Launchpad has imported 30 comments from the remote bug at https://bugs.freedesktop.org/show_bug.cgi?id=105258.
If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2018-02-26T18:32:09+00:00 Nicolas-freedesktop wrote: Created attachment 137615 Xorg log Since recent updates Xorg crashes very often (4 or more times a day) with SIGABRT in libinput code. Unfortunately I have found no reproduction scenario yet, it seems to happen randomly. I can provide a full coredump if that helps. Distribution: arch Hardware: Lenovo Thinkpad X270 Packages: libinput 1.10.0-1 linux 4.15.4-1 xf86-input-libinput 0.26.0-1 xorg-server 1.19.6+13+gd0d1a694f-1 $ libinput list-devices --version 1.10.0 $ xinput list-props "SynPS/2 Synaptics TouchPad" Device 'SynPS/2 Synaptics TouchPad': Device Enabled (143): 1 Coordinate Transformation Matrix (145): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000 libinput Tapping Enabled (280): 1 libinput Tapping Enabled Default (281): 0 libinput Tapping Drag Enabled (282): 1 libinput Tapping Drag Enabled Default (283): 1 libinput Tapping Drag Lock Enabled (284): 0 libinput Tapping Drag Lock Enabled Default (285): 0 libinput Tapping Button Mapping Enabled (286): 1, 0 libinput Tapping Button Mapping Default (287): 1, 0 libinput Natural Scrolling Enabled (288): 1 libinput Natural Scrolling Enabled Default (289): 0 libinput Left Handed Enabled (290): 0 libinput Left Handed Enabled Default (291): 0 libinput Accel Speed (292): 0.000000 libinput Accel Speed Default (293): 0.000000 libinput Scroll Methods Available (294): 1, 1, 0 libinput Scroll Method Enabled (295): 1, 0, 0 libinput Scroll Method Enabled Default (296): 1, 0, 0 libinput Click Methods Available (297): 1, 1 libinput Click Method Enabled (298): 1, 0 libinput Click Method Enabled Default (299): 1, 0 libinput Middle Emulation Enabled (300): 0 libinput Middle Emulation Enabled Default (301): 0 libinput Send Events Modes Available (265): 1, 1 libinput Send Events Mode Enabled (266): 0, 0 libinput Send Events Mode Enabled Default (267): 0, 0 libinput Disable While Typing Enabled (302): 1 libinput Disable While Typing Enabled Default (303): 1 Device Node (268): "/dev/input/event17" Device Product ID (269): 2, 7 libinput Drag Lock Buttons (304): <no items> libinput Horizontal Scroll Enabled (305): 1 Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/0 ------------------------------------------------------------------------ On 2018-02-26T18:32:50+00:00 Nicolas-freedesktop wrote: Created attachment 137616 Systemd core dump info Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/1 ------------------------------------------------------------------------ On 2018-02-27T01:42:43+00:00 Peter Hutterer wrote: install the debug info package for libinput please (whatever that's called on arch, I don't know for sure) and run: $ eu-addr2line -e /usr/lib64/libinput.so and provide: libinput_event_get_pointer_event+0xec9e That should give you the line number where it crashes, same with the few other references. This should help a bit identifying what's going on. Please also provide an evemu recording of one of the crashers, thanks. Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/2 ------------------------------------------------------------------------ On 2018-02-27T12:15:50+00:00 Nicolas-freedesktop wrote: Here is a new crash with an updated libinput, rebuilt without stripping symbols. libinput version: 1.10.0+25+g3e77f2e9-1 libinput commit: 3e77f2e9f5a98fc5917642bd47ceeef89b95c858 Backtrace from Xorg log: [ 1580.664] (EE) Backtrace: [ 1580.671] (EE) 0: /usr/lib/xorg-server/Xorg (OsLookupColor+0x139) [0x55ed7d51ee99] [ 1580.673] (EE) 1: /usr/lib/libpthread.so.0 (funlockfile+0x50) [0x7fbf098d4e1f] [ 1580.677] (EE) 2: /usr/lib/libc.so.6 (gsignal+0x110) [0x7fbf09540860] [ 1580.679] (EE) 3: /usr/lib/libc.so.6 (abort+0x1c9) [0x7fbf09541ec9] [ 1580.681] (EE) 4: /usr/lib/libc.so.6 (__assert_fail_base+0x14c) [0x7fbf095390bc] [ 1580.683] (EE) 5: /usr/lib/libc.so.6 (__assert_fail+0x43) [0x7fbf09539133] [ 1580.685] (EE) 6: /usr/lib/libinput.so.10 (tp_handle_state+0x332c) [0x7fbf023396dc] [ 1580.686] (EE) 7: /usr/lib/libinput.so.10 (tp_interface_process+0xb8) [0x7fbf0233a438] [ 1580.687] (EE) 8: /usr/lib/libinput.so.10 (evdev_device_dispatch+0x3f8) [0x7fbf02326178] [ 1580.687] (EE) 9: /usr/lib/libinput.so.10 (libinput_dispatch+0x5f) [0x7fbf02325a5f] [ 1580.688] (EE) 10: /usr/lib/xorg/modules/input/libinput_drv.so (_init+0x29b9) [0x7fbf0255c5b9] [ 1580.689] (EE) 11: /usr/lib/xorg-server/Xorg (input_unlock+0x293) [0x55ed7d51d3d3] [ 1580.689] (EE) 12: /usr/lib/xorg-server/Xorg (OsCleanup+0x621) [0x55ed7d51fe01] [ 1580.690] (EE) 13: /usr/lib/xorg-server/Xorg (input_unlock+0xde) [0x55ed7d51cfce] [ 1580.691] (EE) 14: /usr/lib/libpthread.so.0 (start_thread+0xdc) [0x7fbf098ca08c] [ 1580.694] (EE) 15: /usr/lib/libc.so.6 (clone+0x3f) [0x7fbf09601eb8] Line numbers: tp_handle_state+0x332c: ../libinput/src/evdev-mt-touchpad-gestures.c:85 tp_interface_process+0xb8: ../libinput/src/evdev-mt-touchpad.c:1639 evdev_device_dispatch+0x3f8: ../libinput/src/evdev.c:857 libinput_dispatch+0x5f: ../libinput/src/libinput.c:1989 I'll try to have an evemu recording setup next. Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/3 ------------------------------------------------------------------------ On 2018-02-27T22:20:13+00:00 Nicolas-freedesktop wrote: Created attachment 137672 evemu recording Here is an evemu recording for the last crash (with the exact same backtrace as the one showed previously). I left only the last minute or so in the recording. I cannot pinpoint exactly where in that recording the crash happened, but it is close to the end as I stopped touching the touchpad as soon as I noticed the crash. Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/4 ------------------------------------------------------------------------ On 2018-03-01T02:27:17+00:00 Peter Hutterer wrote: well, that was more effort than expected. patch series is here: https://lists.freedesktop.org/archives/wayland-devel/2018-March/037268.html branch for testing is here: https://github.com/whot/libinput/tree/wip/touchpad-maybe-end-state Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/5 ------------------------------------------------------------------------ On 2018-03-01T02:28:14+00:00 Peter Hutterer wrote: *** Bug 105275 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/6 ------------------------------------------------------------------------ On 2018-03-04T15:28:10+00:00 Nicolas-freedesktop wrote: Just did some tests and it seems to have fixed the crash. Thanks! I first tried to have a near-systematic reproduction pattern by trying to reproduce the sequence you described on wayland-devel, and managed to make it crash in a few seconds every time. Then I updated and tried again with the same pattern for a few minutes, and no crash. Again, thanks a lot for your work. Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/7 ------------------------------------------------------------------------ On 2018-03-05T00:24:32+00:00 Peter Hutterer wrote: *** Bug 105336 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/8 ------------------------------------------------------------------------ On 2018-03-05T00:37:55+00:00 Peter Hutterer wrote: Thanks for testing, pushed to master and I'll get this into the next 1.10 release too commit 6ccd8e934f965150173866db265ca544031c6e6b Author: Peter Hutterer <> Date: Wed Feb 28 12:51:27 2018 +1000 touchpad: add a TOUCH_MAYBE_END state Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/9 ------------------------------------------------------------------------ On 2018-03-07T00:38:52+00:00 Peter Hutterer wrote: *** Bug 105370 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/12 ------------------------------------------------------------------------ On 2018-03-10T00:12:50+00:00 Aaron Plattner wrote: Thanks Peter! I built from commit 12410dfba4b903108c8926d68c64ed1c7468902d and so far, haven't been able to reproduce the problem. Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/16 ------------------------------------------------------------------------ On 2018-03-11T13:41:59+00:00 Stas T wrote: Peter, I'm afraid the issue is still there. I had libinput 1.10.2 installed which was still crashing Xorg. Then I upgraded to commit 12410dfba4b903108c8926d68c64ed1c7468902d and rebuilt. I still was able to reproduce the issue. Here is the bactrace: #0 0x00007fa3f4197860 in raise () at /usr/lib/libc.so.6 #1 0x00007fa3f4198ec9 in abort () at /usr/lib/libc.so.6 #2 0x00005593d7ac0cea in () #3 0x00005593d799c674 in () #4 0x00005593d7ac67e2 in () #5 0x00005593d7ac7625 in () #6 0x00005593d7abddde in () #7 0x00007fa3f452bdd0 in <signal handler called> () at /usr/lib/libpthread.so.0 #8 0x00007fa3f4197860 in raise () at /usr/lib/libc.so.6 #9 0x00007fa3f4198ec9 in abort () at /usr/lib/libc.so.6 #10 0x00007fa3f41900bc in __assert_fail_base () at /usr/lib/libc.so.6 #11 0x00007fa3f4190133 in () at /usr/lib/libc.so.6 #12 0x00007fa3e6438671 in tp_tap_handle_state (time=94093507188400, tp=0x5593da14f8b0) at ../libinput/src/evdev-mt-touchpad-tap.c:1030 #13 0x00007fa3e6438671 in tp_post_events (time=94093507188400, tp=0x5593da14f8b0) at ../libinput/src/evdev-mt-touchpad.c:1650 #14 0x00007fa3e6438671 in tp_handle_state (tp=0x5593da14f8b0, time=time@entry=3849255224) at ../libinput/src/evdev-mt-touchpad.c:1673 #15 0x00007fa3e6439108 in tp_interface_process (dispatch= 0x5593da14f8b0, device=<optimized out>, e=0x7fa3e598bd80, time=3849255224, time=<optimized out>, e=<optimized out>, dispatch=<optimized out>) at ../libinput/src/evdev-mt-touchpad.c:1720 #16 0x00007fa3e64243d8 in evdev_process_event (e=0x7fa3e598bd80, device=0x5593da1443e0) at ../libinput/src/evdev.c:863 #17 0x00007fa3e64243d8 in evdev_device_dispatch_one (ev=0x7fa3e598bd80, device=0x5593da1443e0) at ../libinput/src/evdev.c:871 #18 0x00007fa3e64243d8 in evdev_device_dispatch (data=0x5593da1443e0) at ../libinput/src/evdev.c:930 #19 0x00007fa3e6423cbf in libinput_dispatch (libinput=0x5593d9c9e5a0) at ../libinput/src/libinput.c:1989 #20 0x00007fa3e6658c19 in () at /usr/lib/xorg/modules/input/libinput_drv.so #21 0x00005593d7abc163 in () #22 0x00005593d7abe861 in () #23 0x00005593d7abbfae in () #24 0x00007fa3f452108c in start_thread () at /usr/lib/libpthread.so.0 #25 0x00007fa3f4258e7f in clone () at /usr/lib/libc.so.6 Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/17 ------------------------------------------------------------------------ On 2018-03-11T13:50:29+00:00 Stas T wrote: Reproduction steps: open gnome-terminal and swipe inside its window with three fingers quickly left-to-right and right-to-left few times. Apparently this assertion fails when t->state == TOUCH_END and t->was_down: assert(tp->tap.nfingers_down >= 1); Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/18 ------------------------------------------------------------------------ On 2018-03-11T19:40:55+00:00 Stas T wrote: Some more details. Distribution: arch Hardware: Hewlett-Packard HP Pavilion TS Sleekbook 15/18FD Packages: libinput 1.10.0+68+g12410dfb-1 linux 4.15.7-1 xf86-input-libinput 0.26.0-1 xorg-server 1.19.6+13+gd0d1a694f-1 libinput list-devices --version 1.10.900 xinput list-props "SynPS/2 Synaptics TouchPad" Device 'SynPS/2 Synaptics TouchPad': Device Enabled (142): 1 Coordinate Transformation Matrix (144): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000 libinput Tapping Enabled (285): 1 libinput Tapping Enabled Default (286): 0 libinput Tapping Drag Enabled (287): 1 libinput Tapping Drag Enabled Default (288): 1 libinput Tapping Drag Lock Enabled (289): 0 libinput Tapping Drag Lock Enabled Default (290): 0 libinput Tapping Button Mapping Enabled (291): 1, 0 libinput Tapping Button Mapping Default (292): 1, 0 libinput Natural Scrolling Enabled (293): 1 libinput Natural Scrolling Enabled Default (294): 0 libinput Left Handed Enabled (295): 0 libinput Left Handed Enabled Default (296): 0 libinput Accel Speed (297): 0.010989 libinput Accel Speed Default (298): 0.000000 libinput Scroll Methods Available (299): 1, 1, 0 libinput Scroll Method Enabled (300): 1, 0, 0 libinput Scroll Method Enabled Default (301): 1, 0, 0 libinput Send Events Modes Available (266): 1, 1 libinput Send Events Mode Enabled (267): 0, 0 libinput Send Events Mode Enabled Default (268): 0, 0 libinput Disable While Typing Enabled (302): 1 libinput Disable While Typing Enabled Default (303): 1 Device Node (269): "/dev/input/event11" Device Product ID (270): 2, 7 libinput Drag Lock Buttons (304): <no items> libinput Horizontal Scroll Enabled (305): 1 Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/19 ------------------------------------------------------------------------ On 2018-03-11T19:56:18+00:00 Stas T wrote: Created attachment 137991 evemu-record output These events result in Xorg crash in this context: ... #12 0x00007f6e4d01d671 in tp_tap_handle_state (time=94242228317136, tp=0x55b67a8a9be0) at ../libinput/src/evdev-mt-touchpad-tap.c:1030 #13 0x00007f6e4d01d671 in tp_post_events (time=94242228317136, tp=0x55b67a8a9be0) at ../libinput/src/evdev-mt-touchpad.c:1650 #14 0x00007f6e4d01d671 in tp_handle_state (tp=0x55b67a8a9be0, time=time@entry=19144585374) at ../libinput/src/evdev-mt-touchpad.c:1673 ... Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/20 ------------------------------------------------------------------------ On 2018-03-12T01:05:06+00:00 Peter Hutterer wrote: *** Bug 105437 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/21 ------------------------------------------------------------------------ On 2018-03-12T01:06:04+00:00 Peter Hutterer wrote: *** Bug 105407 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/22 ------------------------------------------------------------------------ On 2018-03-12T01:40:07+00:00 Peter Hutterer wrote: *** Bug 105443 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/23 ------------------------------------------------------------------------ On 2018-03-12T01:49:24+00:00 Peter Hutterer wrote: *** Bug 105439 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/24 ------------------------------------------------------------------------ On 2018-03-12T02:01:17+00:00 Peter Hutterer wrote: Thanks for the evemu, that helped a lot. Caused by a corner-case where a fake finger touch ended up hovering and was never terminated on the input event sequence. On the next real touch with high-enough pressure it was continued and caused a miscount of tapping fingers. commit d8db6b5927f61460b2991479a85056256c819485 Author: Peter Hutterer <> Date: Mon Mar 12 10:33:21 2018 +1000 touchpad: end hovering touches in maybe_end_touch Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/25 ------------------------------------------------------------------------ On 2018-03-13T00:05:54+00:00 Peter Hutterer wrote: *** Bug 105459 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/27 ------------------------------------------------------------------------ On 2018-03-13T03:21:01+00:00 赵煜 wrote: It better if change summary to something new, the "1.10-branch" make me thought it was a old bug on libinput version 1.10.0 Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/29 ------------------------------------------------------------------------ On 2018-03-13T03:25:25+00:00 Daniel van Vugt wrote: Done. It's the same assertion, just line 1030 in master and line 1028 in 1.10-branch. Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/30 ------------------------------------------------------------------------ On 2018-03-13T18:05:22+00:00 justasug wrote: Created attachment 138073 coredump info I am still getting crashes with 1.10.2. I tried to provide more information by following the instructions in comment #2, but I'm afraid I don't quite understand how to. I am also experiencing the crashes on Arch Linux. I rebuilt the libinput package specifying --builtype debug. Then I triggered another crash and got a coredump (attached info). I will attach an evemu recording shortly. There is nothing in my Xorg log, apart from this line: [ 1149.033] (II) Axis 0x1 value 5120 is outside expected range [1237, 4990] I also ran "eu-addr2line -e /usr/lib64/libinput.so", but I don't know what I'm supposed to do with it since there was no output. Can someone help me to provide more information? Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/31 ------------------------------------------------------------------------ On 2018-03-13T18:09:14+00:00 justasug wrote: Created attachment 138074 evemu-record of touchpad evemu-record of my SynPS/2 Synaptics TouchPad on a Thinkpad T410. Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/32 ------------------------------------------------------------------------ On 2018-03-13T22:01:57+00:00 Peter Hutterer wrote: regarding addr2line: https://who-t.blogspot.com.au/2014/02/making-sense- of-backtraces-with.html see comment #20, this bug is fixed on master, and I cannot reproduce it with the recording (but I can with the commit before d8db6b59). Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/33 ------------------------------------------------------------------------ On 2018-03-14T08:56:30+00:00 justasug wrote: Thank you. I have tested it with 1.10.3 and it's fixed. I got confused for a bit, because the bug tracker on the distribution said it was fixed in 1.10.2, but they meant the first bug in this report. Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/34 ------------------------------------------------------------------------ On 2018-04-02T22:39:43+00:00 Peter Hutterer wrote: *** Bug 105791 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/38 ------------------------------------------------------------------------ On 2018-04-03T05:34:50+00:00 postadelmaga wrote: I confirm running libinput 1.10.900 it solved the issue for me Reply at: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1753383/comments/39 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753383 Title: Xorg assert failure: Xorg: ../src/evdev-mt-touchpad-tap.c:1028: tp_tap_handle_state: Assertion `tp->tap.nfingers_down >= 1' failed. 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