[Openswan Users] ipsec__plutorun: !pluto failure!: exited with error status 134 (signal 6)

[Chen, Xuli (James)]

Hello Everyone,

I'm experiencing below pluto failure with openswan-2.6.21-5.el5_5.3 when I was trying to stop ipsec during traffic. According to searching result from Google, it looks this kind of issue happened before with older openswan release. But I could not understand what's the root cause and solution for that. Anyone knows the root cause and solution?

Thank you,
James

Sep 28 09:18:09 tb1ems1 ipsec_setup: Stopping Openswan IPsec...
Sep 28 09:18:09 tb1ems1 ipsec__plutorun: /usr/libexec/ipsec/_plutorun: line 232: 20224 Aborted                 /usr/libexec/ipsec/pluto --nofork --secretsfile /etc/ipsec.secrets --ipsecdir /etc/ipsec.d --use-netkey --crlcheckinterval 600 --nhelpers 0
Sep 28 09:18:09 tb1ems1 ipsec__plutorun: !pluto failure!:  exited with error status 134 (signal 6)
Sep 28 09:18:09 tb1ems1 ipsec__plutorun: restarting IPsec after pause...
Sep 28 09:18:10 tb1ems1 ipsec_setup: Attempt to shut Pluto down failed!  Trying kill:
Sep 28 09:18:10 tb1ems1 ipsec_setup: /usr/libexec/ipsec/_realsetup: line 119: kill: (20224) - No such process
Sep 28 09:18:15 tb1ems1 ipsec_setup: ERROR: Module xfrm4_mode_transport is in use
Sep 28 09:18:15 tb1ems1 ipsec_setup: ERROR: Module esp4 is in use
Sep 28 09:18:15 tb1ems1 kernel: NET: Unregistered protocol family 15
Sep 28 09:18:15 tb1ems1 ipsec_setup: ...Openswan IPsec stopped
Sep 28 09:18:16 tb1ems1 kernel: NET: Registered protocol family 15
Sep 28 09:18:19 tb1ems1 ipsec_setup: Stopping Openswan IPsec...
Sep 28 09:18:19 tb1ems1 ipsec_setup: stop ordered, but IPsec appears to be already stopped!
Sep 28 09:18:19 tb1ems1 ipsec_setup: doing cleanup anyway...
Sep 28 09:18:19 tb1ems1 ipsec_setup: ERROR: Module xfrm4_mode_transport is in use
Sep 28 09:18:19 tb1ems1 ipsec_setup: ERROR: Module esp4 is in use
Sep 28 09:18:19 tb1ems1 kernel: NET: Unregistered protocol family 15
Sep 28 09:18:19 tb1ems1 ipsec_setup: ...Openswan IPsec stopped
Sep 28 09:18:19 tb1ems1 kernel: NET: Registered protocol family 15
Sep 28 09:18:19 tb1ems1 ipsec_setup: Restarting Openswan IPsec U2.6.21/K2.6.18-274.el5...
Sep 28 09:18:19 tb1ems1 ipsec_setup: Using NETKEY(XFRM) stack
Sep 28 09:18:20 tb1ems1 kernel: ipv6 esp init: can't add xfrm type
Sep 28 09:18:20 tb1ems1 kernel: ipv6 ah init: can't add xfrm type
Sep 28 09:18:20 tb1ems1 ipsec_setup: multiple ip addresses, using  47.11.10.66 on bond0.718
Sep 28 09:18:20 tb1ems1 ipsec_setup: ...Openswan IPsec started
Sep 28 09:18:20 tb1ems1 pluto: adjusting ipsec.d to /etc/ipsec.d
Sep 28 09:18:20 tb1ems1 ipsec__plutorun: adjusting ipsec.d to /etc/ipsec.d
Sep 28 09:18:21 tb1ems1 ipsec__plutorun: 002 loading certificate from Enclave1

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