7 Dec
2007
7 Dec
'07
10:53
>> I had to reset >> /sys/devices/system/clocksource/clocksource0/current_clocksource (in >> this case to jiffies). >> >> To list available sources: >> >> cat /sys/devices/system/clocksource/clocksource0/available_clocksource > Do you know of a link or file with documentation on each type of clock? > Sorry, found a link on a xen mailing list (server is a Xen Dom0 host), but haven't kept it. > > I'll try brute force... > > nimrodel:~ # echo tsc > > /sys/devices/system/clocksource/clocksource0/current_clocksource > nimrodel:~ # cat > /sys/devices/system/clocksource/clocksource0/current_clocksource > tsc > I have set clocksource=jiffies as a boot parameter. After this all my ntp time sync problems disappeared. > I'm not sure... I just updated the kernel tonight, and 45' after boot > I see: > > Dec 6 22:14:08 nimrodel kernel: Clocksource tsc unstable (delta = > 65620380907 ns) > Dec 6 22:51:06 nimrodel kernel: set_rtc_mmss: can't update from 0 to 51 > Dec 6 22:51:09 nimrodel syslog-ng[3946]: last message repeated 2 times > Dec 6 22:51:09 nimrodel kernel: set_rtc_mmss: can't update from 1 to 51 > Dec 6 22:51:35 nimrodel syslog-ng[3946]: last message repeated 22 times > Dec 6 22:51:36 nimrodel kernel: set_rtc_mmss: can't update from 1 to 51 > > > Lots of those messages till 23:09:54, then they stopped. Maybe the > 'tsc' clock is bad and it switches to 'acpi_pm'. Perhaps I'll have to > try them all. Can't comment on tsc, I've never used it. However, on a laptop with a new 10.3 install (standard kernel) acpi_pm did give me the same problems - changing to jiffies solved the problem for me. ________________________________________________________________________ This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________ -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org