% /usr/local/bin/gdb caja caja.core GNU gdb (GDB) 8.1 [GDB v8.1 for FreeBSD] Copyright (C) 2018 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-portbld-freebsd10.3". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from caja...done. [New LWP 100298] [New LWP 100691] [New LWP 100423] [New LWP 100420] [New LWP 100419] Core was generated by `caja'. Program terminated with signal SIGABRT, Aborted. #0 0x00000008054b439a in thr_kill () from /lib/libc.so.7 [Current thread is 1 (LWP 100298)] (gdb) bt #0 0x00000008054b439a in thr_kill () from /lib/libc.so.7 #1 0x00000008054b4386 in raise () from /lib/libc.so.7 #2 0x00000008054b4309 in abort () from /lib/libc.so.7 #3 0x0000000804d0ff6e in g_assertion_message (domain=0x8047a4279 "GLib-GIO", file=0x8047cc7cb "gkqueuefilemonitor.c", line=364, func=0x8047cc7e0 "_kqsub_free", message=0x8147fdaf0 "assertion failed: (sub->fd == -1)") at gtestutils.c:2432 #4 0x0000000804d0fffd in g_assertion_message_expr (domain=0x8047a4279 "GLib-GIO", file=0x8047cc7cb "gkqueuefilemonitor.c", line=364, func=0x8047cc7e0 "_kqsub_free", expr=0x8047cc7fe "sub->fd == -1") at gtestutils.c:2455 #5 0x000000080479a3ef in _kqsub_free (sub=0x815d21cf0) at gkqueuefilemonitor.c:364 #6 0x0000000804799c03 in g_kqueue_file_monitor_cancel (monitor=0x8147d1250) at gkqueuefilemonitor.c:326 #7 0x0000000804678313 in g_file_monitor_cancel (monitor=0x8147d1250) at gfilemonitor.c:237 #8 0x0000000000588462 in caja_monitor_cancel (monitor=0x815c26678) at caja-monitor.c:152 #9 0x00000000005206cf in caja_directory_monitor_remove_internal (directory=0x814594880, file=0x0, client=0x814601cc0) at caja-directory-async.c:1220 #10 0x000000000059c424 in vfs_file_monitor_remove (directory=0x814594880, client=0x814601cc0) at caja-vfs-directory.c:116 #11 0x000000000052f51e in caja_directory_file_monitor_remove (directory=0x814594880, client=0x814601cc0) at caja-directory.c:1534 #12 0x000000000050c778 in stop_monitoring_directory (model=0x814601cc0, node=0x8161e6de0) at fm-tree-model.c:775 #13 0x000000000050c5de in update_monitoring (model=0x814601cc0, node=0x8161e6de0) at fm-tree-model.c:1560 #14 0x000000000050c617 in update_monitoring (model=0x814601cc0, node=0x815c11a20) at fm-tree-model.c:1567 #15 0x000000000050c617 in update_monitoring (model=0x814601cc0, node=0x815c118e0) at fm-tree-model.c:1567 #16 0x000000000050c617 in update_monitoring (model=0x814601cc0, node=0x815cd3ba0) at fm-tree-model.c:1567 #17 0x000000000050c617 in update_monitoring (model=0x814601cc0, node=0x815cceba0) at fm-tree-model.c:1567 #18 0x000000000050c617 in update_monitoring (model=0x814601cc0, node=0x8147c4f60) at fm-tree-model.c:1567 #19 0x000000000050c617 in update_monitoring (model=0x814601cc0, node=0x8145f02a0) at fm-tree-model.c:1567 #20 0x000000000050c593 in update_monitoring_idle_callback (callback_data=0x814601cc0) at fm-tree-model.c:1583 #21 0x0000000804cd39b2 in g_idle_dispatch (source=0x8114373a0, callback=0x50c530 , user_data=0x814601cc0) at gmain.c:5545 #22 0x0000000804cd83f4 in g_main_dispatch (context=0x80f053300) at gmain.c:3203 #23 0x0000000804cd8213 in g_main_context_dispatch (context=0x80f053300) at gmain.c:3856 #24 0x0000000804cd87e7 in g_main_context_iterate (context=0x80f053300, block=1, dispatch=1, self=0x80f01f860) at gmain.c:3929 #25 0x0000000804cd8866 in g_main_context_iteration (context=0x80f053300, may_block=1) at gmain.c:3990 #26 0x00000008046eafca in g_application_run (application=0x80f0ec150, argc=2, argv=0x7fffffffeb48) at gapplication.c:2381 #27 0x000000000046de08 in main (argc=2, argv=0x7fffffffeb48) at caja-main.c:282 (gdb) quit