[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Computer time way wrong
- To: lug-l@xxxxxxx
- Subject: Re: Computer time way wrong
- From: David O Torrey <tj@xxxxxxx>
- Date: Wed, 08 Feb 2006 16:33:12 -0500
There is another odd-ball possibility here. I run remote systems that
do imaging, and they require the cron'd ntpdate solution (and the irony
of using 'cron' to run 'ntpdate' does not escape me :). Turns out the
drivers for the camera suspend interrupts during image downloading. Not
a major problem for the OS, but the system clock depends on interrupts
for timing. NTP gives up once the skew is beyond several seconds, so
the clock would drift horribly.
It's possible your tuner card is doing something similar. A test for
that condition would be to not record for several days and see if the
clock still drifts the same. Otherwise, I don't know what else you can
do.
Thanks,
Dave
On Wed, 2006-02-08 at 16:24 -0500, Steven Isaacson wrote:
> Of course you aren't running Ubuntu so this won't be much help, but I
> had the same problem with box that was running mythtv. I installed
> ntpd and even though it was running it wasn't adjusting the clock to
> correct for the skew. So eventually I just went the horrible hackish
> way of running ntpdate from a cron job every half hour or so.
>
> You could do something similar on windows and install some external
> NTP program which updates the time at a set interval. Though I have
> never seen XP's time sync not work. Looks like my system is updating
> every 8 hours. What does the date and time properties tell you about
> the last sync time?
>
> -steve
>
--
David O Torrey <tj@xxxxxxx>
Michigan Technological University