Re: [ibm-acpi-devel] [PATCH] Remove 9 second reboot delay onLenovo T400/T500

From: Matthew Garrett
Date: Fri Jul 16 2010 - 21:27:53 EST


On Fri, Jul 16, 2010 at 10:23:04PM -0300, Henrique de Moraes Holschuh wrote:

> I'm confused. Is it the PCI reboot vector, or the ACPI reboot vector
> that acts instantly? The bug reporters say that they use reboot=pci to
> have instant reboot, in this thread...

The PCI one, since it's a function of the chipset. The ACPI one would
act instantly (it's the PCI one, in this case) but it's marked as
unsupported. However, the PCI one is poorly standardised - Windows never
uses it, different chips have subtly different requirements and so on.

--
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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