UPDATE After installing linux-headers-3.13.0-7-generic manually and re-installing linux-image-3.13.0-7-generic the problem seems solved.
Not that I fully understand what happened but nevertheless... :-) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1272720 Title: sometimes boot fails To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libpciaccess/+bug/1272720/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp