mc crashed when a channel handler disappeared (sigkilled) while another client was ensuring that channel - ie, it crashed while replying "Handler no longer available" The reply was sent to the second client though. #0 0x00007f089188d98d in nanosleep () at ../sysdeps/unix/syscall-template.S:81 No locals. #1 0x00007f089188d824 in __sleep (seconds=0, seconds@entry=60) at ../sysdeps/unix/sysv/linux/sleep.c:137 ts = {tv_sec = 23, tv_nsec = 54226441} set = {__val = {65536, 0 <repeats 15 times>}} oset = {__val = {1024, 139674795783211, 4294967295, 139674786601367, 139674777417912, 139674794371512, 0, 140734318261424, 0, 139674786571699, 140734318261424, 139674786601367, 0, 108, 140734318261184, 139674786576459}} result = <optimized out> #2 0x00007f0892963aca in log_and_wait () at autoattach.c:67 buf = "[AUTOATTACH LOG] [CRASH] The program with pid 1584 crashed\n\000 crashed\n" #3 on_signal (sig=<optimized out>) at autoattach.c:76 No locals. #4 <signal handler called> No locals. #5 0x0000000000419ba7 in _mcd_channel_set_status (channel=0x1c7df40, status=MCD_CHANNEL_STATUS_ABORTED) at mcd-channel.c:715 __t = 29288864 __r = 29288864 __FUNCTION__ = "_mcd_channel_set_status" #6 0x000000000041a269 in copy_status (source=0x1c91dc0, dest=0x1c7df40) at mcd-channel.c:1043 src_priv = 0x1c91d80 dst_priv = 0x7f08926809c4 #7 0x00007f089281afe8 in g_closure_invoke (closure=0x1c03d40, return_value=0x0, n_param_values=2, param_values=0x7fff430c3af0, invocation_hint=0x7fff430c3a90) at gclosure.c:768 marshal = 0x7f089281d0d0 <g_cclosure_marshal_VOID__INT> marshal_data = 0x0 in_marshal = 0 real_closure = 0x1c03d20 __FUNCTION__ = "g_closure_invoke" #8 0x00007f089282cb2d in signal_emit_unlocked_R (node=node@entry=0x1bee860, detail=detail@entry=0, instance=instance@entry=0x1c91dc0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fff430c3af0) at gsignal.c:3551 tmp = <optimized out> handler = 0x1ce3180 accumulator = 0x0 emission = {next = 0x7fff430c41d0, instance = 0x1c91dc0, ihint = {signal_id = 81, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4} handler_list = 0x1ce3180 return_accu = 0x0 accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}} signal_id = 81 max_sequential_handler_number = 2565 return_value_altered = 1 #9 0x00007f0892834af2 in g_signal_emit_valist (instance=instance@entry=0x1c91dc0, signal_id=signal_id@entry=81, detail=detail@entry=0, var_args=var_args@entry=0x7fff430c3ce0) at gsignal.c:3307 instance_and_params = 0x7fff430c3af0 signal_return_type = <optimized out> param_values = 0x7fff430c3b08 i = <optimized out> n_params = <optimized out> __FUNCTION__ = "g_signal_emit_valist" #10 0x00007f089283523d in g_signal_emit_by_name (instance=0x1c91dc0, detailed_signal=0x439dcf "status-changed") at gsignal.c:3403 var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff430c3df0, reg_save_area = 0x7fff430c3d00}} detail = 0 signal_id = 81 itype = 29288864 __FUNCTION__ = "g_signal_emit_by_name" #11 0x0000000000419c10 in _mcd_channel_set_status (channel=0x1c91dc0, status=MCD_CHANNEL_STATUS_ABORTED) at mcd-channel.c:723 __FUNCTION__ = "_mcd_channel_set_status" #12 0x0000000000419f4b in mcd_channel_abort (mission=0x1c91dc0) at mcd-channel.c:415 channel = 0x1c91dc0 priv = 0x1c91d80 #13 0x00007f0890a2fd8c in ffi_call_unix64 () at ../src/x86/unix64.S:76 No locals. #14 0x00007f0890a2f6bc in ffi_call (cif=cif@entry=0x7fff430c4050, fn=0x419240 <proxy_destroyed>, rvalue=0x7fff430c3fc0, avalue=avalue@entry=0x7fff430c3f40) at ../src/x86/ffi64.c:522 classes = {X86_64_INTEGER_CLASS, X86_64_NO_CLASS, 1124876368, 32767} stack = 0x7fff430c3d80 "\360\032\306\001" argp = 0x7fff430c3e30 "" arg_types = <optimized out> gprcount = 5 ssecount = <optimized out> ngpr = 1 nsse = 0 i = <optimized out> avn = <optimized out> ret_in_memory = <optimized out> reg_args = 0x7fff430c3d80 #15 0x00007f089281b7fd in g_cclosure_marshal_generic (closure=0x1cbf770, return_gvalue=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=0x0) at gclosure.c:1448 rtype = <optimized out> rvalue = 0x7fff430c3fc0 