On Sun, Dec 22, 2002 at 06:46:50PM -0600, Adam Majer wrote:
> On Sun, Dec 22, 2002 at 10:32:43AM -0800, Bill Moseley wrote:
> > On Sun, 22 Dec 2002, Shawn Lamson wrote:
> > > > Maybe it's because the CD-R is so fast?  "Let's do the time warp again!"
> > > 
> > > This is why I installed rdate, I think it is b/c it is so processor
> > > intensive (CD-R).  I didn't read the entire previous thread on ntp,
> > > but rdate at least does the trick for my single user system.
> > 
> > Just seems really odd.  Interrupts still happen, right?  And to drop 50
> > seconds in 4 minutes just doesn't seem like a matter of the machine being
> > too busy to keep time.
> 
> The stupid driver might cli interrupts for long periods of time
> which would cause time interrupts to get missed especially if
> it disables the interrupts for more than 1/18th (or something
> like that - well, this is from my old "MSDOS" memory days
> so the number is probably different now) of a second then
> you could have two interrupts happen when the interrupts
> are disabled and there is the time warp. Interrupts
> should never get disabled for that long. It's a bug if you
> ask me....

I'd say this is the sort of thing people mean when people say 'IDE
sucks!'; the CPU has to babysit the burner through the entire process...

-rob

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