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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Len Brown <lenb@kernel.org>,
	ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>,
	John Brown <john.brown3@hp.com>
Subject: Re: [PATCH] ACPI suspend: Blacklist HP xw4600 Workstation for old code ordering
Date: Wed, 15 Oct 2008 23:20:05 +0200	[thread overview]
Message-ID: <200810152320.06167.rjw@sisk.pl> (raw)
In-Reply-To: <20081015141526.GA5633@srcf.ucam.org>

On Wednesday, 15 of October 2008, Matthew Garrett wrote:
> On Wed, Oct 15, 2008 at 04:05:35PM +0200, Rafael J. Wysocki wrote:
> > On Wednesday, 15 of October 2008, Matthew Garrett wrote:
> > > I think trying to work out what would be more useful than just adding it to
> > > a blacklist. 
> > 
> > Well, machines that require the "old" ordering are simply broken, because
> > you just can't assume that specific devices are not in D3 before you
> > execute _PTS.
> > 
> > IOW, we aren't doing anything wrong and the BIOS is buggy.
> 
> So how does Windows cope with this?

I don't know. :-(

One possible explanation is that the device causing the trouble is not put
into D3 at all during suspend, but I'm speculating here.

Thanks,
Rafael

  parent reply	other threads:[~2008-10-15 21:16 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-14 20:54 [PATCH] ACPI suspend: Blacklist HP xw4600 Workstation for old code ordering Rafael J. Wysocki
2008-10-15  8:58 ` Matthew Garrett
2008-10-15 14:05   ` Rafael J. Wysocki
2008-10-15 14:15     ` Matthew Garrett
2008-10-15 20:35       ` Brown, John M (WGBU R&D)
2008-10-15 21:49         ` Len Brown
2008-10-15 22:00           ` Rafael J. Wysocki
2008-10-16 17:01             ` Brown, John M (WGBU R&D)
2008-10-16 19:31               ` Len Brown
2008-10-15 21:20       ` Rafael J. Wysocki [this message]
2008-11-22 11:11         ` Carlos Corbacho
2008-11-22 12:56           ` Rafael J. Wysocki
2008-10-16  9:13   ` Pavel Machek
2008-10-16  9:12 ` Pavel Machek
     [not found] <fa./6DR3VeG3JltQZvwctIdnZpBOO8@ifi.uio.no>
     [not found] ` <fa.TMVI/3KJQDTBIWAfYmLw01GczF4@ifi.uio.no>
     [not found]   ` <fa./GCX/x0zwCB6BIEvtQehNpVDSVk@ifi.uio.no>
     [not found]     ` <fa.MkpTJy5Iw9ZR3PXWpugQeK5oN1o@ifi.uio.no>
2008-10-17  4:07       ` Robert Hancock

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