I can confirm exactly the same behaviour: Seahorse becomes unresponsive with 100 % CPU upon trying to edit the key properties of GPG keys DAFFB000 / B3B2A12C.
System details: Seahorse 3.2.2-0ubuntu2.1 Ubuntu 12.04.3 amd64 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to seahorse in Ubuntu. https://bugs.launchpad.net/bugs/1055175 Title: seahorse stops responding after importing a key with al lot signatures. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/seahorse/+bug/1055175/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs