Re: [REGRESSION from 2.6.23-rc8]

[Thomas Gleixner]

On Fri, 2007-09-28 at 11:07 -0400, Chuck Ebbert wrote:
> On 09/26/2007 06:35 PM, Thomas Gleixner wrote:
> > It's even worse than I thought on the first check:
> > 
> > "noapictimer" on the command line of an SMP box prevents _ONLY_ the boot
> > CPU apic timer from being used. But the secondary CPU is still
> > unconditionally setting up the APIC timer and uses the non calibrated
> > variable calibration_result, which is of course 0, to setup the APIC
> > timer. Wreckage guaranteed.
> > 
> 
> Is this why I get 1000 spurious interrupts/second on IRQ7 when booting
> x86_64 with "noapic"?

No, thats a different problem. The wreckage is a stuck local apic timer
interrupt.

	tglx


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/