n_args = 5 atypes = <optimized out> i = <optimized out> cif = {abi = FFI_UNIX64, nargs = 5, arg_types = 0x7fff430c3f80, rtype = 0x7f0890a30180 <ffi_type_void>, bytes = 0, flags = 0} cc = <optimized out> enum_tmpval = <optimized out> tmpval_used = 0 #16 0x00007f089281afe8 in g_closure_invoke (closure=0x1cbf770, return_value=0x0, n_param_values=4, param_values=0x7fff430c4240, invocation_hint=0x7fff430c41e0) at gclosure.c:768 marshal = 0x7f089281b630 <g_cclosure_marshal_generic> marshal_data = 0x0 in_marshal = 0 real_closure = 0x1cbf750 __FUNCTION__ = "g_closure_invoke" #17 0x00007f089282cb2d in signal_emit_unlocked_R (node=node@entry=0x1b8aad0, detail=detail@entry=0, instance=instance@entry=0x1c61af0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fff430c4240) at gsignal.c:3551 tmp = <optimized out> handler = 0x1ccc210 accumulator = 0x0 emission = {next = 0x0, instance = 0x1c61af0, ihint = {signal_id = 5, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4} handler_list = 0x1cd0150 return_accu = 0x0 accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}} signal_id = 5 max_sequential_handler_number = 2565 return_value_altered = 1 #18 0x00007f0892834af2 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fff430c43f8) at gsignal.c:3307 instance_and_params = 0x7fff430c4240 signal_return_type = <optimized out> param_values = 0x7fff430c4258 i = <optimized out> n_params = <optimized out> __FUNCTION__ = "g_signal_emit_valist" #19 0x00007f0892834d32 in g_signal_emit (instance=instance@entry=0x1c61af0, signal_id=<optimized out>, detail=detail@entry=0) at gsignal.c:3363 var_args = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 0x7fff430c44d0, reg_save_area = 0x7fff430c4410}} #20 0x00007f089264ce35 in tp_proxy_emit_invalidated (p=p@entry=0x1c61af0) at proxy.c:613 self = 0x1c61af0 __func__ = "tp_proxy_emit_invalidated" #21 0x00007f089264d340 in tp_proxy_invalidate (self=self@entry=0x1c61af0, error=<optimized out>) at proxy.c:657 __func__ = "tp_proxy_invalidate" #22 0x00007f08925a83cd in tp_channel_closed_cb (self=0x1c61af0, user_data=user_data@entry=0x0, weak_object=weak_object@entry=0x0) at channel.c:1282 No locals. #23 0x00007f089259a49d in _tp_cli_channel_invoke_callback_for_closed (tpproxy=0x1c61af0, error=<optimized out>, args=0x0, generic_callback=0x7f08925a83b0 <tp_channel_closed_cb>, user_data=0x0, weak_object=0x0) at _gen/tp-cli-channel-body.h:27 callback = 0x7f08925a83b0 <tp_channel_closed_cb> #24 0x00007f089264f51c in tp_proxy_signal_invocation_run (p=0x1c1de60) at proxy-signals.c:269 invocation = 0x1c1de60 popped = <optimized out> #25 0x00007f0891df51b5 in g_main_dispatch (context=0x1b8a070) at gmain.c:3064 dispatch = 0x7f0891df2090 <g_idle_dispatch> prev_source = 0x0 was_in_call = 0 user_data = 0x1c1de60 callback = 0x7f089264f4c0 <tp_proxy_signal_invocation_run> cb_funcs = 0x7f0891eddc60 <g_source_callback_funcs> cb_data = 0x1c9b990 need_destroy = <optimized out> source = 0x1bf3ca0 current = 0x1b7a690 i = 0 #26 g_main_context_dispatch (context=context@entry=0x1b8a070) at gmain.c:3663 No locals. #27 0x00007f0891df5518 in g_main_context_iterate (context=0x1b8a070, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3734 max_priority = -100 timeout = 0 some_ready = 1 nfds = <optimized out> allocated_nfds = 4 fds = 0x1bba080 #28 0x00007f0891df57da in g_main_loop_run (loop=0x1b8ab40) at gmain.c:3928 __FUNCTION__ = "g_main_loop_run" #29 0x00000000004102d9 in mcd_service_run (self=<optimized out>) at mcd-service.c:190 No locals. #30 0x000000000040e9e9 in main (argc=<optimized out>, argv=<optimized out>) at mc-server.c:194 act = {__sigaction_handler = {sa_handler = 0x40e780 <signal_handler>, sa_sigaction = 0x40e780 <signal_handler>}, sa_mask = {__val = { 0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x7fff430c4870} empty_mask = {__val = {0 <repeats 16 times>}} (disregard the first lines, it's the crash detection code) mission control version: telepathy-mission-control-5.16.1-5-gc86536f
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