Ошибка загрузки Ubuntu Xen DomU

Я пытаюсь загрузить Ubuntu 12.04 Precise DomU (Dom0 - это Ubuntu 12.04 с xen-hypervisor-4.1-amd64), и он не загружается, возвращая меня обратно в оболочку (см. Ниже). Я использую tap2:tapdisk:aio для диска, изображения являются файлами, а не LV.

[    0.288373] PPP generic driver version 2.4.2
[    0.288447] Initialising Xen virtual ethernet driver.
[    0.291051] blkfront: xvda2: barrier or flush: disabled
[    0.293032] Setting capacity to 16777216
[    0.293047] xvda2: detected capacity change from 0 to 8589934592
[    0.293722] blkfront: xvda1: barrier or flush: disabled
[    0.294558] Setting capacity to 2097152
[    0.294568] xvda1: detected capacity change from 0 to 1073741824
[    0.295536] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    0.295561] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    0.295578] uhci_hcd: USB Universal Host Controller Interface driver
[    0.295632] usbcore: registered new interface driver libusual
[    0.295667] i8042: PNP: No PS/2 controller found. Probing ports directly.
[    0.296509] i8042: No controller found
[    0.296631] mousedev: PS/2 mouse device common for all mice
[    0.336576] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0
[    0.336642] rtc_cmos: probe of rtc_cmos failed with error -38
[    0.336752] device-mapper: uevent: version 1.0.3
[    0.336845] device-mapper: ioctl: 4.22.0-ioctl (2011-10-19) initialised: dm-devel@redhat.com
[    0.336865] EFI Variables Facility v0.08 2004-May-17
[    0.337194] TCP cubic registered
[    0.337334] NET: Registered protocol family 10
[    0.338180] NET: Registered protocol family 17
[    0.338211] Registering the dns_resolver key type
[    0.338386] registered taskstats version 1
[    0.352167] XENBUS: Device with no driver: device/console/0
[    0.352193]   Magic number: 1:252:3141
[    0.352250] /build/buildd/linux-3.2.0/drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
[    0.352264] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
[    0.352271] EDD information not available.
[    0.352908] Freeing unused kernel memory: 920k freed
[    0.353349] Write protecting the kernel read-only data: 12288k
[    0.361520] Freeing unused kernel memory: 1608k freed
[    0.362954] Freeing unused kernel memory: 1196k freed
Loading, please wait...
[    0.419345] udevd[82]: starting version 175

BusyBox v1.18.5 (Ubuntu 1:1.18.5-1ubuntu4) built-in shell (ash)
Enter 'help' for a list of built-in commands.

(initramfs)

Журнал Xen дает мне;

[2012-07-22 21:33:37 1382] INFO (XendDomain:1225) Domain test1 (3) unpaused.
[2012-07-22 21:33:37 1382] WARNING (XendDomainInfo:581) Could not unpause blktap disk: ('unpause', '-p2441', '-m0') failed (5632  )