Изучил файл /var/log/xen/xend.log, вот отрывок который может заинтересовать, в прошу посмотреть есть ли в нем явные ошибки. Если нет, то завтра попробую удалить все что есть, и создать новый конфиг, и новую инсталяцию гостевой системы.
[2011-08-11 20:11:48 xend 9410] DEBUG (DevController:114) DevController: writing {'backend-id': '0', 'virtual-device': '768', 'device-type': 'disk', 'state': '1', 'backend': '/local/domain/0/backend/vbd/31/768'} to /local/domain/31/device/vbd/768.
[2011-08-11 20:11:48 xend 9410] DEBUG (DevController:116) DevController: writing {'domain': 'Update-Server', 'frontend': '/local/domain/31/device/vbd/768', 'format': 'raw', 'dev': 'hda', 'state': '1', 'params': '/usr/XenDisk/myimage.img', 'mode': 'w', 'online': '1', 'frontend-id': '31', 'type': 'file'} to /local/domain/0/backend/vbd/31/768.
[2011-08-11 20:11:48 xend 9410] DEBUG (DevController:114) DevController: writing {'backend-id': '0', 'mac': '00:16:3E:51:92:8C', 'handle': '0', 'state': '1', 'backend': '/local/domain/0/backend/vif/31/0'} to /local/domain/31/device/vif/0.
[2011-08-11 20:11:48 xend 9410] DEBUG (DevController:116) DevController: writing {'domain': 'Update-Server', 'handle': '0', 'script': '/etc/xen/scripts/vif-bridge', 'ip': '192.168.5.6', 'state': '1', 'frontend': '/local/domain/31/device/vif/0', 'mac': '00:16:3E:51:92:8C', 'online': '1', 'frontend-id': '31'} to /local/domain/0/backend/vif/31/0.
[2011-08-11 20:11:48 xend 9410] INFO (image:434) spawning device models: /usr/lib64/xen/bin/qemu-dm ['/usr/lib64/xen/bin/qemu-dm', '-d', '31', '-m', '256', '-boot', 'c', '-serial', 'pty', '-vcpus', '1', '-domain-name', 'Update-Server', '-net', 'nic,vlan=1,macaddr=00:16:3E:51:92:8C,model=rtl8139', '-net', 'tap,vlan=1,bridge=xenbr0', '-vnc', '192.168.5.5:31', '-vncunused']
[2011-08-11 20:11:48 xend 9410] INFO (image:437) device model pid: 25468
[2011-08-11 20:11:48 xend.XendDomainInfo 9410] DEBUG (XendDomainInfo:990) Storing VM details: {'shadow_memory': '8', 'uuid': '985e35d7-9508-705c-5c59-cfb261f94e8e', 'on_reboot': 'restart', 'start_time': '1313075508.97', 'on_poweroff': 'destroy', 'name': 'Update-Server', 'xend/restart_count': '0', 'vcpus': '1', 'vcpu_avail': '1', 'memory': '256', 'on_crash': 'restart', 'image': "(hvm (kernel /usr/lib/xen/boot/hvmloader) (args 'VNC_VIEWER=127.0.0.1:5512 ') (device_model /usr/lib64/xen/bin/qemu-dm) (vcpus 1) (boot c) (timer_mode 1) (serial pty) (vnc 1) (vncunused 1) (vnclisten 192.168.5.5) (display localhost:11.0) (xauthority /root/.Xauthority) (vncpasswd ))", 'maxmem': '256'}
[2011-08-11 20:11:48 xend.XendDomainInfo 9410] DEBUG (XendDomainInfo:1025) Storing domain details: {'console/port': '3', 'name': 'Update-Server', 'console/limit': '1048576', 'vm': '/vm/985e35d7-9508-705c-5c59-cfb261f94e8e', 'domid': '31', 'cpu/0/availability': 'online', 'memory/target': '262144', 'store/ring-ref': '65534', 'store/port': '2'}
[2011-08-11 20:11:48 xend.XendDomainInfo 9410] DEBUG (XendDomainInfo:2045) UUID Created: False
[2011-08-11 20:11:48 xend.XendDomainInfo 9410] DEBUG (XendDomainInfo:2046) Devices to release: [], domid = 30
[2011-08-11 20:11:48 xend.XendDomainInfo 9410] DEBUG (XendDomainInfo:2050) Releasing PVFB front-end devices (uuid not created)...
[2011-08-11 20:11:48 xend.XendDomainInfo 9410] DEBUG (XendDomainInfo:2058) Releasing PVFB backend devices ...
[2011-08-11 20:11:48 xend.XendDomainInfo 9410] DEBUG (XendDomainInfo:1246) XendDomainInfo.handleShutdownWatch
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:158) Waiting for devices vif.
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:164) Waiting for 0.
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:509) hotplugStatusCallback /local/domain/0/backend/vif/31/0/hotplug-status.
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:509) hotplugStatusCallback /local/domain/0/backend/vif/31/0/hotplug-status.
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:523) hotplugStatusCallback 1.
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:158) Waiting for devices usb.
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:158) Waiting for devices vbd.
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:164) Waiting for 768.
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:509) hotplugStatusCallback /local/domain/0/backend/vbd/31/768/hotplug-status.
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:509) hotplugStatusCallback /local/domain/0/backend/vbd/31/768/hotplug-status.
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:523) hotplugStatusCallback 1.
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:158) Waiting for devices irq.
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:158) Waiting for devices vkbd.
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:158) Waiting for devices vfb.
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:158) Waiting for devices pci.
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:158) Waiting for devices ioports.
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:158) Waiting for devices tap.
[2011-08-11 20:11:49 xend 9410] DEBUG (DevController:158) Waiting for devices vtpm.
[2011-08-11 20:11:49 xend 9410] INFO (XendDomain:387) Domain Update-Server (31) unpaused.
Заранее благодарю всех.