Experiencing this too. For me it seems to happen specifically when the address book is being explicitly opened, or implicity accesed by type- ahead when entering addresses. Planning on running this through a profiler asap.
Running 1.5.0.7-0ubuntu0.6.06 -- Thunderbird full cpu https://launchpad.net/bugs/53439 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
