Guenther, did you have AppArmor denials in your kern.log?
Can people try adding this to /etc/apparmor.d/abstractions/libvirt-qemu: owner /dev/ttyS* rw,
If that doesn't work, can you try: /dev/ttyS* rw,
Guenther, did you have AppArmor denials in your kern.log?
Can people try adding this to /etc/apparmor. d/abstractions/ libvirt- qemu:
owner /dev/ttyS* rw,
If that doesn't work, can you try:
/dev/ttyS* rw,