Hi Samuel, I.ll try that setup again with a fresh ubuntu 20.04 setup. My machine was updated from 18.04.Alls seems working well and there is a log entry when qemu start in brltty.log but I can't get any output on the host.
I se nothing wrong in the log except 2020-09-16@10:43:09.908 [brltty] Unexpected Packet: 9F Thx. Halim