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My machine fails to connect wifi network.
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
** Affects: linux-firmware (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment
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BCM4356 wifi chipset fail to connect
https://bugs.launchpad.net/bugs/1958911
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