dpkg --configure -a
Setting up initramfs-tools (0.98.5) ...
update-initramfs: deferring update (trigger activated)
Setting up docbook-xml (4.5-7) ...
update-xmlcatalog: cannot close catalog /etc/xml/docbook-xml.xml: No space left on device at /usr/sbin/update-xmlcatalog line 572.
dpkg: error processing docbook-xml (--configure):
 subprocess post-installation script returned error exit status 28
Processing triggers for initramfs-tools ...
update-initramfs: Generating /boot/initrd.img-2.6.26-2-686
WARNING: no ldd around - install libc-bin
update-initramfs: failed for /boot/initrd.img-2.6.26-2-686
dpkg: subprocess post-installation script returned error exit status 1