Re: Kannel Memory Leak

Hi Andreas.


What about "Enable memory checking"? You say on compiler time with "
--with-malloc="?

When stop the kannel, it appears the "list of all unused memory
allocations"?

Thanks in advance.


Allison Almeida.

2008/2/22, Andreas Fink <[email protected]>:
>
> Enable memory checking and let it run for a while. then quit
> bearerbox. At quit it will list all unused memory allocations.
> Top is not really relevant as it might use the memory for a good
> reason (like incoming SMS are not forwarded because there's not SMSBOx
> connected or the like).
>
> There is no real difference between the different modem types except
> the AT commands sent to them. So the Code is exactly the same. The
> strings are not but thats in the config file.
>
>
> On 22.02.2008, at 15:37, [email protected] wrote:
>
> > Hi,
> > I need some help with a memory leak running kannel. I'm using Debian
> > (Etch)
> > on a Intel Core2Duo processor. I've tried the Debian-package and the
> > latest
> > cvs-version on an x86_64 an i386 arch.
> >
> > The problem is that the bearerbox runs into a memory leak when
> > connected to
> > a Wavecom Dualband modem (WMOD2B-G900/1800). If I run the same
> > system with
> > a Single Band Modem (WMO2-G900) everything is fine.
> >
> > I've tested with several modems to exclude a modemfailure. Every
> > test the
> > same result Single Band works, Dual Band doesn't. There are no
> > warnings,
> > errors or panics in the kannel-core.log. bearerbox is connecting the
> > modem
> > and sending messages correctly. Only thing is that after aprox 5
> > mins the
> > mainmemory and swap are full and the system isn't working anymore.
> >
> > Has anyone any idea or solution for this problem.
> >
> >
> > kannelversion:
> >
> >   Kannel bearerbox version `cvs-20080221'. Build `Feb 22 2008
> > 13:52:03',
> >   compiler `4.1.2 20061115 (prerelease) (Debian 4.1.1-21)'. System
> >   Linux, release 2.6.18, version #1 SMP Wed Feb 6 15:48:23 CET 2008,
> >   machine x86_64. Hostname xxx.xxx.xx, IP 192.168.10.94. Libxml
> >   version 2.6.27. Using native malloc.
> >
> >
> > top after 1 minute:
> >
> > top - 15:06:48 up 2 min,  6 users,  load average: 0.27, 0.24, 0.10
> > Tasks:  76 total,   2 running,  74 sleeping,   0 stopped,   0 zombie
> > Cpu0  : 55.5%us,  1.0%sy,  0.0%ni, 43.5%id,  0.0%wa,  0.0%hi,
> > 0.0%si,  0.0%st
> > Cpu1  : 43.0%us,  0.7%sy,  0.0%ni, 56.3%id,  0.0%wa,  0.0%hi,
> > 0.0%si,  0.0%st
> > Mem:    512096k total,   198268k used,   313828k free,     6308k
> > buffers
> > Swap:  1502036k total,        0k used,  1502036k free,    27296k
> > cached
> >
> >  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
> > 2657 kannel    18   0  221m 127m 1260 S  100 25.6   0:09.17 bearerbox
> >    1 root      18   0  6120  688  564 S    0  0.1   0:01.31 init
> >
> > top after 2 minutes:
> >
> > top - 15:07:13 up 2 min,  6 users,  load average: 0.52, 0.30, 0.12
> > Tasks:  75 total,   1 running,  74 sleeping,   0 stopped,   0 zombie
> > Cpu0  : 69.8%us,  3.7%sy,  0.0%ni,  6.6%id, 19.9%wa,  0.0%hi,
> > 0.0%si,  0.0%st
> > Cpu1  : 11.6%us,  0.7%sy,  0.0%ni, 87.4%id,  0.3%wa,  0.0%hi,
> > 0.0%si,  0.0%st
> > Mem:    512096k total,   506032k used,     6064k free,      104k
> > buffers
> > Swap:  1502036k total,     8928k used,  1493108k free,     5796k
> > cached
> >
> >  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
> > 2657 kannel    18   0  556m 461m  636 S   86 92.3   0:33.66 bearerbox
> >    1 root      18   0  6120  252  228 S    0  0.0   0:01.31 init
> >
> > top after 3 minutes:
> >
> > top - 15:08:11 up 3 min,  7 users,  load average: 0.95, 0.47, 0.19
> > Tasks:  75 total,   2 running,  73 sleeping,   0 stopped,   0 zombie
> > Cpu0  :  0.0%us,  2.7%sy,  0.0%ni, 89.7%id,  7.3%wa,  0.0%hi,
> > 0.3%si,  0.0%st
> > Cpu1  : 98.7%us,  1.3%sy,  0.0%ni,  0.0%id,  0.0%wa,  0.0%hi,
> > 0.0%si,  0.0%st
> > Mem:    512096k total,   506416k used,     5680k free,      148k
> > buffers
> > Swap:  1502036k total,   825452k used,   676584k free,     2416k
> > cached
> >
> >  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
> > 2657 kannel    18   0 1354m 470m  368 S  100 94.0   1:31.88 bearerbox
> >  190 root      10  -5     0    0    0 S    3  0.0   0:01.30 kswapd0
> >
> >
> > thanks for helping,
> > Steven Koenig
>
>