Re: AMD64 X2 lost ticks on PM timer

[Jeff Garzik <jeff@garzik.org>]

Bill Rugolsky Jr. wrote:
> On Fri, Mar 03, 2006 at 05:09:57PM -0500, Jeff Garzik wrote:
>
> > Or sata_nv/libata is to blame.
>  
> In case you are coming late to the thread:
I'm not.  Thus my comments refuting Lee's silly speculation.


> Andi suggested:
>
>    Yes, I bet something forgets to turn on interrupts again and it's
>    picked up by (and blamed on) the next guy who does an unconditional
>    sti, which happens to be __do_sofitrq or idle.
>
> That sounds right to me.
Unlikely.  More likely is a disabled interrupt period is longer than a 
tick period, or similar.
	Jeff


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