Re: [PATCH] x86/ACPI: Make Sony Vaio Z1 series to use "reboot=pci" default

[Rafael J. Wysocki]

On Friday, October 25, 2013 10:43:00 AM Adam Williamson wrote:
> On Fri, 2013-10-25 at 18:16 +0100, Linus Torvalds wrote:
> > On Fri, Oct 25, 2013 at 5:47 PM, Adam Williamson <awilliam@xxxxxxxxxx> wrote:
> > >
> > > I don't, but one comment I could add is that reboot _used_ to work okay
> > > on the Z1. And I _think_ it's worked OK since the April 2011 commit you
> > > mention (so the introduction of that didn't break it), but I can't
> > > absolutely swear to it.
> > 
> > It might be interesting to try, and if it used to work with the acpi
> > method, use bisection to see when it stopped working..
> 
> Yeah, I knew that'd be the reply :) I'll try and dig out some old kernel
> builds from Koji and see if I can at least pinpoint when it last worked,
> and if it really _was_ after the ACPI method landed.

This is a shot in the dark, but can you also please check if booting 3.12-rc6
with acpi_osi="!Windows 2012" on the affected machine makes any difference?

Rafael

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