On 16/08/2015 18:45, walt wrote: > I've been seeing this keyboard problem for the past few weeks: after > running some command from a bash prompt (haven't tried zsh yet) the > keyboard stops working. Almost like somebody unplugged the keyboard > from its usb port (except that the LED on the keyboard stays lit so I > know the power is still on). > > There are no error messages in journalctl or in /var/log/Xorg.0.log > > I don't know how to change to a console without using a ctrl-alt-Fn > keystroke from the keyboard (anyone know if it's possible?). > > When I unplug the keyboard from the usb port I can see the kernel > recognize the unplug event, which makes me think that it's not a > kernel/usb bug or a broken wire in the keyboard cable. > > When I re-plug the keyboard into a usb port the keyboard immediately > starts working normally again until the next time I happen to trigger > the problem by running some black-magical command from a command > prompt. There is no particular command that causes it--it can be any > arbitrary command AFAICT. > > Just one weird example: I can be typing a URL in a web browser window > when a bash command finishes running in a terminal window and the > keyboard stops working in the middle of my typing :( > > Any debugging suggestions would be most welcome.
First step (more to half the problem space than anything else): Does the same happen if you use another keyboard? -- Alan McKinnon alan.mckin...@gmail.com
