UPDATE: This issue has now been resolved. In order to undo the Linux kernel downgrade from below, please run these commands one by one.
sudo apt-mark unhold raspberrypi-kernel
sudo apt-mark unhold raspberrypi-kernel-headers
sudo apt purge matrixio-kernel-modules
sudo apt purge raspberrypi-kernel-headers
sudo apt update && sudo apt upgrade
sudo reboot
sudo apt install matrixio-kernel-modules
sudo reboot
Hey all,
If you’re having issues with the MATRIX kernel modules due to incompatibilities with the latest Linux kernel 5.4, I would recommend following the steps below to temporarily downgrade to Linux kernel 4.19.118.
cd ~/
wget -q --show-progress -O "rpi_kernel_4-19.deb" http://archive.raspberrypi.org/debian/pool/main/r/raspberrypi-firmware/raspberrypi-kernel_1.20200512-2_armhf.deb
wget -q --show-progress -O "rpi_kernel_headers_4-19.deb" http://archive.raspberrypi.org/debian/pool/main/r/raspberrypi-firmware/raspberrypi-kernel-headers_1.20200512-2_armhf.deb
sudo apt purge raspberrypi-kernel-headers
sudo apt install ./rpi_kernel_4-19.deb
sudo apt install ./rpi_kernel_headers_4-19.deb
sudo apt-mark hold raspberrypi-kernel
sudo apt-mark hold raspberrypi-kernel-headers
sudo reboot
Then, to install the MATRIX kernel modules, follow the steps here.
Our engineers are making progress with updating the MATRIX kernel modules to work with Linux kernel 5.4 and we will let you know when it is good to go.
Thanks for your patience and let us know if you have any questions.
Best,
Samreen