May 01, 2026

dkms might not be built correctly post-apt-upgrade

Not just ubuntu, debian also has similar issue that after a big upgrade through apt upgrade, you might not get the link to the right version of kernel header.

So the next time you lose your broadcom-sta-dkms after rebooting post upgrade, you know you can do

apt install linux-headers-$(uname -r)

Just that you have to have a backup network… Or you could create a case of circular depedencies: “You need a working network to install a package in order to fix the network.

Posted by mjhsieh at May 01, 2026 02:00 PM