Similar behaviour here with Ubuntu 12.04 after recent updates. lspci -vvnn | grep 14e4 02:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller [14e4:4727] (rev 01)
With the proprietary driver disabled the problem goes away.
Similar behaviour here with Ubuntu 12.04 after recent updates.
lspci -vvnn | grep 14e4
02:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller [14e4:4727] (rev 01)
With the proprietary driver disabled the problem goes away.