Wireless wifi is not working after a chroot rescue on Arch Linux. (sh.itjust.works)

submitted 4 months ago by 257m@sh.itjust.works to c/linux@sh.itjust.works

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So basically I stupidly tried to update while my thinkpad had low battery and it powered off halfway through the update. The system wouldn't boot because it was complaining that vm-linuz/linux was not found so I performed a chroot-rescue and got it to boot again. I must have messed something up during the process because now the device wlan0 is not showing up in iwctl device list. How can I fix or diagnose this issue? (I am using btrfs if that helps). Has anyone had a similar situation and can lend a hand?

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[-] Novi@sh.itjust.works 6 points 4 months ago* (last edited 4 months ago)

Rebuild all dkms and kmod drivers, specifically your wireless driver. iferror, reinstall your kernel and firmware (if using firmware) again and allow mkinitcpio to finish and update grub/systemd-boot entries.

edit: typo

[-] Novi@sh.itjust.works 5 points 4 months ago* (last edited 4 months ago)

Should all the above fail the new kernel might have a bug In the driver for your wifi chip, revert to previous kernel.

Edit: you could also try to install another kernel release. (Zen, tkg, etc.)

[-] lurch@sh.itjust.works 5 points 4 months ago

compare old kernel logs if present.

also maybe start making backups like normal people idk

[-] AceSLS@ani.social 2 points 4 months ago* (last edited 4 months ago)

I'd recommend reinstalling all your packages like this (foreign ones shouldn't be neccessary)

[-] 257m@sh.itjust.works 1 points 4 months ago

Alright I solved it by just chrooting in again and deleted and reinstalled linux-firmware.

this post was submitted on 20 Mar 2024

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