Update: For some reason the bug appeared again, making the screen go black ervey reboot (tried 3 times). Re-installing the .debs (bisect01) helped.
Helge's assumption seems to hold for my laptop (Lenovo Thinkpad S430), if "dual VGA" means 2 different VGA lines showing up in lspci: $ lspci |grep VGA 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) 01:00.0 VGA compatible controller: NVIDIA Corporation Device 0de8 (rev a1) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1167114 Title: Ubuntu Kernel 3.5.0-27 does not boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1167114/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs