I've never seen that kernel panic before.  If you're building on an NFS share 
though, that often screws up the permissions.  You could have root-squashing 
turned on, and then every file that's supposed to be owned by root is owned by 
an unprivileged user instead.  It wouldn't surprise me that this freaks out the 
init process.

I'd try building somewhere else and see if that helps.  Or see whether you've 
got root-squashing or some other permission-modifying option turned on.

Cheers,

Ewan.

From: [email protected] 
[mailto:[email protected]] On Behalf 
Of Kieran Evans
Sent: Saturday, March 17, 2012 9:38 AM
To: [email protected]
Subject: [Openstack] Devstack +XCP/XenServer Kernel Panic

Hi all,

I'm not sure if this is the right place for this (and if not, can anyone point 
out where).

I've used the devstack scripts to try to set up Openstack on both XenServer 6.0 
and XCP 1.5 using the following guides:

http://wiki.xen.org/wiki/XCP_DevStack
https://github.com/openstack-dev/devstack/blob/master/tools/xen/README.md

Wether on XenServer or XCP, I always seem to hit the same issue. When the 
ALLINONE VM is fired up, it shuts down after a few seconds with a kernel panic 
( as seen here: http://imgur.com/i85fC). The same issue occurs with the 
domU_multi scripts too.

A note, in case it may affect the build scripts somehow, For external storage, 
rather than using a different machine, or external USB, I've mounted /root to 
an NFS share before running prepare_dom0.sh.

We've currently got a Diablo Openstack installation up and running using 
StackOps, but I'm currently trying out essex on some spare machines (both to 
get to know it, and an attempt to see if running with Xen is of any advantage 
to us).

Thanks

/Kieran


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