workaround:OVS_ENABLE_SG_FIREWALL_MULTICAST=False
 

    On Wednesday, 27 January 2016 11:48 AM, Yi Ba <yby.develo...@yahoo.com> 
wrote:
 

 The most important parts of your bug report are the following:·       What you 
did that make theproblem appear:
running Ubuntu, openstack compute (another server is running the control), 
withnetworking-ovs-dpdk, provider network on the dpdk port, no L3 agent. 
Iinstantiated a VM with an interface on the dpdk network.·       What you 
expected tohappen:
Expected VM to load into an ACTIVE state·       What actually happened:
OVS crashedPleasealso include the following information:·       The Open 
vSwitch versionnumber (as output by ovs-vswitchd --version):
ovs-vswitchd (Open vSwitch) 2.4.90
Compiled Jan 27 2016 03:53:13·       The Git commit number (asoutput by git 
rev-parse HEAD), if youbuilt from a Git snapshot:
built from devstack: bbcc74abcc5d215bfd8a5ef8f3039246a4e8656d·       Any local 
patches orchanges you have applied (if any):
not that I know ofThefollowing are also handy sometimes:·       The kernel 
version onwhich Open vSwitch is running (from /proc/version) and 
thedistribution and version number of your OS (e.g. “Centos 5.0”):
Linux version 3.19.0-47-generic (buildd@lgw01-19) (gcc version 4.8.2 
(Ubuntu4.8.2-19ubuntu1) ) #53~14.04.1-Ubuntu SMP Mon Jan 18 16:09:14 UTC 2016·  
     The contents of thevswitchd configuration database (usually 
/etc/openvswitch/conf.db):
attached·       The output of ovs-dpctl show:
2016-01-27T18:33:51Z|00001|dpif_netlink|ERR|Generic Netlink 
family'ovs_datapath' does not exist. The Open vSwitch kernel module is probably 
notloaded.
2016-01-27T18:33:51Z|00002|dpif|WARN|failed to enumerate system datapaths: 
Nosuch file or directory·       If you have Open vSwitchconfigured to connect 
to an OpenFlow controller, the output of ovs-ofctl show <bridge> for each 
<bridge> configured in the vswitchd configurationdatabase:
below·       A fix or workaround, ifyou have one:
N/A·       Any other information thatyou think might be relevant:
some GDB output:Reading symbols from /usr/sbin/ovs-vswitchd...(no 
debuggingsymbols found)...done.
[New LWP 7312][New LWP 5665][New LWP 5664][New LWP 7315][New LWP 7316][New LWP 
7313][New LWP 7314][New LWP 5482][New LWP 5476][New LWP 5483][New LWP 5484][New 
LWP 7301][New LWP 7302][New LWP 7303][New LWP 7304][New LWP 7305][New LWP 
7306][New LWP 7307][New LWP 7308][New LWP 7309][New LWP 7310][New LWP 7311][New 
LWP 5454][Thread debugging using libthread_db enabled]Using host libthread_db 
library"/lib/x86_64-linux-gnu/libthread_db.so.1".Core was generated by 
`/usr/sbin/ovs-vswitchd --dpdk-vhost_sock_dir /var/run/openvswitch -c 2 -n 4 
--'.Program terminated with signal SIGSEGV, Segmentation fault.#0  
0x00000000005cc14ain mcast_snooping_add_mld ()(gdb) bt#0  0x00000000005cc14ain 
mcast_snooping_add_mld ()#1  0x000000000058bb99in update_mcast_snooping_table 
()#2  0x000000000058f449in xlate_output_action ()#3  0x0000000000590167in 
do_xlate_actions ()#4  0x000000000059330bin xlate_actions ()#5  
0x0000000000585af5in revalidate_ukey ()#6  0x00000000005892eein revalidate.isra 
()#7  0x00000000005896d8in udpif_revalidator ()#8  0x0000000000633734in 
ovsthread_wrapper ()#9  0x00007f958bfd1182in start_thread (arg=0x7f95649f9700) 
at pthread_create.c:312#10 0x00007f958b7f047d in clone () 
at../sysdeps/unix/sysv/linux/x86_64/clone.S:111
stack@devstack1-2:~/devstack$ sudo ovs-vsctl 
