I had the same problem, and I overlooked the most simple case - look at the Activity Manager (Tools->Activity Manager) and find out that Thunderbird was synching my complete imap email account with the local machine!
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/984801 Title: Thunderbird 11 has stupidly high idle CPU usage To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/984801/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
