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Subject: Re: 2.6.25-rc6 hangs at resume after suspend to RAM on Mac mini
	Core Duo
From: Soeren Sonnenburg <kernel@nn7.de>
To: Tino Keitel <tino.keitel@gmx.de>
Cc: Alan Stern <stern@rowland.harvard.edu>, Pavel Machek <pavel@ucw.cz>,
       linux-usb@vger.kernel.org, "Rafael J\. Wysocki" <rjw@sisk.pl>,
       Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org,
       Len Brown <lenb@kernel.org>
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Date: Wed, 02 Apr 2008 22:37:10 +0200
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On Wed, 2008-04-02 at 21:47 +0200, Tino Keitel wrote:
> On Wed, Apr 02, 2008 at 15:26:44 -0400, Alan Stern wrote:
> > On Tue, 1 Apr 2008, Tino Keitel wrote:
> > 
> > > On Tue, Apr 01, 2008 at 17:02:36 -0400, Alan Stern wrote:
> > > > On Tue, 1 Apr 2008, Tino Keitel wrote:
> > > > 
> > > > > On Tue, Apr 01, 2008 at 15:06:51 -0400, Alan Stern wrote:
> > > > > 
> > > > > [...]
> > > > > 
> > > > > > Can you get any information out of the computer after the hang?  It 
> > > > > > would help to see the dmesg log (with CONFIG_USB_DEBUG enabled) and an 
> > > > > > Alt-SysRq-T stack dump.
> > > > > 
> > > > > Looks difficult. The text console stays black after resume, and there
> > > > > is no serial interface.
> > > > 
> > > > Network console?  SSH?  Or even telnet?
> > > 
> > > Network is dead, too.
> > 
> > Tino, try this patch.  It fixed Mark Lord's problem, which looked the 
> > same as yours.
> 
> Fine, it seems to solve the hang, I see no problems after the resume.
> Thanks a lot.

Using this patch fixes the hang for my macbookpro1,1 too. However the
console stays black after resume, though I can s2ram multiple times and
reboot...

Soeren