WLAN verschwunden

waltraud@localhost:~> /sbin/lspci -nnk | grep -iA3 net
03:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n [14e4:4365] (rev 01)
       Subsystem: Hewlett-Packard Company Device [103c:804a]
       Kernel driver in use: bcma-pci-bridge
       Kernel modules: bcma
04:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet control
ler [10ec:8136] (rev 0a)
       Subsystem: Hewlett-Packard Company Device [103c:80a5]
       Kernel driver in use: r8169
       Kernel modules: r8169
waltraud@localhost:~> ip a  
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
   link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
   inet 127.0.0.1/8 scope host lo
      valid_lft forever preferred_lft forever
   inet6 ::1/128 scope host noprefixroute  
      valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
   link/ether 94:57:a5:e2:0a:2b brd ff:ff:ff:ff:ff:ff
   altname eno1
   altname enp4s0
waltraud@localhost:~>

linux-2:/home/waltraud # journalctl -b | grep -Ei 'firm|wlan|broad|bcma'  
Jun 20 14:41:53 localhost kernel: ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
Jun 20 14:41:53 localhost kernel: IPI shorthand broadcast: enabled
Jun 20 14:41:54 localhost kernel: wmi_bus wmi_bus-PNP0C14:00: [Firmware Info]: 00000000-0000-0000-0000-000000000000 has zero instances
Jun 20 14:41:54 localhost kernel: wmi_bus wmi_bus-PNP0C14:00: [Firmware Info]: 00000000-0000-0000-0000-000000000000 has zero instances
Jun 20 14:41:54 localhost kernel: wmi_bus wmi_bus-PNP0C14:00: [Firmware Info]: 00000000-0000-0000-0000-000000000000 has zero instances
Jun 20 14:41:54 localhost kernel: wmi_bus wmi_bus-PNP0C14:00: [Firmware Info]: 00000000-0000-0000-0000-000000000000 has zero instances
Jun 20 14:41:54 localhost kernel: wmi_bus wmi_bus-PNP0C14:01: [Firmware Info]: 8232DE3D-663D-4327-A8F4-E293ADB9BF05 has zero instances
Jun 20 14:41:54 localhost kernel: wmi_bus wmi_bus-PNP0C14:01: [Firmware Info]: 8F1F6436-9F42-42C8-BADC-0E9424F20C9A has zero instances
Jun 20 14:41:54 localhost kernel: wmi_bus wmi_bus-PNP0C14:01: [Firmware Info]: 8F1F6435-9F42-42C8-BADC-0E9424F20C9A has zero instances
Jun 20 14:41:54 localhost kernel: wmi_bus wmi_bus-PNP0C14:01: [Firmware Info]: DF4E63B6-3BBC-4858-9737-C74F82F821F3 has zero instances
Jun 20 14:41:55 localhost kernel: i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/skl_dmc_ver1_27.bin (v1.27)
Jun 20 14:41:55 localhost kernel: usb 1-7: Manufacturer: Broadcom Corp
Jun 20 14:41:56 localhost kernel: ACPI: video: [Firmware Bug]: ACPI(PXSX) defines _DOD but not _DOS
Jun 20 14:41:59 localhost kernel: ACPI: thermal: [Firmware Bug]: Invalid critical threshold (0)
Jun 20 14:41:59 localhost kernel: bcma-pci-bridge 0000:03:00.0: bus0: Found chip with id 43142, rev 0x01 and package 0x08
Jun 20 14:41:59 localhost kernel: bcma-pci-bridge 0000:03:00.0: bus0: Core 0 found: ChipCommon (manuf 0x4BF, id 0x800, rev 0x28, class 0x0)
Jun 20 14:41:59 localhost kernel: bcma-pci-bridge 0000:03:00.0: bus0: Core 1 found: IEEE 802.11 (manuf 0x4BF, id 0x812, rev 0x21, class 0x0)
Jun 20 14:41:59 localhost kernel: bcma-pci-bridge 0000:03:00.0: bus0: Core 2 found: PCIe (manuf 0x4BF, id 0x820, rev 0x16, class 0x0)
Jun 20 14:41:59 localhost kernel: bcma-pci-bridge 0000:03:00.0: bus0: Core 3 found: UNKNOWN (manuf 0x43B, id 0x368, rev 0x00, class 0x0)
Jun 20 14:41:59 localhost kernel: bcma-pci-bridge 0000:03:00.0: bus0: Bus registered
Jun 20 14:42:01 localhost NetworkManager[980]: <info>  [1718887321.1130] manager[0x55db8c558ce0]: monitoring kernel firmware directory '/lib/firmware'
.
Jun 20 14:42:01 localhost.localdomain kernel: Bluetooth: hci0: BCM: firmware Patch file not found, tried:
Jun 20 14:42:01 localhost.localdomain systemd[1]: Starting download broadcom firmware files needed for bcm43xx WLAN chips...
Jun 20 14:42:01 localhost.localdomain install_bcm43xx_firmware_wrapper[1265]: Downloading b43 firmware
Jun 20 14:42:01 localhost.localdomain install_bcm43xx_firmware_wrapper[1280]: curl: (6) Could not resolve host: www.lwfinger.com
Jun 20 14:42:01 localhost.localdomain install_bcm43xx_firmware_wrapper[1265]: Could not download b43 firmware. Please look at /usr/share/doc/packages/
b43-fwcutter/README.
Jun 20 14:42:01 localhost.localdomain install_bcm43xx_firmware_wrapper[1265]: Downloading b43legacy firmware
Jun 20 14:42:01 localhost.localdomain install_bcm43xx_firmware_wrapper[1285]: curl: (6) Could not resolve host: downloads.openwrt.org
Jun 20 14:42:01 localhost.localdomain install_bcm43xx_firmware_wrapper[1265]: Could not download b43legacy firmware. Please look at /usr/share/doc/pac
kages/b43-fwcutter/README.
Jun 20 14:42:01 localhost.localdomain install_bcm43xx_firmware_wrapper[1265]: b43 firmware successfully installed.
Jun 20 14:42:02 localhost.localdomain kernel: Broadcom 43xx driver loaded [ Features: PNLS ]
Jun 20 14:42:02 localhost.localdomain install_bcm43xx_firmware_wrapper[1265]: b43legacy firmware successfully installed.
Jun 20 14:42:02 localhost.localdomain kernel: Broadcom 43xx-legacy driver loaded [ Features: PLID ]
Jun 20 14:42:02 localhost.localdomain systemd[1]: Finished download broadcom firmware files needed for bcm43xx WLAN chips.
Jun 20 14:42:04 localhost.localdomain systemd[1]: Startup finished in 4.618s (firmware) + 4.215s (loader) + 1.151s (kernel) + 3.413s (initrd) + 6.941s
(userspace) = 20.340s.