Thinkpad T530 missing Firmware

Erscheint folgendes in den Logdateien und gibt es Probleme mit dem WLAN Modul, so wird dies vermutlich an fehlender Firmware liegen

root@t530:/home/patrick# less /var/log/syslog 
root@t530:/home/patrick# cat /var/log/syslog  |grep firmware
Nov 25 22:02:12 t530 kernel: [    3.786034] psmouse serio2: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3
Nov 25 22:02:12 t530 kernel: [    5.491007] iwlwifi 0000:03:00.0: firmware: failed to load iwlwifi-6000-4.ucode (-2)
Nov 25 22:02:12 t530 kernel: [    5.491008] firmware_class: See https://wiki.debian.org/Firmware for information about missing firmware
Nov 25 22:02:12 t530 kernel: [    5.491009] iwlwifi 0000:03:00.0: Direct firmware load for iwlwifi-6000-4.ucode failed with error -2
Nov 25 22:02:12 t530 kernel: [    5.491015] iwlwifi 0000:03:00.0: check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
Nov 25 22:02:12 t530 kernel: [    5.855771] bluetooth hci0: firmware: failed to load brcm/BCM20702A1-0a5c-21e6.hcd (-2)
Nov 25 22:02:12 t530 kernel: [    5.855834] bluetooth hci0: Direct firmware load for brcm/BCM20702A1-0a5c-21e6.hcd failed with error -2
Nov 25 22:02:12 t530 NetworkManager[572]: <info>  [1574715732.3818] manager[0x5638292dc030]: monitoring kernel firmware directory '/lib/firmware'.
Nov 25 22:03:25 t530 kernel: [    3.819163] psmouse serio2: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3
Nov 25 22:03:25 t530 kernel: [    5.089385] iwlwifi 0000:03:00.0: firmware: failed to load iwlwifi-6000-4.ucode (-2)
Nov 25 22:03:25 t530 kernel: [    5.089386] firmware_class: See https://wiki.debian.org/Firmware for information about missing firmware
Nov 25 22:03:25 t530 kernel: [    5.089388] iwlwifi 0000:03:00.0: Direct firmware load for iwlwifi-6000-4.ucode failed with error -2
Nov 25 22:03:25 t530 kernel: [    5.089393] iwlwifi 0000:03:00.0: check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
Nov 25 22:03:25 t530 kernel: [    5.475606] bluetooth hci0: firmware: failed to load brcm/BCM20702A1-0a5c-21e6.hcd (-2)
Nov 25 22:03:25 t530 kernel: [    5.475691] bluetooth hci0: Direct firmware load for brcm/BCM20702A1-0a5c-21e6.hcd failed with error -2
Nov 25 22:03:25 t530 NetworkManager[608]: <info>  [1574715805.2005] manager[0x5563d49e0030]: monitoring kernel firmware directory '/lib/firmware'.
Nov 25 22:24:08 t530 kernel: [  769.240816] bluetooth hci0: firmware: failed to load brcm/BCM20702A1-0a5c-21e6.hcd (-2)
Nov 25 22:24:08 t530 kernel: [  769.240819] bluetooth hci0: Direct firmware load for brcm/BCM20702A1-0a5c-21e6.hcd failed with error -2

Mittel

apt search iwlwifi-6000-4.ucode

ist es einfach herauszufinden zu welchem Paket die fehlende Firmware gehört.

Sortierung... Fertig
Volltextsuche... Fertig
firmware-iwlwifi/stable 20190114-2 all
  Binary firmware for Intel Wireless cards

und nun lässt sie sich einfach via

apt install firmware-iwlwifi

nachinstallieren.