I am on ubuntu 14.04. fix pack 1 = linux kernel 3.16.0-33. HP Elitebook 840
There is no more *ERROR* too many retries, in the log, but the behaviour is still the same as people describe above.
When VGA is connected to the docking station, reboot fixes the problem
When VGA is connected directly to the laptop and the laptop is undocked, the problem may be fixed just by sleep/resume, no reboot needed.
I am on ubuntu 14.04. fix pack 1 = linux kernel 3.16.0-33. HP Elitebook 840
There is no more *ERROR* too many retries, in the log, but the behaviour is still the same as people describe above.
When VGA is connected to the docking station, reboot fixes the problem
When VGA is connected directly to the laptop and the laptop is undocked, the problem may be fixed just by sleep/resume, no reboot needed.