Placing 'omapdss.debug=1' on the kernel cmdline provides lots of useful messages which can be used to debug the issue further.
It seems the values the monitor provides via its EDID are non-standard, thus confusing the DSS HDMI driver. The monitor is providing the following values: 1920 1080 setting with 138.5 MHz -- LG monitor behaving incorrectly when used in conjunction with the Panda board and HDMI https://bugs.launchpad.net/bugs/605832 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