[SR-Users] Core db_text module
Bruno Bresciani
bruno.bresciani at gmail.com
Fri Sep 23 13:57:35 CEST 2011
Sorry... but I didn't understand how I get the output of:
p _tbc
p *_tbc
Best Regards
2011/9/23 Daniel-Constantin Mierla <miconda at gmail.com>
> Hello,
>
> interesting ... give also the output of:
>
> p _tbc
> p *_tbc
>
> Cheers,
> Daniel
>
>
> On 9/23/11 1:27 PM, Bruno Bresciani wrote:
>
> Hello,
>
> Doesn't exist a exact often that the table subscriber is changed, it can be
> changed at any time and almost always the core is generated. I was thinking
> the same thing that you, the deletion of the table is done without a lock,
> but the function dbt_db_get_table that call dbt_db_del_table does this lock
> previously...
>
> Follows the output of 'bt full' from gdb:
>
> Program terminated with signal 11, Segmentation fault.
> #0 0x008b3603 in dbt_db_del_table (_dc=0xb60fde60, _s=0xbfc94380, sync=0)
> at dbt_lib.c:238
> 238 dbt_lib.c: Arquivo ou diretório não encontrado.
> in dbt_lib.c
> (gdb) bt full
> #0 0x008b3603 in dbt_db_del_table (_dc=0xb60fde60, _s=0xbfc94380, sync=0)
> at dbt_lib.c:238
> _tbc = (dbt_table_p) 0xb6175d20
> hash = 6
> #1 0x008b3f38 in dbt_db_get_table (_dc=0xb60fde60, _s=0xbfc94380) at
> dbt_lib.c:300
> _tbc = (dbt_table_p) 0xb6175d20
> hash = 6
> #2 0x008ae12b in dbt_query (_h=0x82e3c90, _k=0xbfc94378, _op=0x0,
> _v=0xbfc94348, _c=0x82e3e50, _n=1, _nc=2, _o=0x0, _r=0xbfc94390) at
> dbt_base.c:200
> _tbc = <value optimized out>
> _drp = <value optimized out>
> _dres = <value optimized out>
> lkey = <value optimized out>
> lres = (int *) 0x0
> _o_k = (db_key_t *) 0x0
> _o_op = 0x0
> _o_n = <value optimized out>
> _o_l = <value optimized out>
> _o_nc = <value optimized out>
> #3 0x001ae088 in digest_authenticate (msg=0x82df8f8, realm=<value
> optimized out>, tname=<value optimized out>, hftype=HDR_AUTHORIZATION_T) at
> authorize.c:98
> cred = <value optimized out>
> keys = {0x1b14c8, 0x1b14d0}
> vals = {{type = DB1_STR, nul = 0, free = 165777064, val = {int_val
> = 136948130, ll_val = 17316817314, double_val = 8.5556445301562903e-314,
> time_val = 136948130,
> string_val = 0x829a9a2 "3022\", realm=\"192.168.166.199\",
> nonce=\"TnuaJ057mPskvCOYDgyAURuuottiYy7cIAQKLUA=\",
> cnonce=\"4VwQFl/7Ei+IWecbrZ9rug\", algorithm=MD5, uri=\
> "sip:192.168.166.199\", response=\"45b23bc0e48592fb57b1ebc87f0e3dbc\""...,
> str_val = {
> s = 0x829a9a2 "3022\", realm=\"192.168.166.199\",
> nonce=\"TnuaJ057mPskvCOYDgyAURuuottiYy7cIAQKLUA=\",
> cnonce=\"4VwQFl/7Ei+IWecbrZ9rug\", algorithm=MD5, uri=\
> "sip:192.168.166.199\", response=\"45b23bc0e48592fb57b1ebc87f0e3dbc\""...,
> len = 4}, blob_val = {
> s = 0x829a9a2 "3022\", realm=\"192.168.166.199\",
> nonce=\"TnuaJ057mPskvCOYDgyAURuuottiYy7cIAQKLUA=\",
> cnonce=\"4VwQFl/7Ei+IWecbrZ9rug\", algorithm=MD5, uri=\
> "sip:192.168.166.199\", response=\"45b23bc0e48592fb57b1ebc87f0e3dbc\""...,
> len = 4}, bitmap_val = 136948130}}, {type = DB1_STR, nul = 0, free = 8200,
> val = {int_val = 137215560, ll_val = 64561725000, double_val =
> 3.1897730358749953e-313, time_val = 137215560, string_val = 0x82dbe48
> "192.168.166.199",
> str_val = {s = 0x82dbe48 "192.168.166.199", len = 15}, blob_val = {s
> = 0x82dbe48 "192.168.166.199", len = 15}, bitmap_val = 137215560}}}
> result = {s = 0x0, len = 0}
> n = <value optimized out>
> ha1 =
> "\000\000\000\000\220GÉ¿\000\000\000\000ï=\000\000ÒBÉ¿L\215á\t\000\000\000\000(Óà\tÔBÉ¿F\000\000\000yv¯\000L\215á\t",
> '\0' <repeats 12 times>,
> "ÿÿÿÿ\a\000\000\000a{¯\000^{¯\000\000\000\000\000\000\000\000\000ÿÿÿÿ+\000\000\000\000\000\000\000\001\000\000\0008DÉ¿\210\033-\bÈVÉ¿HDÉ¿&\205\017\bÈVÉ¿øø-\b8DÉ¿P\020-\b",
> '\0' <repeats 32 times>, "
> e¯\000TDÉ¿`ñ\000\000ÐÑ\000\000\\\222¯d\030\000\000\000\000\000\000\000»¬£\000;\216á\t
> 1±\000\000 \000\000ÔCÉ¿8\216á\t\bÔ\r¶"...
> h = (struct hdr_field *) 0x82e0398
> domain = {s = 0x82dbe48 "192.168.166.199", len = 15}
> table = {s = 0x82d8f60 "subscriber", len = 10}
> result = (db1_res_t *) 0x0
> ret = 0
>
>
> Best Regards
>
> 2011/9/23 Daniel-Constantin Mierla <miconda at gmail.com>
>
>> Hello,
>>
>> can you send the output of 'bt full' from gdb?
>>
>> How often the subscriber table is changed? I see in this case the deletion
>> of the table is done without a lock.
>>
>> Cheers,
>> Daniel
>>
>>
>> On 9/22/11 9:44 PM, Bruno Bresciani wrote:
>>
>> Hi All,
>>
>> Kamailio 3.1.2 generate a core in db_text module when subscriber table is
>> updated and after this action some SIP message require authentication
>> process...
>>
>> Someone Can Help me to understand why this core is happening? Below is
>> part of kamailio's trace and gdb core too.
>>
>>
>> Kamailio's trace:
>>
>> *Sep 22 16:35:54 sswpst00 /home2/local/kamailio/sbin/kamailio[2327]:
>> DEBUG: auth_db [authorize.c:239]: realm value [192.168.166.199]*
>> Sep 22 16:35:54 sswpst00 /home2/local/kamailio/sbin/kamailio[2327]: DEBUG:
>> auth [api.c:95]: auth: digest-algo: MD5 parsed value: 1
>> *Sep 22 16:35:54 sswpst00 /home2/local/kamailio/sbin/kamailio[2327]:
>> DEBUG: db_text [dbt_file.c:78]: [subscriber] was updated*
>> Sep 22 16:35:54 sswpst00 /home2/local/kamailio/sbin/kamailio[2324]: ALERT:
>> <core> [main.c:741]: child process 2327 exited by a signal 11
>> Sep 22 16:35:54 sswpst00 /home2/local/kamailio/sbin/kamailio[2324]: ALERT:
>> <core> [main.c:744]: core was generated
>> Sep 22 16:35:54 sswpst00 /home2/local/kamailio/sbin/kamailio[2324]: INFO:
>> <core> [main.c:756]: INFO: terminating due to SIGCHLD
>> Sep 22 16:35:54 sswpst00 /home2/local/kamailio/sbin/kamailio[2335]: INFO:
>> <core> [main.c:807]: INFO: signal 15 received c
>> Sep 22 16:35:54 sswpst00 /home2/local/kamailio/sbin/kamailio[2335]: DEBUG:
>> <core> [main.c:818]: Memory status (pkg):
>>
>> gdb core trace:
>>
>> Core was generated by `/home2/local/kamailio/sbin/kamailio -P
>> /var/run/kamailio.pid'.
>> Program terminated with signal 11, Segmentation fault.
>> *#0 0x00f21603 in dbt_db_del_table (_dc=0xb6071e60, _s=0xbf837040,
>> sync=0) at dbt_lib.c:238*
>> 238 dbt_lib.c: Arquivo ou diretório não encontrado.
>> in dbt_lib.c
>>
>>
>> Best Regards
>>
>>
>> _______________________________________________
>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>
>>
>> --
>> Daniel-Constantin Mierla -- http://www.asipto.com
>> Kamailio Advanced Training, Oct 10-13, Berlin: http://asipto.com/u/kathttp://linkedin.com/in/miconda -- http://twitter.com/miconda
>>
>>
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
>
> --
> Daniel-Constantin Mierla -- http://www.asipto.com
> Kamailio Advanced Training, Oct 10-13, Berlin: http://asipto.com/u/kathttp://linkedin.com/in/miconda -- http://twitter.com/miconda
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.sip-router.org/pipermail/sr-users/attachments/20110923/aa976e15/attachment-0001.htm>
More information about the sr-users
mailing list