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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: "Pascal Terjan" <pterjan@mandriva.com>
Cc: "linux-kernel" <linux-kernel@vger.kernel.org>
Subject: Re: pm_op(): pci_pm_restore+0x0/0x70 returns -16
Date: Wed, 29 Oct 2008 22:30:07 +0100	[thread overview]
Message-ID: <200810292230.07709.rjw@sisk.pl> (raw)
In-Reply-To: <e8ca35370810281938y38daaa5fo581817264a8959db@mail.gmail.com>

On Wednesday, 29 of October 2008, Pascal Terjan wrote:
> On Wed, Oct 29, 2008 at 12:18 AM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> > On Tuesday, 28 of October 2008, Pascal Terjan wrote:
> >> Since I updated my laptop (Thikpad T40) to 2.6.27-rc5 and all new
> >> kernels until 2.6.27.3 (was using 2.6.25 before), I get this at resume
> >> time after hibernation :
> >>
> >> Oct 28 10:39:18 plop kernel: pm_op(): pci_pm_restore+0x0/0x70 returns
> >> -16
> >> Oct 28 10:39:19 plop kernel: PM: Device 0000:00:00.0 failed to restore:
> >> error -16
> >>
> >> This may or may not be related to resume issues I often get.
> >>
> >> Sometimes it still work fine, sometimes it panics but I can't get any
> >> log, sometimes I get back to X but without USB mouse, without keyboard
> >> and ssh not responding (sysrq still work).
> >
> > It looks like the ->restore() callback fails for your hostbridge.  It might
> > have done that before, but we've only been reporting such failures since the
> > 2.6.27 development cycle.
> >
> > Did hibernation work correctly with 2.6.25?
> 
> Yes it worked fine
> I hibernate twice a day and never got failures with old kernels while
> it now fails to resume most of the time, but other things have changed
> and I did not do any investigation (for example I switched to libata
> while switching to 2.6.27-rc).
> If this message is only additional reporting, i will try to do some more testing

Yes, this printk() got introduced in 2.6.27.

Thanks,
Rafael

      reply	other threads:[~2008-10-29 21:25 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-28 10:41 Pascal Terjan
2008-10-28 23:18 ` Rafael J. Wysocki
2008-10-29  2:38   ` Pascal Terjan
2008-10-29 21:30     ` Rafael J. Wysocki [this message]

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