linux-kernel - Re: [Bug #12667] Badness at kernel/time/timekeeping.c:98 in pmud (timekeeping

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Message-ID: <20090209091849.GF31890@elte.hu>
Date:	Mon, 9 Feb 2009 10:18:49 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Paul Collins <paul@...ly.ondioline.org>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [Bug #12667] Badness at kernel/time/timekeeping.c:98 in pmud
	(timekeeping_suspended)


* Paul Collins <paul@...ly.ondioline.org> wrote:

> "Rafael J. Wysocki" <rjw@...k.pl> writes:
> 
> > Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12667
> > Subject		: Badness at kernel/time/timekeeping.c:98 in pmud (timekeeping_suspended)
> > Submitter	: Paul Collins <paul@...ly.ondioline.org>
> > Date		: 2009-01-21 7:15 (19 days old)
> > First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1c5745aa380efb6417b5681104b007c8612fb496
> > References	: http://marc.info/?l=linux-kernel&m=123252215315106&w=4
> 
> I've just done ten suspend/resume cycles with 2.6.29-rc4 and this
> message was not logged, so it's either gone away or else become much
> more difficult to reproduce.

Various suspend handlers were enabling irqs spuriously - fixed by recent patches in 
-rc4. The warning above is consistent with the timekeeping code being surprised with 
a premature irqs-enable.

	Ingo
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