Date: Mon, 7 Jun 2004 18:26:20 +0200
From: Pavel Machek <pavel@ucw.cz>
To: Sebastian Kloska <kloska@scienion.de>
Cc: Keith Duthie <psycho@albatross.co.nz>, linux-kernel@vger.kernel.org
Subject: Re: APM realy sucks on 2.6.x
Message-ID: <20040607162620.GA817@atrey.karlin.mff.cuni.cz>
References: <40C0E91D.9070900@scienion.de> <20040607123839.GC11860@elf.ucw.cz> <40C46F7F.7060703@scienion.de> <Pine.LNX.4.53.0406080228110.27816@loki.albatross.co.nz> <40C47FEE.6080505@scienion.de> <20040607145116.GE1467@elf.ucw.cz> <40C48519.6010703@scienion.de>
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Hi!

> >>Does this bug freeze the machine ? Or just block
> >>the outputting program ?
> >>
> >>PCM will be the next to look at...
> >
> >
> >Drop all non-important hw. That's everything but keyboard, VGA and
> >harddrive...
> >
>    Already did that and APM suspends/resumes fine. That gives
>   me hope to at least pinpoint the bad behaving module/driver....

Okay, then its easy. Find offending driver; removing its
suspend/resume routine should work it around for you.

Solving this properly will be slightly harder; it involves finding
what the driver did wrong. You might want to call the driver's
suspend/resume routine repeatedly without really suspending to see if
it breaks something.
								Pavel
-- 
Horseback riding is like software...
...vgf orggre jura vgf serr.
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