Well, no idea why, but after several tries and by removing 'quiet' and 'splash' settings from grub I successfully got my lightdm in 3.15.0-031500rc2-generic.
The bug with lid still exists- complete freeze while opening. ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed ** Tags added: kernel-bug-exists-upstream kernel-bug-exists- upstream-3.15.0-031500rc2 ** Tags removed: kernel-bug-exists-upstream-3.15.0-031500rc2 ** Tags added: kernel-bug-exists-upstream-3.15-rc2 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1310823 Title: [Dell Inspiron 1525] Ubuntu freezes when lid closed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1310823/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs