Hello,

you may have to do a new module if libperconaclient20 is not 100% compatible (drop-in replacement) with libmysqlclient. I never used libperconaclient, so I cannot comment more.

Cheers, Daniel

On 06.07.21 15:46, Andrey Deykunov wrote:

Hi,

We have kamailio server v. 5.3.1 with db_mysql.so built with our old mysql library 5.1.41. Now I'm trying to build it with libperconaclient20. I've tried many variants of build configuration, but every time I got errors when kamailio stops or starts, such:

/2021-07-06T06:01:20.943809-07:00 devhpbx005-1 /var/lib/ums/sbin/kamailio[25711]: ERROR: db_mysql [km_my_con.c:139]: db_mysql_new_connection(): driver error: Lost connection to MySQL server at 'reading authorization packet', system error: 11 2021-07-06T06:01:20.946591-07:00 devhpbx005-1 /var/lib/ums/sbin/kamailio[25711]: ERROR: <core> [db.c:319]: db_do_init2(): could not add connection to the pool 2021-07-06T06:01:20.947224-07:00 devhpbx005-1 /var/lib/ums/sbin/kamailio[25711]: ERROR: auth_db [auth_db_mod.c:159]: child_init(): unable to connect to the database 2021-07-06T06:01:20.947592-07:00 devhpbx005-1 /var/lib/ums/sbin/kamailio[25711]: ERROR: <core> [core/sr_module.c:806]: init_mod_child(): error while initializing module auth_db (/var/lib/ums/lib64/kamailio/modules/auth_db.so) (idx: 5 rank: 5 desc: [udp receiver child=4 sock=64.78.52.86:5060 http://64.78.52.86:5060])/ / / or  / / /2021-07-06T06:18:43.159744-07:00 devhpbx005-1 /var/lib/ums/sbin/kamailio[30954]: CRITICAL: <core> [core/mem/q_malloc.c:150]: qm_debug_check_frag(): BUG: qm: prev. fragm. tail overwritten(0, 0)[0x7fd5c6c85bc8:0x7fd5c6c85c00]! Memory allocator was called from core: db_res.c:114. Fragment marked by db_mysql: km_my_con.c:75. Exec from core/mem/q_malloc.c:391. /

Is there some specific way to build kamailio with percona?

Thanks, Andrey

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