Ubuntu 18.04가 설치된 Lenovo G550 노트북을 사용합니다.
18.04를 받은 후 WiFi가 매우 느립니다.
어떡해?
~$ lspci -knn | grep Net -A3:
04:00.0 Network controller [0280]: Broadcom Limited BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
Subsystem: Broadcom Limited BCM4312 802.11b/g LP-PHY [14e4:04b5]
Kernel driver in use: wl
Kernel modules: ssb, wl
07:00.0 Ethernet controller [0200]: Broadcom Limited NetLink BCM5906M Fast Ethernet PCI Express [14e4:1713] (rev 02)
Subsystem: Lenovo IdeaPad S10e [17aa:3a23]
Kernel driver in use: tg3
Kernel modules: tg3