linux-kernel - Re: [linux-usb-devel] 2.6.18-rc6-mm1 (-mm2): ohci resume problem

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Date:	Wed, 13 Sep 2006 23:32:56 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Mattia Dongili <malattia@...ux.it>, Andrew Morton <akpm@...l.org>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	USB development list <linux-usb-devel@...ts.sourceforge.net>
Subject: Re: [linux-usb-devel] 2.6.18-rc6-mm1 (-mm2): ohci resume problem

On Wednesday, 13 September 2006 23:01, Alan Stern wrote:
> On Wed, 13 Sep 2006, Rafael J. Wysocki wrote:
> 
> > > The patch below will add some extra debugging information.  We need to
> > > find out why the resume didn't succeed.  Oh -- and of course, you should
> > > reinstate all those autosuspend patches.  Otherwise this patch won't 
> > > apply!
> > 
> > OK
> > 
> > Attached is a dmesg output from 2.6.18-rc6-mm2 with the patch applied.
> > It covers two consecutive attempts to suspend (the second one obviously
> > failed).
> 
> Hmm... The patch didn't yield any output.  Unlike Mattia's log, yours
> doesn't include any lines saying "usb usb1: wakeup_rh" so I can't be sure
> whether the patch code should have run or not.
> 
> Try this patch instead.  It looks for problems occurring a little earlier 
> in the call chain.

I've applied both patches at a time (I hope they don't conflict).

The dmesg output is attached.

Greetings,
Rafael


-- 
You never change things by fighting the existing reality.
		R. Buckminster Fuller

Download attachment "dmesg-debug-2.log.gz" of type "application/x-gzip" (14973 bytes)