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

Ingo Molnar
2011-08-06T06:57:39Z

* 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