Após uma atualização do sistema Arch hoje, meu wifi parou de funcionar. Isso está em um Macbook Air 2012.
% nmcli ~
lo: unmanaged
"lo"
loopback (unknown), 00:00:00:00:00:00, sw, mtu 65536
Use "nmcli device show" to get complete information about known devices and
"nmcli connection show" to get an overview on active connection profiles.
Consult nmcli(1) and nmcli-examples(5) manual pages for complete usage details.
% nmcli con up id guybrush ~
Error: Connection activation failed: No suitable device found for this connection.
% 4 ~
O que eu faço? Eu uso o driver broadcom-wl-dkms.
PS:
% sudo pacman -S broadcom-wl-dkms ~
resolving dependencies...
looking for conflicting packages...
Packages (1) broadcom-wl-dkms-6.30.223.271-17
Total Installed Size: 7.60 MiB
Net Upgrade Size: -0.02 MiB
:: Proceed with installation? [Y/n]
(1/1) checking keys in keyring [############################################################] 100%
(1/1) checking package integrity [############################################################] 100%
(1/1) loading package files [############################################################] 100%
(1/1) checking for file conflicts [############################################################] 100%
(1/1) checking available disk space [############################################################] 100%
:: Running pre-transaction hooks...
(1/1) Remove DKMS modules
==> dkms remove broadcom-wl/6.30.223.271 -k 4.15.1-2-ARCH
Error! There is no instance of broadcom-wl 6.30.223.271
for kernel 4.15.1-2-ARCH (x86_64) located in the DKMS tree.
==> dkms remove broadcom-wl/6.30.223.271 -k 4.7.5-1-ARCH
Error! There is no instance of broadcom-wl 6.30.223.271
for kernel 4.7.5-1-ARCH (x86_64) located in the DKMS tree.
:: Processing package changes...
(1/1) upgrading broadcom-wl-dkms [############################################################] 100%
To load the new module, run the following commands as root:
rmmod b43 b43legacy bcm43xx bcma brcm80211 brcmfmac brcmsmac ssb wl
modprobe wl
Or just reboot the system.
:: Running post-transaction hooks...
(1/2) Install DKMS modules
==> dkms install broadcom-wl/6.30.223.271 -k 4.15.1-2-ARCH
==> dkms install broadcom-wl/6.30.223.271 -k 4.7.5-1-ARCH
Error! Bad return status for module build on kernel: 4.7.5-1-ARCH (x86_64)
Consult /var/lib/dkms/broadcom-wl/6.30.223.271/build/make.log for more information.
(2/2) Arming ConditionNeedsUpdate...
%
Eu também tenho um Macbook com arco instalado. Eu não tenho isso aqui, então não posso dar uma resposta precisa, mas o que eu normalmente tento nesses casos é reverter para uma versão anterior do pacote:
cd /var/cache/pacman/pkg
sudo pacman -U broadcom-wl-dkms-VERSION
Se você instalou o driver através do AUR, pode estar desatualizado e, nesse caso, a reinstalação poderá corrigir o problema.
A instalação de b43-firmware do AUR resolveu o problema. Não há necessidade de rebaixar o driver.