Am Mi., 24. Apr. 2024 um 22:12 Uhr schrieb Lyude Paul <lyude@xxxxxxxxxx>: > > FWIW: You might have better luck asking on some of the linux-input > lists.... however > > you got lucky because it happens I've both worked on this stack and > dealt with this exact machine haha. So I actually can answer this > (response down below): It turns out I didn't get any replies from anyone. > > On Tue, 2024-04-23 at 15:12 +0100, Ottavio Caruso wrote: > > Hi, > > > > $ sudo X -version > > > > X.Org X Server 1.21.1.7 > > X Protocol Version 11, Revision 0 > > Current Operating System: Linux t440 6.1.0-20-amd64 #1 SMP > > PREEMPT_DYNAMIC Debian 6.1.85-1 (2024-04-11) x86_64 > > Kernel command line: BOOT_IMAGE=/boot/vmlinuz-6.1.0-20-amd64 > > root=UUID=42a17f43-89bb-4523-952f-b8d97bcb4a30 ro quiet > > xorg-server 2:21.1.7-3+deb12u7 (https://www.debian.org/support) > > Current version of pixman: 0.42.2 > > > > $ xinput --version > > xinput version 1.6.3 > > XI version on server: 2.4 > > > > > > > > On my old-ish Thinkpad T440, libinput alternatively calls my touchpad > > "SynPS/2 Synaptics" or "Synaptics TM2722-001". > > > > $ grep Synaptics /var/log/messages > > Nov 26 09:12:38 t440 kernel: [18070.908478] psmouse serio1: > > synaptics: > > serio: Synaptics pass-through port at isa0060/serio1/input0 > > Nov 26 09:12:38 t440 kernel: [18070.947812] input: SynPS/2 Synaptics > > TouchPad as /devices/platform/i8042/serio1/input/input35 > > Nov 26 20:33:19 t440 kernel: [27221.274488] rmi4_f01 rmi4-00.fn01: > > found > > RMI device, manufacturer: Synaptics, product: TM2722-001, fw id: 0 > > Nov 26 20:33:19 t440 kernel: [27221.314747] input: Synaptics TM2722- > > 001 > > as /devices/pci0000:00/0000:00:1f.3/i2c-0/0-002c/rmi4- > > 00/input/input39 > > Nov 27 19:28:05 t440 kernel: [ 6.327297] psmouse serio1: > > synaptics: > > serio: Synaptics pass-through port at isa0060/serio1/input0 > > Nov 27 19:28:05 t440 kernel: [ 6.366655] input: SynPS/2 Synaptics > > TouchPad as /devices/platform/i8042/serio1/input/input2 > > > > This without even rebooting or suspending the laptop. > > I don't think this has anything to do with libinput - Synaptics > touchpads from around this generation will initially get setup as a > PS/2 device during boot. But PS/2 mode is very limited (and somewhat > buggy) functionality wise, so at the first opportunity the synaptics > kernel driver will query the touchpad to figure out if it can be > supported over RMI4. If so, the driver is supposed to switch the > touchpad to that mode and discard the PS/2 device. So - it sounds like > what's happening is that is broken for some reason. > > FWIW: I added linux-input to this thread along with our synaptics > contact: Andrew Duggan. > > > > > I have some scripts that disable or enable the touchpad (especially > > when > > I use the mouse) and I have to use tricks to accommodate this. > > > > Why does this happen in the first place? How can I troubleshoot it? > > > > Thanks. > > > > -- > Cheers, > Lyude Paul (she/her) > Software Engineer at Red Hat > -- Ottavio Caruso A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?
