[CentOS-virt] Migrating from KVM to XEN - kernel panic
pasik at iki.fi
Sat Nov 7 22:24:49 UTC 2009
On Fri, Nov 06, 2009 at 11:49:41AM -0800, Christopher Hunt wrote:
> First let me say that I'm not a sysadmin, but am simply wearing that hat
> this week so please excuse my ignorance. I need to temporarily move some
> virtual servers from a CentOS-KVM platform to a CentOS-XEN platform while
> I do some upgrades to the CentOS box. I've created a local LV, and used
> DD and SCP to transfer the block device from the VKM machine to the XEN
> machine. For quite a while I struggled with the "Error: (2, 'Invalid
> kernel', 'xc_dom_parse_elf_kernel: ELF image has no shstrtab\n')" error
> but thanks to Nick Couchman from
> I've passed that. Now I'm stuck with a kernel panic situation.
> Unfortunately the kernel panic error doesn't appear using "xm console" and
> flashes so quickly through "virt-viewer" that I can't get any details.
Stop the guest and edit /etc/xen/<guest> cfgfile.
Remove (or comment out) the vfb line, and then restart the guest.
Now you get the full console output to "xm console".
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