[netfilter-devel list CC'd]
Hello,
On Wed, Oct 04, 2006 at 08:02:01PM +0200, [email protected] wrote:
> hi,
>
> i have there MontaVista based router, with 2.4.17_mvl21-malta-mips_fp_le
> kernel. I think, there is memory leak in ip_conntrack code. There are
> eta 500 conntrack connection all the time. But after some day i get
> "ip_conntrack: table full" in kmsg.
> /proc/sys/net/ipv4/netfilter/ip_conntrack_max have 3072 value.
> grep ip_conntrack /proc/slabinfo
> ip_conntrack 3006 3250 384 319 325 1
> ^^ there are 3006 allocated conntracks
> cat /proc/net/ip_conntrack | wc -l
> 30
> ^^ in table are only 30 lines.
>
> Acording to this:
> http://lists.netfilter.org/pipermail/netfilter-devel/2004-May/015628.html
> i don't think, this is fixed in 2.4 tree, but i can't test it with newer
> version.
Well, I know several old 2.4 netfilter systems running around and which
process between 100 and 200 millions of sessions a day with peak hours
around 4000 sessions/s. They might have been rebooted twice in 3 years,
and they still work without a glitch. So I clearly don't think that the
problem mentionned above is present in plain 2.4. It might be a very
old bug in you rather old kernel, or one specific to some patches in
your distro's kernel (BTW, I would be surprized you wouldn't find
anything more recent than 2.4.17).
Best regards,
Willy
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