[Openswan Users] pluto failure

[Marco Berizzi]

Hello.
I'm running OpenSWAN 2.3.1 on Slackware 10.1
I have manually patched (make kpatch) linux
vanilla 2.4.30
Gcc is 3.3.5, glibc 2.3.4
Today, after about 10 uptime days pluto has
been crashed.
Here is syslog:

Apr 20 17:39:31 Pleiadi kernel: klips_error:ipsec_xmit_send: ip_send()
failed, err=1
Apr 26 16:24:32 Pleiadi ipsec__plutorun: /usr/local/lib/ipsec/_plutorun:
line 221:  8417 Aborted
                /usr/local/libexec/ipsec/pluto --nofork --secretsfile
/etc/ipsec.secrets --ipsecdir /etc/ipsec.d --debug-none --uniqueids
Apr 26 16:24:32 Pleiadi ipsec__plutorun: !pluto failure!:  exited with
error status 134 (signal 6)
Apr 26 16:24:32 Pleiadi ipsec__plutorun: restarting IPsec after pause...
Apr 26 16:24:43 Pleiadi kernel: IPSEC EVENT: KLIPS device ipsec0 shut
down.
Apr 26 16:24:43 Pleiadi kernel:
Apr 26 16:24:43 Pleiadi ipsec_setup: ...Openswan IPsec stopped
Apr 26 16:24:43 Pleiadi ipsec_setup: Stopping Openswan IPsec...
Apr 26 16:24:43 Pleiadi ipsec_setup: Removing orphaned
/var/run/pluto/pluto.pid:
Apr 26 16:24:44 Pleiadi ipsec_setup: KLIPS debug `none'
Apr 26 16:24:44 Pleiadi kernel:

It's impossible for me reproduce this error :-((
Any feedback are welcome.
PS: Kernel is NAT-T enbled.