The hang on exit while closing the sound devices is unrelated. Probably not a deadlock, only a slow I/O operation and hardware interaction. Hard to trace without the actual device setup at hand.
Now we know that the deadlock is originating from WOverview. Do you still experience any deadlocks after disabling tcmalloc and profiler from Google PerfTools? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1789059 Title: continual GUI freeze To manage notifications about this bug go to: https://bugs.launchpad.net/mixxx/+bug/1789059/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs