(gdb) thread apply all bt Thread 1 (Thread 0x7efe17dc6700 (LWP 35735)):\ #0 0x00007efe19daf7bc in __lll_lock_wait () from /usr/lib/libpthread.so.0\ #1 0x00007efe19da8e34 in pthread_mutex_lock () from /usr/lib/libpthread.so.0\ #2 0x00007efe1a2e1713 in _dl_add_to_namespace_list () from /lib64/ld-linux-x86-64.so.2\ #3 0x00007efe1a2dcd29 in _dl_map_object_from_fd () from /lib64/ld-linux-x86-64.so.2\ #4 0x00007efe1a2def76 in _dl_map_object () from /lib64/ld-linux-x86-64.so.2\ #5 0x00007efe1a2e937f in dl_open_worker () from /lib64/ld-linux-x86-64.so.2\ #6 0x00007efe1a23d3d9 in _dl_catch_exception () from /usr/lib/libc.so.6\ #7 0x00007efe1a2e8f5e in _dl_open () from /lib64/ld-linux-x86-64.so.2\ #8 0x00007efe19d9934c in ?? () from /usr/lib/libdl.so.2\ #9 0x00007efe1a23d3d9 in _dl_catch_exception () from /usr/lib/libc.so.6\ #10 0x00007efe1a23d473 in _dl_catch_error () from /usr/lib/libc.so.6\ #11 0x00007efe19d99ab9 in ?? () from /usr/lib/libdl.so.2\ #12 0x00007efe19d993da in dlopen () from /usr/lib/libdl.so.2\ #13 0x00007efe19f85451 in _PyImport_FindSharedFuncptr () from /usr/lib/libpython3.7m.so.1.0\ #14 0x00007efe19fbe56c in _PyImport_LoadDynamicModuleWithSpec () from /usr/lib/libpython3.7m.so.1.0\ #15 0x00007efe19fbe8e5 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #16 0x00007efe19ec40b5 in _PyMethodDef_RawFastCallDict () from /usr/lib/libpython3.7m.so.1.0\ #17 0x00007efe19ec4214 in _PyCFunction_FastCallDict () from /usr/lib/libpython3.7m.so.1.0\ #18 0x00007efe19f312f9 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #19 0x00007efe19ee4768 in _PyEval_EvalCodeWithName () from /usr/lib/libpython3.7m.so.1.0\ #20 0x00007efe19ee57d3 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #21 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #22 0x00007efe19f3040a in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #23 0x00007efe19ee5633 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #24 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #25 0x00007efe19f2bf70 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #26 0x00007efe19ee5633 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #27 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #28 0x00007efe19f2bed7 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #29 0x00007efe19ee5633 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #30 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #31 0x00007efe19f2bed7 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #32 0x00007efe19ee5633 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #33 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #34 0x00007efe19f2bed7 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #35 0x00007efe19ee5cab in _PyFunction_FastCallDict () from /usr/lib/libpython3.7m.so.1.0\ #36 0x00007efe19ec3300 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #37 0x00007efe19ee131a in _PyObject_CallMethodIdObjArgs () from /usr/lib/libpython3.7m.so.1.0\ #38 0x00007efe19f0dcd4 in PyImport_ImportModuleLevelObject () from /usr/lib/libpython3.7m.so.1.0\ #39 0x00007efe19f2de02 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #40 0x00007efe19ee5cab in _PyFunction_FastCallDict () from /usr/lib/libpython3.7m.so.1.0\ #41 0x00007efe19259a08 in ?? () from /usr/lib/python3.7/lib-dynload/_posixsubprocess.cpython-37m-x86_64-linux-gnu.so\ #42 0x00007efe19ec45df in _PyMethodDef_RawFastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #43 0x00007efe19ec4714 in _PyCFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #44 0x00007efe19ef62ec in ?? () from /usr/lib/libpython3.7m.so.1.0\ #45 0x00007efe19f3040a in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #46 0x00007efe19ee4768 in _PyEval_EvalCodeWithName () from /usr/lib/libpython3.7m.so.1.0\ #47 0x00007efe19ee57d3 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #48 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #49 0x00007efe19f2bf70 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #50 0x00007efe19ee4768 in _PyEval_EvalCodeWithName () from /usr/lib/libpython3.7m.so.1.0\ #51 0x00007efe19ee5e7f in _PyFunction_FastCallDict () from /usr/lib/libpython3.7m.so.1.0\ #52 0x00007efe19eb9ce8 in _PyObject_Call_Prepend () from /usr/lib/libpython3.7m.so.1.0\ #53 0x00007efe19ef4255 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #54 0x00007efe19ef4f5a in _PyObject_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #55 0x00007efe19ef6362 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #56 0x00007efe19f2cb78 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #57 0x00007efe19ee4768 in _PyEval_EvalCodeWithName () from /usr/lib/libpython3.7m.so.1.0\ #58 0x00007efe19ee5e7f in _PyFunction_FastCallDict () from /usr/lib/libpython3.7m.so.1.0\ #59 0x00007efe19f2d48e in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #60 0x00007efe19ee4768 in _PyEval_EvalCodeWithName () from /usr/lib/libpython3.7m.so.1.0\ #61 0x00007efe19ee5e7f in _PyFunction_FastCallDict () from /usr/lib/libpython3.7m.so.1.0\ #62 0x00007efe19eb9ce8 in _PyObject_Call_Prepend () from /usr/lib/libpython3.7m.so.1.0\ #63 0x00007efe19ef4255 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #64 0x00007efe19ef4f5a in _PyObject_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #65 0x00007efe19ef6362 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #66 0x00007efe19f2cb78 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #67 0x00007efe19ee5633 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #68 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #69 0x00007efe19f2bf70 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #70 0x00007efe19ee4768 in _PyEval_EvalCodeWithName () from /usr/lib/libpython3.7m.so.1.0\ #71 0x00007efe19ee57d3 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #72 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #73 0x00007efe19f2bf70 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #74 0x00007efe19ee5633 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #75 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #76 0x00007efe19f2bf70 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #77 0x00007efe19ee5633 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #78 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #79 0x00007efe19f2bf70 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #80 0x00007efe19ee5633 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #81 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #82 0x00007efe19f2bf70 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #83 0x00007efe19ee5633 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #84 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #85 0x00007efe19f2bf70 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #86 0x00007efe19ee4768 in _PyEval_EvalCodeWithName () from /usr/lib/libpython3.7m.so.1.0\ #87 0x00007efe19ee57d3 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #88 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #89 0x00007efe19f2bf70 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #90 0x00007efe19ee5633 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #91 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #92 0x00007efe19f2bf70 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #93 0x00007efe19ee5633 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #94 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #95 0x00007efe19f2bf70 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #96 0x00007efe19ee5633 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #97 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #98 0x00007efe19f2bf70 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #99 0x00007efe19ee5633 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #100 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #101 0x00007efe19f2bf70 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #102 0x00007efe19ee4768 in _PyEval_EvalCodeWithName () from /usr/lib/libpython3.7m.so.1.0\ #103 0x00007efe19ee57d3 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #104 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #105 0x00007efe19f2bf70 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #106 0x00007efe19ee4768 in _PyEval_EvalCodeWithName () from /usr/lib/libpython3.7m.so.1.0\ #107 0x00007efe19ee5e7f in _PyFunction_FastCallDict () from /usr/lib/libpython3.7m.so.1.0\ #108 0x00007efe19f2d48e in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #109 0x00007efe19ee5633 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #110 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #111 0x00007efe19f2bf70 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #112 0x00007efe19ee5633 in _PyFunction_FastCallKeywords () from /usr/lib/libpython3.7m.so.1.0\ #113 0x00007efe19ef61d0 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #114 0x00007efe19f2bf70 in _PyEval_EvalFrameDefault () from /usr/lib/libpython3.7m.so.1.0\ #115 0x00007efe19ee5cab in _PyFunction_FastCallDict () from /usr/lib/libpython3.7m.so.1.0\ #116 0x00007efe19eb9ce8 in _PyObject_Call_Prepend () from /usr/lib/libpython3.7m.so.1.0\ #117 0x00007efe19ee63be in PyObject_Call () from /usr/lib/libpython3.7m.so.1.0\ #118 0x00007efe19fc268a in ?? () from /usr/lib/libpython3.7m.so.1.0\ #119 0x00007efe19f3bad5 in ?? () from /usr/lib/libpython3.7m.so.1.0\ #120 0x00007efe19da657f in start_thread () from /usr/lib/libpthread.so.0\ #121 0x00007efe1a2020e3 in clone () from /usr/lib/libc.so.6\ (gdb) \