Thank you for reporting this bug to Ubuntu. Ubuntu 18.10 (cosmic) reached end-of-life on July 18, 2019.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in and change the bug status to Confirmed. ** Changed in: gnome-shell (Ubuntu) Status: Confirmed => Won't Fix ** Changed in: libinput (Ubuntu) Status: Confirmed => Won't Fix -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1792573 Title: gnome-shell assert failure: gnome-shell: ../src/evdev-mt- touchpad.c:1541: tp_detect_thumb_while_moving: Assertion failed: "first" Status in gnome-shell package in Ubuntu: Won't Fix Status in libinput package in Ubuntu: Won't Fix Bug description: https://gitlab.freedesktop.org/libinput/libinput/issues/170 --- Gnome Shell Wayland session crash twice while Logitech Touchpad T650 was used for scrolling. ProblemType: Crash DistroRelease: Ubuntu 18.10 Package: gnome-shell 3.30.0-1ubuntu2 Uname: Linux 4.18.3-041803-generic x86_64 ApportVersion: 2.20.10-0ubuntu9 Architecture: amd64 AssertionMessage: gnome-shell: ../src/evdev-mt-touchpad.c:1541: tp_detect_thumb_while_moving: Проверочное утверждение «first» не выполнено. CurrentDesktop: GNOME Date: Fri Sep 14 20:23:37 2018 DisplayManager: gdm3 ExecutablePath: /usr/bin/gnome-shell InstallationDate: Installed on 2018-04-20 (147 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1) ProcCmdline: /usr/bin/gnome-shell ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=ru_RU.UTF-8 SHELL=/bin/bash Signal: 6 SourcePackage: gnome-shell StacktraceTop: __assert_fail_base (fmt=0x7f6078627622 <error: Cannot access memory at address 0x7f6078627622>, assertion=0x7f6080918903 "first", file=0x7f60809187c4 "../src/evdev-mt-touchpad.c", line=1541, function=<optimized out>) at assert.c:92 __GI___assert_fail (assertion=0x7f6080918903 "first", file=0x7f60809187c4 "../src/evdev-mt-touchpad.c", line=1541, function=0x7f60809191a0 "tp_detect_thumb_while_moving") at assert.c:101 ?? () from /usr/lib/x86_64-linux-gnu/libinput.so.10 ?? () from /usr/lib/x86_64-linux-gnu/libinput.so.10 ?? () from /usr/lib/x86_64-linux-gnu/libinput.so.10 Title: gnome-shell assert failure: gnome-shell: ../src/evdev-mt-touchpad.c:1541: tp_detect_thumb_while_moving: Проверочное утверждение «first» не выполнено. UpgradeStatus: Upgraded to cosmic on 2018-04-20 (147 days ago) UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo tty To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1792573/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp