linux-kernel - Re: s2ram video problems Re: [Ksummit-2008-discuss] Fixing the Kernel Janitors project

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Date:	Sun, 1 Jun 2008 19:55:04 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Pavel Machek <pavel@....cz>
Cc:	James Bottomley <James.Bottomley@...senpartnership.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	David Miller <davem@...emloft.net>, tytso@....edu,
	benh@...nel.crashing.org,
	ksummit-2008-discuss@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, seife@...e.de
Subject: Re: s2ram video problems Re: [Ksummit-2008-discuss] Fixing the Kernel Janitors project

On Sunday, 1 of June 2008, Pavel Machek wrote:
> Hi!
> 
> > > Fix NOHZ/CPUIDLE along with suspend/resume on all participants
> > > laptops, which are probably 50+ different models. That'd be an odd
> > > enough mix of wreckaged hardware / BIOS / ACPI.
> > > 
> > > Should be fun and solve a bunch of hard to grok bugs in the bugzillas
> > > along the way.
> > 
> > Well ... in theory.
> > 
> > In practice, for instance, my laptop had suspend/resume working shortly
> > after I got it, and the widescreen video too.  Most of the problems were
> > video related, so I did interact with the upstream intel video driver
> > people, but by and large it was a set of black magic rules to restore
> > the video to its prior state (in my case, even the vbe tools didn't work
> > and I had to manually save and restore the pci config space).
> 
> that's s2ram -v, right? Can you submit a whitelist entry so it starts
> working for other people, too?

No, that won't work.  James uses Fedora.

Thanks,
Rafael
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