I would suspect it is the same problem. I looked through bug #1025401 xrandr and lspci and both problems share the integrated intel graphics system although the bug you quoted has a newer chipset.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1114370 Title: External Monitor Problems: System Freezes when plugging, unplugging, or turning off LG 55LE5400 TV To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1114370/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
