23 Dec
2011
23 Dec
'11
12:31 p.m.
Hi Daniel,
I just follow the instruction in the link you sent
(http://www.asipto.com/pub/kamailio-devel-guide/#c04troubleshooting)
to use gdb to print PKG fragments. When I got the error in PUA:
Dec 23 11:10:53 /.../sbin/kamailio[23276]: ERROR: pua
[send_subscribe.c:158]: No memory left for size:439
Dec 23 11:10:53 /.../sbin/kamailio[23276]: ERROR: pua [pua.c:747]:
while building tm dlg_t structure
Dec 23 11:10:53 /.../sbin/kamailio[23276]: ERROR: pua [pua.c:652]:
while updating record
The I run the command
gdb /.../sbin/kamailio 23276
and write the following commands in the gdb:
set $i=0
set $a = mem_block->first_frag
while($i<10000)
if($i>2000)
if($a->u.is_free==0)
p *$a
end
end
set $a = ((struct qm_frag*)((char*)($a)+sizeof(struct
qm_frag)+((struct qm_frag*)$a)->size+sizeof(struct qm_frag_end)))
set $i = $i + 1
end
...
after a while I got a lot of prints on the screen like these:
func = 0x5d7b00 "do_parse_rr_body", line = 74, check = 4042322160}
$1348 = {size = 72, u = {nxt_free = 0x0, is_free = 0},
file = 0x5d76c9 "<core>: parser/parse_rr.c",
func = 0x5d7b00 "do_parse_rr_body", line = 74, check = 4042322160}
$1349 = {size = 72, u = {nxt_free = 0x0, is_free = 0},
file = 0x5d76c9 "<core>: parser/parse_rr.c",
func = 0x5d7b00 "do_parse_rr_body", line = 74, check = 4042322160}
$1350 = {size = 72, u = {nxt_free = 0x0, is_free = 0},
file = 0x5d76c9 "<core>: parser/parse_rr.c",
func = 0x5d7b00 "do_parse_rr_body", line = 74, check = 4042322160}
$1351 = {size = 104, u = {nxt_free = 0x0, is_free = 0},
file = 0x5d76c9 "<core>: parser/parse_rr.c",
func = 0x5d7b00 "do_parse_rr_body", line = 74, check = 4042322160}
$1352 = {size = 104, u = {nxt_free = 0x0, is_free = 0},
file = 0x5d76c9 "<core>: parser/parse_rr.c",
func = 0x5d7b00 "do_parse_rr_body", line = 74, check = 4042322160}
$1353 = {size = 72, u = {nxt_free = 0x0, is_free = 0},
file = 0x5d76c9 "<core>: parser/parse_rr.c",
func = 0x5d7b00 "do_parse_rr_body", line = 74, check = 4042322160}
$1354 = {size = 72, u = {nxt_free = 0x0, is_free = 0},
---Type <return> to continue, or q <return> to quit---
...
But I don't understand if these are normal or something goes wrong....
Can you help
Best Regards,
Laura
On Wed, Dec 21, 2011 at 12:18 PM, Daniel-Constantin Mierla
<miconda(a)gmail.com> wrote:
Hello,
pkg.stats was added in 3.2.0, iirc. For 3.1, you can walk the packets in
memory with gdb -- 3.1 has memory debug on, so you don't need to recompile
(unless you turned it off).
Just attach to the pid of a sip worker (gdb /path/to/kamailio _pid_value_)
and run the gdb script.
Cheers,
Daniel
On 12/21/11 11:58 AM, laura testi wrote:
Hi Daniel,
I try the sercmd for pkg memory but it return 500 error:
# sercmd
sercmd 0.2
Copyright 2006 iptelorg GmbH
This is free software with ABSOLUTELY NO WARRANTY.
For details type `warranty'.
sercmd> pkg.stats
error: 500 - command pkg.stats not found
sercmd>
Is it available only for 3.2.x and master branch? Because we are using
3.1.5. But take the PUA module from master branch for the fetch_row
parameter you have patched ;-)
core.shmmem is ok.
Thanks a lot
Laura
On Wed, Dec 21, 2011 at 10:58 AM, Daniel-Constantin Mierla
<miconda(a)gmail.com> wrote:
--
Daniel-Constantin Mierla -- http://www.asipto.com
http://linkedin.com/in/miconda -- http://twitter.com/miconda
Hello,
you can see the available pkg via sercmd, sending command pkg.stats
(match
the entry for the pid printing the error). If there is no free memory,
then
might be a leak.
You can attach with gdb to the pid printing these errors and walk to pkg,
you see the commands for gdb at:
http://www.asipto.com/pub/kamailio-devel-guide/#c04troubleshooting
See if you have lot of allocated chunks from same place in source code
(ignore those at the beginning, mainly related to cfg parsing) and send
the
details here.
Cheers,
Daniel
On 12/21/11 10:44 AM, laura testi wrote:
Hi,
we are using the PUA_XMPP and PUA modules from the master branch. When
the modules are started, everything are ok, the presence events from
XMPP are sent to kamailio SIP servers (PUBLISH/SUBSCRIBE) and cached
in the hash. But when there are several thousands records in the hash
tabel, the update_pua function called in the hashT_clean gives a lot
of "No memory left" error when the hashT_clean is waked up from the
time:
ERROR: pua [send_subscribe.c]: No memory left
ERROR: pua [pua.c]: while building tm dlg_t structure
The failed call is:
td = (dlg_t*)pkg_malloc(size);
if(td == NULL)
{
LM_ERR("No memory left\n");
return NULL;
}
in dlg_t* pua_build_dlg_t(ua_pres_t* presentity) function in
send_subscribe.c. The size is about 400 and something... It's
strange.....
Is it the memory leak in the PUA module?
I also try to increase the pkg_memory from 4MB default to 16MB, but it
doesn't help.
Any Idea?
Thanks in advanced
Laura
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--
Daniel-Constantin Mierla -- http://www.asipto.com
http://linkedin.com/in/miconda -- http://twitter.com/miconda
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