[SR-Users] Memory Leaks with Kamailio using SEAS module
zhabchi
ziad.habchi at jinnysoftware.com
Mon Dec 2 17:14:34 CET 2013
the following is the error i got when the client connection to SEAS exited :
tm [t_reply.c:604]: _reply_light(): ERROR: _reply_light: cannot allocate
shmem buffer
i recompiled Kamailio with MEMDBG=1 and here what i got
<core> [mem/q_malloc.c:159]: qm_debug_frag(): BUG: qm_*: prev. fragm. tail
overwritten(c0c0c000, abcdefed)[0xf7336d18:0xf7336d30]!
I am running Kamailio with -m 2048 paramter
zhabchi wrote
> Dear Support,
>
>
>
> I am having an "out of memory" problem while using kamailio with SEAS
> module.
>
> After using Kamailio with the SEAS module for few hours with a high load ,
> I
> am getting "out of memory" error that I believe is caused from a memory
> leak.
>
> I would like your help interpreting this error.
>
>
>
> The output of kamailio -v is :
>
>
>
> version: kamailio 4.0.4 (i386/linux) cabe58
>
> flags: STATS: Off, USE_IPV6, USE_TCP, USE_TLS, TLS_HOOKS, USE_RAW_SOCKS,
> DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC,
> USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER,
> USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
>
> ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16,
> MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 4MB
>
> poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
>
> id: cabe58
>
> compiled on 14:23:27 Dec 2 2013 with gcc 4.1.2
>
>
>
> kamctl ps :
>
>
>
> Process:: ID=0 PID=31191 Type=attendant
>
> Process:: ID=1 PID=31192 Type=udp receiver child=0
> sock=193.100.200.18:5070
>
> Process:: ID=2 PID=31193 Type=udp receiver child=1
> sock=193.100.200.18:5070
>
> Process:: ID=3 PID=31194 Type=udp receiver child=2
> sock=193.100.200.18:5070
>
> Process:: ID=4 PID=31195 Type=udp receiver child=3
> sock=193.100.200.18:5070
>
> Process:: ID=5 PID=31196 Type=slow timer
>
> Process:: ID=6 PID=31197 Type=timer
>
> Process:: ID=7 PID=31198 Type=ctl handler
>
> Process:: ID=8 PID=31199 Type=MI FIFO
>
> Process:: ID=9 PID=31200 Type=SEAS
>
> Process:: ID=10 PID=31201 Type=tcp receiver (generic) child=0
>
> Process:: ID=11 PID=31202 Type=tcp receiver (generic) child=1
>
> Process:: ID=12 PID=31203 Type=tcp receiver (generic) child=2
>
> Process:: ID=13 PID=31204 Type=tcp receiver (generic) child=3
>
> Process:: ID=14 PID=31205 Type=tcp main process
>
>
>
>
>
> kamcmd pkg.stats:
>
> {
>
> entry: 0
>
> pid: 31191
>
> rank: 0
>
> used: 72480
>
> free: 4091840
>
> real_used: 102448
>
> }
>
> {
>
> entry: 1
>
> pid: 31192
>
> rank: 1
>
> used: 80624
>
> free: 4083696
>
> real_used: 110592
>
> }
>
> {
>
> entry: 2
>
> pid: 31193
>
> rank: 2
>
> used: 80624
>
> free: 4083696
>
> real_used: 110592
>
> }
>
> {
>
> entry: 3
>
> pid: 31194
>
> rank: 3
>
> used: 80624
>
> free: 4083696
>
> real_used: 110592
>
> }
>
> {
>
> entry: 4
>
> pid: 31195
>
> rank: 4
>
> used: 80624
>
> free: 4083696
>
> real_used: 110592
>
> }
>
> {
>
> entry: 5
>
> pid: 31196
>
> rank: -1
>
> used: 2276560
>
> free: 4083744
>
> real_used: 17770256
>
> }
>
> {
>
> entry: 6
>
> pid: 31197
>
> rank: -1
>
> used: 1787296
>
> free: 4083744
>
> real_used: 17280992
>
> }
>
> {
>
> entry: 7
>
> pid: 31198
>
> rank: -2
>
> used: 77760
>
> free: 4086544
>
> real_used: 107744
>
> }
>
> {
>
> entry: 8
>
> pid: 0
>
> rank: 0
>
> used: 89920
>
> free: 4074352
>
> real_used: 119936
>
> }
>
> {
>
> entry: 9
>
> pid: 0
>
> rank: 0
>
> used: 0
>
> free: 0
>
> real_used: 0
>
> }
>
> {
>
> entry: 10
>
> pid: 31201
>
> rank: 5
>
> used: 140240
>
> free: 4023728
>
> real_used: 170560
>
> }
>
> {
>
> entry: 11
>
> pid: 31202
>
> rank: 6
>
> used: 140240
>
> free: 4023712
>
> real_used: 170576
>
> }
>
> {
>
> entry: 12
>
> pid: 31203
>
> rank: 7
>
> used: 140240
>
> free: 4023856
>
> real_used: 170432
>
> }
>
> {
>
> entry: 13
>
> pid: 31204
>
> rank: 8
>
> used: 140240
>
> free: 4023712
>
> real_used: 170576
>
> }
>
> {
>
> entry: 14
>
> pid: 31205
>
> rank: -4
>
> used: 3877344
>
> free: 4030176
>
> real_used: 19269056
>
> }
>
>
>
> As you can see above , the output of the SEAS module is not showing (pid
> 31200)
>
> Moreover , I can see that the real_used value in the kamcmd core.shmmem
> keep
> on increasing , and free decrease until I finally get an error "out of
> memory"
>
>
>
> When my SEAS client exit the output of kamcmd core.shmmem :
>
> {
>
> total: 33554432
>
> free: 16273440
>
> used: 1787296
>
> real_used: 17280992
>
> max_used: 33553520
>
> fragments: 8098
>
> }
>
>
>
> The traffic is a simple SIP MESSAGE from a seagull simulator, with a 200OK
> reply from my SEAS client.
>
>
>
> I appreciate your support,
>
> Thank you in advance,
>
> Ziad Habchi
>
>
>
>
>
>
>
>
>
>
> _______________________________________________
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> sr-users at .sip-router
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