Thanks Sebastien. I'm beginning to suspect a faulty WiFi card. Wish there
was some way to determine if that is the culprit.

On Mon, Jun 8, 2020 at 4:30 PM Sebastien Bacher <email address hidden>
wrote:

> The update mentioned fixes the iptables path on systemd not having
> usrmerged, it's probably not the issue there
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1882242
>
> Title:
>   June 4th network-manager update kills wireless networking
>
> Status in network-manager package in Ubuntu:
>   Incomplete
>
> Bug description:
>   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
>
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>
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>