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The Thursday 2007-12-06 at 14:43 -0000, Neil Dawkins wrote:
Carlos,
I had a similar problem on one of my 10.3 servers.
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
I have seen that.
nimrodel:~ # cat
/sys/devices/system/clocksource/clocksource0/available_clocksource
acpi_pm pit jiffies tsc
nimrodel:~ # cat
/sys/devices/system/clocksource/clocksource0/current_clocksource
acpi_pm
I didn't know I could change the clock. How, writing the desired one to
the "current..." file?
Do you know of a link or file with documentation on each type of clock?
Before 10.3 I have not experienced this issue.
Same here... the problems started with 10.3. At least visible problems,
any "time reset" message is bad.
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'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.
- --
Cheers,
Carlos E. R.
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