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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <200812101705.18899.elendil@planet.nl>
Date:	Wed, 10 Dec 2008 17:05:17 +0100
From:	Frans Pop <elendil@...net.nl>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	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 Wednesday 10 December 2008, Linus Torvalds wrote:
> On Wed, 10 Dec 2008, Frans Pop wrote:
> > Anybody interested in persuing this issue?
> >
> > > The third thing that worries me is the _very_ early occurrence of
> > >
> > > 	ACPI: Waking up from system sleep state S3
> > > 	APIC error on CPU1: 00(40)
> > > 	ACPI: EC: non-query interrupt received, switching to interrupt
> > > mode
>
> Well, the "too early" part is fixed with the PCI resume changes in
> -next, and googling for "APIC error on CPU1: 00(40)" shows that it's
> actually pretty common. Which is sad, but makes it somewhat less scary.
>
> The fact that it happens at resume for you (and not randomly) does
> imply that we perhaps don't have a wonderful APIC wakeup sequence and
> are doing something slightly wrong. But it likely isn't a big deal.
>
> Is that message new? If it is, maybe you can pinpoint roughly when it
> started happening, and we could try guess which change triggered it.

It's been there since 2.6.26.3, which was the first kernel I've run on 
this notebook.
--
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/