Re: [PATCH] x86: Add reboot quirk for Dell Precision M4600

H. Peter Anvin
2011-08-06T07:02:17Z

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?
--
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