$ coredumpctl gdb 9575 PID: 9575 (orca) UID: 1000 (peto) GID: 1000 (peto) Signal: 11 (SEGV) Timestamp: Wed 2017-11-01 10:09:11 CET (31min ago) Command Line: /usr/bin/python /usr/bin/orca Executable: /usr/bin/python3.6 Control Group: /user.slice/user-1000.slice/session-c2.scope Unit: session-c2.scope Slice: user-1000.slice Session: c2 Owner UID: 1000 (peto) Boot ID: c8ee76c9474c44f595efe93d8109f7f3 Machine ID: f9be541eb81d49a7bcac6d09ecf50301 Hostname: peto-pc Storage: /var/lib/systemd/coredump/core.orca.1000.c8ee76c9474c44f595efe93d8109f7f3.9575.1509527351000000.lz4 Message: Process 9575 (orca) of user 1000 dumped core. Stack trace of thread 9575: #0 0x00007f19419d0c40 raise (libpthread.so.0) #1 0x00007f19419d0da0 n/a (libpthread.so.0) Stack trace of thread 9581: #0 0x00007f19416f3d4b __poll (libc.so.6) #1 0x00007f193f7d5ed3 n/a (libglib-2.0.so.0) #2 0x00007f193f7d5fae g_main_context_iteration (libglib-2.0.so.0) #3 0x00007f193f7d6002 n/a (libglib-2.0.so.0) #4 0x00007f193f7ca1eb n/a (libglib-2.0.so.0) #5 0x00007f19419c608a start_thread (libpthread.so.0) #6 0x00007f19416fe24f __clone (libc.so.6) Stack trace of thread 9582: #0 0x00007f19416f3d4b __poll (libc.so.6) #1 0x00007f193f7d5ed3 n/a (libglib-2.0.so.0) #2 0x00007f193f7d5fae g_main_context_iteration (libglib-2.0.so.0) #3 0x00007f19375d8b0e n/a (libdconfsettings.so) #4 0x00007f193f7ca1eb n/a (libglib-2.0.so.0) #5 0x00007f19419c608a start_thread (libpthread.so.0) #6 0x00007f19416fe24f __clone (libc.so.6) Stack trace of thread 9603: #0 0x00007f19419cfdda recv (libpthread.so.0) #1 0x00007f193e6d1897 n/a (_socket.cpython-36m-x86_64-linux-gnu.so) #2 0x00007f193e6d3044 n/a (_socket.cpython-36m-x86_64-linux-gnu.so) #3 0x00007f194121eaf0 _PyCFunction_FastCallDict (libpython3.6m.so.1.0) #4 0x00007f19411ce08b n/a (libpython3.6m.so.1.0) #5 0x00007f19411b3b9a _PyEval_EvalFrameDefault (libpython3.6m.so.1.0) #6 0x00007f19411cda1b n/a (libpython3.6m.so.1.0) #7 0x00007f19411ce14e n/a (libpython3.6m.so.1.0) #8 0x00007f19411b3b9a _PyEval_EvalFrameDefault (libpython3.6m.so.1.0) #9 0x00007f19411cda1b n/a (libpython3.6m.so.1.0) #10 0x00007f19411ce14e n/a (libpython3.6m.so.1.0) #11 0x00007f19411b3b9a _PyEval_EvalFrameDefault (libpython3.6m.so.1.0) #12 0x00007f19411cd52b _PyFunction_FastCallDict (libpython3.6m.so.1.0) #13 0x00007f194120cf5f _PyObject_FastCallDict (libpython3.6m.so.1.0) #14 0x00007f194120dcd3 _PyObject_Call_Prepend (libpython3.6m.so.1.0) #15 0x00007f194120ddbb PyObject_Call (libpython3.6m.so.1.0) #16 0x00007f19411b51bf _PyEval_EvalFrameDefault (libpython3.6m.so.1.0) #17 0x00007f19411cda1b n/a (libpython3.6m.so.1.0) #18 0x00007f19411ce14e n/a (libpython3.6m.so.1.0) #19 0x00007f19411b3b9a _PyEval_EvalFrameDefault (libpython3.6m.so.1.0) #20 0x00007f19411cda1b n/a (libpython3.6m.so.1.0) #21 0x00007f19411ce14e n/a (libpython3.6m.so.1.0) #22 0x00007f19411b3b9a _PyEval_EvalFrameDefault (libpython3.6m.so.1.0) #23 0x00007f19411cd52b _PyFunction_FastCallDict (libpython3.6m.so.1.0) #24 0x00007f194120cf5f _PyObject_FastCallDict (libpython3.6m.so.1.0) #25 0x00007f194120dcd3 _PyObject_Call_Prepend (libpython3.6m.so.1.0) #26 0x00007f194120ddbb PyObject_Call (libpython3.6m.so.1.0) #27 0x00007f1941291af6 n/a (libpython3.6m.so.1.0) #28 0x00007f19419c608a start_thread (libpthread.so.0) #29 0x00007f19416fe24f __clone (libc.so.6) Stack trace of thread 9583: #0 0x00007f19416f3d4b __poll (libc.so.6) #1 0x00007f193f7d5ed3 n/a (libglib-2.0.so.0) #2 0x00007f193f7d6f42 g_main_loop_run (libglib-2.0.so.0) #3 0x00007f193f015e28 n/a (libgio-2.0.so.0) #4 0x00007f193f7ca1eb n/a (libglib-2.0.so.0) #5 0x00007f19419c608a start_thread (libpthread.so.0) #6 0x00007f19416fe24f __clone (libc.so.6) GNU gdb (GDB) 8.0.1 Copyright (C) 2017 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-pc-linux-gnu". 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 /usr/bin/python3.6...(no debugging symbols found)...done. warning: core file may not match specified executable file. [New LWP 9575] [New LWP 9581] [New LWP 9582] [New LWP 9603] [New LWP 9583] [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". Core was generated by `/usr/bin/python /usr/bin/orca'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007f19419d0c40 in raise () from /usr/lib/libpthread.so.0 [Current thread is 1 (Thread 0x7f1941db8540 (LWP 9575))] (gdb) bt #0 0x00007f19419d0c40 in raise () at /usr/lib/libpthread.so.0 #1 0x00007f19419d0da0 in () at /usr/lib/libpthread.so.0 #2 0x0000000000000000 in () #3 0x00007f194122cb30 in PyDict_GetItem () at /usr/lib/libpython3.6m.so.1.0 #4 0x00007f194121aca5 in _PyType_Lookup () at /usr/lib/libpython3.6m.so.1.0 #5 0x00007f1941266599 in _PyObject_GenericGetAttrWithDict () at /usr/lib/libpython3.6m.so.1.0 #6 0x00007f19411b3c1a in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 #7 0x00007f19411b12b4 in () at /usr/lib/libpython3.6m.so.1.0 #8 0x00007f19411cd82d in _PyFunction_FastCallDict () at /usr/lib/libpython3.6m.so.1.0 #9 0x00007f194120cf5f in _PyObject_FastCallDict () at /usr/lib/libpython3.6m.so.1.0 #10 0x00007f194120dcd3 in _PyObject_Call_Prepend () at /usr/lib/libpython3.6m.so.1.0 #11 0x00007f194120ddbb in PyObject_Call () at /usr/lib/libpython3.6m.so.1.0 #12 0x00007f19411b51bf in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 #13 0x00007f19411b12b4 in () at /usr/lib/libpython3.6m.so.1.0 #14 0x00007f19411cd82d in _PyFunction_FastCallDict () at /usr/lib/libpython3.6m.so.1.0 ---Type to continue, or q to quit--- #15 0x00007f194120cf5f in _PyObject_FastCallDict () at /usr/lib/libpython3.6m.so.1.0 #16 0x00007f194120dcd3 in _PyObject_Call_Prepend () at /usr/lib/libpython3.6m.so.1.0 #17 0x00007f194120ddbb in PyObject_Call () at /usr/lib/libpython3.6m.so.1.0 #18 0x00007f19411b51bf in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 #19 0x00007f19411b12b4 in () at /usr/lib/libpython3.6m.so.1.0 #20 0x00007f19411cd82d in _PyFunction_FastCallDict () at /usr/lib/libpython3.6m.so.1.0 #21 0x00007f194120cf5f in _PyObject_FastCallDict () at /usr/lib/libpython3.6m.so.1.0 #22 0x00007f194120dcd3 in _PyObject_Call_Prepend () at /usr/lib/libpython3.6m.so.1.0 #23 0x00007f194120ddbb in PyObject_Call () at /usr/lib/libpython3.6m.so.1.0 #24 0x00007f19411b51bf in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 #25 0x00007f19411b1496 in () at /usr/lib/libpython3.6m.so.1.0 #26 0x00007f19411cd82d in _PyFunction_FastCallDict () at /usr/lib/libpython3.6m.so.1.0 #27 0x00007f194120cf5f in _PyObject_FastCallDict () at /usr/lib/libpython3.6m.so.1.0 #28 0x00007f194120dcd3 in _PyObject_Call_Prepend () ---Type to continue, or q to quit--- at /usr/lib/libpython3.6m.so.1.0 #29 0x00007f194120ddbb in PyObject_Call () at /usr/lib/libpython3.6m.so.1.0 #30 0x00007f19411b51bf in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 #31 0x00007f19411b12b4 in () at /usr/lib/libpython3.6m.so.1.0 #32 0x00007f19411cd82d in _PyFunction_FastCallDict () at /usr/lib/libpython3.6m.so.1.0 #33 0x00007f194120cf5f in _PyObject_FastCallDict () at /usr/lib/libpython3.6m.so.1.0 #34 0x00007f194120dcd3 in _PyObject_Call_Prepend () at /usr/lib/libpython3.6m.so.1.0 #35 0x00007f194120ddbb in PyObject_Call () at /usr/lib/libpython3.6m.so.1.0 #36 0x00007f19411b51bf in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 #37 0x00007f19411b1496 in () at /usr/lib/libpython3.6m.so.1.0 #38 0x00007f19411cdc4f in () at /usr/lib/libpython3.6m.so.1.0 #39 0x00007f19411ce14e in () at /usr/lib/libpython3.6m.so.1.0 #40 0x00007f19411b3b9a in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 #41 0x00007f19411cda1b in () at /usr/lib/libpython3.6m.so.1.0 #42 0x00007f19411ce14e in () at /usr/lib/libpython3.6m.so.1.0 #43 0x00007f19411b3b9a in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 ---Type to continue, or q to quit--- #44 0x00007f19411b1496 in () at /usr/lib/libpython3.6m.so.1.0 #45 0x00007f19411cdc4f in () at /usr/lib/libpython3.6m.so.1.0 #46 0x00007f19411ce14e in () at /usr/lib/libpython3.6m.so.1.0 #47 0x00007f19411b3b9a in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 #48 0x00007f19411b12b4 in () at /usr/lib/libpython3.6m.so.1.0 #49 0x00007f19411cdc4f in () at /usr/lib/libpython3.6m.so.1.0 #50 0x00007f19411ce14e in () at /usr/lib/libpython3.6m.so.1.0 #51 0x00007f19411b3b9a in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 #52 0x00007f19411cda1b in () at /usr/lib/libpython3.6m.so.1.0 #53 0x00007f19411ce14e in () at /usr/lib/libpython3.6m.so.1.0 #54 0x00007f19411b3b9a in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 #55 0x00007f19411b1496 in () at /usr/lib/libpython3.6m.so.1.0 #56 0x00007f19411cdc4f in () at /usr/lib/libpython3.6m.so.1.0 #57 0x00007f19411ce14e in () at /usr/lib/libpython3.6m.so.1.0 #58 0x00007f19411b3b9a in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 #59 0x00007f19411cda1b in () at /usr/lib/libpython3.6m.so.1.0 #60 0x00007f19411ce14e in () at /usr/lib/libpython3.6m.so.1.0 #61 0x00007f19411b3b9a in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 ---Type to continue, or q to quit--- #62 0x00007f19411cda1b in () at /usr/lib/libpython3.6m.so.1.0 #63 0x00007f19411ce14e