[kernel-xen] Xen 4.2 Ubuntu 12 VPS crash on boot

Steven Haigh netwiz at crc.id.au
Fri Feb 8 23:57:02 EST 2013

On 8/02/2013 11:47 PM, Dimitar Kolev wrote:
> Same result.
> The guy making the templates said there is an issue may be. He is suspecting
> the new Xen. I am suspecting the same cause the previous Xen older one was
> working fine.
> Is there easy way to downgrade Xen ?

Sure, you can use 'yum downgrade xen' to go back to 4.1.2 - however I 
have not been maintaining these and they contain quite a few known 
security vulnerabilities. As such, I certainly would not run them.

If you run "xm create blah -n", does it throw any syntax errors or such?

What do you get when you attach the console straight away using 'xm 
create blah -c'?

Pasting the entire debug output doesn't really gain much - as there is 
usually not much in the way of output that is helpful if the DomU won't 
even start.

I'm also wondering if you may have better luck on the Ubuntu forums for 
other people running Ubuntu under Xen. There may even be people on this 
list that have more experience than me running Ubuntu...

I'd also suggest looking through this:

Personally, I wouldn't run a pre-made image sourced from somewhere else 
either - but thats just me....

Steven Haigh

Email: netwiz at crc.id.au
Web: http://www.crc.id.au
Phone: (03) 9001 6090 - 0412 935 897
Fax: (03) 8338 0299

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