Re: [stable 2.6.24] WARNING: at kernel/time/clockevents.c

Thomas Gleixner
2008-02-13T08:30:26Z

On Tue, 12 Feb 2008, Andrew Morton wrote:
> On Sun, 10 Feb 2008 14:40:21 +0100 Frans Pop <elendil@planet.nl> wrote:
> the hrtimer code is preparing an invalid ktime_t. Note that
> clockevents_program_event() actually fails when this happens - I am
> surprised that this is not causing observeable userspace problems.
>
> The WARN_ON_ONCE() means that you'll only see this warning once per boot.
> But the actually error could be happening any number of times without being
> reported.
>
> Looks pretty serious?

Yes. It's the same problem, which got fixed with:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=62f0f61e6673e67151a7c8c0f9a09c7ea43fe2b5

Frans, Thanks for reporting !

I'm working on a fix.

Thanks,

tglx