I found workaround: I change (my) scritp /etc/udev/rules.d/55-irda-stir4200.rules to:
#!/bin/sh killall irattach # kill irattach first and wait sleep 1 rmmod stir4200 sleep 1 rmmod ircomm_tty now plug/unplug IRDA dongle don't crash USB subsystem. -- usbcore deregistering driver stir4200 cause Oops https://bugs.launchpad.net/bugs/196411 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
