Comment 28 for bug 1426216

my usb 3.1 gen1 (two side by side), right side of notebook. this bug occurs when i plug one mouse and keyboard into each usb 3.1 gen1. left side i had another usb 3.1 gen1 without any problem(keyboard connected)

with the hub plugged into thunderbolt/usb3.1-gen2(mouse plugged on it) BAR error has gone ...

the hub is usb3.0/hdmi

I am trying to use nvidia prime profile ondemand with external monitor via HDMI but without success(too slow), i am not sure this is the cause of the problem but before hdmi port send/receive signal it pass throught pcie ...

any idea