linux-kernel - Re: Regression in 2.6.28-rc and 2.6.27-stable

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Message-ID: <b637ec0b0811260019q38564411qf586282984236e22@mail.gmail.com>
Date:	Wed, 26 Nov 2008 09:19:20 +0100
From:	"Fabio Comolli" <fabio.comolli@...il.com>
To:	"Stefan Richter" <stefanr@...6.in-berlin.de>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Jay Fenlason" <fenlason@...hat.com>
Subject: Re: Regression in 2.6.28-rc and 2.6.27-stable - hibernate related

Hi

On Wed, Nov 26, 2008 at 2:03 AM, Stefan Richter
<stefanr@...6.in-berlin.de> wrote:
> Rafael J. Wysocki wrote:
>> Also, on a possibly related note, I've just found a report from a Mac Mini user
>> who told me his machine hanged during resume from hibernation if his external
>> firewire drive was connected to the port.  He worked around the problem by
>> switching to the new firewire stack that worked for him.
>
> The above bisection result is about the new stack = drivers/firewire/.
> The old stack is drivers/ieee1394/ and I prefix all its changes with
> "ieee1394:".
>
> Of course the old stack is supposed to hibernate + restore properly too.
> I personally tested only suspend + resume though, and that's quite long
> ago...

FWIW, I don't own any firewire devices, I only compiled the stack to
see if the port was recognised by the kernel. So nothing has ever be
connected to that port.

I haven't reproduced the problem so far without the drivers compiled
in (and with the debug option you suggested). I'll post some more info
in a few days.

> --
> Stefan Richter
> -=====-==--- =-== ==-=-
> http://arcgraph.de/sr/
>

Regards,
Fabio
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