On 28 Feb 2001 23:37:40 +0000, Andrew Morton wrote:
> Eric Buddington wrote:
> >
> > I know this has been reported on the list recently, but I think I can
> > provide better detail. I'm running 2.4.2 with atyfb on a K6-2/266
> > running at 250. This system has no history of clock problems.
> >
> > adjtimex-1.12 --compare gives me "2nd diff" readings of -0.01 in quiescent
> > conditions.
> >
> > flipping consoles rapidly cboosts this number to -3 or -4.
> >
> > catting the full documentation to ntpd (seemed appropriate) gives me
> > "2nd diff" numbers a little over 34. If I read the numbers correctly,
> > 47 seconds of CMOS time passed while the system clock only passed 13
> > seconds.
> >
> > The processor and the CMOS clock were moving at zero velocity relative
> > to each other, and were both in normal Earth gravity.
>
> The kernel blocks interrupts during console output. fbdev
> consoles are slow. Net result: many lost timer interrupts.
>
> I'm working on it. Slowly. Should have something next week.
You may want to check out the linuxconsole project on Sourceforge. I
believe one of their goals is to remove/minimize the console lock...
Brad Douglas
[EMAIL PROTECTED]
http://www.linux-fbdev.org
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