this post was submitted on 15 Sep 2026
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postmarketOS (moved to lemmy.world/c/nura ๐๐๐)
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I guess, same as on desktop. Do you have a device for it in xev/wev/xinput/swaymsg -t get_inputs/lsusb(?)/lspci/... is the device being set up sometime in
journalctl -b0(I guess you have systemd, right?) ?When going deeper there probably are some other steps but initially think of it as if you booted a Linux on a laptop and its touchscreen didn't work. It might be the kernel in the end, but first go from the top down. Right now your WM does not get touchscreen events. So does your X/Wayland get the device? If not, get deeper. Yes, look around if it sends any events
my system doesnt has xev/wev/xinput, I tried finding the packages for those but I couldn't, journalctl -b0 gave some interesting things
here are some snips of it that i think are relevant
[...]
[...]
I'm not sure there's something about input in here
I know that those are different devices but take a look what was being used for debugging those issues
https://gitlab.postmarketos.org/postmarketOS/pmaports/-/work_items/352
https://gitlab.postmarketos.org/postmarketOS/pmaports/-/work_items/337
Can you run
libinput debug-eventsand touch the screen a bit?https://wiki.postmarketos.org/wiki/Input_devices