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[Bug 566319] Timekeeping in kernel-xen Dom0 drifts minutes-per-day; kenel-desktop OK.
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Mon, 28 Dec 2009 16:06:48 +0000
  • Message-id: <20091228160648.F0F96CC7CE@xxxxxxxxxxxxxxxxxxxxxx>
http://bugzilla.novell.com/show_bug.cgi?id=566319

http://bugzilla.novell.com/show_bug.cgi?id=566319#c18


--- Comment #18 from mail ignored <0.bugs.only.0@xxxxxxxxx> 2009-12-28 16:06:46
UTC ---
(In reply to comment #17)
Whether or not the systme time in dom0 is accurate after long time running
without ntp involved?

I've turned off ntp service on two of the boxes, and will let them run for
awhile as a test ...

in any case, with ntp running, even if RTC is inaccurate, xen's supposed to
write correct time to it:

"... If domain 0 runs ntpdate, ntpd, etc. then the synchronised time will
automatically be pushed down to Xen every minute (and written to the RTC every
11 minutes, just as normal x86 Linux does). ..."

The problem here is clearly when using ntp with xen/Dom0 ... since with
kernel-default -- i.e. no xen -- ntp timekeeping works perfectly. if RTC was,
somehow, "the" problem it would also manifest in non-xen, kernel-default, no?

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