[OpenSIPS-Users] db_mysql segfault

Vlad Paiu vladpaiu at opensips.org
Tue Mar 29 11:39:32 CEST 2011


Hello Mark,

If you still have the core dump, could you please do
     gdb /path_to_opensips_binary path_to_core_file

/and reply with the output of
     bt full

Thanks.


Regards,

-- 
Vlad Paiu
OpenSIPS Developer



On 03/29/2011 02:44 AM, Mark Carbonaro wrote:
> Hi,
>
> I have an issue when when starting opensips where it immediately 
> segfaults in db_mysql.so.  This happens with in Centos 5.5 (plus all 
> patches) when running VirtualBox and on a Rackspace cloud server, but 
> works fine on an Amazon EC2 server setup in the same way (same config 
> file, patches, package versions etc), which I find a little odd.
>
> I was originally running off the opensips-1.6.4-2-tls_src.tar.gz tar 
> ball, but due to this issue I thought I would change to the latest 
> revision of the 1.6 branch in subversion, but the problem remained.
>
> I build using the following command "make include_modules="db_mysql" 
> all".
>
> This config is setup just as a load balancer and does work on one 
> server, just segfaults on others.
>
> Please let me know if you need any more information.
>
> Any help would be greatly appreciated
>
> Regards,
> Mark
>
> Here is the output from syslog when opensips starts with debug=3:
> Mar 28 23:33:18 server opensips: INFO:core:init_tcp: using epoll_lt as 
> the TCP io watch method (auto detected)
> Mar 28 23:33:18 server /usr/local/sbin/opensips[27923]: 
> NOTICE:core:main: version: opensips 1.6.4-2-notls (x86_64/linux)
> Mar 28 23:33:18 server /usr/local/sbin/opensips[27923]: 
> INFO:core:main: using 32 Mb shared memory
> Mar 28 23:33:18 server /usr/local/sbin/opensips[27923]: 
> INFO:core:main: using 1 Mb private memory per process
> Mar 28 23:33:18 server /usr/local/sbin/opensips[27923]: 
> NOTICE:signaling:mod_init: initializing module ...
> Mar 28 23:33:18 server /usr/local/sbin/opensips[27923]: 
> INFO:sl:mod_init: Initializing StateLess engine
> Mar 28 23:33:18 server /usr/local/sbin/opensips[27923]: 
> INFO:tm:mod_init: TM - initializing...
> Mar 28 23:33:18 server /usr/local/sbin/opensips[27923]: 
> INFO:rr:mod_init: rr - initializing
> Mar 28 23:33:18 server /usr/local/sbin/opensips[27923]: 
> INFO:maxfwd:mod_init: initializing...
> Mar 28 23:33:18 server /usr/local/sbin/opensips[27923]: 
> INFO:usrloc:ul_init_locks: locks array size 512
> Mar 28 23:33:18 server /usr/local/sbin/opensips[27923]: 
> INFO:registrar:mod_init: initializing...
> Mar 28 23:33:18 server /usr/local/sbin/opensips[27923]: 
> INFO:textops:mod_init: initializing...
> Mar 28 23:33:18 server /usr/local/sbin/opensips[27923]: 
> INFO:acc:mod_init: initializing...
> Mar 28 23:33:18 server /usr/local/sbin/opensips[27923]: 
> INFO:dialog:mod_init: Dialog module - initializing
> Mar 28 23:33:18 server kernel: [38083.726989] opensips[27923]: 
> segfault at 0 ip 00007f0c1167ee57 sp 00007fffd03f7050 error 4 in 
> db_mysql.so[7f0c11676000+e000]
>
> And just in case it helps with debug=6 (just the last part):
> Mar 28 23:35:39 [27944] DBG:db_mysql:db_mysql_connect: opening 
> connection: mysql://xxxx:xxxx@localhost/opensips
> Mar 28 23:35:39 [27944] DBG:db_mysql:db_mysql_connect: connection type 
> is Localhost via UNIX socket
> Mar 28 23:35:39 [27944] DBG:db_mysql:db_mysql_connect: protocol 
> version is 10
> Mar 28 23:35:39 [27944] DBG:db_mysql:db_mysql_connect: server version 
> is 5.1.56
> Mar 28 23:35:39 [27944] DBG:core:db_do_init: connection 0x796340 
> inserted in pool as 0x796430
> Mar 28 23:35:39 [27944] DBG:core:db_new_result: allocate 48 bytes for 
> result set at 0x796490
> Mar 28 23:35:39 [27944] DBG:db_mysql:db_mysql_get_columns: 1 columns 
> returned from the query
> Mar 28 23:35:39 [27944] DBG:core:db_allocate_columns: allocate 28 
> bytes for result columns at 0x7964d8
> Mar 28 23:35:39 [27944] DBG:db_mysql:db_mysql_get_columns: 
> RES_NAMES(0x7964e0)[0]=[table_version]
> Mar 28 23:35:39 [27944] DBG:db_mysql:db_mysql_get_columns: use DB_INT 
> result type
> Mar 28 23:35:39 [27944] DBG:core:db_allocate_rows: allocate 48 bytes 
> for result rows and values at 0x796510
> Mar 28 23:35:39 [27944] DBG:db_mysql:db_mysql_str2val: converting INT [4]
> Mar 28 23:35:39 [27944] DBG:core:db_free_columns: freeing result 
> columns at 0x7964d8
> Mar 28 23:35:39 [27944] DBG:core:db_free_rows: freeing 1 rows
> Mar 28 23:35:39 [27944] DBG:core:db_free_row: freeing row values at 
> 0x796520
> Mar 28 23:35:39 [27944] DBG:core:db_free_rows: freeing rows at 0x796510
> Mar 28 23:35:39 [27944] DBG:core:db_free_result: freeing result set at 
> 0x796490
> Mar 28 23:35:39 [27944] DBG:core:db_new_result: allocate 48 bytes for 
> result set at 0x796490
> Mar 28 23:35:39 [27944] DBG:db_mysql:db_mysql_get_columns: 21 columns 
> returned from the query
> Mar 28 23:35:39 [27944] DBG:core:db_allocate_columns: allocate 588 
> bytes for result columns at 0x79e448
> Mar 28 23:35:39 [27944] DBG:db_mysql:db_mysql_get_columns: 
> RES_NAMES(0x79e4f0)[0]=[hash_entry]
> Mar 28 23:35:39 [27944] DBG:db_mysql:db_mysql_get_columns: use DB_INT 
> result type
> Segmentation fault (core dumped)
>
>
> Finally here is my config down to the route section, this is the same 
> config that works on the EC2 server.
> debug=3
> log_stderror=no
> log_facility=LOG_LOCAL0
> fork=yes
> children=4
> port=5060
> mpath="/usr/local/lib64/opensips/modules/"
> loadmodule "db_mysql.so"
> loadmodule "signaling.so"
> loadmodule "sl.so"
> loadmodule "tm.so"
> loadmodule "rr.so"
> loadmodule "maxfwd.so"
> loadmodule "usrloc.so"
> loadmodule "registrar.so"
> loadmodule "textops.so"
> loadmodule "mi_fifo.so"
> loadmodule "uri.so"
> loadmodule "acc.so"
> loadmodule "dialog.so"
> loadmodule "load_balancer.so"
> loadmodule "avpops.so"
> modparam("mi_fifo", "fifo_name", "/tmp/opensips_fifo")
> modparam("rr", "enable_full_lr", 1)
> modparam("rr", "append_fromtag", 0)
> modparam("usrloc", "db_mode",   0)
> modparam("uri", "use_uri_table", 0)
> modparam("acc", "early_media", 1)
> modparam("acc", "report_ack", 1)
> modparam("acc", "report_cancels", 1)
> modparam("acc", "detect_direction", 0)
> modparam("acc", "failed_transaction_flag", 3)
> modparam("acc", "log_flag", 1)
> modparam("acc", "log_missed_flag", 2)
> modparam("acc", "db_flag", 1)
> modparam("acc", "db_missed_flag", 2)
> modparam("dialog", "dlg_flag", 13)
> modparam("dialog", "db_mode", 1)
> modparam("dialog", "db_url", "mysql://opensips:xxx@localhost/opensips")
> modparam("load_balancer", 
> "db_url","mysql://opensips:xxx@127.0.0.1/opensips")
> modparam("avpops","db_url","mysql://opensips:xxx@127.0.0.1/opensips")
>
>
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