For Panda 4460 board, observed same behaviour as comment #3 on DVI-D display mode, with Linaro ubuntu pre-built image:
http://snapshots.linaro.org/precise/pre-built/lt-panda-x11-base/219/lt-panda-x11-base-precise_ubuntu-desktop_20120803-219.img.gz
For Panda 4460 board, observed same behaviour as comment #3 on DVI-D display mode, with Linaro ubuntu pre-built image:
http:// snapshots. linaro. org/precise/ pre-built/ lt-panda- x11-base/ 219/lt- panda-x11- base-precise_ ubuntu- desktop_ 20120803- 219.img. gz