#xl create metsat.cfg -c
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the Grub menus selection is 
Debian GNU/Linux, with Linux 3.2.0-4-686-pae
then after the Grub menu as the domU tries to boot you get this
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libxl: error: libxl_pci.c:999:do_pci_add: xc_assign_device failed: Operation not permitted
libxl: error: libxl_create.c:1424:domcreate_attach_pci: libxl_device_pci_add failed: -3
libxl: error: libxl.c:1591:libxl__destroy_domid: non-existant domain 34
libxl: error: libxl.c:1549:domain_destroy_callback: unable to destroy guest with domid 34
libxl: error: libxl.c:1476:domain_destroy_cb: destruction of domain 34 failed
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and back to the dom0 prompt
any help much appreciated