Wifi stops working after kernel upgraded to 4.15
Code:
$uname -r
4.15.0-10-generic
$sudo lshw -C network
[sudo] password for monkeybrain:
*-network DISABLED
description: Wireless interface
product: BCM4313 802.11bgn Wireless Network Adapter
vendor: Broadcom Limited
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlp2s0b1
version: 01
serial: 68:a3:c4:2f:07:b0
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=brcmsmac driverversion=4.15.0-10-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
resources: irq:17 memory:f5500000-f5503fff
But it works if boot into kernel 4.13
Code:
$ uname -r
4.13.0-25-generic
$ sudo lshw -C network
[sudo] password for monkeybrain:
*-network
description: Wireless interface
product: BCM4313 802.11bgn Wireless Network Adapter
vendor: Broadcom Limited
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlp2s0b1
version: 01
serial: 68:a3:c4:2f:07:b0
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=brcmsmac driverversion=4.13.0-25-generic firmware=610.812 ip=192.168.1.2 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:17 memory:f5500000-f5503fff
Seems that some firmware is missing.