I have installed bootchart with : sudo apt-get install bootchart but it got stuck in:
update-initramfs: Generating /boot/initrd.img-3.5.0-18-generic
I did Ctrl+C after 35 min, and this is the where is stuck sudo update-initramfs -u -v
Adding firmware radeon/TAHITI_pfp.bin
I don't have an ATI card, but Nvidia. Ubuntu was fully updated until this happened, and now can't install anything because of this. Dpkg log