From: Avi Kivity <avi@qumranet.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
Robert Hancock <hancockr@shaw.ca>,
Carlos Corbacho <carlos@strangeworlds.co.uk>,
pm list <linux-pm@lists.linux-foundation.org>,
"H. Peter Anvin" <hpa@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Greg KH <gregkh@suse.de>, Ingo Molnar <mingo@elte.hu>,
Thomas Gleixner <tglx@linutronix.de>, Len Brown <lenb@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: x86: Increase PCIBIOS_MIN_IO to 0x1500 to fix nForce 4 suspend-to-RAM
Date: Wed, 26 Dec 2007 09:23:25 +0200 [thread overview]
Message-ID: <4772016D.30900@qumranet.com> (raw)
In-Reply-To: <alpine.LFD.0.9999.0712252023290.21557@woody.linux-foundation.org>
Linus Torvalds wrote:
>
>> IMO, we should check which version of the specification we're supposed to
>> follow, on the basis of FADT contents, for example, and follow this one.
>>
>
> No, we should try to figure out what Windows does. *If* windows checks the
> version, we should do that too. But we should absolutely *not* just assume
> that the documentation is an accurate picture of reality.
>
> Does anybody know how we could find out?
>
>
Run it in a virtual machine, with the ACPI methods of interest wired to
output to some port, and log that I/O port in the monitor/emulator.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
next prev parent reply other threads:[~2007-12-26 7:24 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.Tr7qmPdet0rF2FSRX/94s2UEMSE@ifi.uio.no>
[not found] ` <fa.n/XQFa64Zg8snHoyB/rrKzCvAL0@ifi.uio.no>
2007-12-24 16:59 ` [Bug 9528] x86: Increase PCIBIOS_MIN_IO to 0x1500 to fix nForce 4 suspend-to-RAM Robert Hancock
[not found] ` <fa.5MPS0t6OtOOALbc90ywKDrtik+4@ifi.uio.no>
[not found] ` <fa.zg2cR0292Evub+o7LgQUdg4A7ZM@ifi.uio.no>
[not found] ` <fa.ZBHAMdWAEaW7Flaz8/Gc8PLZUNg@ifi.uio.no>
2007-12-24 22:40 ` Robert Hancock
2007-12-25 0:03 ` Carlos Corbacho
2007-12-25 2:41 ` ACPI: _PTS ordering needs fixing for pre ACPI 3.0 systems (was: Re: x86: Increase PCIBIOS_MIN_IO to 0x1500 to fix nForce 4 suspend-to-RAM) Carlos Corbacho
2007-12-25 13:36 ` Rafael J. Wysocki
2007-12-25 14:07 ` Rafael J. Wysocki
2007-12-25 13:52 ` Carlos Corbacho
2007-12-25 13:26 ` x86: Increase PCIBIOS_MIN_IO to 0x1500 to fix nForce 4 suspend-to-RAM Rafael J. Wysocki
2007-12-25 13:12 ` Carlos Corbacho
2007-12-25 14:11 ` Rafael J. Wysocki
2007-12-25 17:17 ` Robert Hancock
2007-12-25 18:26 ` Rafael J. Wysocki
2007-12-26 4:29 ` Linus Torvalds
2007-12-26 5:13 ` Robert Hancock
2007-12-26 7:23 ` Avi Kivity [this message]
[not found] ` <fa.WvaVh83zJOh/eZUrjQOZy4J8JFk@ifi.uio.no>
[not found] ` <fa.VsyhBr+FAHB0bTb9poSZS80xN/0@ifi.uio.no>
[not found] ` <fa.XycBwhGuyvtVl/QW5HONqLwOags@ifi.uio.no>
2007-12-27 18:07 ` Suspend code ordering (again) Robert Hancock
2007-12-27 20:00 ` Rafael J. Wysocki
2007-12-28 0:25 ` Robert Hancock
2007-12-28 5:41 ` Linus Torvalds
2008-01-08 3:03 ` Shaohua Li
[not found] <200712231419.40207.carlos@strangeworlds.co.uk>
2007-12-23 16:30 ` x86: Increase PCIBIOS_MIN_IO to 0x1500 to fix nForce 4 suspend-to-RAM Rafael J. Wysocki
2007-12-23 17:57 ` Ingo Molnar
2007-12-23 18:00 ` Linus Torvalds
2007-12-23 22:20 ` Rafael J. Wysocki
2007-12-23 23:12 ` H. Peter Anvin
2007-12-24 0:09 ` Carlos Corbacho
2007-12-24 0:56 ` Linus Torvalds
2007-12-24 1:14 ` Linus Torvalds
2007-12-24 3:05 ` Carlos Corbacho
2007-12-24 13:44 ` Rafael J. Wysocki
2007-12-24 18:34 ` Linus Torvalds
2007-12-24 21:53 ` Carlos Corbacho
2007-12-25 12:12 ` Pavel Machek
2007-12-25 12:28 ` Carlos Corbacho
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