This is a recently introduced but known bug in the intel driver. It is being tracked at https://bugs.freedesktop.org/show_bug.cgi?id=22383.
** Bug watch added: freedesktop.org Bugzilla #22383 https://bugs.freedesktop.org/show_bug.cgi?id=22383 -- LVDS display not returning from dpms off state on intel after a set time period. https://bugs.launchpad.net/bugs/390917 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
