Re: Lost Ticks on x86_64

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On Sun, 2005-08-07 at 13:36 +0200, Andi Kleen wrote:
> Erick Turnquist <[email protected]> writes:
> 
> > Hi, I'm running an Athlon64 X2 4400+ (a dual core model) with an
> > nVidia GeForce 6800 Ultra on a Gigabyte GA-K8NXP-SLI motherboard and
> > getting nasty messages like these in my dmesg:
> > 
> > warning: many lost ticks.
> > Your time source seems to be instable or some driver is hogging interupts
> > rip default_idle+0x20/0x30
> 
> It's most likely bad SMM code in the BIOS that blocks the CPU too long
> and is triggered in idle. You can verify that by using idle=poll
> (not recommended for production, just for testing) and see if it goes away.
> 

WTF, since when do *desktops* use SMM?  Are you telling me that we have
to worry about these stupid ACPI/SMM hardware bugs on the desktop too?

Lee

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