** Description changed: - y machine fails to connect wifi network. + My machine fails to connect wifi network. I use Kubuntu 20.10. Here are my machine's information. lspci -vvnn | grep -A 9 Network 01:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM4356 802.11ac Wireless Network Adapter [14e4:43ec] (rev 02) - Subsystem: Gemtek Technology Co., Ltd BCM4356 802.11ac Wireless Network Adapter [17f9:0036] - Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ - Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- - Latency: 0, Cache Line Size: 64 bytes - Interrupt: pin A routed to IRQ 164 - Region 0: Memory at 91800000 (64-bit, non-prefetchable) [size=32K] - Region 2: Memory at 91400000 (64-bit, non-prefetchable) [size=4M] - Capabilities: <access denied> - Kernel driver in use: brcmfmac - Kernel modules: brcmfmac + Subsystem: Gemtek Technology Co., Ltd BCM4356 802.11ac Wireless Network Adapter [17f9:0036] + Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ + Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- + Latency: 0, Cache Line Size: 64 bytes + Interrupt: pin A routed to IRQ 164 + Region 0: Memory at 91800000 (64-bit, non-prefetchable) [size=32K] + Region 2: Memory at 91400000 (64-bit, non-prefetchable) [size=4M] + Capabilities: <access denied> + Kernel driver in use: brcmfmac + Kernel modules: brcmfmac lshw - *-network - description: Wireless interface - product: BCM4356 802.11ac Wireless Network Adapter - vendor: Broadcom Inc. and subsidiaries - physical id: 0 - bus info: pci@0000:01:00.0 - logical name: wlan1 - version: 02 + *-network + description: Wireless interface + product: BCM4356 802.11ac Wireless Network Adapter + vendor: Broadcom Inc. and subsidiaries + physical id: 0 + bus info: pci@0000:01:00.0 + logical name: wlan1 + version: 02 And Ksystemlog says 2022/01/22 2:49 NetworkManager <info> [1642787376.6460] device (wlan1): Activation: starting connection 'elecom-b3306f' (81bdc1ee-e44b-4121-aab5-62f3395e399d) 2022/01/22 2:49 NetworkManager <info> [1642787376.6482] audit: op="connection-activate" uuid="81bdc1ee-e44b-4121-aab5-62f3395e399d" name="elecom-b3306f" pid=1168 uid=1000 result="success" 2022/01/22 2:49 NetworkManager <info> [1642787376.6486] device (wlan1): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed') 2022/01/22 2:49 NetworkManager <info> [1642787376.6503] manager: NetworkManager state is now CONNECTING 2022/01/22 2:49 NetworkManager <info> [1642787376.6512] device (wlan1): state change: prepare -> config (reason 'none', sys-iface-state: 'managed') 2022/01/22 2:49 NetworkManager <info> [1642787376.6535] device (wlan1): Activation: (wifi) access point 'elecom-b3306f' has security, but secrets are required. 2022/01/22 2:49 NetworkManager <info> [1642787376.6536] device (wlan1): state change: config -> need-auth (reason 'none', sys-iface-state: 'managed') 2022/01/22 2:49 NetworkManager <info> [1642787376.6547] sup-iface[039a263b9d4622b5,1,wlan1]: wps: type pbc start... 2022/01/22 2:49 wpa_supplicant wlan1: WPS-PBC-ACTIVE 2022/01/22 2:49 NetworkManager <info> [1642787376.7249] device (wlan1): supplicant interface state: disconnected -> scanning 2022/01/22 2:49 NetworkManager <info> [1642787376.7251] device (p2p-dev-wlan1): supplicant management interface state: disconnected -> scanning 2022/01/22 2:49 NetworkManager <info> [1642787376.7502] device (wlan1): state change: need-auth -> prepare (reason 'none', sys-iface-state: 'managed') 2022/01/22 2:49 NetworkManager <info> [1642787376.7523] device (wlan1): state change: prepare -> config (reason 'none', sys-iface-state: 'managed') 2022/01/22 2:49 NetworkManager <info> [1642787376.7549] device (wlan1): Activation: (wifi) connection 'elecom-b3306f' has security, and secrets exist. No new secrets needed. 2022/01/22 2:49 NetworkManager <info> [1642787376.7564] Config: added 'ssid' value 'elecom-b3306f' 2022/01/22 2:49 NetworkManager <info> [1642787376.7565] Config: added 'scan_ssid' value '1' 2022/01/22 2:49 NetworkManager <info> [1642787376.7565] Config: added 'bgscan' value 'simple:30:-70:86400' 2022/01/22 2:49 NetworkManager <info> [1642787376.7566] Config: added 'key_mgmt' value 'WPA-PSK WPA-PSK-SHA256 FT-PSK' 2022/01/22 2:49 NetworkManager <info> [1642787376.7566] Config: added 'psk' value '<hidden>' 2022/01/22 2:49 NetworkManager <info> [1642787376.7853] device (wlan1): supplicant interface state: scanning -> inactive 2022/01/22 2:49 NetworkManager <info> [1642787376.7870] device (p2p-dev-wlan1): supplicant management interface state: scanning -> inactive 2022/01/22 2:49 wpa_supplicant wlan1: Trying to associate with SSID 'elecom-b3306f' 2022/01/22 2:49 NetworkManager <info> [1642787376.8465] device (wlan1): supplicant interface state: inactive -> associating 2022/01/22 2:49 NetworkManager <info> [1642787376.8467] device (p2p-dev-wlan1): supplicant management interface state: inactive -> associating 2022/01/22 2:49 wpa_supplicant wlan1: CTRL-EVENT-ASSOC-REJECT bssid=00:00:00:00:00:00 status_code=16 2022/01/22 2:49 wpa_supplicant wlan1: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="elecom-b3306f" auth_failures=1 