Public bug reported:
1) This affects Precise w/ 3.5 HWE kernel and Quantal series.
This is using the openvswitch 1.4.6 package currently in proposed.
2)
ii openvswitch-common 1.4.6-0ubuntu1.12.10.1 amd64 Open vSwitch common
components
ii openvswitch-datapath-dkms 1.4.6-0ubuntu1.12.10.1 all Open vSwitch datapath
module source - DKMS version
ii openvswitch-switch 1.4.6-0ubuntu1.12.10.1 amd64 Open vSwitch switch
implementations
ii openvswitch-test 1.4.6-0ubuntu1.12.10.1 all Open vSwitch test package
3)
Expected that setting up a GRE tunnel won't cause an oops.
Test Case:
# Install above packages with affected versions.
# Ensure you have an isolated network setup for eth1 between vms
# Obviously replace IPs with what's appropriate on your network
ovs-vsctl del-br integbr
ovs-vsctl add-br integbr
ifconfig eth1 192.168.234.21 netmask 255.255.255.0
ovs-vsctl add-port integbr gre0 -- set interface gre0 type=gre
options:remote_ip=192.168.234.20
ovs-vsctl add-port integbr tsp0 -- set interface tsp0 type=internal
ifconfig tsp0 192.168.15.2 netmask 255.255.255.0
iptables -F
iptables -F -t nat
# goes boom here
4)
This is the bt from crash:
PID: 1197 TASK: ffff88007a009700 CPU: 0 COMMAND: "ovs-vswitchd"
#0 [ffff8800799213f0] machine_kexec at ffffffff8103a275
#1 [ffff880079921460] crash_kexec at ffffffff810b9d68
#2 [ffff880079921530] oops_end at ffffffff81685600
#3 [ffff880079921560] no_context at ffffffff81676637
#4 [ffff8800799215c0] __bad_area_nosemaphore at ffffffff81676822
#5 [ffff880079921610] bad_area_nosemaphore at ffffffff81676854
#6 [ffff880079921620] do_page_fault at ffffffff816881bb
#7 [ffff880079921730] do_async_page_fault at ffffffff81687a35
#8 [ffff880079921750] async_page_fault at ffffffff81684a95
#9 [ffff8800799218b0] ovs_vport_send at ffffffffa01b956e [openvswitch]
#10 [ffff8800799218d0] do_output at ffffffffa01b0214 [openvswitch]
#11 [ffff8800799218e0] do_execute_actions at ffffffffa01b031f [openvswitch]
#12 [ffff880079921970] ovs_execute_actions at ffffffffa01b0a68 [openvswitch]
#13 [ffff8800799219b0] ovs_packet_cmd_execute at ffffffffa01b1279 [openvswitch]
#14 [ffff880079921a10] genl_rcv_msg at ffffffff8159c9b0
#15 [ffff880079921aa0] netlink_rcv_skb at ffffffff8159c2d1
#16 [ffff880079921ad0] genl_rcv at ffffffff8159c745
#17 [ffff880079921af0] netlink_unicast at ffffffff8159bc2d
#18 [ffff880079921b40] netlink_sendmsg at ffffffff8159bf8a
#19 [ffff880079921bd0] sock_sendmsg at ffffffff8155c838
#20 [ffff880079921d50] ___sys_sendmsg at ffffffff8155cc81
#21 [ffff880079921f00] __sys_sendmsg at ffffffff8155ea09
#22 [ffff880079921f70] sys_sendmsg at ffffffff8155ea62
#23 [ffff880079921f80] system_call_fastpath at ffffffff8168c5a9
RIP: 00007f4b2bfee570 RSP: 00007fff3cfd08e8 RFLAGS: 00000206
RAX: 000000000000002e RBX: ffffffff8168c5a9 RCX: ffffffffffffffff
RDX: 0000000000000000 RSI: 00007fff3cfcd910 RDI: 0000000000000025
RBP: 00007f4b2f2a9e40 R8: 00007f4b2f2ab2c0 R9: 00000000000002ff
R10: 1600000000000000 R11: 0000000000000246 R12: ffffffff8155ea62
R13: ffff880079921f78 R14: 00007fff3cfcd910 R15: 0000000000000002
ORIG_RAX: 000000000000002e CS: 0033 SS: 002b
** Affects: openvswitch (Ubuntu)
Importance: Medium
Assignee: Chris J Arges (arges)
Status: In Progress
** Changed in: openvswitch (Ubuntu)
Assignee: (unassigned) => Chris J Arges (arges)
** Changed in: openvswitch (Ubuntu)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1262692
Title:
oops using openvswitch 1.4.6 with 3.5 series kernel
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