Processing triggers for initramfs-tools ...
update-initramfs: Generating /boot/initrd.img-2.6.32-34-generic
E: /usr/share/initramfs-tools/hooks/casper failed with return 1.
update-initramfs: failed for /boot/initrd.img-2.6.32-34-generic with 1.
dpkg: error processing initramfs-tools (--configure):
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
initramfs-tools
This looks like bug #984276. You should uninstall the casper package from your system to continue with the upgrade.
The root failure is:
Processing triggers for initramfs-tools ... img-2.6. 32-34-generic initramfs- tools/hooks/ casper failed with return 1. img-2.6. 32-34-generic with 1.
update-initramfs: Generating /boot/initrd.
E: /usr/share/
update-initramfs: failed for /boot/initrd.
dpkg: error processing initramfs-tools (--configure):
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
initramfs-tools
This looks like bug #984276. You should uninstall the casper package from your system to continue with the upgrade.