[Xen-users] Ubuntu DomU

[Jonathan Tripathy <jonnyt@xxxxxxxxxxx>]

Hi Everyone,

I've installed Xen on my CentOs 6 machine using this guide: 
http://wiki.centos.org/HowTos/Xen/Xen4QuickStart
So far, most things seem to be working fine. Here is the version of Xen 
installed:
release                : 3.10.27-11.el6.centos.alt.x86_64
version                : #1 SMP Fri Jan 24 23:23:03 UTC 2014
machine                : x86_64
nr_cpus                : 4
nr_nodes               : 1
cores_per_socket       : 4
threads_per_core       : 1
cpu_mhz                : 3192
hw_caps                : 
bfebfbff:28100800:00000000:00007f40:77bae3ff:00000000:00000001:00000281
virt_caps              : hvm_directio
total_memory           : 32643
free_memory            : 28827
free_cpus              : 0
xen_major              : 4
xen_minor              : 2
xen_extra              : .3-27.el6
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : unavailable
xen_commandline        : dom0_mem=1024M,max:1024M loglvl=all 
guest_loglvl=all
cc_compiler            : gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-4)
cc_compile_by          : mockbuild
cc_compile_domain      : centos.org
cc_compile_date        : Fri Jan 24 20:49:25 UTC 2014
xend_config_format     : 4


However, when I try to boot my Ubuntu 12.04 DomU (obtained from 
stacklet), this won't boot. This distro works fine on our other Xen 
machines which unlike this server, run a Ubuntu Dom0.
Any ideas? When I try to launch the PV DomU, I see the pygrub screen, 
and when I hit enter, the DomU just crashes. Nothing appears in any of 
the DomU logs if I mount the disk to check.
Help would be appreciated.

Thanks

Jonny

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