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List: openvswitch-discuss
Subject: [ovs-discuss] reporting an ovs crash in mcast_snooping_add_mld
From: yby.developer () yahoo ! com (Yi Ba)
Date: 2016-01-28 18:58:09
Message-ID: 1671348120.1827767.1454007490014.JavaMail.yahoo () mail ! yahoo ! com
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workaround:OVS_ENABLE_SG_FIREWALL_MULTICAST=False
On Wednesday, 27 January 2016 11:48 AM, Yi Ba <yby.developer at 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 at 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 \
at 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 at 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 at \
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 at 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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