duration=10 reason=CONN_FAILED 2022/01/22 2:49 NetworkManager <info> [1642787377.4247] device (wlan1): supplicant interface state: associating -> disconnected 2022/01/22 2:49 NetworkManager <info> [1642787377.4250] device (p2p-dev-wlan1): supplicant management interface state: associating -> disconnected
** Description changed: My machine fails to connect wifi network. - I use Kubuntu 20.10. + I use Kubuntu 21.10. + Here are my machine's information. lspci -vvnn | grep -A 9 Network 01:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM4356 802.11ac Wireless Network Adapter [14e4:43ec] (rev 02) Subsystem: Gemtek Technology Co., Ltd BCM4356 802.11ac Wireless Network Adapter [17f9:0036] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 164 Region 0: Memory at 91800000 (64-bit, non-prefetchable) [size=32K] Region 2: Memory at 91400000 (64-bit, non-prefetchable) [size=4M] Capabilities: <access denied> Kernel driver in use: brcmfmac Kernel modules: brcmfmac lshw *-network description: Wireless interface product: BCM4356 802.11ac Wireless Network Adapter vendor: Broadcom Inc. and subsidiaries physical id: 0 bus info: pci@0000:01:00.0 logical name: wlan1 version: 02 And Ksystemlog says 2022/01/22 2:49 NetworkManager <info> [1642787376.6460] device (wlan1): Activation: starting connection 'elecom-b3306f' (81bdc1ee-e44b-4121-aab5-62f3395e399d) 2022/01/22 2:49 NetworkManager <info> [1642787376.6482] audit: op="connection-activate" uuid="81bdc1ee-e44b-4121-aab5-62f3395e399d" name="elecom-b3306f" pid=1168 uid=1000 result="success" 2022/01/22 2:49 NetworkManager <info> [1642787376.6486] device (wlan1): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed') 2022/01/22 2:49 NetworkManager <info> [1642787376.6503] manager: NetworkManager state is now CONNECTING 2022/01/22 2:49 NetworkManager <info> [1642787376.6512] device (wlan1): state change: prepare -> config (reason 'none', sys-iface-state: 'managed') 2022/01/22 2:49 NetworkManager <info> [1642787376.6535] device (wlan1): Activation: (wifi) access point 'elecom-b3306f' has security, but secrets are required. 2022/01/22 2:49 NetworkManager <info> [1642787376.6536] device (wlan1): state change: config -> need-auth (reason 'none', sys-iface-state: 'managed') 2022/01/22 2:49 NetworkManager <info> [1642787376.6547] sup-iface[039a263b9d4622b5,1,wlan1]: wps: type pbc start... 2022/01/22 2:49 wpa_supplicant wlan1: WPS-PBC-ACTIVE 2022/01/22 2:49 NetworkManager <info> [1642787376.7249] device (wlan1): supplicant interface state: disconnected -> scanning 2022/01/22 2:49 NetworkManager <info> [1642787376.7251] device (p2p-dev-wlan1): supplicant management interface state: disconnected -> scanning 2022/01/22 2:49 NetworkManager <info> [1642787376.7502] device (wlan1): state change: need-auth -> prepare (reason 'none', sys-iface-state: 'managed') 2022/01/22 2:49 NetworkManager <info> [1642787376.7523] device (wlan1): state change: prepare -> config (reason 'none', sys-iface-state: 'managed') 2022/01/22 2:49 NetworkManager <info> [1642787376.7549] device (wlan1): Activation: (wifi) connection 'elecom-b3306f' has security, and secrets exist. No new secrets needed. 2022/01/22 2:49 NetworkManager <info> [1642787376.7564] Config: added 'ssid' value 'elecom-b3306f' 2022/01/22 2:49 NetworkManager <info> [1642787376.7565] Config: added 'scan_ssid' value '1' 2022/01/22 2:49 NetworkManager <info> [1642787376.7565] Config: added 'bgscan' value 'simple:30:-70:86400' 2022/01/22 2:49 NetworkManager <info> [1642787376.7566] Config: added 'key_mgmt' value 'WPA-PSK WPA-PSK-SHA256 FT-PSK' 2022/01/22 2:49 NetworkManager <info> [1642787376.7566] Config: added 'psk' value '<hidden>' 2022/01/22 2:49 NetworkManager <info> [1642787376.7853] device (wlan1): supplicant interface state: scanning -> inactive 2022/01/22 2:49 NetworkManager <info> [1642787376.7870] device (p2p-dev-wlan1): supplicant management interface state: scanning -> inactive 2022/01/22 2:49 wpa_supplicant wlan1: Trying to associate with SSID 'elecom-b3306f' 2022/01/22 2:49 NetworkManager <info> [1642787376.8465] device (wlan1): supplicant interface state: inactive -> associating 2022/01/22 2:49 NetworkManager <info> [1642787376.8467] device (p2p-dev-wlan1): supplicant management interface state: inactive -> associating 2022/01/22 2:49 wpa_supplicant wlan1: CTRL-EVENT-ASSOC-REJECT bssid=00:00:00:00:00:00 status_code=16 2022/01/22 2:49 wpa_supplicant wlan1: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="elecom-b3306f" auth_failures=1 duration=10 reason=CONN_FAILED 2022/01/22 2:49 NetworkManager <info> [1642787377.4247] device (wlan1): supplicant interface state: associating -> disconnected 2022/01/22 2:49 NetworkManager <info> [1642787377.4250] device (p2p-dev-wlan1): supplicant management interface state: associating -> disconnected -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1958911 Title: BCM4356 wifi chipset fail to connect To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1958911/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs