2 days ago the wifi in my house stopped working only for Manjaro, I have 1 Android, 1 my wife's iPhone and a Windows notebook, they are all connecting normally in WiFi (so I discarded errors in router).
Doing a journalctl -f -u NetworkManager I am seeing a:
dhcp (wlp2s0) internal error code 12 after dispatch
My wifi works in unprotected WiFi networks though (without password)
Does anyone know / already experienced this issue?
Try doing this:
Follow these directions to enable dhclient.
Change the DHCP client backend to dhclient:
Mask the dhcpcd.service.
sudo systemctl stop dhcpcd.service && sudo systemctl mask dhcpcd.service
Ensure dhclient is installed:
sudo pacman -S dhclient --needed
Change the DHCP client backend to dhclient by creating a configuration file in /etc/NetworkManager/conf.d/.
Run the following command to auto-generate the required conf file:
echo -e "[main]\ndhcp=dhclient" | sudo tee /etc/NetworkManager/conf.d/dhcp-client.conf
Then reboot your computer and router.
Test your connection after making those changes.
The changes can be reversed with the following commands:
sudo rm etc/NetworkManager/conf.d/dhcp-client.conf && sudo systemctl unmask dhcpcd.service
Reboot.
You're very welcome. I'm so glad that solved your issue, and welcome to Manjaro.
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