On Wed, 20 Feb 2013 16:07:49 -0800, Greg Kroah-Hartman said: > PS-2 connectors can not normally handle hotplugging, the protocol > doesn't allow it, and for some unlucky devices, it could actually fry > the motherboard or the PS-2 device. > > So that's probably the issue here, the device just doesn't support it, > sorry. You mis-understood the problem. This works: PS/2 keyboard plugged into this device: Bus 006 Device 002: ID 0e8f:0020 GreenAsia Inc. USB to PS/2 Adapter USB side of device plugged into USB port on the Latitude laptop. Power up, boot - the keyboard works. If you plug the USB side of the GreenAsia adapter into a USB slot on the dock, the keyboard is dead and not recognized by the system. However, replugging the USB, or unplug/plug the PS/2 side, and it becomes recognized and starts working. This tells me that the dock is doing something busted with USB that the laptop does correctly, and not enumerating devices until something happens to whack it upside the head. I was hoping to identify it and maybe quirk it.
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