This turns out to be not an actual bug in gsd, as the latter is crashes when X server goes away unexpectedly.
This is what was found in the syslog: Mar 1 23:46:03 delorean gnome-session[1667]: ******************* START ******************************** Mar 1 23:46:03 delorean gnome-session[1667]: Frame 0: /usr/bin/gnome-session() [0x419bf7] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 1: /usr/bin/gnome-session() [0x419fda] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 2: /lib/x86_64-linux-gnu/libpthread.so.0(+0xfcb0) [0x7fc5f5d96cb0] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 3: /lib/x86_64-linux-gnu/libc.so.6(gsignal+0x35) [0x7fc5f4b00445] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 4: /lib/x86_64-linux-gnu/libc.so.6(abort+0x17b) [0x7fc5f4b03bab] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 5: /lib/x86_64-linux-gnu/libc.so.6(+0x2f10e) [0x7fc5f4af910e] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 6: /lib/x86_64-linux-gnu/libc.so.6(+0x2f1b2) [0x7fc5f4af91b2] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 7: /usr/lib/x86_64-linux-gnu/libX11.so.6(+0x3d603) [0x7fc5f788b603] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 8: /usr/lib/x86_64-linux-gnu/libX11.so.6(+0x3d621) [0x7fc5f788b621] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 9: /usr/lib/x86_64-linux-gnu/libX11.so.6(_XEventsQueued+0x5d) [0x7fc5f788bd4d] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 10: /usr/lib/x86_64-linux-gnu/libX11.so.6(XPending+0x5d) [0x7fc5f787d41d] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 11: /usr/lib/x86_64-linux-gnu/libgdk-3.so.0(+0x4d824) [0x7fc5f693a824] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 12: /lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_check+0x183) [0x7fc5f4eccb73] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 13: /lib/x86_64-linux-gnu/libglib-2.0.so.0(+0x480d6) [0x7fc5f4ecd0d6] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 14: /lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_loop_run+0x6a) [0x7fc5f4ecd59a] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 15: /usr/lib/x86_64-linux-gnu/libgtk-3.so.0(gtk_main+0x8d) [0x7fc5f6d0784d] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 16: /usr/bin/gnome-session() [0x40b668] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 17: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7fc5f4aeb76d] Mar 1 23:46:03 delorean gnome-session[1667]: Frame 18: /usr/bin/gnome-session() [0x40b8d5] Mar 1 23:46:03 delorean gnome-session[1667]: ******************* END ********************************** <seb128> gnome-session/gdm-signal-handler.c: syslog (LOG_CRIT, "******************* START ********************************"); <seb128> gnome-session is the one preventing apport -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/924612 Title: gnome-settings-daemon crashed with SIGABRT in __GI___assert_fail() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/924612/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs