10 Feb
2021
10 Feb
'21
4:04 a.m.
### Description
When working atop the 5.4 branch patched with `--no-atexit` option from
https://github.com/kamailio/kamailio/issues/2616#issuecomment-771811762 applied, I've
been testing the use of http_async_query to pass out MESSAGE requests to selected
destinations to an API via HTTPS. I experienced the following core dumps during the time
where a higher number (may 10 or so) of these async queries may have been happening around
the same time. I am not sure however how to interpret these and they may have had nothing
to do with #2616.
Of note for process `23694`, the logs spewed `INFO: http_async_client [http_multi.c:87]:
event_cb(): Cell for handler 0x7f834b7eda08 not found in table` thousands of times,
spiking CPU until Kamailio finally quit with sig 11.
#### Debugging Data
For core dump of process `2193`:
```
#0 0x00007f367f64ea23 in free_cell_helper (dead_cell=0x7f3683d34b48, silent=0,
fname=0x7f367f770902 "timer.c", fline=643) at h_table.c:186
b = 0x7f367f64c26d <futex_release+29>
"\211E\374\203}\374\002\017\224\300\017\266\300H\205\300t6H\213E\350H\203\354\bj"
i = 1
rpl = 0x7ffd51f7fd40
tt = 0x7ffd51f7fd60
foo = 0x0
cbs = 0x0
cbs_tmp = 0x7f3680154a20
__func__ = "free_cell_helper"
#1 0x00007f367f71b738 in wait_handler (ti=2051374262, wait_tl=0x7f3683d34bd0,
data=0x7f3683d34b48) at timer.c:643
p_cell = 0x7f3683d34b48
ret = 2143519712
unlinked = 0
rcount = 1
__func__ = "wait_handler"
#2 0x00000000006ae985 in timer_list_expire (t=2051374262, h=0x7f367fc7c4c0,
slow_l=0x7f367fc7e398, slow_mark=16842) at core/timer.c:857
tl = 0x7f3683d34bd0
ret = 32566
#3 0x00000000006aee48 in timer_handler () at core/timer.c:922
saved_ticks = 2051374262
run_slow_timer = 0
i = 458
__func__ = "timer_handler"
#4 0x00000000006af30a in timer_main () at core/timer.c:961
No locals.
#5 0x000000000042c59c in main_loop () at main.c:1769
i = 2
pid = 0
si = 0x0
si_desc = "udp receiver child=1
sock=[2603:300a:134:50e0::3]:5060\000\000\300\261ʈ6\177\000\000\360\005G\210\066\177\000\000Z\262ʈ6\177\000\000\060\000\000\000\060\000\000\000\b\001\370Q\375\177\000\000
\000\370Q\375\177\000\000\000\035\064\371\364\245\242.\350\301\201\000\000\000\000\000\270\251\206\210\066\177\000"
nrprocs = 2
woneinit = 1
__func__ = "main_loop"
#6 0x0000000000435d22 in main (argc=8, argv=0x7ffd51f80648) at main.c:2876
cfg_stream = 0x19e5120
c = -1
r = 0
tmp = 0x7ffd51f81ee5 ""
tmp_len = 896
port = 896
proto = 896
ahost = 0x0
aport = 0
options = 0x7f3de8
":f:cm:M:dVIhEeb:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:x:X:Y:"
ret = -1
seed = 504719050
rfd = 4
debug_save = 0
debug_flag = 0
dont_fork_cnt = 2
n_lst = 0x0
p = 0xc2 <error: Cannot access memory at address 0xc2>
st = {st_dev = 26, st_ino = 1205, st_nlink = 2, st_mode = 16872, st_uid = 985,
st_gid = 983, __pad0 = 0, st_rdev = 0, st_size = 40, st_blksize = 4096, st_blocks = 0,
st_atim = {tv_sec = 1612794079, tv_nsec = 14695130}, st_mtim = {tv_sec = 1612794079,
tv_nsec = 14695130}, st_ctim = {tv_sec = 1612794079, tv_nsec = 14695130}, __glibc_reserved
= {0, 0, 0}}
tbuf =
"@\002\370Q\375\177\000\000\000\000\000\000\000\000\000\000@\002\370Q\375\177",
'\000' <repeats 18 times>,
"\260\067\361\210\066\177\000\000\350\357\363\210\066\177\000\000\b\005\364\210\066\177\000\000\340\071\361\210\066\177\000\000\025\257\362\210\066\177\000\000$V\273\210\066\177\000\000\354k\363\210\066\177\000\000\336k\363\210\066\177\000\000\205\317c\t\000\000\000\000\300C\360\210\066\177\000\000߯\362\210\066\177\000\000\000\000\000\000\254\202\226\006\334@\273\210\066\177\000\000\000\000\000\000\000\000\000\000\300C\360\210\066\177\000\000\001\000\000\000\000\000\000\000\005\215.\201\267e\325\000\240\001\364\210\066\177\000\000\370\377\377\377\377\377\377\377\240\001\364\210\066\177\000\000R"...
option_index = 11
long_options = {{name = 0x7f62a6 "help", has_arg = 0, flag = 0x0, val =
104}, {name = 0x7f1523 "version", has_arg = 0, flag = 0x0, val = 118}, {name =
0x7f62ab "alias", has_arg = 1, flag = 0x0, val = 1024}, {name = 0x7f62b1
"subst", has_arg = 1, flag = 0x0, val = 1025}, {name = 0x7f62b7
"substdef", has_arg = 1, flag = 0x0, val = 1026}, {name = 0x7f62c0
"substdefs", has_arg = 1, flag = 0x0, val = 1027}, {
name = 0x7f62ca "server-id", has_arg = 1, flag = 0x0, val = 1028},
{name = 0x7f62d4 "loadmodule", has_arg = 1, flag = 0x0, val = 1029}, {name =
0x7f62df "modparam", has_arg = 1, flag = 0x0, val = 1030}, {name = 0x7f62e8
"log-engine", has_arg = 1, flag = 0x0, val = 1031}, {name = 0x7f62f3
"debug", has_arg = 1, flag = 0x0, val = 1032}, {name = 0x7f62f9
"no-atexit", has_arg = 0, flag = 0x0, val = 1033}, {
name = 0x0, has_arg = 0, flag = 0x0, val = 0}}
__func__ = "main"
b = 0x7f367f64c26d <futex_release+29>
"\211E\374\203}\374\002\017\224\300\017\266\300H\205\300t6H\213E\350H\203\354\bj"
i = 1
rpl = 0x7ffd51f7fd40
tt = 0x7ffd51f7fd60
foo = 0x0
cbs = 0x0
cbs_tmp = 0x7f3680154a20
__func__ = "free_cell_helper"
181 /* It is safer to release the shm memory lock
182 * otherwise the release function must to be aware of
183 * the lock state (Miklos)
184 */
185 shm_global_unlock();
186 cbs_tmp->release(cbs_tmp->param);
187 shm_global_lock();
188 }
189 shm_free_unsafe(cbs_tmp);
190 }
```
For core dump of process `23694`:
```
#0 __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:96
No locals.
#1 0x00007f83502f94f8 in __vfprintf_internal (s=s@entry=0x143c6d0,
format=format@entry=0x7f8345c7ba08 "%s: %.*s%s%s%shandle %p returned error %d:
%s\n", ap=ap@entry=0x7ffc27d97d10, mode_flags=mode_flags@entry=0) at
vfprintf-internal.c:1647
len = <optimized out>
step0_jumps = {0, 1757, 1653, 3485, 3381, 4069, 2733, 2893, 3685, 1813, 4405,
4565, 3589, 4549, 4493, 2845, 4285, 3989, 3285, 3053, 1173, 1397, 2053, 1973, 1933, 757,
3781, 549, 553, 4181}
space = <optimized out>
is_short = <optimized out>
use_outdigits = 0
outc = <optimized out>
step1_jumps = {0, 0, 0, 0, 0, 0, 0, 0, 0, 1813, 4405, 4565, 3589, 4549, 4493,
2845, 4285, 3989, 3285, 3053, 1173, 1397, 2053, 1973, 1933, 757, 3781, 549, 553, 0}
group = 0
prec = -1
step2_jumps = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4405, 4565, 3589, 4549, 4493, 2845,
4285, 3989, 3285, 3053, 1173, 1397, 2053, 1973, 1933, 757, 3781, 549, 553, 0}
string = 0xb8 <error: Cannot access memory at address 0xb8>
left = 0
is_long_double = <optimized out>
width = 0
signed_number = <optimized out>
step3a_jumps = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4309, 0, 0, 0, 4493, 2845, 4285,
3989, 3285, 0, 0, 0, 0, 1973, 0, 0, 0, 0, 0, 0}
alt = <optimized out>
showsign = 0
is_long = 0
is_char = <optimized out>
pad = <optimized out>
step3b_jumps = {0 <repeats 11 times>, 3589, 0, 0, 4493, 2845, 4285, 3989,
3285, 3053, 1173, 1397, 2053, 1973, 1933, 757, 3781, 0, 0, 0}
step4_jumps = {0 <repeats 14 times>, 4493, 2845, 4285, 3989, 3285, 3053,
1173, 1397, 2053, 1973, 1933, 757, 3781, 0, 0, 0}
args_value = <optimized out>
is_negative = <optimized out>
number = {longlong = <optimized out>, word = <optimized out>}
base = <optimized out>
the_arg = {pa_wchar = 1698128436 L'\x65376234', pa_int = 1698128436,
pa_long_int = 4048843148828828212, pa_long_long_int = 4048843148828828212, pa_u_int =
1698128436, pa_u_long_int = 4048843148828828212, pa_u_long_long_int = 4048843148828828212,
pa_double = 4.8137781308181096e-38, pa_long_double = <invalid float value>,
pa_float128 = 4.25777496576548470393424945528503408e-3201,
pa_string = 0x3830616465376234 <error: Cannot access memory at address
0x3830616465376234>, pa_wstring = 0x3830616465376234 <error: Cannot access memory at
address 0x3830616465376234>, pa_pointer = 0x3830616465376234, pa_user =
0x3830616465376234}
spec = 115 's'
_buffer = {__routine = 0x7ffc27d977b0, __arg = 0x7f8345c75daf, __canceltype =
668563760, __prev = 0x7f835030a3ba <__vsnprintf_internal+170>}
_avail = <optimized out>
thousands_sep = 0x0
grouping = 0xffffffffffffffff <error: Cannot access memory at address
0xffffffffffffffff>
done = 106
f = 0x7f8345c7ba34 "s\n"
lead_str_end = 0x7f8345c7ba08 "%s: %.*s%s%s%shandle %p returned error %d:
%s\n"
end_of_spec = <optimized out>
work_buffer =
"`z\331'\374\177\000\000nz\331'\374\177\000\000sz\331'\374\177\000\000`z\331'\374\177\000\000sz\331'\374\177",
'\000' <repeats 46 times>,
"\200\000\000\000\000\027\021ю\203w\026", '\000' <repeats 24
times>, "\220PcO\203\177\000\000\377\377\377\377\377\377\377\377",
'\000' <repeats 16 times>,
"\035GGO\203\177\000\000\377\377\377\377\374\177\000\000v\037CO\203\177\000\000H\241(P\203\177\000\000
\020EP\203\177\000\000\000\000\000\000\000\000\000\000u"...
workend = 0x7ffc27d97bb8 ""
ap_save = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7ffc27d97df0,
reg_save_area = 0x7ffc27d97d30}}
nspecs_done = 7
save_errno = 11
readonly_format = 0
do_longlong_number = <optimized out>
__result = <optimized out>
#2 0x00007f8350386da3 in __vsyslog_internal (pri=<optimized out>,
fmt=0x7f8345c7ba08 "%s: %.*s%s%s%shandle %p returned error %d: %s\n",
ap=0x7ffc27d97d10, mode_flags=0) at ../misc/syslog.c:233
now_tm = {tm_sec = 28, tm_min = 59, tm_hour = 12, tm_mday = 8, tm_mon = 1, tm_year
= 121, tm_wday = 1, tm_yday = 38, tm_isdst = 0, tm_gmtoff = -21600, tm_zone = 0x143ead0
"CST"}
now = 1612810768
fd = <optimized out>
f = 0x143c6d0
buf = 0x0
bufsize = 0
msgoff = 20
saved_errno = <optimized out>
failbuf =
"\017\000\000\000\000\000\000\000\230\323PK\203\177\000\000\000\000\000\000\000\000\000\000D}\331",
<incomplete sequence \374>
clarg = {buf = <optimized out>, oldaction = <optimized out>}
#3 0x00007f835038725a in __syslog (pri=<optimized out>, fmt=<optimized out>)
at ../misc/syslog.c:117
ap = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 0x7ffc27d97e18,
reg_save_area = 0x7ffc27d97d30}}
#4 0x00007f8345c714bf in check_multi_info (g=0x7f834afb1358) at http_multi.c:583
__llevel = -1
eff_url = 0x7f834b1fd168 "https://messinet.com/api/kamailio/message"
msg = 0x7f834b50d400
msgs_left = 0
easy = 0x7f834b50d398
res = CURLE_WRITE_ERROR
cell = 0x0
__func__ = "check_multi_info"
#5 0x00007f8345c67d73 in event_cb (fd=15, kind=2, userp=0x7f834b7eda08) at
http_multi.c:145
g = 0x7f834afb1358
rc = CURLM_OK
easy = 0x7f834b7eda08
cell = 0x7f834b27ce90
__func__ = "event_cb"
action = 1
#6 0x00007f8345b65c4a in event_persist_closure (ev=<optimized out>, base=0x1612440)
at event.c:1580
evcb_callback = <optimized out>
evcb_fd = <optimized out>
evcb_res = 2
evcb_arg = 0x7f834b7eda08
evcb_callback = <optimized out>
evcb_fd = <optimized out>
evcb_res = <optimized out>
evcb_arg = <optimized out>
__func__ = {<optimized out> <repeats 22 times>}
run_at = {tv_sec = <optimized out>, tv_usec = <optimized out>}
relative_to = {tv_sec = <optimized out>, tv_usec = <optimized out>}
delay = {tv_sec = <optimized out>, tv_usec = <optimized out>}
now = {tv_sec = <optimized out>, tv_usec = <optimized out>}
usec_mask = <optimized out>
#7 event_process_active_single_queue (base=base@entry=0x1612440, activeq=0x16087e0,
max_to_process=max_to_process@entry=2147483647, endtime=endtime@entry=0x0) at
event.c:1639
ev = <optimized out>
evcb_selfcb = <optimized out>
evcb = <optimized out>
count = 1
__func__ = "event_process_active_single_queue"
#8 0x00007f8345b675d7 in event_process_active (base=0x1612440) at event.c:1738
activeq = <optimized out>
i = 0
c = 0
tv = {tv_sec = 16697, tv_usec = 733811}
maxcb = 2147483647
endtime = 0x0
limit_after_prio = 2147483647
activeq = <optimized out>
i = <optimized out>
c = <optimized out>
endtime = <optimized out>
tv = {tv_sec = <optimized out>, tv_usec = <optimized out>}
maxcb = <optimized out>
limit_after_prio = <optimized out>
done = <optimized out>
#9 event_base_loop (base=0x1612440, flags=0) at event.c:1961
n = <optimized out>
evsel = 0x7f8345b97c80 <epollops>
tv = {tv_sec = 0, tv_usec = 0}
tv_p = <optimized out>
res = <optimized out>
done = 0
retval = 0
__func__ = "event_base_loop"
#10 0x00007f8345c4550b in async_http_run_worker (worker=0x7f8347831378) at
async_http.c:92
No locals.
#11 0x00007f8345c5a278 in child_init (rank=0) at http_async_client_mod.c:368
pid = 0
i = 0
__func__ = "child_init"
#12 0x000000000062148b in init_mod_child (m=0x7f834fb539d8, rank=0) at
core/sr_module.c:780
__func__ = "init_mod_child"
#13 0x00000000006210fa in init_mod_child (m=0x7f834fb545b8, rank=0) at
core/sr_module.c:776
__func__ = "init_mod_child"
#14 0x00000000006210fa in init_mod_child (m=0x7f834fb54d58, rank=0) at
core/sr_module.c:776
__func__ = "init_mod_child"
#15 0x00000000006210fa in init_mod_child (m=0x7f834fb55128, rank=0) at
core/sr_module.c:776
__func__ = "init_mod_child"
#16 0x00000000006210fa in init_mod_child (m=0x7f834fb555e0, rank=0) at
core/sr_module.c:776
__func__ = "init_mod_child"
#17 0x00000000006210fa in init_mod_child (m=0x7f834fb55ae8, rank=0) at
core/sr_module.c:776
__func__ = "init_mod_child"
#18 0x0000000000621c4a in init_child (rank=0) at core/sr_module.c:825
ret = 1341536656
type = 0x83d00b "PROC_MAIN"
__func__ = "init_child"
#19 0x000000000042c8a2 in main_loop () at main.c:1779
i = 2
pid = 23675
si = 0x0
si_desc = "udp receiver child=1
sock=[2603:300a:134:50e0::3]:5060\000\000\300q8P\203\177\000\000\360ŴO\203\177\000\000Zr8P\203\177\000\000\060\000\000\000\060\000\000\000\270\210\331'\374\177\000\000Ї\331'\374\177\000\000\000\027\021ю\203w\026\350\301\201\000\000\000\000\000\270i\364O\203\177\000"
nrprocs = 2
woneinit = 1
__func__ = "main_loop"
#20 0x0000000000435d22 in main (argc=8, argv=0x7ffc27d98df8) at main.c:2876
cfg_stream = 0x1337120
c = -1
r = 0
tmp = 0x7ffc27d9aee4 ""
tmp_len = 896
port = 896
proto = 896
ahost = 0x0
aport = 0
options = 0x7f3de8
":f:cm:M:dVIhEeb:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:x:X:Y:"
ret = -1
seed = 3012900158
rfd = 4
debug_save = 0
debug_flag = 0
dont_fork_cnt = 2
n_lst = 0x0
p = 0xc2 <error: Cannot access memory at address 0xc2>
st = {st_dev = 26, st_ino = 1205, st_nlink = 2, st_mode = 16872, st_uid = 985,
st_gid = 983, __pad0 = 0, st_rdev = 0, st_size = 40, st_blksize = 4096, st_blocks = 0,
st_atim = {tv_sec = 1612794079, tv_nsec = 14695130}, st_mtim = {tv_sec = 1612810438,
tv_nsec = 182128841}, st_ctim = {tv_sec = 1612810438, tv_nsec = 182128841},
__glibc_reserved = {0, 0, 0}}
tbuf =
"\360\211\331'\374\177\000\000\000\000\000\000\000\000\000\000\360\211\331'\374\177",
'\000' <repeats 18 times>,
"\260\367^P\203\177\000\000\350\257aP\203\177\000\000\b\305aP\203\177\000\000\340\371^P\203\177\000\000\025o`P\203\177\000\000$\026)P\203\177\000\000\354+aP\203\177\000\000\336+aP\203\177\000\000\205\317c\t\000\000\000\000\300\003^P\203\177\000\000\337o`P\203\177\000\000\000\000\000\000\254\202\226\006\334\000)P\203\177\000\000\000\000\000\000\000\000\000\000\300\003^P\203\177\000\000\001\000\000\000\000\000\000\000\360`\207\272ޟ\325\000\240\301aP\203\177\000\000\370\377\377\377\377\377\377\377\240\301aP\203\177\000\000R"...
option_index = 11
long_options = {{name = 0x7f62a6 "help", has_arg = 0, flag = 0x0, val =
104}, {name = 0x7f1523 "version", has_arg = 0, flag = 0x0, val = 118}, {name =
0x7f62ab "alias", has_arg = 1, flag = 0x0, val = 1024}, {name = 0x7f62b1
"subst", has_arg = 1, flag = 0x0, val = 1025}, {name = 0x7f62b7
"substdef", has_arg = 1, flag = 0x0, val = 1026}, {name = 0x7f62c0
"substdefs", has_arg = 1, flag = 0x0, val = 1027}, {name = 0x7f62ca
"server-id", has_arg = 1, flag = 0x0, val = 1028}, {name = 0x7f62d4
"loadmodule", has_arg = 1, flag = 0x0, val = 1029}, {name = 0x7f62df
"modparam", has_arg = 1, flag = 0x0, val = 1030}, {name = 0x7f62e8
"log-engine", has_arg = 1, flag = 0x0, val = 1031}, {name = 0x7f62f3
"debug", has_arg = 1, flag = 0x0, val = 1032}, {name = 0x7f62f9
"no-atexit", has_arg = 0, flag = 0x0, val = 1033}, {name = 0x0, has_arg = 0,
flag = 0x0, val = 0}}
__func__ = "main"
No locals.
91
92 .p2align 4
93 L(cros_page_boundary):
94 andl $(VEC_SIZE - 1), %ecx
95 andq $-VEC_SIZE, %rdi
96 VPCMPEQ (%rdi), %ymm0, %ymm1
97 vpmovmskb %ymm1, %eax
98 /* Remove the leading bytes. */
99 sarl %cl, %eax
100 testl %eax, %eax
```
#### Log Messages
Log for process `2193`:
```
Feb 08 12:53:31 kamailio[2216]: [HTTP_REPLY] MESSAGE via HTTP_API succeeded: 202,
HTTP/2 202 ^M
date: Mon, 08 Feb 2021 18:53:31
GMT^M
server: Apache/2.4.46^M
strict-transport-security:
max-age=15552000; includeSubDomains^M
content-length: 46^M
vary: User-Agent^M
content-type: application/json;
charset=utf-8^M
^M
{"result":
{"code": 202, "title": "Accepted"}}
Feb 08 12:53:31 kamailio[2216]: [HTTP_REPLY] MESSAGE via HTTP_API succeeded: 202,
HTTP/2 202 ^M
date: Mon, 08 Feb 2021 18:53:31
GMT^M
server: Apache/2.4.46^M
strict-transport-security:
max-age=15552000; includeSubDomains^M
content-length: 46^M
vary: User-Agent^M
content-type: application/json;
charset=utf-8^M
^M
{"result":
{"code": 202, "title": "Accepted"}}
Feb 08 12:53:55 kamailio[2216]: [HTTP_REPLY] MESSAGE via HTTP_API succeeded: 202,
HTTP/2 202 ^M
date: Mon, 08 Feb 2021 18:53:55
GMT^M
server: Apache/2.4.46^M
strict-transport-security:
max-age=15552000; includeSubDomains^M
content-length: 46^M
vary: User-Agent^M
content-type: application/json;
charset=utf-8^M
^M
{"result":
{"code": 202, "title": "Accepted"}}
Feb 08 12:53:58 kamailio[1957]: ALERT: <core> [main.c:784]: handle_sigs(): child
process 2193 exited by a signal 11
Feb 08 12:53:58 kamailio[2227]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd():
EOF on 34
Feb 08 12:53:58 kamailio[1957]: ALERT: <core> [main.c:787]: handle_sigs(): core was
generated
Feb 08 12:53:58 kamailio[1957]: INFO: <core> [main.c:810]: handle_sigs():
terminating due to SIGCHLD
Feb 08 12:53:58 kamailio[2168]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[2165]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[2166]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[2170]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[2172]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[2180]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[2190]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[2174]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[2187]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[2177]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[2221]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[2227]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[2184]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[2195]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[2216]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[2224]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[2219]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[2206]: INFO: <core> [main.c:873]: sig_usr(): signal 15
received
Feb 08 12:53:58 kamailio[1957]: INFO: <core> [core/sctp_core.c:53]:
sctp_core_destroy(): SCTP API not initialized
Feb 08 12:53:58 systemd[1]: kamailio.service: Main process exited, code=exited,
status=1/FAILURE
Feb 08 12:53:58 systemd[1]: kamailio.service: Failed with result 'exit-code'.
Feb 08 12:53:58 systemd[1]: kamailio.service: Consumed 10.011s CPU time.
Feb 08 12:54:28 systemd[1]: kamailio.service: Scheduled restart job, restart counter is at
1.
Feb 08 12:54:28 systemd[1]: Stopped Kamailio SIP Server.
```
Log for process `23694`:
```
Feb 08 12:59:09 kamailio[23694]: [HTTP_REPLY] MESSAGE via HTTP_API succeeded: 202,
HTTP/2 202 ^M
date: Mon, 08 Feb 2021 18:59:09
GMT^M
server: Apache/2.4.46^M
strict-transport-security:
max-age=15552000; includeSubDomains^M
content-length: 46^M
vary: User-Agent^M
content-type: application/json;
charset=utf-8^M
^M
{"result":
{"code": 202, "title": "Accepted"}}
Feb 08 12:59:09 kamailio[23694]: [HTTP_REPLY] MESSAGE via HTTP_API succeeded: 202,
HTTP/2 202 ^M
date: Mon, 08 Feb 2021 18:59:09
GMT^M
server: Apache/2.4.46^M
strict-transport-security:
max-age=15552000; includeSubDomains^M
content-length: 46^M
vary: User-Agent^M
content-type: application/json;
charset=utf-8^M
^M
{"result":
{"code": 202, "title": "Accepted"}}
Feb 08 12:59:13 kamailio[23694]: [HTTP_REPLY] MESSAGE via HTTP_API succeeded: 202,
HTTP/2 202 ^M
date: Mon, 08 Feb 2021 18:59:13
GMT^M
server: Apache/2.4.46^M
strict-transport-security:
max-age=15552000; includeSubDomains^M
content-length: 46^M
vary: User-Agent^M
content-type: application/json;
charset=utf-8^M
^M
{"result":
{"code": 202, "title": "Accepted"}}
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:13 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
...
...
Feb 08 12:59:14 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:14 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:14 kamailio[23694]: INFO: http_async_client [http_multi.c:87]: event_cb():
Cell for handler 0x7f834b7eda08 not found in table
Feb 08 12:59:28 kamailio[23694]: ERROR: http_async_client [http_multi.c:253]: write_cb():
Cell for handler 0x7f834b50d398 not found in table
Feb 08 12:59:29 kamailio[23709]: CRITICAL: <core> [core/pass_fd.c:277]:
receive_fd(): EOF on 43
Feb 08 12:59:29 kamailio[23633]: ALERT: <core> [main.c:784]: handle_sigs(): child
process 23694 exited by a signal 11
Feb 08 12:59:29 kamailio[23633]: ALERT: <core> [main.c:787]: handle_sigs(): core was
generated
Feb 08 12:59:29 systemd[1]: kamailio.service: Main process exited, code=exited,
status=1/FAILURE
Feb 08 12:59:29 systemd[1]: kamailio.service: Failed with result 'exit-code'.
Feb 08 12:59:29 systemd[1]: kamailio.service: Consumed 11.523s CPU time.
Feb 08 12:59:59 systemd[1]: kamailio.service: Scheduled restart job, restart counter is at
2.
Feb 08 12:59:59 systemd[1]: Stopped Kamailio SIP Server.
```
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
```
version: kamailio 5.4.3-6.gitdbe358d2d0.fc33.1 (x86_64/linux) e19ae3
flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST,
DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY,
USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR,
USE_DST_BLACKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED
ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535,
DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: e19ae3
compiled on 00:00:00 Feb 5 2021 with gcc 10.2.1
```
* **Operating System**:
```
Fedora 33 Linux 5.10.13-200.fc33.x86_64 #1 SMP Thu Feb 4 14:54:51 UTC 2021 x86_64 x86_64
x86_64 GNU/Linux
```
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