linux-kernel - Re: Resume after hibernation regression in 2.6.29

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Date:	Thu, 26 Mar 2009 22:35:29 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Pavel Machek <pavel@....cz>
Cc:	"Tvrtko A. Ursulin" <tvrtko@...ulin.net>,
	linux-pm@...ts.linux-foundation.org,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: Resume after hibernation regression in 2.6.29

On Thursday 26 March 2009, Pavel Machek wrote:
> On Thu 2009-03-26 20:55:23, Tvrtko A. Ursulin wrote:
> > On Thursday 26 March 2009 20:18:40 Pavel Machek wrote:
> > > On Thu 2009-03-26 19:20:32, Tvrtko A. Ursulin wrote:
> > > > Hi guys,
> > > > I have been running custom compiled 2.6.28.7 in OpenSUSE 11.1 and using
> > > > hiberation/resume daily as configured by the distro. Yesterday I upgraded
> > > > to 2.6.29 (make oldconfig from 2.6.28.7, attached) and after resume
> > > > networking (at least) does not work. Reboot at this point takes very long
> > > > because of timeouts on CIFS and whatelse.
> > > >
> > > > Below is how /var/log/messagess looks for one cycle
> > > > (hibernate-resume-reboot) and I am also attaching kernel config and
> > > > /var/log/pm-suspend.log.
> > > >
> > > > You will probably notice evil nvidia.ko in there but don't panic, it all
> > > > happens without it as well. Tested from runlevel 3 and by running
> > > > pm-hibernate. After resume from that NIC LEDs were off. I
> > > > tried /etc/init.d/network restart but that hung so I ^C and tried rmmod
> > > > forcedeth && modprobe forcedeth && ifup eth0 and after some time network
> > > > went live again. Haven't had time to test further though, so this is all
> > > > pretty rough.
> > >
> > > Ok, can you try to rmmod forcedeth before hibernation, then insmod it
> > > after resume?
> > 
> > Sure, after insmod and /etc/init.d/network start following resume network was 
> > fine. Guess I could kludge that sequence into pm scripts somehow but would 
> > rather avoid that since it slows down the cycle and would make scripts 
> > non-stock.
> 
> Ok, I guess you need to talk to forcedeth maintainers then... sounds
> like a forcedeth problem to me.

I have a box with forcedeth somewhere here, I should be able to check that
in the next few days.

Thanks,
Rafael
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