<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED WORKSFORME - Xorg assertion failure: Xorg: ../src/evdev-mt-touchpad-tap.c:1002: tp_tap_handle_state: Assertion `tp->tap.nfingers_down > 0' failed." href="https://bugs.freedesktop.org/show_bug.cgi?id=105407#c12">Comment # 12</a> on <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED WORKSFORME - Xorg assertion failure: Xorg: ../src/evdev-mt-touchpad-tap.c:1002: tp_tap_handle_state: Assertion `tp->tap.nfingers_down > 0' failed." href="https://bugs.freedesktop.org/show_bug.cgi?id=105407">bug 105407</a> from <a class="email" href="mailto:andreas@canonical.com" title="Andreas Hasenack <andreas@canonical.com>"> Andreas Hasenack</a> <pre>I can reproduce this reliably on a thinkpad X1 5th gen by swiping my palm from left to right over the touchpad. I get this backtrace: Mar 20 11:08:19 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (II) Axis 0x35 value 0 is outside expected range [1045, 5896] Mar 20 11:08:19 nsnx /usr/lib/gdm3/gdm-x-session[16817]: See <a href="https://wayland.freedesktop.org/libinput/doc/1.10.1//absolute_coordinate_ranges.html">https://wayland.freedesktop.org/libinput/doc/1.10.1//absolute_coordinate_ranges.html</a> for details Mar 20 11:08:19 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) event5 - SynPS/2 Synaptics TouchPad: libinput bug: invalid tap event TAP_EVENT_PALM in state TAP_STATE_TAPPED Mar 20 11:08:19 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) event5 - SynPS/2 Synaptics TouchPad: libinput bug: invalid tap event TAP_EVENT_PALM in state TAP_STATE_TAPPED Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: Xorg: ../src/evdev-mt-touchpad-tap.c:1002: tp_tap_handle_state: Assertion `tp->tap.nfingers_down > 0' failed. Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) Backtrace: Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 0: /usr/lib/xorg/Xorg (xorg_backtrace+0x4d) [0x565247c457fd] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 1: /usr/lib/xorg/Xorg (0x565247a8d000+0x1bc599) [0x565247c49599] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f28775c1000+0x12890) [0x7f28775d3890] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 3: /lib/x86_64-linux-gnu/libc.so.6 (gsignal+0xc7) [0x7f287720ee97] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 4: /lib/x86_64-linux-gnu/libc.so.6 (abort+0x141) [0x7f2877210801] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 5: /lib/x86_64-linux-gnu/libc.so.6 (0x7f28771d0000+0x3039a) [0x7f287720039a] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (0x7f28771d0000+0x30412) [0x7f2877200412] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 7: /usr/lib/x86_64-linux-gnu/libinput.so.10 (0x7f28741aa000+0x1da40) [0x7f28741c7a40] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 8: /usr/lib/x86_64-linux-gnu/libinput.so.10 (0x7f28741aa000+0x18e17) [0x7f28741c2e17] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 9: /usr/lib/x86_64-linux-gnu/libinput.so.10 (0x7f28741aa000+0x1ad90) [0x7f28741c4d90] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 10: /usr/lib/x86_64-linux-gnu/libinput.so.10 (0x7f28741aa000+0xf5e1) [0x7f28741b95e1] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 11: /usr/lib/x86_64-linux-gnu/libinput.so.10 (libinput_dispatch+0x5f) [0x7f28741b560f] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 12: /usr/lib/xorg/modules/input/libinput_drv.so (0x7f28743fa000+0x8988) [0x7f2874402988] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 13: /usr/lib/xorg/Xorg (0x565247a8d000+0x1ba973) [0x565247c47973] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 14: /usr/lib/xorg/Xorg (0x565247a8d000+0x1bd071) [0x565247c4a071] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 15: /usr/lib/xorg/Xorg (0x565247a8d000+0x1ba7be) [0x565247c477be] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 16: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f28775c1000+0x76db) [0x7f28775c86db] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) 17: /lib/x86_64-linux-gnu/libc.so.6 (clone+0x3f) [0x7f28772f188f] Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: Fatal server error: Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) Caught signal 6 (Aborted). Server aborting Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: Please consult the The X.Org Foundation support Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: #011 at <a href="http://wiki.x.org">http://wiki.x.org</a> Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: for help. Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) Please also check the log file at "/home/andreas/.local/share/xorg/Xorg.0.log" for additional information. Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) Mar 20 11:08:29 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (II) AIGLX: Suspending AIGLX clients for VT switch Mar 20 11:08:30 nsnx /usr/lib/gdm3/gdm-x-session[16817]: (EE) Server terminated with error (1). Closing log file. I'm using ubuntu bionic with xorg 1:7.7+19ubuntu5</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>