I run linux+qt on i.mx6q.The mouse in the use of the process, suddenly can not be used, the serial port does not print any error messages, after re plug the mouse still can not be used, but the keyboard can be used.
Yes, the similar problem is observed sometimes when using a low-speed USB devices such as mices and keyboards. Try to connect your mouse and keyboard through an external USB Hub.
Have a great day, Artur
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