We're currently seeing this crash several times a day in our Ubuntu
Icehouse OpenStack environment of about 60 nodes.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 nl_attr_get_size (nla=nla@entry=0x0) at ../lib/netlink.c:506
#1 0x0000000000460473 in format_generic_odp_key (a=a@entry=0x0,
ds=ds@entry=0x7fffc803d290)
at ../lib/odp-util.c:767
#2 0x0000000000460cd2 in format_odp_key_attr (a=a@entry=0x1a63c98,
ma=ma@entry=0x0, ds=ds@entry=0x7fffc803d290, verbose=verbose@entry=true) at
../lib/odp-util.c:1332
#3 0x00000000004609d7 in odp_flow_format (key=key@entry=0x1a63c50,
key_len=key_len@entry=80, mask=mask@entry=0x0, mask_len=mask_len@entry=0,
ds=ds@entry=0x7fffc803d290,
verbose=verbose@entry=true) at ../lib/odp-util.c:1402
#4 0x00000000004450f3 in log_flow_message (error=error@entry=2,
operation=operation@entry=0x4d0e73 "flow_del", key=0x1a63c50, key_len=80,
mask=mask@entry=0x0,
mask_len=mask_len@entry=0, stats=0x0, actions=actions@entry=0x0,
actions_len=actions_len@entry=0, dpif=<optimized out>) at ../lib/dpif.c:1354
#5 0x00000000004453c9 in log_flow_del_message (dpif=dpif@entry=0x1a06c70,
del=del@entry=0x7fffc803d340, error=error@entry=2) at ../lib/dpif.c:1397
#6 0x0000000000445433 in log_flow_del_message (error=2,
del=0x7fffc803d340, dpif=0x1a06c70) at ../lib/dpif.c:1396
#7 dpif_flow_del__ (dpif=0x1a06c70, del=del@entry=0x7fffc803d340) at
../lib/dpif.c:945
#8 0x00000000004455ca in dpif_flow_del (dpif=<optimized out>,
key=<optimized out>, key_len=<optimized out>, stats=stats@entry=0x7fffc803d370)
at ../lib/dpif.c:965
#9 0x000000000041b423 in subfacet_uninstall (subfacet=0x1be9a80) at
../ofproto/ofproto-dpif.c:4686
#10 0x0000000000420f18 in facet_remove (facet=0x1be9680) at
../ofproto/ofproto-dpif.c:4014
#11 0x0000000000422f52 in facet_revalidate (facet=facet@entry=0x1be9680) at
../ofproto/ofproto-dpif.c:4321
#12 0x0000000000423b96 in type_run (type=<optimized out>) at
../ofproto/ofproto-dpif.c:836
#13 0x000000000041224f in ofproto_type_run (datapath_type=<optimized out>,
datapath_type@entry=0x1ab88a0 "system") at ../ofproto/ofproto.c:1309
#14 0x000000000040d755 in bridge_run () at ../vswitchd/bridge.c:2384
#15 0x00000000004059bb in main (argc=<optimized out>, argv=<optimized out>)
at ../vswitchd/ovs-vswitchd.c:118
The version we are running:
ovs-vswitchd (Open vSwitch) 2.0.2
Compiled Aug 15 2014 14:31:03
OpenFlow versions 0x1:0x1
This is from the Ubuntu package:
openvswitch-switch-2.0.2-0ubuntu0.14.04.1
The kernel version is:
3.13.0-37-generic
The distribution is:
Ubuntu 14.04.1 LTS
This is probably related to the following "fixed" Ubuntu bug:
https://bugs.launchpad.net/ubuntu/+source/openvswitch/+bug/1352570
The fix referenced was:
https://github.com/openvswitch/ovs/commit/dd2e44f835fac8c2df99f84c54250c3ca981f2f5
Not sure if it's relevant but part of this patch was reverted prior to the
2.0.2 release:
https://github.com/openvswitch/ovs/commit/e8ac8c3940535fb439eba980afa6c61bdd428003
Any help will be appreciated! Let me know if I can provide any more
relevant information.
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