Xen devel - Jul 2005 - clock skew?

As part of eating your own dog food I tend to do Xen development and testing
on the same box. Since a week or so I''ve been seeing a lot of make
clock
skew detected warnings. Especially after I run some Xen intensive workloads
(for example, graphics from a VT domain to ioemu in dom0 which generates a
lot of I/O requests).  Anyone else seeing this?

	Leendert

--
Leendert van Doorn                                   
<leendert@watson.ibm.com>
IBM T.J. Watson Research Center                       (914) 784-7831
30 Saw Mill River Road, Hawthorne, NY 10532


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On 12 Jul 2005, at 06:11, Leendert van Doorn wrote:
> As part of eating your own dog food I tend to do Xen development and 
> testing
> on the same box. Since a week or so I''ve been seeing a lot of make
> clock
> skew detected warnings. Especially after I run some Xen intensive 
> workloads
> (for example, graphics from a VT domain to ioemu in dom0 which 
> generates a
> lot of I/O requests).  Anyone else seeing this?
Where do the timestamps that are in the future originate from? (i.e., 
is time going backwards on a single box, perhaps across reboot, or is 
it just significantly lagging behind the clocks on some other boxes on 
your network, perhaps because of ntp problems?).

  -- Keir


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