Recently I did a sudo apt update/upgrade on my raspberry pi. It is running 64 bit raspberry pi os (I think). When I do cat /etc/os-release it shows that it is running debian 11 and the pretty name is debian GNU/Linux. I noticed that after running the sudo update my cm4io-fan dkms module didn't work so I tried to reinstall it but it complained about missing linux headers. I checked uname -r and it said I was running 5.15.something kernel. When I tried to manually install header using sudo apt-get install linux-headers-$(uname -r) but it errored saying it couldn't find those moudles. I double checked and apt said I was up to date. So, I tried to just reboot the pi, but now I notice that when I run uname -r it shows linux kernel is 6.1.19. This is strange. I check apt to see which linux-image packages I have installed and it only shows 5.10 images. dpkg shows no linux-image packages. I am quite confused on what may be happening. Most programs seem to work fine, but I cannot install my cm4io-fan module since it is hard coded to only install if I am running linux kernel version 5. Also, it seems that the latest raspberry pi os should be using 5.15 linux kernel so I want to now what is going wrong with my linux install?
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Eliot Foss
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