On Wed, 16 Jan 2013 10:45:49 +0100, Daniel Braniss <da...@cs.huji.ac.il>
wrote:
I resently upgraded a Dell PowerEdge R710, to 9.1-stable, we mainly use
it as
a backup to several zfs servers (doing send|receive) without major
issues till
the upgrade, it was running 8.2-stable.
now, we see that sometime the time drifts, and today I noticed that it
was
hung, and once I got unto the ipmi console this is what i got:
[SOL Session operational. Use ~? for help]
swap_pager: indefinite wait buffer: bufobj: 0, blkno: 3864, size: 12288
and things started moving again,
in /var/log/messages:
Jan 16 03:27:35 store-02 kernel: swap_pager: indefinite wait buffer:
bufobj:
0, blkno: 3864, size: 12288
but the REAL time is 7hs ahead!, so time stood still ?
and now, of course we get:
Jan 16 03:54:19 store-02 ntpd[38163]: time correction of 25216 seconds
exceeds
sanity limit (1000); set clock manually to the correct UTC time.
I will now reboot, and try a newer kernel and check, but any insight will
be very helpful,
thanks,
danny
Does BSD 9 choose another timer source than BSD 8?
Use sysctl to check these values at your system.
kern.eventtimer.choice: LAPIC(400) i8254(100) RTC(0)
kern.eventtimer.timer: LAPIC
Or this ones. I always confuse these.
kern.timecounter.choice: TSC-low(1000) ACPI-fast(900) i8254(0)
dummy(-1000000)
kern.timecounter.hardware: TSC-low
Ronald.
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