And in the Arch forums they have this: https://bbs.archlinux.org/viewtopic.php?id=245501 ----------------------------------------------
I applied patch from here - https://patchwork.kernel.org/patch/10913251/ - to kernel 5.1-rc6 and recompiled with unchanged .config. this patch addresses hid-core.c and hid-input.c driver modules output of sudo libinput debug-events shows POINTER_AXIS events for every wheel click, so mouse scroll is normal for these mice that I have tested: "Microsoft Standard Wireless Desktop mouse" - wireless "Wheel Mouse Optical 1.1A USB and PS/2 Compatible" - USB "OPTICAL MOUSE" - ?? generic brand - USB "Microsoft Wireless Optical Mouse 2000" - wireless The solution appears to be coming in future kernel 5.x release so I have marked this as [SOLVED] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1871415 Title: Upgrading 18.04 to 20.04: Issues with Logitech Mouse Scroll Button To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1871415/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
