Date: Fri, 08 Apr 2022 18:38:59 +0200 From: Bengt Ahlgren <bengt.ahlgren@ri.se> To: jbo@insane.engineer Cc: "stable@freebsd.org" <stable@freebsd.org> Subject: Re: Touchpad not working properly after suspend-resume Message-ID: <uh7ee27bkd8.fsf@P142.sics.se> In-Reply-To: <jLu1vfkyGtPJxTV2AizTvTWxaH9Ln5t2TBOmTK1MXTHj3azLfRj5tkinJ8KTmHW3FAQ5WHBMFKbMswRprV6aQL4PlS4JA6dNFzxNbeZXY7Q=@insane.engineer> (jbo@insane.engineer's message of "Wed, 06 Apr 2022 20:01:41 %2B0000") References: <Cl1s1OJKbfD8X_HkD3ue9Px8u9Pk81IdpHzRaPKKdEDfqp1-DF0vQVBeBV0Dc6wjaGDN6Ko5Xopdfb6H7oMLqm-YIZOtUlISLPsylw5AmD8=@insane.engineer> <jLu1vfkyGtPJxTV2AizTvTWxaH9Ln5t2TBOmTK1MXTHj3azLfRj5tkinJ8KTmHW3FAQ5WHBMFKbMswRprV6aQL4PlS4JA6dNFzxNbeZXY7Q=@insane.engineer>
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jbo@insane.engineer writes: > Hello folks, > > I'm experiencing issues with the touchpad after resuming from suspend. > > System: > - Lenovo ThinkPad X1 Carbon Gen9 > - FreeBSD 13.1-STABLE (March 27 2022) > > After a regular boot, the touchpad is working as expected. If I then use zzz(8) to suspend the system and resume afterwards, the touchpad is behaving weirdly: > - Regular cursor movements (one finger) are very, very laggy. It feels like the system is updating the cursor's position only once ever 800ms (or there about). > - Anything multi-touch related such as two-finger scrolling is not working at all. > > The keyboard and the trackpoint (joystick-thingy) continue to work as expected after resuming from suspend. > > I'm using libinput as the input driver. Here's the relevant part of my Xorg config: > > Section "InputClass" > Identifier "libinput touchpad catchall" > Driver "libinput" > MatchIsTouchpad "on" > MatchDevicePath "/dev/input/event*" > Option "AccelSpeed" "0.5" > Option "ClickMethod" "clickfinger" > Option "DisableWhileTyping" "on" > Option "HorizontalScrolling" "on" > Option "LeftHanded" "off" > Option "NaturalScrolling" "on" > Option "ScrollMethod" "twofinger" > Option "Tapping" "on" > Option "TappingDrag" "on" > Option "TappingDragLock" "off" > EndSection > > Any idea how to track down the problem, what the problem could be or how to fix this? > I could not spot anything obviously in Xorg's log. I seem to remember that some Thinkpads required tweaking the flags for the psm device for the pointer to work after resume. Could be worth a try, even though you write that the trackpoint is ok. See the manual page for psm(4). Bengt
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