Kernel 2.6.11.3 / Openswan machine freeze afterestablishing a connection

[krn]

I am trying to make an ipsec connection between 2 networks and i'm 
experiencing lots of machine freeze after establishing the connection.

Kernel 2.6.11.3  ( I also tried with 2.6.9 and got the same results )
Openswan 2.1.6 ( Also tried with 2.3.0 and got same results )


eth0:  192.168.11.1
eth1: 193.230.x.x

/etc/ipsec.conf
------------------------------------------------
version 2

config setup
  interfaces="ipsec0=eth0"
  klipsdebug=all
  plutodebug=all

conn tss-to-vpn
  type=tunnel
  authby=rsasig
  left=193.230.x.x
  leftnexthop=193.230.x.x
  leftsubnet=192.168.11.0/24
  leftcert=vpn-client-cert.pem
  right=193.231.x.x
  rightnexthop=193.231.x.x
  rightsubnet=0.0.0.0/0
  rightcert=vpn-srv-cert.pem
  auto=start
-----------------------------------------------------

/etc/ipsec.secrets contains:
-------------------------------------------------
: RSA vpn-client-priv.pem "xxxxxxxx"
--------------------------------------------------
The strange part is that the main vpn server works as expected and that 
never hanged . Only the machine with the above config .



If i press alt-sysreq-p after hang i get this:

Pid: 0 , comm:         swapper
EIP: 0060:[<c0432075>]    CPU:0
EIP is at  _spin_lock_irqsave+0x65/0x80
EFLAGS: 00000202    Not tainted ( 2.6.11.3-test-2tfm)
EAX:00000001 EBX:dace4e0c  ECX:00000403 EDX:00000001
ESI:c05cd000 EDI:db356f3c  EBP: c05cdd50 DS: 007b ES: 007b
CR0: 8005003b CR2: 080d30ec CR3: 1fe3f500 CR4: 000006e0


Anyone have an ideea why it behave like this and how i can fix it ?

Best regards,
Mihai Moldovanu

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