Unpacking python-support (from .../python-support_1.0.14ubuntu2_all.deb) ...
Selecting previously unselected package bootchart.
Unpacking bootchart (from .../bootchart_0.90.2-8ubuntu1_i386.deb) ...
Selecting previously unselected package pybootchartgui.
Unpacking pybootchartgui (from .../pybootchartgui_0+r141-0ubuntu3_i386.deb) ...
Processing triggers for man-db ...
Processing triggers for ureadahead ...
Setting up python-support (1.0.14ubuntu2) ...
Setting up bootchart (0.90.2-8ubuntu1) ...
 Removing any system startup links for /etc/init.d/zzz-bootchart-stop ...
 Removing any system startup links for /etc/init.d/stop-bootchart ...
update-initramfs: Generating /boot/initrd.img-3.2.0-23-generic-pae
cryptsetup: WARNING: failed to detect canonical device of overlayfs
cryptsetup: WARNING: could not determine root device from /etc/fstab
lzma: (stdin): Cannot allocate memory
dpkg: error processing bootchart (--configure):
 subprocess installed post-installation script returned error exit status 1