Re: clocks realtime - gpos running at different speed
Theo Veenker <[email protected]>
| Newsgroups | gmane.linux.real-time.rtlinux.general |
|---|---|
| Message-ID | <[email protected]> |
Hello again, Can someone comment on this please. I really like to know what can be done to fix this problem. Thank you. Theo Theo Veenker wrote: > Hi all, > > This issue has come up before, but I still don't know how to fix it. > > On our systems (Asus P4B533/P4PE, RH9, 2.4.20, 3.2-pre2) CLOCK_GPOS > runs about 150us/s faster than CLOCK_REALTIME (I have used attached > module to test this). > > Every night the machines call ntpdate <server> to adjust the system > time and call hwclock --systohc to set the hardware clock. > > 150us/s is about 13 seconds in 24 hours. And in /var/log/messages > I always see ntpdate applying a time step by -13 seconds. So from > this I conclude that ntpdate also thinks the system time goes too > fast. Haven't tested yet if I get the same time step when running > a regular kernel. > > If it is a bug in the BIOS or motherboard, is there anyone who had > the same problem and solved it? > > Theo _______________________________________________ Rtl mailing list [email protected] http://www2.fsmlabs.com/mailman/listinfo/rtl