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Open Source and information security mailing list archives
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Date: Thu, 6 Nov 2008 23:24:19 +0000 From: Matthew Garrett <mjg@...hat.com> To: Len Brown <lenb@...nel.org> Cc: Andrey Borzenkov <arvidjaar@...l.ru>, Ingo Molnar <mingo@...e.hu>, Eduardo Habkost <ehabkost@...hat.com>, Avi Kivity <avi@...hat.com>, "Eric W. Biederman" <ebiederm@...ssion.com>, Andrew Morton <akpm@...l.org>, "Rafael J. Wysocki" <rjw@...k.pl>, kexec@...ts.infradead.org, kvm@...r.kernel.org, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, linux-acpi@...r.kernel.org Subject: Re: [PATCH 15/15] Revert "x86: default to reboot via ACPI" On Thu, Nov 06, 2008 at 05:17:25PM -0500, Len Brown wrote: > > Does Windows default to using the ACPI method now? > > That is my guess, based on the fact that we've seen > newer machines that don't reboot w/o using the ACPI reset reg. We've seen machines that won't reboot for a variety of reasons in the past. In some cases this has seemed to be due to hardware being in a state that the BIOS didn't expect. Hitting the SMI trap behind the ACPI register might work around this, but I suspect that in many cases we could achieve the same effect by spending more time trying to work out whether there's any common themes in the failures. -- Matthew Garrett | mjg59@...f.ucam.org -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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