[Xen-users] Migration - Live and otherwise

[Glen Eustace <geustace@xxxxxxxxxxxxxx>]

I am running Gitco Xen 3.3.1 with CentOS5.3 as Dom0, I have finally 
started trying to get migration working.
I have two hosts both with 8Gbytes RAM running Core2 Quad processors. 
The processors are a Q9400 and Q6600.
At this point I have had very little success.  I can migrate in either 
direction, both live and not, a Fedora10 DomU and the success rate is 
terrible.  About 1 time in 10 do I get a running DomU after migration. 
All the other times, xm list on the destination shows the DomU in -r- 
state but I get no response from either the network or console.  These 
are relatively small DomUs with only 256 or 512 Mbits of RAM.  Another 
pair, one at 768 and the other at 1024 do not migrate at all, xm migrate 
comes back saying it failed. At the time of migration, there is heaps of 
available RAM on both systems.
I can not find any errors in the various logs and am at a loss as to 
what to do next.  Any help or suggestions gratefully received.
PS: I am seeing a lot of the following in xm dmesg

(XEN) traps.c:2171:d24 Domain attempted WRMSR 0000000000000175 from 
ffff8300:cedf7fd0 to 00000000:c112ba80.
(XEN) traps.c:2171:d24 Domain attempted WRMSR 0000000000000176 from 
ffff828c:801a7290 to 00000000:c0408b10.
(XEN) traps.c:2171:d24 Domain attempted WRMSR 000000000000008b from 
000000b6:00000000 to 00000000:00000000.
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Glen and Rosanne Eustace,
GodZone Internet Services, a division of AGRE Enterprises Ltd.,
P.O. Box 8020, Palmerston North, New Zealand 4446
Ph: +64 6 357 8168, Fax: +64 6 357 8165, Mob: +64 27 542 4015

"A Ministry specialising in providing low-cost professional Internet
Services to NZ Christian Churches, Ministries and Organisations"

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