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xen-devel
RE: [Xen-devel] more bizarre rtc behaviour...
I have now noticed that with the rtc module loaded it exhibits the
behaviour I described, but if I unload the rtc module, it all works
fine. The underlying hardware clock appears to be fine.
James
> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-
> bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of James Harper
> Sent: Tuesday, 27 December 2005 14:45
> To: xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-devel] more bizarre rtc behaviour...
>
> I've posted before after noticing the "set_rtc_mmss: can't update from
> 70 to 15" messages. Today I ran 'hwclock' in a loop and noted the
> following (see after email body)
>
> Notice how, starting from :00 seconds, it counts forward 15 seconds
(eg
> :00 to :15), then jumps back 6 seconds (eg to :10), and keeps doing
this
> until it reaches :41, when it jumps forward 18 seconds.
>
> As I type this now, it is 14:39 AEDT (+11), and the hwclock says
16:39.
>
> NTP was not running whilst this data was gathered. Is there anything
> about xen which interferes with hwclock in dom0? If not, then I guess
it
> is definitely a hardware problem...
>
> Thanks
>
> James
>
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>
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