Hi,

i have no more ideas to fix my problem. i tried maybe everything, read many hints or tricks, but nothing does the job. i cant scan, so there's no wifi network displayed, and i cant connect to any network. Maybe someone can help here...

lspci -nnk | grep -iA2 net; sudo dmesg | grep iwl 1 ⨯
02:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM4322 802.11a/b/g/n Wireless LAN Controller [14e4:432b] (rev 01)
Subsystem: Apple Inc. AirPort Extreme [106b:008d]
Kernel driver in use: b43-pci-bridge
--
03:00.0 Ethernet controller [0200]: Broadcom Inc. and subsidiaries NetXtreme BCM5764M Gigabit Ethernet PCIe [14e4:1684] (rev 10)
Subsystem: Broadcom Inc. and subsidiaries NetXtreme BCM5764M Gigabit Ethernet PCIe [14e4:1684]
Kernel driver in use: tg3
Kernel modules: tg3
uname -r 1 ⨯
5.9.0-kali5-amd64
fconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.178.111 netmask 255.255.255.0 broadcast 192.168.178.255
inet6 fe80::ca2a:14ff:fe00:61db prefixlen 64 scopeid 0x20<link>
inet6 2003:ce:5f24:9400:b05c:d6b7:ea43:1c6 prefixlen 64 scopeid 0x0<global>
inet6 2003:ce:5f24:9400:ca2a:14ff:fe00:61db prefixlen 64 scopeid 0x0<global>
ether c8:2a:14:00:61:db txqueuelen 1000 (Ethernet)
RX packets 24425 bytes 4384465 (4.1 MiB)
RX errors 0 dropped 11397 overruns 0 frame 0
TX packets 5950 bytes 837540 (817.9 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 16

lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Lokale Schleife)
RX packets 20 bytes 912 (912.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 20 bytes 912 (912.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

wlan0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether f2:d3:77:43:97:3c txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
iwconfig
lo no wireless extensions.

eth0 no wireless extensions.

wlan0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
lspci -nnk | grep -iA2 net; dpkg -l | grep -i broadcom
02:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM4322 802.11a/b/g/n Wireless LAN Controller [14e4:432b] (rev 01)
Subsystem: Apple Inc. AirPort Extreme [106b:008d]
Kernel driver in use: b43-pci-bridge
--
03:00.0 Ethernet controller [0200]: Broadcom Inc. and subsidiaries NetXtreme BCM5764M Gigabit Ethernet PCIe [14e4:1684] (rev 10)
Subsystem: Broadcom Inc. and subsidiaries NetXtreme BCM5764M Gigabit Ethernet PCIe [14e4:1684]
Kernel driver in use: tg3
Kernel modules: tg3
ii b43-fwcutter 1:019-6 amd64 utility for extracting Broadcom 43xx firmware
rc broadcom-sta-dkms 6.30.223.271-15 all dkms source for the Broadcom STA Wireless driver
ii firmware-brcm80211 20201118-1 all Binary firmware for Broadcom/Cypress 802.11 wireless cards
sudo dmesg | tail
[10801.448626] b43 ssb0:0: Timeout waiting for bitmask 01800000 on register 0F90 to clear
[10801.664078] b43-phy0: Loading firmware version 784.2 (2012-08-15 21:35:19)
[11118.185042] b43-phy0 ERROR: DMA RX reset timed out
[11118.469103] b43-phy0 ERROR: DMA TX reset timed out
[11118.492713] b43 ssb0:0: Timeout waiting for bitmask 01800000 on register 0F90 to clear
[11118.697046] b43-phy0: Loading firmware version 784.2 (2012-08-15 21:35:19)
[11435.209057] b43-phy0 ERROR: DMA RX reset timed out
[11435.493033] b43-phy0 ERROR: DMA TX reset timed out
[11435.516607] b43 ssb0:0: Timeout waiting for bitmask 01800000 on register 0F90 to clear
[11435.720934] b43-phy0: Loading firmware version 784.2 (2012-08-15 21:35:19)

sudo iwlist scan 1 ⨯
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.

wlan0 No scan results

rfkill list all 1 ⨯
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: hci0: Bluetooth
Soft blocked: no
Hard blocked: no