show44bc6be5-21ef-4ee4-8b4a-11a3d597dab5    Bridge br-ex        Port br-ex      
      Interface br-ex                type: internal        Port phy-br-ex       
     Interface phy-br-ex                type: patch                options: 
{peer=int-br-ex}    Bridge br-int        fail_mode: secure        Port br-int   
         Interface br-int                type: internal        Port int-br-ex   
         Interface int-br-ex                type: patch                options: 
{peer=phy-br-ex}        Port "int-br-p1p1"            Interface "int-br-p1p1"   
             type: patch                options: {peer="phy-br-p1p1"}    Bridge 
"br-p1p1"        Port "dpdk0"            Interface "dpdk0"                type: 
dpdk        Port "phy-br-p1p1"            Interface "phy-br-p1p1"               
 type: patch                options: {peer="int-br-p1p1"}        Port "br-p1p1" 
           Interface "br-p1p1"                type: internal
stack@devstack1-2:~/devstack$ sudo ovs-ofctl show br-exOFPT_FEATURES_REPLY 
(xid=0x2): dpid:000096f78f8b9647n_tables:254, n_buffers:256capabilities: 
FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS ARP_MATCH_IPactions: output 
enqueue set_vlan_vid set_vlan_pcp strip_vlan mod_dl_src mod_dl_dst mod_nw_src 
mod_nw_dst mod_nw_tos mod_tp_src mod_tp_dst 1(phy-br-ex): 
addr:9e:5a:b1:74:cd:58     config:     0     state:      0     speed: 0 Mbps 
now, 0 Mbps max LOCAL(br-ex): addr:96:f7:8f:8b:96:47     config:     PORT_DOWN  
   state:      LINK_DOWN     current:    10MB-FD COPPER     speed: 10 Mbps now, 
0 Mbps maxOFPT_GET_CONFIG_REPLY (xid=0x4): frags=normal miss_send_len=0
stack@devstack1-2:~/devstack$ sudo ovs-ofctl show br-intOFPT_FEATURES_REPLY 
(xid=0x2): dpid:00003ea422d0fb47n_tables:254, n_buffers:256capabilities: 
FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS ARP_MATCH_IPactions: output 
enqueue set_vlan_vid set_vlan_pcp strip_vlan mod_dl_src mod_dl_dst mod_nw_src 
mod_nw_dst mod_nw_tos mod_tp_src mod_tp_dst 1(int-br-p1p1): 
addr:de:a8:d3:0b:fa:a0     config:     0     state:      0     speed: 0 Mbps 
now, 0 Mbps max 2(int-br-ex): addr:96:02:44:d6:1c:fa     config:     0     
state:      0     speed: 0 Mbps now, 0 Mbps max LOCAL(br-int): 
addr:3e:a4:22:d0:fb:47     config:     PORT_DOWN     state:      LINK_DOWN     
current:    10MB-FD COPPER     speed: 10 Mbps now, 0 Mbps 
maxOFPT_GET_CONFIG_REPLY (xid=0x4): frags=normal miss_send_len=0
stack@devstack1-2:~/devstack$ sudo ovs-ofctl show br-p1p1OFPT_FEATURES_REPLY 
(xid=0x2): dpid:0000001b21434c74n_tables:254, n_buffers:256capabilities: 
FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS ARP_MATCH_IPactions: output 
enqueue set_vlan_vid set_vlan_pcp strip_vlan mod_dl_src mod_dl_dst mod_nw_src 
mod_nw_dst mod_nw_tos mod_tp_src mod_tp_dst 1(dpdk0): addr:00:1b:21:43:4c:74    
 config:     0     state:      0     current:    10GB-FD     advertised: 
100MB-HD 100MB-FD 1GB-HD 1GB-FD 10GB-FD COPPER FIBER AUTO_NEG AUTO_PAUSE     
speed: 10000 Mbps now, 0 Mbps max 2(phy-br-p1p1): addr:d2:8e:f2:cc:a7:a8     
config:     0     state:      0     speed: 0 Mbps now, 0 Mbps max 
LOCAL(br-p1p1): addr:00:1b:21:43:4c:74     config:     PORT_DOWN     state:     
 LINK_DOWN     current:    10MB-FD COPPER     speed: 10 Mbps now, 0 Mbps 
maxOFPT_GET_CONFIG_REPLY (xid=0x4): frags=normal miss_send_len=0




  
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