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Re: [Xen-users] hwclock problems in domU

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] hwclock problems in domU
From: "Ulrich Windl" <ulrich.windl@xxxxxxxxxxxxxxxxxxxx>
Date: Wed, 10 Jan 2007 11:12:00 +0100
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On 9 Jan 2007 at 12:03, Lars Jørgensen wrote:

> Hello,
>
> I have a problem with clock on my virtual machines (domU) the time is wrong 
> both with independent_wallclock set to 0 and set to 1.
>
> Hw clock fails to start both on wallclock 0/1 with this error message:
> Open of /dev/rtc failed, errno=2: No such file or directory.
>

Hi Lars!

> What could be wrong?

Your expectations? AFAIK XEN does not emulate a hardware clock for each domain.
The command to set the clock in UNIX is "date [-s]". Whether and how the CMOS 
RTC
is updated from the system clock is a completely different issue. I don't know
where a XEN kernel gets the initial time from.

Regards,
Ulrich


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