** Description changed:
Short description
====================================
- We have intermittent re-accurance of what appears to be OVS being dead.
- Clients loose connection to the networks (vxlan,gre) with no root cause and
any visible sign of issue. "Lights are on but non-one is home"
+ We have intermittent reoccurance of what appears to be OVS being dead.
+ Clients lose connection to the networks (vxlan,gre) with no root cause and
any visible sign of issue. "Lights are on but noone is home"
Steps to reproduce
===================
unknown
- Steps to reproduce
+ Steps to resolve
=================
restart the VM
- openstack server restart
+ `openstack server restart <id>`
- creating new vms are not impacted and work immediately
-
+ Newly created vms are not impacted and work immediately.
Sospreorts
===========
ubu...@files.support.canonical.com
- sosreport-..............-00282744-2020-06-08-typrlwu.tar.xz
- sosreport-...........-00282744-2020-06-08-qdvfplm.tar.xz
+ sosreport-..............-00282744-2020-06-08-typrlwu.tar.xz
+ sosreport-...........-00282744-2020-06-08-qdvfplm.tar.xz
openvswitch
===========
dpkg --list | grep -i openv | awk '{print $2 " " $3 }'
neutron-openvswitch-agent 2:12.1.0-0ubuntu1~cloud0
neutron-plugin-openvswitch-agent 2:12.1.0-0ubuntu1~cloud0
openvswitch-common 2.9.5-0ubuntu0.18.04.1~cloud0
openvswitch-switch 2.9.5-0ubuntu0.18.04.1~cloud0
python-openvswitch 2.9.5-0ubuntu0.18.04.1~cloud0
qemu
====
dpkg --list | grep -i qemu | awk '{print $2 " " $3 }'
ipxe-qemu 1.0.0+git-20180124.fbe8c52d-0ubuntu2.2~cloud0
ipxe-qemu-256k-compat-efi-roms 1.0.0+git-20150424.a25a16d-0ubuntu2~cloud0
qemu 1:2.11+dfsg-1ubuntu7.23~cloud0
qemu-block-extra:amd64 1:2.11+dfsg-1ubuntu7.23~cloud0
qemu-kvm 1:2.11+dfsg-1ubuntu7.23~cloud0
qemu-slof 20151103+dfsg-1ubuntu1.1
qemu-system 1:2.11+dfsg-1ubuntu7.23~cloud0
qemu-system-arm 1:2.11+dfsg-1ubuntu7.23~cloud0
qemu-system-common 1:2.11+dfsg-1ubuntu7.23~cloud0
qemu-system-mips 1:2.11+dfsg-1ubuntu7.23~cloud0
qemu-system-misc 1:2.11+dfsg-1ubuntu7.23~cloud0
qemu-system-ppc 1:2.11+dfsg-1ubuntu7.23~cloud0
qemu-system-s390x 1:2.11+dfsg-1ubuntu7.23~cloud0
qemu-system-sparc 1:2.11+dfsg-1ubuntu7.23~cloud0
qemu-system-x86 1:2.11+dfsg-1ubuntu7.23~cloud0
qemu-user 1:2.11+dfsg-1ubuntu7.23~cloud0
qemu-user-binfmt 1:2.11+dfsg-1ubuntu7.23~cloud0
qemu-utils 1:2.11+dfsg-1ubuntu7.23~cloud0
-
Details
=======
openstack server show f0c5b261-73ed-43cc-bd5d-82d181680d87
+-------------------------------------+------------------------------------------------------------------------+
| Field | Value
|
+-------------------------------------+------------------------------------------------------------------------+
| OS-DCF:diskConfig | MANUAL
|
| OS-EXT-AZ:availability_zone | hidden to protect customer
|
| OS-EXT-SRV-ATTR:host | hidden to protect customer
|
| OS-EXT-SRV-ATTR:hypervisor_hostname | hidden to protect customer
|
| OS-EXT-SRV-ATTR:instance_name | instance-0000b9fc
|
| OS-EXT-STS:power_state | Running
|
| OS-EXT-STS:task_state | None
|
| OS-EXT-STS:vm_state | active
|
| OS-SRV-USG:launched_at | 2020-01-28T13:16:46.000000
|
| OS-SRV-USG:terminated_at | None
|
| accessIPv4 |
|
| accessIPv6 |
|
| addresses | DCS1-BO-SERVICES=172.16.15.22,
xxxxxxxxxxxxxx |
-
VM interface 172.16.15.22
===============================
virsh domiflist instance-0000b9fc
Interface Type Source Model MAC
-------------------------------------------------------
tapba67f7c2-bc bridge br-int virtio fa:16:3e:b5:56:26
-
OVS stat info
=============
icmp, dns, dhcp, flows are visible
/snap/bin/ovs-stat -p results --host dcs1-clp-nod23 --tree
https://pastebin.canonical.com/p/NMZSRCqdPh/
-
Dead icmp
=========
ping 172.16.15.22
PING 172.16.15.22 (172.16.15.22) 56(84) bytes of data.
^C
--- 172.16.15.22 ping statistics ---
2 packets transmitted, 0 received, 100% packet loss, time 1031ms
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https://bugs.launchpad.net/bugs/1882519
Title:
Network partition - lost connectivity - ovs staleness?
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