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From: "H. Peter Anvin" <hpa@zytor.com>
To: Ingo Molnar <mingo@elte.hu>, Mel Gorman <mgorman@suse.de>
Cc: tglx@linutronix.de, bruno@ioda-net.ch, mjg@redhat.com,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86: Add reboot quirk for Dell Precision M4600
Date: Sat, 06 Aug 2011 00:01:24 -0700	[thread overview]
Message-ID: <24c471f7-80f5-4102-a12b-d6245c8d0921@email.android.com> (raw)
In-Reply-To: <20110806065635.GE13220@elte.hu>

Ingo Molnar <mingo@elte.hu> wrote:

>
>* Mel Gorman <mgorman@suse.de> wrote:
>
>> ACPI reboot does not work for Dell Precision M4600. Detect this
>> machine via DMI and force the use of the PCI reboot method.
>>     
>> Reported-and-tested-by: Bruno Friedmann <bruno@ioda-net.ch>
>> Signed-off-by: Mel Gorman <mgorman@suse.de>
>> ---
>>  arch/x86/kernel/reboot.c |    9 +++++++++
>>  1 files changed, 9 insertions(+), 0 deletions(-)
>
>Weird - ACPI is the default Windows method of reboot - how come it 
>does not work on that box? Does Windows work around this specific 
>machine (unlikely), or is our ACPI boot sequence not 100% compatible 
>with the Windows method (more likely IMO)?
>
>Thanks,
>
>	Ingo

It seems almost all the affected machines are Dell, too... very odd, no?
-- 
Sent from my mobile phone. Please excuse my brevity and lack of formatting.

  reply	other threads:[~2011-08-06  7:02 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-27 12:56 Mel Gorman
2011-08-06  6:56 ` Ingo Molnar
2011-08-06  7:01   ` H. Peter Anvin [this message]
2011-08-06 15:31     ` Len Brown
2011-08-06 18:18       ` Bruno Friedmann
2011-08-06 15:30   ` Matthew Garrett
2011-08-08 16:40     ` H. Peter Anvin
2011-08-08 22:49       ` Bruno Friedmann
2011-08-09 11:26       ` Bruno Friedmann
2011-08-09 15:02         ` Ingo Molnar
2011-08-09 16:20           ` Bruno Friedmann
2011-08-08 14:57   ` Mel Gorman

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