Need to report that the Broadcom BCM43228 wifi card intermittently shows the Wi-Fi networks. It will show them only occasionally; usually after a cold boot. If the machine is rebooted, the Wi-Fi networks disappear. Can anyone tell me how to test a wifi card for hardware failure?
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1882242 Title: June 4th network-manager update kills wireless networking Status in network-manager package in Ubuntu: New 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1882242/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp