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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Greg KH <greg@kroah.com>, Jesse Barnes <jbarnes@virtuousgeek.org>,
	Zhenyu Wang <zhenyuw@linux.intel.com>,
	Dave Airlie <airlied@redhat.com>,
	Linux-pm mailing list <linux-pm@lists.linux-foundation.org>,
	Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: Suspend problems in 2.6.31-rc6
Date: Wed, 19 Aug 2009 23:22:25 +0200	[thread overview]
Message-ID: <200908192322.25261.rjw@sisk.pl> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0908191022390.3001-100000@iolanthe.rowland.org>

On Wednesday 19 August 2009, Alan Stern wrote:
> On Wed, 19 Aug 2009, Rafael J. Wysocki wrote:
> 
> > > Commenting out the second call to pci_restore_state() apparently fixes 
> > > the problem.  I have no idea whether it's the right thing to do, 
> > > though.
> > 
> > It is.  The PCI core have restored the PCI config already anyway at the early
> > resume stage.
> > 
> > I think the first pci_restore_state() could be dropped from there as well.
> 
> What about the other AGP drivers in drivers/char/agp?  Looks like their
> suspend and resume routines could all use some updating.

As well as many other drivers. :-)

Usually, however, restoring the PCI config space twice doesn't hurt, although
it evidently does hurt on your system.

Hm, there's a patch that should help here I think.  Can you please test
this one: http://patchwork.kernel.org/patch/40062/ ?

Best,
Rafael

  reply	other threads:[~2009-08-19 21:22 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-17 15:11 Suspend problems in 2.6.31-rc6 Alan Stern
2009-08-17 18:28 ` Rafael J. Wysocki
2009-08-17 20:53   ` Alan Stern
2009-08-17 21:14     ` Greg KH
2009-08-17 21:15       ` Greg KH
2009-08-17 21:31         ` Jiri Slaby
2009-08-17 21:33           ` Jiri Slaby
2009-08-17 21:21     ` Rafael J. Wysocki
2009-08-17 21:50       ` Alan Stern
2009-08-18 16:07     ` Alan Stern
2009-08-18 23:22       ` Rafael J. Wysocki
2009-08-19  2:01         ` Zhenyu Wang
2009-08-19 14:42           ` Alan Stern
2009-08-20  1:05             ` Zhenyu Wang
2009-08-20 14:03               ` Alan Stern
2009-08-21  1:17                 ` Zhenyu Wang
2009-08-20 15:34               ` Rafael J. Wysocki
2009-08-19 14:26         ` Alan Stern
2009-08-19 21:22           ` Rafael J. Wysocki [this message]
2009-08-20 15:17             ` Alan Stern
2009-08-20 16:17               ` Rafael J. Wysocki
2009-08-21  1:21               ` Zhenyu Wang
2009-08-21  3:13                 ` Zhenyu Wang
2009-08-21 14:32                   ` Alan Stern
2009-08-21 17:01                     ` Rafael J. Wysocki
2009-08-24  2:34                       ` Zhenyu Wang
2009-08-24 18:55                         ` Rafael J. Wysocki
2009-08-25  0:59                         ` Alan Stern
2009-08-27 14:51                         ` Alan Stern
2009-08-27 16:18                           ` Jesse Barnes
2009-08-24  1:30                     ` Zhenyu Wang
2009-08-20 15:41             ` Rafael J. Wysocki
2009-08-20 16:05               ` Jesse Barnes

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