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I have recently bought a new faster server and so I want to start migrating things over to the new server. Having my email server (zimbra) installed in a virtual machine I figured it should be piece of cake, just move the .vdi, configure the new VM and enjoy the improved performance. Unfortunately I get a kernel panic on the new box when trying to boot:

Kernel Panic

Any ideas on what could be causing this? Could it be related to new host being 64-bit?

Some info on server1 (working):

Virtualbox version: 3.2.12r68302

uname -a: Linux server1 2.6.32-34-generic-pae #77-Ubuntu SMP Tue Sep 13 21:16:18 UTC 2011 i686 GNU/Linux

Some info on server2 (Not working):

Virtualbox version: 4.1.6r74727

uname -a: Linux server2 2.6.32-33-server #72-Ubuntu SMP Fri Jul 29 21:21:55 UTC 2011 x86_64 GNU/Linux

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1 Answer 1

up vote 1 down vote accepted

The answer ended up being really simple. I had to activate ioapic in the settings on the new host.

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