linux-kernel - Re: 2.6.20-rc3 regression: suspend to RAM broken on Mac mini Core Duo

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Message-ID: <20070108210428.GA7199@dose.home.local>
Date:	Mon, 8 Jan 2007 22:04:28 +0100
From:	Tino Keitel <tino.keitel@...ei.de>
To:	Adrian Bunk <bunk@...sta.de>
Cc:	Lee Revell <rlrevell@...-job.com>, linux-kernel@...r.kernel.org
Subject: Re: 2.6.20-rc3 regression: suspend to RAM broken on Mac mini Core Duo

On Mon, Jan 08, 2007 at 00:44:45 +0100, Adrian Bunk wrote:
> On Sun, Jan 07, 2007 at 11:27:06PM +0100, Tino Keitel wrote:
> > On Sun, Jan 07, 2007 at 21:04:53 +0100, Tino Keitel wrote:
> > > On Sun, Jan 07, 2007 at 13:23:13 -0500, Lee Revell wrote:
> > > > On Sun, 2007-01-07 at 16:17 +0100, Tino Keitel wrote:
> > > > > No information about the device/driver that refuses to resume.
> > > > 
> > > > You should be able to identify the problematic driver by removing each
> > > > driver manually before suspending.
> > > 
> > > I can not reproduce it anymore, resume now works. I really hope that it
> > > will stay so.
> > 
> > It didn't. It looks like it is unusable, becuase it isn't reliable in
> > 2.6.20-rc3.
> 
> Is this issue still present in -rc4?

I used 2.6.20-rc4 in single user mode, and applied 2 patches from
netdev to get wake on LAN support. This way I was able to set up an
automatic suspend/resume loop. It looked good, but after e.g. 20
minutes, the resume hang. So it is reproduceable with 2.6.20-rc4.
Unfortunately, I can not test the same with 2.6.18, as the wake on LAN
patches need 2.6.20-rc.

Regards,
Tino
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