On Tue, 9 Oct 2007, Vasily Averin wrote:

> Jan Engelhardt wrote:
> > On Oct 9 2007 09:26, Vasily Averin wrote:
> >> On one of our servers timer interrupts (i.e irq0) are stops working. As result
> >> any kernel timers do not triggers and tasks waiting some signals from timers
> >> hangs forever.
> > 
> > What kernel.. and tried CONFIG_NO_HZ=n?
> 
> Originally I've noticed this issue on RHEL5 kernels, but then I've reproduced it
> on latest mainstream kernels, in my last attempt it was 2.6.23-rc7.
> 
> Thank you for for your tips about  CONFIG_NO_HZ=n, will try to to it.

You run a 64 bit kernel, where this option is not available yet.

	tglx