There's a SIGSEGV; gdb bt full attached. #0 0x00007f1d14271201 in g_type_check_instance_is_fundamentally_a (type_instance=type_instance@entry=0x55b74c6fd010, fundamental_type=fundamental_type@entry=0x50 [GObject]) at ../../../gobject/gtype.c:4025 node = <optimized out> #1 0x00007f1d14251399 in g_object_unref (_object=0x55b74c6fd010) at ../../../gobject/gobject.c:3243 _g_boolean_var_ = <optimized out> object = 0x55b74c6fd010 __FUNCTION__ = "g_object_unref" #2 0x00007f1d15b5ab9c in PolkitQt1::Agent::Session::Private::completed(_PolkitAgentSession*, int, void*) () at /lib/x86_64-linux-gnu/libpolkit-qt5-agent-1.so.1 #6 0x00007f1d142699f6 in <emit signal ??? on instance 0x55b74c84d760 [PolkitAgentSession]> (instance=0x55b74c84d760, detailed_signal=<optimized out>) at ../../../gobject/gsignal.c:3487
** Also affects: lxqt-policykit (Ubuntu) Importance: Undecided Status: New ** Changed in: lxqt-policykit (Ubuntu) Status: New => Confirmed ** Attachment added: "gdb bt full log" https://bugs.launchpad.net/ubuntu/+source/lxqt-policykit/+bug/1828663/+attachment/5273610/+files/gdb2.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1828663 Title: lubuntu 19.04 QT interfaces not properly working where more then one sudoer configured To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lubuntu-meta/+bug/1828663/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs