Re: Kamailio 6.0 failed to start on Alpine

Could you create minimal Kamailio config file where core file generate and
create issues description.
I will try reproduce this.

On Fri, Dec 19, 2025, 7:45 PM Cindy Leung <[email protected]> wrote:

> I also can’t start Kamailio-ci with TLS enabled.
> [image: kamailio-ci.png]
>
> kamailio/kamailio-ci <https://github.com/kamailio/kamailio-ci>
> github.com <https://github.com/kamailio/kamailio-ci>
> <https://github.com/kamailio/kamailio-ci>
>
>
> On Dec 19, 2025, at 12:30 PM, Cindy Leung <[email protected]> wrote:
>
> 
> No issue with centos.
>
> On Dec 19, 2025, at 3:48 AM, Sergey Safarov <[email protected]> wrote:
>
> 
> Could you start your Kamailio inside quay.io/centos/centos:stream10
> docker image.
> Is the issue still here?
>
> On Fri, Dec 19, 2025 at 10:24 AM Cindy Leung via sr-users <
> [email protected]> wrote:
>
>> Hello,
>>
>> We have recently upgraded our Alpine base image (3.23) along with
>> Kamailio (6.0.4) and we are getting segfault at startup.  Our custom config
>> was working in Alpine 3.22 with Kamailio 5.8.4.
>>
>> We are not building Kamailio from source.  We're getting it from apk.
>>
>> We were able to locate the problem with TLS.  We tested with the
>> default config that shipped with the package - segfault.
>>
>> Our self-signed cert is generated by this:
>> openssl req -newkey rsa:2048 -x509 -keyout private.key -out cert.pem
>> -days 3650 -nodes -subj "/C=US/ST=/L=/O=/OU=/CN="
>>
>> We tried to build it from source - segfault
>>
>> Then we tried the same exercise with Ubuntu - apt install kamailio
>> kamailio-tls-modules
>> Using the same certificate, using the default config in the package, no
>> segfault.
>>
>> I wish you all Happy Holidays!!  TIA.  Here're the logs from the alpine
>> startup:
>>
>> Listening on
>>              udp: 127.0.0.1:5060
>>              udp: 172.17.0.2:5060
>>              tcp: 127.0.0.1:5060
>>              tcp: 172.17.0.2:5060
>>              tls: 127.0.0.1:5061
>>              tls: 172.17.0.2:5061
>> Aliases:
>>              tls: ef79bc4947ca:5061
>>              tls: localhost:5061
>>              tcp: ef79bc4947ca:5060
>>              tcp: localhost:5060
>>              udp: ef79bc4947ca:5060
>>              udp: localhost:5060
>>
>>  0(45) INFO: <core> [core/tcp_main.c:5252]: init_tcp(): using epoll_lt as
>> the io watch method (auto detected)
>>  0(45) INFO: <core> [main.c:3322]: main(): current open file limits
>> [soft/hard]: [1048576/1048576]
>> Segmentation fault         (core dumped) /usr/sbin/kamailio -E -f
>> /etc/kamailio/kamailio.cfg -DD
>>
>>
>>
>> (gdb) bt full
>> #0  0x0000ffffbe397df4 in __pthread_getspecific (k=k@entry=0) at
>> src/thread/pthread_getspecific.c:8
>>         self = <optimized out>
>> #1  0x0000ffffbe2c2300 in mod_init () at tls_mod.c:406
>>         method = <optimized out>
>>         verify_client = <optimized out>
>>         rand_buf =
>> "\210\000\001\000\001\000\000\000\200\004\360\330\377\377\000\000\024\3518\276\377\377\000\000\275@
>> =\276\377\377\000"
>>         k = 0
>>         __func__ = "mod_init"
>>         __llevel = <optimized out>
>>         __kld = <optimized out>
>> #2  0x0000aaaad4e659b8 in init_mod (m=0xffffbdb86660) at
>> core/sr_module.c:1037
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #3  0x0000aaaad4e658c4 in init_mod (m=0xffffbdb89bb0) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #4  0x0000aaaad4e658c4 in init_mod (m=0xffffbdb8a110) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #5  0x0000aaaad4e658c4 in init_mod (m=0xffffbdb8aac0) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #6  0x0000aaaad4e658c4 in init_mod (m=0xffffbdb8b840) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #7  0x0000aaaad4e658c4 in init_mod (m=0xffffbdb8dad0) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #8  0x0000aaaad4e658c4 in init_mod (m=0xffffbdb8eab0) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #9  0x0000aaaad4e658c4 in init_mod (m=0xffffbdb8f2c0) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #10 0x0000aaaad4e658c4 in init_mod (m=0xffffbdb90220) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #11 0x0000aaaad4e658c4 in init_mod (m=0xffffbdb9a740) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #12 0x0000aaaad4e658c4 in init_mod (m=0xffffbdb9ac60) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #13 0x0000aaaad4e658c4 in init_mod (m=0xffffbdb9b0b0) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #14 0x0000aaaad4e658c4 in init_mod (m=0xffffbdb9bad0) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #15 0x0000aaaad4e658c4 in init_mod (m=0xffffbdb9ceb0) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #16 0x0000aaaad4e658c4 in init_mod (m=0xffffbdb9dc70) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #17 0x0000aaaad4e658c4 in init_mod (m=0xffffbdb9eba0) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #18 0x0000aaaad4e658c4 in init_mod (m=0xffffbdb9f410) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #19 0x0000aaaad4e658c4 in init_mod (m=0xffffbdb9f8c0) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #20 0x0000aaaad4e658c4 in init_mod (m=0xffffbdb9ff70) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #21 0x0000aaaad4e658c4 in init_mod (m=0xffffbdba1b60) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #22 0x0000aaaad4e658c4 in init_mod (m=0xffffbdba2060) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #23 0x0000aaaad4e658c4 in init_mod (m=0xffffbdba3040) at
>> core/sr_module.c:1032
>>         ret = <optimized out>
>>         __func__ = "init_mod"
>> #24 0x0000aaaad4e6a34c in init_modules () at core/sr_module.c:1068
>>         t = <optimized out>
>>         i = <optimized out>
>>         __func__ = "init_modules"
>> #25 0x0000aaaad4c349b4 in main (argc=<optimized out>, argv=<optimized
>> out>) at main.c:3353
>>         cfg_stream = <optimized out>
>>         c = <optimized out>
>>         r = <optimized out>
>>         tmp = 0xffffbe3f7ba0 <ldso> ""
>>         tmp_len = 0
>>         port = 5060
>>         proto = 0
>>         aproto = 0
>>         ahost = 0x0
>>         socket_name = 0x0
>>         aport = 0
>>         listen_field_count = <optimized out>
>>         listen_fields = {0x18 <error: Cannot access memory at address
>> 0x18>, 0x99ba <error: Cannot access memory at address 0x99ba>,
>>           0x18 <error: Cannot access memory at address 0x18>}
>>         options = 0xaaaad4f178ee
>> ":f:cm:M:dVIhEeb:B:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:x:X:Y:"
>>         ret = -1
>>         seed = 1938757098
>>         rfd = <optimized out>
>>         debug_save = <optimized out>
>>         debug_flag = <optimized out>
>>         dont_fork_cnt = <optimized out>
>>         n_lst = <optimized out>
>>         p = <optimized out>
>>         tbuf = 0xffffd8f01ab0 "!"
>>         tbuf_tmp = <optimized out>
>>         st = {st_dev = 63, st_ino = 48481, st_mode = 16877, st_nlink = 1,
>> st_uid = 100, st_gid = 0, st_rdev = 0, __pad = 0, st_size = 4096,
>>           st_blksize = 4096, __pad2 = 0, st_blocks = 8, st_atim = {tv_sec
>> = 1766082557, tv_nsec = 947394010}, st_mtim = {tv_sec = 1766093215,
>>             tv_nsec = 591712013}, st_ctim = {tv_sec = 1766093215,
>> tv_nsec = 591712013}, __unused = {0, 0}}
>>         l1 = <optimized out>
>>         lim = {rlim_cur = 1048576, rlim_max = 1048576}
>>         option_index = 0
>>         long_options = {{name = 0xaaaad4f18d0a "help", has_arg = 0, flag
>> = 0x0, val = 104}, {name = 0xaaaad4f2682c "version", has_arg = 0, flag =
>> 0x0,
>>             val = 118}, {name = 0xaaaad4f3197d "alias", has_arg = 1, flag
>> = 0x0, val = 1024}, {name = 0xaaaad4f18d0f "subst", has_arg = 1, flag =
>> 0x0,
>>             val = 1025}, {name = 0xaaaad4f18d15 "substdef", has_arg = 1,
>> flag = 0x0, val = 1026}, {name = 0xaaaad4f18d1e "substdefs", has_arg = 1,
>>             flag = 0x0, val = 1027}, {name = 0xaaaad4f18d28 "server-id",
>> has_arg = 1, flag = 0x0, val = 1028}, {name = 0xaaaad4f18d32 "loadmodule",
>>             has_arg = 1, flag = 0x0, val = 1029}, {name = 0xaaaad4f18d3d
>> "modparam", has_arg = 1, flag = 0x0, val = 1030}, {
>>             name = 0xaaaad4f18d46 "log-engine", has_arg = 1, flag = 0x0,
>> val = 1031}, {name = 0xaaaad4f26949 "debug", has_arg = 1, flag = 0x0,
>>             val = 1032}, {name = 0xaaaad4f18d51 "cfg-print", has_arg = 0,
>> flag = 0x0, val = 1033}, {name = 0xaaaad4f18d5b "atexit", has_arg = 1,
>>             flag = 0x0, val = 1034}, {name = 0xaaaad4f18d62 "all-errors",
>> has_arg = 0, flag = 0x0, val = 1035}, {name = 0x0, has_arg = 0, flag = 0x0,
>>             val = 0}}
>>         __func__ = "main"
>>
>>
>> Cindy
>> __________________________________________________________
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