Odd. Since updating my FC4 system's kernel a few days ago my system clock has been gaining time like mad. cheers, Tim On Wednesday 31 May 2006 05:42, Ali Sobhi wrote: > I've been struggling with system clock on my system since day 1 that I > installed FC5. > I did not have any problems with FC4. > > I stopped using NPTD for time sync, turned off most of the services, tried > to look through > log files and can't find anything which tells me what is happening. I have > not turned off any cron or anacron activities yet. > > Here is what I'm seeing with regard to system clock. After about 48 to 56 > hours of up time, the system slows down, > no apparent memory or CPU hog on the queue. The response time goes up for > a simple date or ls command. > > looking at "/proc/driver/rtc" and date output, there is about 8+ hours > difference which normally happens within very > short period of time (~ 4 hours). Continuously typing date, I can see the > clock going back and forth. "sleep 1" takes about couple of > minutes to complete. My only solution so far has been to do the following > twice and then "sync; reboot -f" > > ntpdate <MyTimeServer> > rm -f /etc/adjtime > hwclock -w > > After this, everything seems OK until another 48 to 56 hours. I'm thinking > about putting this in a cron job and rebooting the machine > every morning. > > I have to mention that I have two different type of machines that have > been up and running for 32 days now without any time problem and both > are using NTPD. > > any pointers to where to look for source of problem and/or additional info > would be helpful. > > Regards, > > Ali Sobhi > ------------------------------------------------------------------------- > Sr. Consultant - IBM Research > Human Ability and Accessibility Center > 512-823-0064 (T/L 793) sobhi@xxxxxxxxxx > http://www.ibm.com/able/ > -------------------------------------------------------------------------