linux-kernel - Re: Badness at kernel/time/timekeeping.c:98 in pmud (timekeeping

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Date:	Sun, 8 Feb 2009 14:39:30 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Paul Collins <paul@...ly.ondioline.org>,
	Ingo Molnar <mingo@...e.hu>
Cc:	Thomas Gleixner <tglx@...utronix.de>, linuxppc-dev@...abs.org,
	linux-kernel@...r.kernel.org
Subject: Re: Badness at kernel/time/timekeeping.c:98 in pmud (timekeeping_suspended)

On Sunday 08 February 2009, Paul Collins wrote:
> Paul Collins <paul@...ly.ondioline.org> writes:
> 
> > "Rafael J. Wysocki" <rjw@...k.pl> writes:
> >
> >> On Wednesday 21 January 2009, Paul Collins wrote:
> >>> Got a couple of these on a PowerBook running 2.6.29-rc2 either during
> >>> suspend or resume -- it's hard to tell.  (The suspend message is
> >>> timestamped in syslog with the time I resumed, so I guess it was
> >>> buffered along with the subsequent "Badness" messages.)
> >>
> >> Please check if the patch from http://lkml.org/lkml/2009/1/13/144 fixes the
> >> problem for you.
> >
> > It does not fix the problem.
> 
> I'm also getting this warning since 2.6.28.1, which incorporated commit
> 1c5745aa380efb6417b5681104b007c8612fb496 ("sched_clock: prevent
> scd->clock from moving backwards, take #2") as commit
> e268dcdd404f4558cdd24c8ecede3e064df8fa33, this being the patch that
> introduced the WARN_ON(timekeeping_suspended) check.

Hm, I thought the timekeeping suspend problem was fixed in this commit.  Ingo?
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