[Pm-utils] [PATCH 6/7] This patch adds framebuffer console handling routines.

Victor Lowther victor.lowther at gmail.com
Wed Feb 13 11:17:33 PST 2008

On Wed, Feb 13, 2008 at 07:50:06PM +0100, Stefan Seyfried wrote:
> Victor Lowther wrote:
> > My system is a Dell Latitude D820 with the nvidia 7400 go.  They also
> > shipped with intergrated Intel video.  You cannot tell the difference
> > looking just at system model and BIOS revision.  In my system, the
> > default whitelist applies the wrong quirks every time and without
> > overriding the whitelist supplied settings my system will die on resume
> > every time when the card gets POSTed.  Submitting a whitelist update
> > would be guaranteed to break other systems in the field, because the
> > whitelist does not look at what video card the system is actually using,
> > which (these days) is the single biggest source of suspend/resume
> > glitches.
> This is a known problem and i am deliberately not adding such features
> (whitelisting based on PCI IDs etc) to s2ram since i also believe that there
> should be only one place for the whitelist and it seems that most people think
> that this place is HAL.

Well, it is good that it is a recognized problem.  Now, how to make it
dead simple to submit new whitelist entries to HAL...
> > The same holds true for any portable system that can be purchased with
> > different models of video card.
> > 
> > I would prefer a whitelist that actually looks at the installed video
> > card(s) and the driver(s) those cards are using before applying quirks.
> > 
> > Without fixing that flaw, arguing the benefits of using s2ram vs.
> > vbetool to run quirk workarounds is a waste of electrons from my
> > perspective.
> Nobody proposed to use the s2ram whitelist, just the "mechanics" that it provides.
> BTW: it would probably be pretty trivial to make s2ram invoke tuxonice if
> somebody showed me the spec (a.k.a. "what do i need to do to invoke suspend to
> ram with tuxonice) instead of invoking the normal in-kernel suspend.

Well, Nigel has been known to occasionally show up here, and he could
definitly work out how to make that happen with you.

> >> Why is it that all of the instruments seeking intelligent life in the
> >> universe are pointed away from Earth?
> -- 
> Stefan Seyfried
> R&D Team Mobile Devices            |              "Any ideas, John?"
> SUSE LINUX Products GmbH, Nürnberg | "Well, surrounding them's out."
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> SUSE Linux Products GmbH, GF: Markus Rex, HRB 16746 (AG Nürnberg)

Victor Lowther
Ubuntu Certified Professional

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