Lastly I have problems with synaptics touchpad. I set KDE Plasma to disable it, when a mouse is plugged in. But it "revives" very often. In dmesg I have: [218746.882290] psmouse serio4: TouchPad at isa0060/serio4/input0 lost synchronization, throwing 5 bytes away. [218747.399298] psmouse serio4: resync failed, issuing reconnect request [218747.704260] psmouse serio4: synaptics: device claims to have max coordinates query, but I'm not able to read it. [218747.731036] psmouse serio4: synaptics: device claims to have min coordinates query, but I'm not able to read it. [218747.758193] psmouse serio4: synaptics: Unable to initialize device. [218748.198572] psmouse serio4: synaptics: queried max coordinates: x [..5088], y [..3828] [218748.230689] psmouse serio4: synaptics: queried min coordinates: x [1024..], y [1044..] [218748.230699] psmouse serio4: synaptics: Your touchpad (PNP: SYN0a2d SYN0a00 SYN0002 PNP0f13) says it can support a different bus. If i2c-hid and hid-rmi are not used, you might want to try setting psmouse.synaptics_intertouch to 1 and report this to linux-input@xxxxxxxxxxxxxxx. [218748.289450] psmouse serio4: synaptics: Touchpad model: 1, fw: 8.1, id: 0x1e2b1, caps: 0xd00323/0x840300/0x126c00/0x0, board id: 2227, fw id: 1396050 [218748.321785] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio4/input/input239 My system: OpenSUSE 15.3. My kernel: kernel-default-5.3.18-150300.59.87.1.x86_64