** Description changed: I am using gnome-calendar (3.36.2) on Linux Mint 20 (Ulyana), Cinnamon 4.6.7. I am able to replicate the crash by opening gnome-calendar, then clicking on "Manage your calendars" and toggling / untoggling different calendars at random. Here's a log from journalctl if it's of use: -- The job identifier is 27260. - Feb 08 01:44:12 saturn pia-daemon[1412]: [2021-02-08 09:44:12.386][7b0a][wireguardmethod][daemon/src/wireguardmethod.cpp:1041][info] BYTECOUNT: 3311031560, 118663140 - Feb 08 01:44:12 saturn pia-daemon[1412]: [2021-02-08 09:44:12.387][7b0a][wireguardmethod][daemon/src/wireguardmethod.cpp:942][info] peer: handshake at 1612777449 - "3 sec" ago Feb 08 01:44:15 saturn org.gnome.Calendar[249540]: ** Feb 08 01:44:15 saturn org.gnome.Calendar[249540]: GcalTimeline:ERROR:../src/core/gcal-timeline.c:212:increase_completed_calendars: assertion failed: (self->completed_calendars <= g_hash_table_size (self->calendars)) Feb 08 01:44:15 saturn org.gnome.Calendar[249540]: Bail out! GcalTimeline:ERROR:../src/core/gcal-timeline.c:212:increase_completed_calendars: assertion failed: (self->completed_calendars <= g_hash_table_size (self->calendars)) Feb 08 01:44:15 saturn systemd[1]: Started Process Core Dump (PID 249641/UID 0). -- Subject: A start job for unit systemd-coredump@41-249641-0.service has finished successfully -- Defined-By: systemd -- Support: http://www.ubuntu.com/support - -- + -- -- A start job for unit systemd-coredump@41-249641-0.service has finished successfully. - -- + -- -- The job identifier is 27350. Feb 08 01:44:16 saturn systemd-coredump[249642]: Process 249540 (gnome-calendar) of user 1000 dumped core. - - Stack trace of thread 249540: - #0 0x00007f1ff002018b __GI_raise (libc.so.6 + 0x4618b) - #1 0x00007f1feffff859 __GI_abort (libc.so.6 + 0x25859) - #2 0x00007f1ff0523b43 n/a (libglib-2.0.so.0 + 0x1db43) - #3 0x00007f1ff0580b2f g_assertion_message_expr (libglib-2.0.so.0 + 0x7ab2f) - #4 0x00005562ad7685a7 n/a (gnome-calendar + 0x455a7) - #5 0x00007f1ff0645a56 n/a (libgobject-2.0.so.0 + 0x14a56) - #6 0x00007f1ff0664b28 g_signal_emit_valist (libgobject-2.0.so.0 + 0x33b28) - #7 0x00007f1ff06650d3 g_signal_emit (libgobject-2.0.so.0 + 0x340d3) - #8 0x00005562ad7825ec n/a (gnome-calendar + 0x5f5ec) - #9 0x00007f1ff0557e6e g_main_context_dispatch (libglib-2.0.so.0 + 0x51e6e) - #10 0x00007f1ff0558220 n/a (libglib-2.0.so.0 + 0x52220) - #11 0x00007f1ff05582c3 g_main_context_iteration (libglib-2.0.so.0 + 0x522c3) - #12 0x00007f1ff0773fd5 g_application_run (libgio-2.0.so.0 + 0xe2fd5) - #13 0x00005562ad747532 main (gnome-calendar + 0x24532) - #14 0x00007f1ff00010b3 __libc_start_main (libc.so.6 + 0x270b3) - #15 0x00005562ad74757e _start (gnome-calendar + 0x2457e) - - Stack trace of thread 249544: - #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) - #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) - #2 0x00007f1ff05582c3 g_main_context_iteration (libglib-2.0.so.0 + 0x522c3) - #3 0x00007f1ff155799d n/a (libdconfsettings.so + 0xa99d) - #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) - #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) - #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) - - Stack trace of thread 249543: - #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) - #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) - #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) - #3 0x00007f1ff07afeda n/a (libgio-2.0.so.0 + 0x11eeda) - #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) - #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) - #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) - - Stack trace of thread 249541: - #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) - #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) - #2 0x00007f1ff05582c3 g_main_context_iteration (libglib-2.0.so.0 + 0x522c3) - #3 0x00007f1ff0558311 n/a (libglib-2.0.so.0 + 0x52311) - #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) - #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) - #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) - - Stack trace of thread 249582: - #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) - #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) - #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) - #3 0x00005562ad782541 n/a (gnome-calendar + 0x5f541) - #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) - #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) - #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) - - Stack trace of thread 249556: - #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) - #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) - #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) - #3 0x00007f1ff14d6f98 n/a (libedataserver-1.2.so.24 + 0x70f98) - #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) - #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) - #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) - - Stack trace of thread 249583: - #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) - #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) - #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) - #3 0x00005562ad782541 n/a (gnome-calendar + 0x5f541) - #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) - #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) - #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) - - Stack trace of thread 249563: - #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) - #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) - #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) - #3 0x00007f1ff099f678 n/a (libecal-2.0.so.1 + 0x26678) - #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) - #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) - #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) - - Stack trace of thread 249586: - #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) - #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) - #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) - #3 0x00005562ad782541 n/a (gnome-calendar + 0x5f541) - #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) - #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) - #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) - - Stack trace of thread 249579: - #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) - #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) - #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) - #3 0x00005562ad782541 n/a (gnome-calendar + 0x5f541) - #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) - #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) - #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) - - Stack trace of thread 249589: - #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) - #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) - #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) - #3 0x00005562ad782541 n/a (gnome-calendar + 0x5f541) - #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) - #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) - #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) - - Stack trace of thread 249592: - #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) - #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) - #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) - #3 0x00005562ad782541 n/a (gnome-calendar + 0x5f541) - #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) - #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) - #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) - - Stack trace of thread 249574: - #0 0x00007f1ff00f589d syscall (libc.so.6 + 0x11b89d) - #1 0x00007f1ff05a54b6 g_cond_wait_until (libglib-2.0.so.0 + 0x9f4b6) - #2 0x00007f1ff0528541 n/a (libglib-2.0.so.0 + 0x22541) - #3 0x00007f1ff058230a n/a (libglib-2.0.so.0 + 0x7c30a) - #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) - #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) - #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) - - Stack trace of thread 249575: - #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) - #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) - #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) - #3 0x00005562ad782541 n/a (gnome-calendar + 0x5f541) - #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) - #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) - #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) + + Stack trace of thread 249540: + #0 0x00007f1ff002018b __GI_raise (libc.so.6 + 0x4618b) + #1 0x00007f1feffff859 __GI_abort (libc.so.6 + 0x25859) + #2 0x00007f1ff0523b43 n/a (libglib-2.0.so.0 + 0x1db43) + #3 0x00007f1ff0580b2f g_assertion_message_expr (libglib-2.0.so.0 + 0x7ab2f) + #4 0x00005562ad7685a7 n/a (gnome-calendar + 0x455a7) + #5 0x00007f1ff0645a56 n/a (libgobject-2.0.so.0 + 0x14a56) + #6 0x00007f1ff0664b28 g_signal_emit_valist (libgobject-2.0.so.0 + 0x33b28) + #7 0x00007f1ff06650d3 g_signal_emit (libgobject-2.0.so.0 + 0x340d3) + #8 0x00005562ad7825ec n/a (gnome-calendar + 0x5f5ec) + #9 0x00007f1ff0557e6e g_main_context_dispatch (libglib-2.0.so.0 + 0x51e6e) + #10 0x00007f1ff0558220 n/a (libglib-2.0.so.0 + 0x52220) + #11 0x00007f1ff05582c3 g_main_context_iteration (libglib-2.0.so.0 + 0x522c3) + #12 0x00007f1ff0773fd5 g_application_run (libgio-2.0.so.0 + 0xe2fd5) + #13 0x00005562ad747532 main (gnome-calendar + 0x24532) + #14 0x00007f1ff00010b3 __libc_start_main (libc.so.6 + 0x270b3) + #15 0x00005562ad74757e _start (gnome-calendar + 0x2457e) + + Stack trace of thread 249544: + #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) + #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) + #2 0x00007f1ff05582c3 g_main_context_iteration (libglib-2.0.so.0 + 0x522c3) + #3 0x00007f1ff155799d n/a (libdconfsettings.so + 0xa99d) + #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) + #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) + #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) + + Stack trace of thread 249543: + #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) + #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) + #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) + #3 0x00007f1ff07afeda n/a (libgio-2.0.so.0 + 0x11eeda) + #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) + #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) + #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) + + Stack trace of thread 249541: + #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) + #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) + #2 0x00007f1ff05582c3 g_main_context_iteration (libglib-2.0.so.0 + 0x522c3) + #3 0x00007f1ff0558311 n/a (libglib-2.0.so.0 + 0x52311) + #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) + #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) + #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) + + Stack trace of thread 249582: + #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) + #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) + #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) + #3 0x00005562ad782541 n/a (gnome-calendar + 0x5f541) + #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) + #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) + #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) + + Stack trace of thread 249556: + #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) + #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) + #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) + #3 0x00007f1ff14d6f98 n/a (libedataserver-1.2.so.24 + 0x70f98) + #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) + #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) + #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) + + Stack trace of thread 249583: + #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) + #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) + #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) + #3 0x00005562ad782541 n/a (gnome-calendar + 0x5f541) + #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) + #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) + #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) + + Stack trace of thread 249563: + #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) + #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) + #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) + #3 0x00007f1ff099f678 n/a (libecal-2.0.so.1 + 0x26678) + #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) + #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) + #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) + + Stack trace of thread 249586: + #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) + #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) + #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) + #3 0x00005562ad782541 n/a (gnome-calendar + 0x5f541) + #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) + #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) + #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) + + Stack trace of thread 249579: + #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) + #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) + #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) + #3 0x00005562ad782541 n/a (gnome-calendar + 0x5f541) + #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) + #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) + #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) + + Stack trace of thread 249589: + #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) + #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) + #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) + #3 0x00005562ad782541 n/a (gnome-calendar + 0x5f541) + #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) + #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) + #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) + + Stack trace of thread 249592: + #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) + #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) + #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) + #3 0x00005562ad782541 n/a (gnome-calendar + 0x5f541) + #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) + #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) + #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) + + Stack trace of thread 249574: + #0 0x00007f1ff00f589d syscall (libc.so.6 + 0x11b89d) + #1 0x00007f1ff05a54b6 g_cond_wait_until (libglib-2.0.so.0 + 0x9f4b6) + #2 0x00007f1ff0528541 n/a (libglib-2.0.so.0 + 0x22541) + #3 0x00007f1ff058230a n/a (libglib-2.0.so.0 + 0x7c30a) + #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) + #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) + #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) + + Stack trace of thread 249575: + #0 0x00007f1ff00efaff __GI___poll (libc.so.6 + 0x115aff) + #1 0x00007f1ff055818e n/a (libglib-2.0.so.0 + 0x5218e) + #2 0x00007f1ff0558513 g_main_loop_run (libglib-2.0.so.0 + 0x52513) + #3 0x00005562ad782541 n/a (gnome-calendar + 0x5f541) + #4 0x00007f1ff0581911 n/a (libglib-2.0.so.0 + 0x7b911) + #5 0x00007f1fef452609 start_thread (libpthread.so.0 + 0x9609) + #6 0x00007f1ff00fc293 __clone (libc.so.6 + 0x122293) -- Subject: Process 249540 (gnome-calendar) dumped core -- Defined-By: systemd -- Support: http://www.ubuntu.com/support -- Documentation: man:core(5) - -- + -- -- Process 249540 (gnome-calendar) crashed and dumped core. - -- + -- -- This usually indicates a programming error in the crashing program and -- should be reported to its vendor as a bug. Feb 08 01:44:16 saturn systemd[1]: systemd-coredump@41-249641-0.service: Succeeded. -- Subject: Unit succeeded -- Defined-By: systemd -- Support: http://www.ubuntu.com/support - -- + -- -- The unit systemd-coredump@41-249641-0.service has successfully entered the 'dead' state.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1914992 Title: gnome-calendar crashes after a few clicks when creating event or un/toggling which calendar to show To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-calendar/+bug/1914992/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs