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

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Message-ID: <1384818204.2584.2.camel@adam.happyassassin.net>
Date:	Mon, 18 Nov 2013 15:43:24 -0800
From:	Adam Williamson <awilliam@...hat.com>
To:	Joerg Roedel <joro@...tes.org>
Cc:	Ingo Molnar <mingo@...nel.org>,
	David Woodhouse <David.Woodhouse@...el.com>,
	Dave Jones <davej@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Lan Tianyu <tianyu.lan@...el.com>,
	Matthew Garrett <mjg@...hat.com>, Peter Anvin <hpa@...or.com>,
	the arch/x86 maintainers <x86@...nel.org>,
	Robin Holt <holt@....com>, davej@...oraproject.org,
	Len Brown <lenb@...nel.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Linux ACPI <linux-acpi@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] x86/ACPI: Make Sony Vaio Z1 series to use "reboot=pci"
 default

On Fri, 2013-11-01 at 15:02 +0100, Joerg Roedel wrote:
> On Sun, Oct 27, 2013 at 12:06:29AM -0700, Adam Williamson wrote:
> > On Sat, 2013-10-26 at 11:15 +0200, Ingo Molnar wrote:
> > >   CONFIG_IRQ_REMAP=y
> > 
> > Agh, sorry - I had this down in my mind as a boot time parameter, not a
> > compile time option. I'm off on vacation for a week in the morning, and
> > it's too late to wait around for a kernel compile tonight :/ So I'll
> > have to check this one when I get back. Sorry again.
> 
> Note, instead of recompiling the kernel, you can also pass 'intremap=off'
> on the kernel cmdline to disable interrupt remapping and test with that.

Sorry for the delay, folks - just got back to this. Booting with
'intremap=off' results in a slow reboot, i.e., doesn't fix the bug. Is
that a sufficient test, Ingo, or do you still want me to build with
CONFIG_IRQ_REMAP=n and try that?
-- 
Adam Williamson
Fedora QA Community Monkey
IRC: adamw | Twitter: AdamW_Fedora | XMPP: adamw AT happyassassin . net
http://www.happyassassin.net

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