linux-kernel - Re: How to interpret PM

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Message-ID: <20061220161903.GB4261@ucw.cz>
Date:	Wed, 20 Dec 2006 16:19:04 +0000
From:	Pavel Machek <pavel@...e.cz>
To:	linux-kernel@...r.kernel.org
Subject: Re: How to interpret PM_TRACE output

Hi!

> > > I tried PM_TRACE to find the driver that breaks resume from suspend.
> > > I got working resume until I switched to the sk98lin driver
> > > (because sky2 doesn't support wake on LAN). That's why I was quite sure that
> > > sk98lin is the culprit, but I tried PM_TRACE anymay.
> > 
> > See Doc*/power/*.
> 
> There is a nice mixture of documentation about swusp, video stuff,
> developer documentation, and one short paragraph about PM_TRACE that
> tells me nothing new. Could you point me to the documentation part that
> you are referring to, and that tells me what to do if PM_TRACE shows
> the usb device but the failure only occurs when I load the sk98lin
> driver?

Hmmm, so it fails somewhere in usb only if sk98lin is loaded? If you
unload it again, resume works? Are usb interrupts shared? Where
exactly in the usb does it fail?
-- 
Thanks for all the (sleeping) penguins.
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