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

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Message-Id: <200611232236.58444.rjw@sisk.pl>
Date:	Thu, 23 Nov 2006 22:36:56 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Mike Galbraith <efault@....de>
Cc:	Pavel Machek <pavel@...e.cz>, 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

On Thursday, 23 November 2006 22:36, Mike Galbraith wrote:
> 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.

Is your system an i386?
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