU hotplug people or Intel ACPI
> > people were going to solve it for me, but unfortunately that did not
> > happen :-(.
>
> Zwane is working on CPU hotplug. I'm assuming I'll be able to rely on
> his work. He said the other day he was up to testing on x86-64. Are you
> meaning you just haven't seen the code in action, or that you've found
> some reason that hotunplugging won't work?

Last time I checked (long time ago) he did not really put CPU back to
real mode on "unplug"; he just made it spin in protected mode. You can
use his framework, but you really need to boot the cpu from real
mode....
Pavel
--
People were complaining that M$ turns users into beta-testers...
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