linux-kernel - Re: Reboot hangs on VersaLogic Ocelot

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Date:	Tue, 17 Jan 2012 09:57:56 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	Michael D Labriola <mlabriol@...b.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Kushal Koolwal <kushalkoolwal@...il.com>,
	linux-kernel@...r.kernel.org, michael.d.labriola@...il.com,
	support@...salogic.com, Thomas Gleixner <tglx@...utronix.de>,
	x86@...nel.org
Subject: Re: Reboot hangs on VersaLogic Ocelot


* Matthew Garrett <mjg59@...f.ucam.org> wrote:

> On Mon, Jan 16, 2012 at 12:20:45PM -0500, Michael D Labriola wrote:

> > Actually, assuming we fix the bios= argument ignored by DMI 
> > scan problem, would it be better to change the VersaLogic 
> > quirk to acpi even though it's not necessary right now?  If 
> > the default reboot method ever switches from acpi to kbd or 
> > bios, these boards will hang on reboot again...
> 
> A lot of hardware relies on the acpi method being used. I 
> don't see us changing the default for x86 when booted via 
> BIOS.

Yeah, i don't think we'll ever again switch away from ACPI being 
the default for currently existing hardware.

(Far-)future hardware might have different defaults, but that 
won't affect hardware that exists today.

Thanks,

	Ingo
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