I think I may have gotten slightly further. Log attached.
Here were the pertinent env variables:
LIBGUESTFS_TRACE=1
LIBGUESTFS_QEMU=/home/ubuntu/qemu/qemu.wrapper
SUPERMIN_KERNEL=/boot/vmlinuz-3.4.0-030400-generic
-Tim
On Jan 27, 2014, at 2:23 AM, Richard W.M. Jones <rjones(a)redhat.com> wrote:
 
 This fails in the same way, which suggests something other than
 qemu is at fault.  You could try a different kernel.
 
 
http://libguestfs.org/guestfs.3.html#environment-variables
 
 Also make sure you are not running out of some resource, such as
 memory, disk, etc (see previous email).
 
 Rich.
 
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