Not 100% sure yet, but the solution proposed here: https://bugs.launchpad.net/ubuntu/+source/hal/+bug/131835 seems to fix my problem.
-- Gutsy regression: ipw3945 goes up to 100%CPU. No way to kill the process. https://bugs.launchpad.net/bugs/155971 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs