sudo apt-get install xen-linux-system
Reading package lists... Done
Building dependency tree
Reading state information... Done
Note, selecting 'xen-linux-system-2.6-xen-686' instead of 'xen-linux-system'
xen-linux-system-2.6-xen-686 is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
3 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue [Y/n]? y
Setting up linux-image-2.6.32-5-xen-686 (2.6.32-31) ...
Running depmod.
Running update-initramfs.
update-initramfs: Generating /boot/initrd.img-2.6.32-5-xen-686
initrd.img(/boot/initrd.img-2.6.32-5-xen-686
) points to /boot/initrd.img-2.6.32-5-xen-686
 (/boot/initrd.img-2.6.32-5-xen-686) -- doing nothing at /var/lib/dpkg/info/linux-image-2.6.32-5-xen-686.postinst line 347.
vmlinuz(/boot/vmlinuz-2.6.32-5-xen-686
) points to /boot/vmlinuz-2.6.32-5-xen-686
 (/boot/vmlinuz-2.6.32-5-xen-686) -- doing nothing at /var/lib/dpkg/info/linux-image-2.6.32-5-xen-686.postinst line 347.
Examining /etc/kernel/postinst.d.
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 2.6.32-5-xen-686 /boot/vmlinuz-2.6.32-5-xen-686
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 2.6.32-5-xen-686 /boot/vmlinuz-2.6.32-5-xen-686
/usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?).
run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 1
Failed to process /etc/kernel/postinst.d at /var/lib/dpkg/info/linux-image-2.6.32-5-xen-686.postinst line 799.
dpkg: error processing linux-image-2.6.32-5-xen-686 (--configure):
 subprocess installed post-installation script returned error exit status 9
configured to not write apport reports
                                      dpkg: dependency problems prevent configuration of xen-linux-system-2.6.32-5-xen-686:
 xen-linux-system-2.6.32-5-xen-686 depends on linux-image-2.6.32-5-xen-686 (= 2.6.32-31); however:
  Package linux-image-2.6.32-5-xen-686 is not configured yet.
dpkg: error processing xen-linux-system-2.6.32-5-xen-686 (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of xen-linux-system-2.6-xen-686:
 xen-linux-system-2.6-xen-686 depends on xen-linux-system-2.6.32-5-xen-686; however:
  Package xen-linux-system-2.6.32-5-xen-686 is not configured yet.
dpkg: error processing xen-linux-system-2.6-xen-686 (--configure):
 dependency problems - leaving unconfigured
configured to not write apport reports
                                      configured to not write apport reports
                                                                            Errors were encountered while processing:
 linux-image-2.6.32-5-xen-686
 xen-linux-system-2.6.32-5-xen-686
 xen-linux-system-2.6-xen-686
E: Sub-process /usr/bin/dpkg returned an error code (1)