This happens to me too on a Dell XPS 14z, same Centrino wireless card and same error message in dmesg.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1159145 Title: Centrino Advanced-N 6235 wireless connection on Dell XPS 13 crash with "iwlwifi: fail to flush all tx fifo queues" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1159145/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs