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.
-
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Wed Feb 28 2001 - 21:00:18 EST