Same Problem. Dell Latitude D420 0c:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11a/b/g [14e4:4312] (rev 01)
5.100.82.38+bdcom-0ubuntu3.2 and 5.100.82.38+bdcom-0ubuntu3 both fail.
5.60.246.2+bdcom-0ubuntu3 works
Same Problem. Dell Latitude D420
0c:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11a/b/g [14e4:4312] (rev 01)
5.100.82. 38+bdcom- 0ubuntu3. 2 and 5.100.82. 38+bdcom- 0ubuntu3 both fail.
5.60.246. 2+bdcom- 0ubuntu3 works