[ovs-dev] Kernel panic when trying to create Gre tunnel

nicolas prochazka prochazka.nicolas at gmail.com
Mon Feb 28 16:24:47 UTC 2011


Dear dev list,

openvswitch : last git tree
kernel linux : 2.6.38rc6

Trying to create Gre tunnel


Feb 28 19:21:25 bergson26492 ovs-vsctl: 00001|vsctl|INFO|Called as ovs-vsctl
create interface name=GRE type=gre
options=local_ip=10.98.98.24,remote_ip=10.98.98.20
Feb 28 19:21:25 bergson26492 ovs-vsctl: 00001|vsctl|INFO|Called as ovs-vsctl
create port name=GRE interfaces=[5bd8eba3-aef6-4b89-a14c-0de19b0ca382]
Feb 28 19:21:25 bergson26492 ovs-vsctl: 00001|vsctl|INFO|Called as ovs-vsctl
add bridge br0 ports 0feab7a8-0aa6-475d-b0c6-9a71e84a1af6
Feb 28 18:21:25 bergson26492 ovs-vswitchd: 00121|bridge|INFO|created port
GRE on bridge br0
Feb 28 18:21:26 bergson26492 ------------[ cut here ]------------
Feb 28 18:21:26 bergson26492 WARNING: at include/net/dst.h:117
create_tunnel_header+0xa8/0xc0 [openvswitch_mod]()
Feb 28 18:21:26 bergson26492 Hardware name: PowerEdge M600
Feb 28 18:21:26 bergson26492 Modules linked in: openvswitch_mod kvm_intel
kvm bnx2
Feb 28 18:21:26 bergson26492 Pid: 6328, comm: ovs-vswitchd Not tainted
2.6.38-rc6 #1
Feb 28 18:21:26 bergson26492 Call Trace:
Feb 28 18:21:26 bergson26492 [<ffffffff8105443f>] ?
warn_slowpath_common+0x7f/0xc0
Feb 28 18:21:26 bergson26492 [<ffffffff8105449a>] ?
warn_slowpath_null+0x1a/0x20
Feb 28 18:21:26 bergson26492 [<ffffffffa0096818>] ?
create_tunnel_header+0xa8/0xc0 [openvswitch_mod]
Feb 28 18:21:26 bergson26492 [<ffffffffa009699d>] ? build_cache+0x16d/0x310
[openvswitch_mod]
Feb 28 18:21:26 bergson26492 [<ffffffffa000599d>] ?
bnx2_start_xmit+0x22d/0x7e0 [bnx2]
Feb 28 18:21:26 bergson26492 [<ffffffffa009729b>] ? tnl_send+0x13b/0xdf0
[openvswitch_mod]
Feb 28 18:21:26 bergson26492 [<ffffffff8185d5d4>] ?
sch_direct_xmit+0x84/0x1e0
Feb 28 18:21:26 bergson26492 [<ffffffffa00981c9>] ? vport_send+0x59/0x140
[openvswitch_mod]
Feb 28 18:21:26 bergson26492 [<ffffffff81837bde>] ? __skb_clone+0x2e/0x110
Feb 28 18:21:26 bergson26492 [<ffffffffa008f023>] ? do_output+0x23/0x40
[openvswitch_mod]
Feb 28 18:21:26 bergson26492 [<ffffffffa008f7e4>] ?
do_execute_actions+0x6c4/0x820 [openvswitch_mod]
Feb 28 18:21:26 bergson26492 [<ffffffff810780c6>] ?
enqueue_hrtimer+0x36/0x80
Feb 28 18:21:26 bergson26492 [<ffffffffa008f9bb>] ?
execute_actions+0x7b/0xf0 [openvswitch_mod]
Feb 28 18:21:26 bergson26492 [<ffffffff81078cbc>] ?
hrtimer_try_to_cancel+0x7c/0xc0
Feb 28 18:21:26 bergson26492 [<ffffffff81837bde>] ? __skb_clone+0x2e/0x110
Feb 28 18:21:26 bergson26492 [<ffffffffa0091379>] ?
odp_packet_cmd_execute+0x139/0x140 [openvswitch_mod]
Feb 28 18:21:26 bergson26492 [<ffffffff81883ad3>] ? genl_rcv_msg+0x1d3/0x230
Feb 28 18:21:26 bergson26492 [<ffffffff81883900>] ? genl_rcv_msg+0x0/0x230
Feb 28 18:21:26 bergson26492 [<ffffffff81881da9>] ?
netlink_rcv_skb+0xa9/0xd0
Feb 28 18:21:26 bergson26492 [<ffffffff818838e5>] ? genl_rcv+0x25/0x40
Feb 28 18:21:26 bergson26492 [<ffffffff81881a1d>] ?
netlink_unicast+0x28d/0x2d0
Feb 28 18:21:26 bergson26492 [<ffffffff8188230f>] ?
netlink_sendmsg+0x22f/0x370
Feb 28 18:21:26 bergson26492 [<ffffffff8113b810>] ? pollwake+0x0/0x60
Feb 28 18:21:26 bergson26492 [<ffffffff81830829>] ? sock_sendmsg+0xe9/0x120
Feb 28 18:21:26 bergson26492 [<ffffffff8113b810>] ? pollwake+0x0/0x60
Feb 28 18:21:26 bergson26492 [<ffffffff811337c6>] ? pipe_read+0x266/0x4a0
Feb 28 18:21:26 bergson26492 [<ffffffff81830307>] ?
__sys_recvmsg+0x127/0x2a0
Feb 28 18:21:26 bergson26492 [<ffffffff81129d3a>] ? do_sync_read+0xda/0x120
Feb 28 18:21:26 bergson26492 [<ffffffff81831149>] ? sys_sendto+0x109/0x140
Feb 28 18:21:26 bergson26492 [<ffffffff81002f82>] ?
system_call_fastpath+0x16/0x1b
Feb 28 18:21:26 bergson26492 ---[ end trace 317dcef2bd9073d9 ]---


Regards,
Nicolas Prochazka
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