On Mon, 27 Aug 2007, Tim wrote:
On Sun, 2007-08-26 at 16:26 -0700, Mike wrote:
Try 'cat /proc/interrupts | grep timer' two times or more.
Look at the number just to the right of '0:'
This should have incremented a bunch in between cat's. If it didn't
then you likely have a hardware problem or the timer is failing to get
initialized. If it is incrementing then I'm stumped...
I don't have the original poster's problem, but I tried that command to
see what happens. The same results, each time:
[root@bigblack ~]# cat /proc/interrupts | grep timer
0: 180 IO-APIC-edge timer
Weird. I wonder if there is another interrupt used to 'bump' the clock?
Just for grins try it w/o the grep. There should be a list of a dozen or
so interrupts. See if the line associated with rtc is 'racing'. Or
maybe there's yet another interrupt used (other than ethX, ideX etc.).
I had to do some precision timing in a previous life and had to muck with
this stuff back then. At the time and even on the three machines I have
here all use the timer interrupt to run the software clock. I 'spose
other motherboards may do it differently...
-- Mike
