Qubes update kernel in order to install librem drivers

User Support
1

Hi,
I’m trying to install the librem 14 drivers for Qubes but I’m having an issue with the kernel source in dom0 found at /usr/src/kernels/5.4.175-1.fc25.qubes.x86_64 being different than the currently running kernel returned by uname -r which is 5.4.156-1.fc25.qubes.x86_64. This is causing an issue where when running sudo dkms build librem_ec_acpi/1.0 fails because the correct symlinks are not created due this discrepancy in versioning.

I’ve tried installing a new kernel with sudo qubes-dom0-update kernel but this simply states that I’m reinstalling and nothing changes.

My course of action is currently to synchronize the kernel source and the running kernel. But I am not sure how to do this, do you have any suggestion?

I might also change the librem driver symlinks to the correct source.

2

Does

$ sudo qubes-dom0-update --enablerepo=qubes-dom0-current-testing kernel-latest

and recreating grub helps?

3
4

Hi, thank you for the suggestion.
I installed the latest kernel and it is correctly showing that in uname -r however in /usr/src/kernels/ I’m still only seeing the 5.4.175 kernel source code.

5

And this?

sudo qubes-dom0-update --enablerepo=qubes-dom0-current-testing kernel-devel

6

This outputs that

Package kernel-devel-1000:5.4.175-1.fc25.qubes.x86_64 is already installed.
Dependencies resolved.
Nothing to do.
Complete!
No packages downloaded

for some reason the devel kernel is the one I already have. This is different from uname -r which outputs 5.16.11-1.fc25.qubes.x86_64

7

Hi,
I’ve tried to get this working again.
I’m now trying to figure out how to downgrade my kernel to 5.4.175 by first downloading it:
sudo qubes-dom0-update kernel-1000:5.4.175-1.fc25.qubes.x86_64 and then sudo dnf downgrade kernel-1000:5.4.175-1.fc25.qubes.x86_64 but this last command returns Package kernel of lowest version already installed, cannot downgrade it. Error: Nothing to do..

uname -r returns 5.16.11-1.fc25.qubes.x86_64 which is downloaded as kernel-latest from the testing repo.

How do I correct downgrade my kernel to 5.4.175?

8

Bump :slight_smile: