[Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1". 0x0000ffffb2b84c00 in __GI___wait4 (pid=715, stat_loc=stat_loc@entry=0xffffeaca2bc0, options=options@entry=0, usage=usage@entry=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:27 27 ../sysdeps/unix/sysv/linux/wait4.c: No such file or directory. #0 0x0000ffffb2b84c00 in __GI___wait4 (pid=715, stat_loc=stat_loc@entry=0xffffeaca2bc0, options=options@entry=0, usage=usage@entry=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:27 _x2tmp = _x0tmp = 715 _x0 = 715 _x2 = 0 _x8 = 260 _x3tmp = 0 _x1tmp = 281474620861376 _x1 = 281474620861376 _x3 = 0 _sys_result = _sys_result = sc_ret = #1 0x0000ffffb2b84bb8 in __GI___waitpid (pid=, stat_loc=stat_loc@entry=0xffffeaca2bc0, options=options@entry=0) at waitpid.c:38 No locals. #2 0x0000ffffb2b21210 in do_system (line=) at ../sysdeps/posix/system.c:172 __result = _buffer = {__routine = 0xffffb2b213f8 , __arg = 0xffffeaca2bc8, __canceltype = 0, __prev = 0x0} _avail = 1 cancel_args = {quit = 0xffffb2c513e8 , intr = 0xffffb2c51350 , pid = 715} status = -1 ret = 0 pid = 715 sa = {__sigaction_handler = {sa_handler = 0x1, sa_sigaction = 0x1}, sa_mask = {__val = {65536, 0 }}, sa_flags = 0, sa_restorer = 0xffffb2f3dfc0} omask = {__val = {128, 2449899969, 281473681030719, 281473684069912, 281474620861620, 281474620861624, 38279687, 281473681019176, 281474620861864, 281473684016160, 1, 281474620861848, 281473684059912, 0, 281473684073360, 4}} reset = {__val = {6, 0 }} spawn_attr = {__flags = 12, __pgrp = 0, __sd = {__val = {6, 0 }}, __ss = {__val = {128, 2449899969, 281473681030719, 281473684069912, 281474620861620, 281474620861624, 38279687, 281473681019176, 281474620861864, 281473684016160, 1, 281474620861848, 281473684059912, 0, 281473684073360, 4}}, __sp = {sched_priority = 0}, __policy = 0, __pad = {0 }} #3 0x0000aaaacb04e668 in AP_HAL::dump_stack_trace () at ../../libraries/AP_HAL_SITL/system.cpp:94 dumpstack = 0xaaaacb12c860 "Tools/scripts/dumpstack" statbuf = {st_dev = 41, st_ino = 21, st_mode = 33261, st_nlink = 1, st_uid = 0, st_gid = 0, st_rdev = 0, __pad1 = 0, st_size = 265, st_blksize = 4096, __pad2 = 0, st_blocks = 8, st_atim = {tv_sec = 1772151967, tv_nsec = 355576683}, st_mtim = {tv_sec = 1772151936, tv_nsec = 109347043}, st_ctim = {tv_sec = 1772151936, tv_nsec = 109347043}, __glibc_reserved = {0, 0}} paths = {0xaaaacb12c860 "Tools/scripts/dumpstack", 0xaaaacb12c878 "APM/Tools/scripts/dumpstack"} cmd = "sh Tools/scripts/dumpstack 714 >segv_arduplane.714.out 2>&1", '\000' progname = "/ardupilot/build/sitl/bin\000arduplane", '\000' p = 0xffffeaca3089 "" n = 35 output_filepath = "segv_arduplane.714.out\000\000\000\000\000\000\000" fd = 0 buf = '\000' ... #4 0x0000aaaacb04efd8 in _sig_fpe (signum=8) at ../../libraries/AP_HAL_SITL/SITL_cmdline.cpp:48 No locals. #5 No symbol table info available. #6 is_equal (v_1=nan(0x400000), v_2=0) at ../../libraries/AP_Math/AP_Math.cpp:35 No locals. #7 0x0000aaaacafd0c28 in GCS_MAVLINK::handle_param_set (this=0xaaaaea787c20, msg=...) at ../../libraries/GCS_MAVLink/GCS_Param.cpp:299 packet = {param_value = nan(0x400000), target_system = 1 '\001', target_component = 0 '\000', param_id = "ARSPD_FBW_MIN\000\000", param_type = 9 '\t'} var_type = AP_PARAM_INT16 vp = 0xaaaacb1b3916 key = "ARSPD_FBW_MIN\000\000\000" parameter_flags = 0 old_value = 0 force_save = false logger = 0xaea6a0652e9200d7 #8 0x0000aaaacafd11f4 in GCS_MAVLINK::handle_common_param_message (this=0xaaaaea787c20, msg=...) at ../../libraries/GCS_MAVLink/GCS_Param.cpp:448 No locals. #9 0x0000aaaacafdd550 in GCS_MAVLINK::handle_common_message (this=0xaaaaea787c20, msg=...) at ../../libraries/GCS_MAVLink/GCS_Common.cpp:2970 No locals. #10 0x0000aaaacaf28fb0 in GCS_MAVLINK_Plane::handleMessage (this=0xaaaaea787c20, msg=...) at ../../ArduPlane/GCS_Mavlink.cpp:1336 No locals. #11 0x0000aaaacafd8d34 in GCS_MAVLINK::packetReceived (this=0xaaaaea787c20, status=..., msg=...) at ../../libraries/GCS_MAVLink/GCS_Common.cpp:1290 No locals. #12 0x0000aaaacaf27370 in GCS_MAVLINK_Plane::packetReceived (this=0xaaaaea787c20, status=..., msg=...) at ../../ArduPlane/GCS_Mavlink.cpp:708 No locals. #13 0x0000aaaacafd8fe8 in GCS_MAVLINK::update_receive (this=0xaaaaea787c20, max_time_us=1000) at ../../libraries/GCS_MAVLink/GCS_Common.cpp:1344 c = 22 '\026' protocol_timeout = 4000 parsed_packet = false i = 30 msg = {checksum = 5741, magic = 254 '\376', len = 23 '\027', incompat_flags = 0 '\000', compat_flags = 0 '\000', seq = 1 '\001', sysid = 255 '\377', compid = 0 '\000', msgid = 23, payload64 = {5927018591034540032, 6870032626590437459, 2533274795526477, 0 }, ck = "m\026", signature = '\000' } status = {msg_received = 0 '\000', buffer_overrun = 0 '\000', parse_error = 0 '\000', parse_state = MAVLINK_PARSE_STATE_IDLE, packet_idx = 23 '\027', current_rx_seq = 2 '\002', current_tx_seq = 0 '\000', packet_rx_success_count = 2, packet_rx_drop_count = 0, flags = 3 '\003', signature_wait = 11 '\v', signing = 0xffffeaca4a80, signing_streams = 0xaaaacaf97b9c } tstart_us = 2833866 now_ms = 2833 nbytes = 31 tnow = 43690 #14 0x0000aaaacafda5ec in GCS::update_receive (this=0xaaaacb1b69b0 ) at ../../libraries/GCS_MAVLink/GCS_Common.cpp:1872 i = 0 '\000' #15 0x0000aaaacaf20f74 in Functor::method_wrapper (obj=0xaaaacb1b69b0 ) at ../../libraries/AP_HAL/utility/functor.h:88 t = 0xaaaacb1b69b0 #16 0x0000aaaacaf964e0 in Functor::operator() (this=0xaaaacb1a7528 ) at ../../libraries/AP_HAL/utility/functor.h:54 No locals. #17 0x0000aaaacafb0cd8 in AP_Scheduler::run (this=0xaaaacb1b4140 , time_available=20000) at ../../libraries/AP_Scheduler/AP_Scheduler.cpp:176 dt = 1 interval_ticks = 1 time_taken = 0 i = 17 '\021' run_started_usec = 2833866 now = 2833866 #18 0x0000aaaacafb11ec in AP_Scheduler::loop (this=0xaaaacb1b4140 ) at ../../libraries/AP_Scheduler/AP_Scheduler.cpp:295 sample_time_us = 2833866 loop_us = 20000 now = 2833866 time_available = 20000 #19 0x0000aaaacaf1f24c in Plane::loop (this=0xaaaacb1b3908 ) at ../../ArduPlane/ArduPlane.cpp:128 No locals. #20 0x0000aaaacb042c60 in HAL_SITL::run (this=0xaaaacb1c14c8 , argc=9, argv=0xffffeaca4ed8, callbacks=0xaaaacb1b3908 ) at ../../libraries/AP_HAL_SITL/HAL_SITL_Class.cpp:180 now = 2814 __PRETTY_FUNCTION__ = "virtual void HAL_SITL::run(int, char* const*, AP_HAL::HAL::Callbacks*) const" new_argv_offset = 9 '\t' using_watchdog = false last_watchdog_save = 1733 #21 0x0000aaaacaf20c68 in main (argc=9, argv=0xffffeaca4ed8) at ../../ArduPlane/ArduPlane.cpp:695 No locals. Thread 1 (Thread 0xffffb2f3bee0 (LWP 714)): #0 0x0000ffffb2b84c00 in __GI___wait4 (pid=715, stat_loc=stat_loc@entry=0xffffeaca2bc0, options=options@entry=0, usage=usage@entry=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:27 _x2tmp = _x0tmp = 715 _x0 = 715 _x2 = 0 _x8 = 260 _x3tmp = 0 _x1tmp = 281474620861376 _x1 = 281474620861376 _x3 = 0 _sys_result = _sys_result = sc_ret = #1 0x0000ffffb2b84bb8 in __GI___waitpid (pid=, stat_loc=stat_loc@entry=0xffffeaca2bc0, options=options@entry=0) at waitpid.c:38 No locals. #2 0x0000ffffb2b21210 in do_system (line=) at ../sysdeps/posix/system.c:172 __result = _buffer = {__routine = 0xffffb2b213f8 , __arg = 0xffffeaca2bc8, __canceltype = 0, __prev = 0x0} _avail = 1 cancel_args = {quit = 0xffffb2c513e8 , intr = 0xffffb2c51350 , pid = 715} status = -1 ret = 0 pid = 715 sa = {__sigaction_handler = {sa_handler = 0x1, sa_sigaction = 0x1}, sa_mask = {__val = {65536, 0 }}, sa_flags = 0, sa_restorer = 0xffffb2f3dfc0} omask = {__val = {128, 2449899969, 281473681030719, 281473684069912, 281474620861620, 281474620861624, 38279687, 281473681019176, 281474620861864, 281473684016160, 1, 281474620861848, 281473684059912, 0, 281473684073360, 4}} reset = {__val = {6, 0 }} spawn_attr = {__flags = 12, __pgrp = 0, __sd = {__val = {6, 0 }}, __ss = {__val = {128, 2449899969, 281473681030719, 281473684069912, 281474620861620, 281474620861624, 38279687, 281473681019176, 281474620861864, 281473684016160, 1, 281474620861848, 281473684059912, 0, 281473684073360, 4}}, __sp = {sched_priority = 0}, __policy = 0, __pad = {0 }} #3 0x0000aaaacb04e668 in AP_HAL::dump_stack_trace () at ../../libraries/AP_HAL_SITL/system.cpp:94 dumpstack = 0xaaaacb12c860 "Tools/scripts/dumpstack" statbuf = {st_dev = 41, st_ino = 21, st_mode = 33261, st_nlink = 1, st_uid = 0, st_gid = 0, st_rdev = 0, __pad1 = 0, st_size = 265, st_blksize = 4096, __pad2 = 0, st_blocks = 8, st_atim = {tv_sec = 1772151967, tv_nsec = 355576683}, st_mtim = {tv_sec = 1772151936, tv_nsec = 109347043}, st_ctim = {tv_sec = 1772151936, tv_nsec = 109347043}, __glibc_reserved = {0, 0}} paths = {0xaaaacb12c860 "Tools/scripts/dumpstack", 0xaaaacb12c878 "APM/Tools/scripts/dumpstack"} cmd = "sh Tools/scripts/dumpstack 714 >segv_arduplane.714.out 2>&1", '\000' progname = "/ardupilot/build/sitl/bin\000arduplane", '\000' p = 0xffffeaca3089 "" n = 35 output_filepath = "segv_arduplane.714.out\000\000\000\000\000\000\000" fd = 0 buf = '\000' ... #4 0x0000aaaacb04efd8 in _sig_fpe (signum=8) at ../../libraries/AP_HAL_SITL/SITL_cmdline.cpp:48 No locals. #5 No symbol table info available. #6 is_equal (v_1=nan(0x400000), v_2=0) at ../../libraries/AP_Math/AP_Math.cpp:35 No locals. #7 0x0000aaaacafd0c28 in GCS_MAVLINK::handle_param_set (this=0xaaaaea787c20, msg=...) at ../../libraries/GCS_MAVLink/GCS_Param.cpp:299 packet = {param_value = nan(0x400000), target_system = 1 '\001', target_component = 0 '\000', param_id = "ARSPD_FBW_MIN\000\000", param_type = 9 '\t'} var_type = AP_PARAM_INT16 vp = 0xaaaacb1b3916 key = "ARSPD_FBW_MIN\000\000\000" parameter_flags = 0 old_value = 0 force_save = false logger = 0xaea6a0652e9200d7 #8 0x0000aaaacafd11f4 in GCS_MAVLINK::handle_common_param_message (this=0xaaaaea787c20, msg=...) at ../../libraries/GCS_MAVLink/GCS_Param.cpp:448 No locals. #9 0x0000aaaacafdd550 in GCS_MAVLINK::handle_common_message (this=0xaaaaea787c20, msg=...) at ../../libraries/GCS_MAVLink/GCS_Common.cpp:2970 No locals. #10 0x0000aaaacaf28fb0 in GCS_MAVLINK_Plane::handleMessage (this=0xaaaaea787c20, msg=...) at ../../ArduPlane/GCS_Mavlink.cpp:1336 No locals. #11 0x0000aaaacafd8d34 in GCS_MAVLINK::packetReceived (this=0xaaaaea787c20, status=..., msg=...) at ../../libraries/GCS_MAVLink/GCS_Common.cpp:1290 No locals. #12 0x0000aaaacaf27370 in GCS_MAVLINK_Plane::packetReceived (this=0xaaaaea787c20, status=..., msg=...) at ../../ArduPlane/GCS_Mavlink.cpp:708 No locals. #13 0x0000aaaacafd8fe8 in GCS_MAVLINK::update_receive (this=0xaaaaea787c20, max_time_us=1000) at ../../libraries/GCS_MAVLink/GCS_Common.cpp:1344 c = 22 '\026' protocol_timeout = 4000 parsed_packet = false i = 30 msg = {checksum = 5741, magic = 254 '\376', len = 23 '\027', incompat_flags = 0 '\000', compat_flags = 0 '\000', seq = 1 '\001', sysid = 255 '\377', compid = 0 '\000', msgid = 23, payload64 = {5927018591034540032, 6870032626590437459, 2533274795526477, 0 }, ck = "m\026", signature = '\000' } status = {msg_received = 0 '\000', buffer_overrun = 0 '\000', parse_error = 0 '\000', parse_state = MAVLINK_PARSE_STATE_IDLE, packet_idx = 23 '\027', current_rx_seq = 2 '\002', current_tx_seq = 0 '\000', packet_rx_success_count = 2, packet_rx_drop_count = 0, flags = 3 '\003', signature_wait = 11 '\v', signing = 0xffffeaca4a80, signing_streams = 0xaaaacaf97b9c } tstart_us = 2833866 now_ms = 2833 nbytes = 31 tnow = 43690 #14 0x0000aaaacafda5ec in GCS::update_receive (this=0xaaaacb1b69b0 ) at ../../libraries/GCS_MAVLink/GCS_Common.cpp:1872 i = 0 '\000' #15 0x0000aaaacaf20f74 in Functor::method_wrapper (obj=0xaaaacb1b69b0 ) at ../../libraries/AP_HAL/utility/functor.h:88 t = 0xaaaacb1b69b0 #16 0x0000aaaacaf964e0 in Functor::operator() (this=0xaaaacb1a7528 ) at ../../libraries/AP_HAL/utility/functor.h:54 No locals. #17 0x0000aaaacafb0cd8 in AP_Scheduler::run (this=0xaaaacb1b4140 , time_available=20000) at ../../libraries/AP_Scheduler/AP_Scheduler.cpp:176 dt = 1 interval_ticks = 1 time_taken = 0 i = 17 '\021' run_started_usec = 2833866 now = 2833866 #18 0x0000aaaacafb11ec in AP_Scheduler::loop (this=0xaaaacb1b4140 ) at ../../libraries/AP_Scheduler/AP_Scheduler.cpp:295 sample_time_us = 2833866 loop_us = 20000 now = 2833866 time_available = 20000 #19 0x0000aaaacaf1f24c in Plane::loop (this=0xaaaacb1b3908 ) at ../../ArduPlane/ArduPlane.cpp:128 No locals. #20 0x0000aaaacb042c60 in HAL_SITL::run (this=0xaaaacb1c14c8 , argc=9, argv=0xffffeaca4ed8, callbacks=0xaaaacb1b3908 ) at ../../libraries/AP_HAL_SITL/HAL_SITL_Class.cpp:180 now = 2814 __PRETTY_FUNCTION__ = "virtual void HAL_SITL::run(int, char* const*, AP_HAL::HAL::Callbacks*) const" new_argv_offset = 9 '\t' using_watchdog = false last_watchdog_save = 1733 #21 0x0000aaaacaf20c68 in main (argc=9, argv=0xffffeaca4ed8) at ../../ArduPlane/ArduPlane.cpp:695 No locals. A debugging session is active. Inferior 1 [process 714] will be detached. Quit anyway? (y or n) [answered Y; input not from terminal] [Inferior 1 (process 714) detached]