linux-kernel - Re: "APIC error on CPU1: 00(40)" during resume (was: Regression from 2.6.26: Hibernation (possibly suspend) broken on Toshiba R500)

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Message-ID: <20081210165252.GA13041@srcf.ucam.org>
Date:	Wed, 10 Dec 2008 16:52:52 +0000
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Frans Pop <elendil@...net.nl>, Ingo Molnar <mingo@...e.hu>,
	lenb@...nel.org, "Rafael J. Wysocki" <rjw@...k.pl>,
	Greg KH <greg@...ah.com>, jbarnes@...tuousgeek.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	tiwai@...e.de, Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: "APIC error on CPU1: 00(40)" during resume (was: Regression from 2.6.26: Hibernation (possibly suspend) broken on Toshiba R500)

On Wed, Dec 10, 2008 at 08:26:37AM -0800, Linus Torvalds wrote:

> So it looks like we don't reprogram the APIC -at-all- on secondary CPU's.
> 
> What am I missing?

We unplug all CPUs except the boot one at suspend time. Does the APIC 
get reprogrammed when they're replugged on resume?

-- 
Matthew Garrett | mjg59@...f.ucam.org
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