I can confirm this issue with mumble 1.2.11 on Fedora 25. Steps to reproduce:
1. Attach external USB headset 2. Execute mumble audio-wizard and select pulseaudio + that USB headset 3. Quit the mumble client and detach external USB headset 4. Start mumble client and execute audio-wizard, again 5. Select pulseaudio + internal audio in/out (or just the default one) actual results: mumble client doesn't make progress, it consumes 100 % CPU - i.e. it hangs expected results: normal walk-through the wizard Workaround: Removing the `[audio]` and `[pulseaudio]` sections from `~/.config/Mumble/Mumble.conf` before starting the mumble client helps. That means with those sections removed the mumble audio wizard doesn't hang anymore and can be used as expected. This issue seems to be similar to https://sourceforge.net/p/mumble/bugs/750/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1268419 Title: mumble freezes in audio tuning wizard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mumble/+bug/1268419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs