[Soekris] net5501: rtc running 7 times faster than realtime
Bent
bbagger at gmail.com
Tue Aug 28 14:46:09 UTC 2007
Hi Marco
I had the same problem on an old Pentium PC - except the clock run 10
times faster, not 7 ;-)
I solved it by adding a 'clock=pit' to the kernel line in Grub's
menu.lst (PIT = Programmable Interval Timer).
This may or may not solve your problem, but here it is, the idea.
Kind regards,
Bent
2007/8/28, Marco Neubauer <marco at gmx.com>:
> Hi,
>
> just got my 5501 a few days back.
> It's running fine, except that the rtc is running much faster than realtime.
>
> ~ # while true; do hwclock; sleep 1; done
> Fri Aug 24 17:09:08 2007 -0.042069 seconds
> Fri Aug 24 17:09:15 2007 -0.091774 seconds
> Fri Aug 24 17:09:22 2007 -0.095677 seconds
> Fri Aug 24 17:09:29 2007 -0.095722 seconds
>
> As you can see, the rtc is doing steps of 7 seconds, while its readout
> every second.
>
> I've also tested it with the bios "time" cmd, but get exactly the same
> time drift of 7s/1s.
>
> comBios version is 1.32
>
> Any advice would be appreciated.
>
> Regards,
>
> --
> Marco Neubauer
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