More to the point, ceaseless emissions of the message: brcmsmac bcma0:1: START: tid 1 is not agg'able For the last 1 hour and 20 minutes(i.e. since booting) I have 1735 such messages in dmesg.
This is new on the f22 machine. The wifi chip is 02:00.0 Network controller: Broadcom Corporation BCM43224 802.11a/b/g/n (rev 01)
The ether port is not used.