[ovs-discuss] vport-stt.ko issue
Amru OM
sdn.innovation at gmail.com
Mon Jul 18 10:03:02 UTC 2016
Greetings,
I tried to load the STT module (vport-stt.ko), which is included with OVS
2.5 distribution, in order to configure STT overlay tunnels between virtual
machines located in different hosts. However, when I insert vport-stt.ko
using “insmod”:
insmod datapath/linux/vport-stt.ko
I got this error
insmod: ERROR: could not insert module datapath/linux/vport-stt.ko: Unknown
symbol in module
Then I tried “modprobe vport-stt”, but I got a similar error:
modprobe: ERROR: could not insert 'vport_stt': Unknown symbol in module, or
unknown parameter (see dmesg)
Running "dmesg tail", I got the following:
[89896.077397] vport_stt: Unknown symbol ovs_netdev_link (err 0)
[89896.077421] vport_stt: Unknown symbol ovs_netdev_tunnel_destroy (err 0)
[89896.077425] vport_stt: disagrees about version of symbol
ovs_tunnel_get_egress_info
[89896.077428] vport_stt: Unknown symbol ovs_tunnel_get_egress_info (err
-22)
[89896.077440] vport_stt: Unknown symbol ovs_stt_dev_create_fb (err 0)
[89896.077462] vport_stt: Unknown symbol __ovs_vport_ops_register (err 0)
[89896.077467] vport_stt: disagrees about version of symbol
ovs_vport_ops_unregister
[89896.077469] vport_stt: Unknown symbol ovs_vport_ops_unregister (err -22)
[89896.077474] vport_stt: disagrees about version of symbol ovs_vport_alloc
[89896.077476] vport_stt: Unknown symbol ovs_vport_alloc (err -22)
[89896.077479] vport_stt: disagrees about version of symbol ovs_vport_free
[89896.077481] vport_stt: Unknown symbol ovs_vport_free (err -22)
[89896.077494] vport_stt: Unknown symbol ovs_stt_xmit (err 0)
Running "modinfo vport-stt.ko", I got:
filename: /root/openvswitch-2.5.0/datapath/linux/vport-stt.ko
alias: vport-type-106
license: GPL
description: OVS: STT switching port
rhelversion: 7.2
srcversion: 2D42FA67BB7A1A04E5E0A62
depends: openvswitch
vermagic: 3.10.0-327.13.1.el7.x86_64 SMP mod_unload modversions
Note, as vport-stt.ko depends on openvswitch.ko, I loaded openvswitch.ko before
trying to insert vport-stt.ko, but it did not fix the problem.
I was able to load the other modules such as vport-gre.ko, vport-vxlan.ko,
and vport-geneve.ko, but not vport-stt.ko
[root at sig-102 ~]# lsmod | grep switch
openv*switch* 84543 3 vport_gre,vport_vxlan,vport_geneve
libcrc32c 12644 2 xfs,openv*switch*
The OVS is installed on CentOS 7.2.1511 (kernel:
3.10.0-327.13.1.el7.x86_64).
Please advise me on how to tackle this *problem*,
Thanks in advance,
Amru
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