Attaching the syslog text showing the sigfault and I think the corresponding crash file.
** Attachment added: "_usr_share_apport_apport-gtk.0.crash" https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1720116/+attachment/4958871/+files/_usr_share_apport_apport-gtk.0.crash -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apport in Ubuntu. https://bugs.launchpad.net/bugs/1720116 Title: apport-gtk sigfault in libgtk-3 Status in apport package in Ubuntu: Incomplete Bug description: Daily notification of system error and request to report it but nothing get sent. Syslog shows apport-gtk sigfault in libgtk-3. There us usually no crash dump generated. ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: apport 2.20.7-0ubuntu1 ProcVersionSignature: Ubuntu 4.13.0-12.13-generic 4.13.3 Uname: Linux 4.13.0-12-generic x86_64 ApportVersion: 2.20.7-0ubuntu1 Architecture: amd64 CrashReports: 640:0:119:6940216:2017-09-22 05:36:31.895203406 -0400:2017-09-22 05:36:27.979332060 -0400:/var/crash/_usr_share_apport_apport-gtk.0.crash CurrentDesktop: GNOME-Classic:GNOME Date: Thu Sep 28 06:54:23 2017 InstallationDate: Installed on 2017-07-24 (65 days ago) InstallationMedia: Ubuntu-GNOME 17.10 "Artful Aardvark" - Alpha amd64 (20170723) PackageArchitecture: all ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: apport UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1720116/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp