Hello,
I found some cases when variables were not freed, but I cannot test as I
am not using unixodbc.
Can you cherry pick the patch:
-
http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=edc78dfb148c22f0d256485193bbdb0185b76d2f
and see if not all goes ok? If not other issues, then I will backport.
Cheers,
Daniel
On 21/03/14 17:37, Alex Villacís Lasso wrote:
I have a CentOS 6 installation with the following packages installed
from the RPM build service from Kamailio:
kamailio-unixodbc-4.1.2-1.1.x86_64
kamailio-4.1.2-1.1.x86_64
kamailio-presence-4.1.2-1.1.x86_64
kamailio-utils-4.1.2-1.1.x86_64
I am also using db_unixodbc for all database accesses (with MySQL
backend). The problem is that after a few hours, a single Kamailio
process (never more than one) starts complaining that it has run out
of memory:
9(11479) ERROR: uac [uac_reg.c:638]: uac_reg_tm_callback(): got sip
response 408 while registering [admin_pbx.elastix.com]
9(11479) ERROR: db_unixodbc [dbase.c:335]:
db_unixodbc_fetch_result(): no memory left
9(11479) ERROR: <core> [db_query.c:502]: db_fetch_next(): unable to
fetch next rows
9(11479) ERROR: db_unixodbc [dbase.c:224]: db_unixodbc_free_result():
invalid parameter value
9(11479) ERROR: db_unixodbc [dbase.c:327]:
db_unixodbc_fetch_result(): no private memory left
9(11479) ERROR: <core> [db_query.c:434]: db_fetch_query_internal():
unable to fetch the db result
9(11479) ERROR: presence [publish.c:108]: msg_presentity_clean():
failed to query database for expired messages
9(11479) ERROR: db_unixodbc [dbase.c:327]:
db_unixodbc_fetch_result(): no private memory left
9(11479) ERROR: <core> [db_query.c:434]: db_fetch_query_internal():
unable to fetch the db result
9(11479) ERROR: presence [publish.c:108]: msg_presentity_clean():
failed to query database for expired messages
9(11479) ERROR: db_unixodbc [dbase.c:327]:
db_unixodbc_fetch_result(): no private memory left
9(11479) ERROR: <core> [db_query.c:434]: db_fetch_query_internal():
unable to fetch the db result
I have attached the stderr output when I kill the offending process.
From what I can see, the memory leak somehow involves database
allocations that fail to be freed, consuming more than 3 MB out of 4
MB allocated:
9(11479) NOTICE: <core> [main.c:857]: sig_usr(): Memory still-in-use
summary (pkg):
9(11479) NOTICE: qm_sums: summarizing all alloc'ed. fragments:
9(11479) NOTICE: qm_sums: count= 1 size= 10240 bytes from
mi_fifo: mi_writer.c: mi_writer_init(57)
9(11479) NOTICE: qm_sums: count= 378 size= 3029384 bytes from
db_unixodbc: dbase.c: db_unixodbc_fetch_result(333)
9(11479) NOTICE: qm_sums: count= 1 size= 4096 bytes from
db_unixodbc: dbase.c: db_unixodbc_fetch_result(325)
9(11479) NOTICE: qm_sums: count= 1 size= 16 bytes from
<core>: sr_module.c: init_modules(1002)
9(11479) NOTICE: qm_sums: count= 1 size= 56 bytes from
textops: textops.c: hname_fixup(1634)
9(11479) NOTICE: qm_sums: count= 1 size= 32 bytes from
rr: rr_cb.c: register_rrcb(63)
I have the setup to compile my own RPMS, and I intend to track down
the memory leak on my own. However, I would like your help in focusing
my search, on whether this is a known issue, or where in db_unixodbc
should I look.
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--
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio World Conference - April 2-4, 2014, Berlin, Germany
http://www.kamailioworld.com
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