Re: AMD64 X2 lost ticks on PM timer
From: Jeff Garzik
Date: Fri Mar 03 2006 - 18:44:19 EST
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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