Public bug reported:
network-manager problems
June 4, 2020 apt update installed two networking packages:
network-manager_1.14.6-2+deb10u1_amd64.deb
libnm0_1.14.6-2+deb10u1_amd64.deb
System:
Kernel: 5.4.0-33-generic x86_64
Desktop: MATE 1.24.0
Distro: Ubuntu 20.04 LTS (Focal Fossa)
Machine:
Type: Laptop System: Dell product: Latitude E6530 v: 01
After rebooting the laptop, the wireless access point(s) are no longer
available in the Network Manager. The "Enable Wi-Fi" is checked. "Wi-Fi
Networks" is grayed out.
Network:
Device-2: Broadcom and subsidiaries BCM43228 802.11a/b/g/n driver: wl
IF: wlp2s0 state: dormant mac: 3c:77:e6:7c:5d:7b
$ sudo ip addr
wlp2s0: <NO-CARRIER,BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel
state DORMANT group default qlen 1000
link/ether 3c:77:e6:7c:5d:7b brd ff:ff:ff:ff:ff:ff
$ sudo nmcli
wlp2s0: disconnected
"Broadcom and subsidiaries BCM43228"
wifi (wl), 3C:77:E6:7C:5D:7B, hw, mtu 1500
$ sudo nmcli device show
GENERAL.DEVICE: wlp2s0
GENERAL.TYPE: wifi
GENERAL.HWADDR: 3C:77:E6:7C:5D:7B
GENERAL.MTU: 1500
GENERAL.STATE: 30 (disconnected)
GENERAL.CONNECTION: --
GENERAL.CON-PATH: --
$ sudo nmcli radio wifi
enabled
$ sudo iwlist wlp2s0 scanning
wlp2s0 No scan results
$ sudo iwlist wlp2s0 accesspoints
wlp2s0 Interface doesn't have a list of Peers/Access-Points
$ sudo iwlist wlp2s0 ap
wlp2s0 Interface doesn't have a list of Peers/Access-Points
$ sudo iwlist wlp2s0 wpakeys
wlp2s0 2 key sizes : 40, 104bits
4 keys available :
Error reading wpa keys (SIOCGIWENCODEEXT): Operation not supported
$ sudo iwconfig wlp2s0
wlp2s0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=200 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:on
$ sudo rfkill list
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
2: brcmwl-0: Wireless LAN
Soft blocked: no
Hard blocked: no
3: dell-wifi: Wireless LAN
Soft blocked: no
Hard blocked: no
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1882242
Title:
June 4th network-manager update kills wireless networking
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