in () at /usr/lib/libpython3.6m.so.1.0 #64 0x00007f19411b3b9a in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 #65 0x00007f19411cd52b in _PyFunction_FastCallDict () at /usr/lib/libpython3.6m.so.1.0 #66 0x00007f194120cf5f in _PyObject_FastCallDict () at /usr/lib/libpython3.6m.so.1.0 #67 0x00007f194120dcd3 in _PyObject_Call_Prepend () at /usr/lib/libpython3.6m.so.1.0 #68 0x00007f194120ddbb in PyObject_Call () at /usr/lib/libpython3.6m.so.1.0 #69 0x00007f193ff8180d in () at /usr/lib/python3.6/site-packages/gi/_gi.cpython-36m-x86_64-linux-gnu.so #70 0x00007f193f565fbf in ffi_closure_unix64_inner () at /usr/lib/libffi.so.6 #71 0x00007f193f566330 in ffi_closure_unix64 () at /usr/lib/libffi.so.6 #72 0x00007f193f7d40be in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0 #73 0x00007f193f7d5f69 in () at /usr/lib/libglib-2.0.so.0 #74 0x00007f193f7d6f42 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0 #75 0x00007f193d78b84e in atspi_event_main () at /usr/lib/libatspi.so.0 #76 0x00007f193f5661c8 in ffi_call_unix64 () at /usr/lib/libffi.so.6 #77 0x00007f193f565c2a in ffi_call () at /usr/lib/libffi.so.6 #78 0x00007f193ff83b34 in () ---Type to continue, or q to quit--- at /usr/lib/python3.6/site-packages/gi/_gi.cpython-36m-x86_64-linux-gnu.so #79 0x00007f193ff857b8 in () at /usr/lib/python3.6/site-packages/gi/_gi.cpython-36m-x86_64-linux-gnu.so #80 0x00007f194120cd85 in _PyObject_FastCallDict () at /usr/lib/libpython3.6m.so.1.0 #81 0x00007f19411ce1be in () at /usr/lib/libpython3.6m.so.1.0 #82 0x00007f19411b3b9a in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 #83 0x00007f19411b1682 in () at /usr/lib/libpython3.6m.so.1.0 #84 0x00007f19411cdc4f in () at /usr/lib/libpython3.6m.so.1.0 #85 0x00007f19411ce14e in () at /usr/lib/libpython3.6m.so.1.0 #86 0x00007f19411b4921 in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 #87 0x00007f19411cda1b in () at /usr/lib/libpython3.6m.so.1.0 #88 0x00007f19411ce14e in () at /usr/lib/libpython3.6m.so.1.0 #89 0x00007f19411b3b9a in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 #90 0x00007f19411cd3da in () at /usr/lib/libpython3.6m.so.1.0 #91 0x00007f19411ce14e in () at /usr/lib/libpython3.6m.so.1.0 #92 0x00007f19411b3b9a in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 #93 0x00007f19411cda1b in () at /usr/lib/libpython3.6m.so.1.0 #94 0x00007f19411ce14e in () at /usr/lib/libpython3.6m.so.1.0 ---Type to continue, or q to quit--- #95 0x00007f19411b3b9a in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.6m.so.1.0 #96 0x00007f19411b21d8 in PyEval_EvalCodeEx () at /usr/lib/libpython3.6m.so.1.0 #97 0x00007f19411b306c in PyEval_EvalCode () at /usr/lib/libpython3.6m.so.1.0 #98 0x00007f19412942d4 in () at /usr/lib/libpython3.6m.so.1.0 #99 0x00007f1941296cc1 in PyRun_FileExFlags () at /usr/lib/libpython3.6m.so.1.0 #100 0x00007f1941296ec4 in PyRun_SimpleFileExFlags () at /usr/lib/libpython3.6m.so.1.0 #101 0x00007f1941293160 in Py_Main () at /usr/lib/libpython3.6m.so.1.0 #102 0x000055fc0ddf9c39 in main () (gdb)