linux-kernel - Re: [patch] PM: suspend/resume debugging should depend on SOFTWARE

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Message-ID: <20061123133904.GD5561@ucw.cz>
Date:	Thu, 23 Nov 2006 13:39:05 +0000
From:	Pavel Machek <pavel@...e.cz>
To:	Mike Galbraith <efault@....de>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linus Torvalds <torvalds@...l.org>,
	Chuck Ebbert <76306.1226@...puserve.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>
Subject: Re: [patch] PM: suspend/resume debugging should depend on SOFTWARE_SUSPEND

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.

-- 
Thanks for all the (sleeping) penguins.
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