Following DaveHansen's comment, if you stop avahi daemon, no CPU high usage. Ditto if you restart avahi daemon again after having stopped it. So seems it's indeed an avahi problem
-- You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. https://bugs.launchpad.net/bugs/31037 Title: Vino-server takes 90% of cpu when only listening for incoming connections -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs