--- Comment #13 from Frank Kr�ger email@example.com --- (In reply to Robby Engelmann from comment #10)
how can I blacklist it? It should be used indeed.
Yes, of course. It was just a suggestion to find out whether iwlwifi is the culprit (cd /etc/modprobe.d, add 'blacklist iwlwifi' to 50-blacklist.conf, reboot.)