I am seeing the same issue. When Thunderbird hangs and it´s window is greyed out, there is heavy disk usage and in the processlist´s "waiting channel" thunderbird-bin shows "blkdev_issue_flush".
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/681183 Title: Thunderbird hangs and greys out for 10-20 seconds -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
