See also: https://bugs.freedesktop.org/show_bug.cgi?id=98839 https://bugs.freedesktop.org/show_bug.cgi?id=94986
Hmm, if blacklisting or writing custom configs is the solution then maybe this bug should be hardware-specific. ** Bug watch added: freedesktop.org Bugzilla #94986 https://bugs.freedesktop.org/show_bug.cgi?id=94986 ** Summary changed: - Laptop touchpads are unresponsive (with hysteresis enabled by default) + X1 Carbon gen4 and gen5 touchpads are unresponsive and laggy ** Description changed: Some laptop touchpads are annoyingly unresponsive when the software implements any kind of hysteresis. This includes Lenovo X1 Carbon gen 4 and 5. Such devices have lower precision and higher lag in the touchpad hardware than you might expect, so need the software to not slow them down further. The problem now is that using libinput by default slows down all touchpads and makes them less precise. For hardware that was already unresponsive, introducing software that further reduces the responsiveness is very frustrating, borderline unusable. When we were using Xorg the simple solution was to adjust hysteresis with 'synclient'. However now we're using Wayland we're stuck with - libinput and I don't know how to fix it any more. Even Xorg logins don't - seem to use libinput now, so there's no 'synclient' workaround available + libinput and I don't know how to fix it any more. Even Xorg logins seem + to use libinput now, so there's no 'synclient' workaround available there anymore either. ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: libinput10 1.6.3-1ubuntu1 ProcVersionSignature: Ubuntu 4.10.0-22.24-generic 4.10.15 Uname: Linux 4.10.0-22-generic x86_64 ApportVersion: 2.20.5-0ubuntu4 Architecture: amd64 Date: Fri Jun 9 14:52:18 2017 InstallationDate: Installed on 2017-06-08 (0 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170607) SourcePackage: libinput UpgradeStatus: No upgrade log present (probably fresh install) ** Changed in: libinput (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to libinput in Ubuntu. https://bugs.launchpad.net/bugs/1696929 Title: X1 Carbon gen4 and gen5 touchpads are unresponsive and laggy To manage notifications about this bug go to: https://bugs.launchpad.net/libinput/+bug/1696929/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
