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<div class="moz-cite-prefix">On 1/24/2019 3:01 PM, Amer Hwitat
wrote:<br>
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<blockquote type="cite"
cite="mid:CAGshxWGL80MLQXp_9MyfosR9BSwpgMFT+f5LOKZtZ474g-yqdA@mail.gmail.com">
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<div>Hi,</div>
<div><br>
</div>
<div>I have the following issue:</div>
<div><br>
</div>
<div>[root@localhost neutron]# systemctl status
network<br>
● network.service - LSB: Bring up/down networking<br>
Loaded: loaded (/etc/rc.d/init.d/network; bad;
vendor preset: disabled)<br>
Active: active (exited) since Tue 2019-01-22
09:13:04 EST; 58min ago<br>
Docs: man:systemd-sysv-generator(8)<br>
Process: 10275 ExecStart=/etc/rc.d/init.d/network
start (code=exited, status=0/SUCCESS)<br>
Tasks: 0<br>
<br>
Jan 22 09:12:58 localhost.localdomain systemd[1]:
Starting LSB: Bring up/down networking...<br>
Jan 22 09:12:59 localhost.localdomain
network[10275]: Bringing up loopback interface: [
OK ]<br>
Jan 22 09:12:59 localhost.localdomain
ovs-vsctl[10407]: ovs|00001|vsctl|INFO|Called as
ovs-vsctl -t 10 -- --may-exist add-br br-ex<br>
Jan 22 09:13:04 localhost.localdomain
network[10275]: Bringing up interface br-ex: [ OK
]<br>
Jan 22 09:13:04 localhost.localdomain
ovs-vsctl[10573]: ovs|00001|vsctl|INFO|Called as
ovs-vsctl -t 10 -- --if-exists del-port br-ex
eno16777736 -- add-port...o16777736<br>
Jan 22 09:13:04 localhost.localdomain
network[10275]: Bringing up interface eno16777736:
[ OK ]<br>
Jan 22 09:13:04 localhost.localdomain systemd[1]:
Started LSB: Bring up/down networking.<br>
Hint: Some lines were ellipsized, use -l to show in
full.<br>
[root@localhost neutron]#<br>
</div>
<div><br>
</div>
<div>casue by this configuration of eno16777736
interface on a VM:</div>
<div>settings:<br>
<br>
HWADDR=00:0C:29:37:19:1F<br>
TYPE=OVSBridge<br>
DEVICE=br-ex<br>
DEVICETYPE=ovs<br>
DEFROUTE=yes<br>
IPV4_FAILURE_FATAL=no<br>
UUID=c0addf73-98fe-464c-804a-b40110fd6157<br>
ONBOOT=yes<br>
IPADDR=192.168.43.110<br>
PREFIX=24<br>
GATEWAY=192.168.43.1<br>
DNS=192.168.43.1<br>
BOOTPROTO=static<br>
NM_CONTROLLED=no<br>
IPV4_FAILURE_FATAL=no<br>
IPV6INIT=yes<br>
IPV6_AUTOCONF=yes<br>
IPV6_DEFROUTE=yes<br>
IPV6_FAILURE_FATAL=no<br>
PROXY_METHOD=none<br>
BROWSER_ONLY=no<br>
<br>
HWADDR=00:0C:29:37:19:1F<br>
TYPE=OVSPort<br>
DEVICE=eno16777736<br>
DEVICETYPE=ovs<br>
UUID=c0addf73-98fe-464c-804a-b40110fd6157<br>
OVS_BRIDGE=br-ex<br>
BOOTPROTO=none<br>
ONBOOT=yes<br>
PROMISC=yes<br>
PROXY_METHOD=none<br>
DEFROUTE=yes<br>
PEERDNS=yes<br>
PEERROUTES=yes<br>
NM_CONTROLLED=no<br>
IPV4_FAILURE_FATAL=no<br>
IPV6INIT=yes<br>
IPV6_AUTOCONF=yes<br>
IPV6_DEFROUTE=yes<br>
IPV6_FAILURE_FATAL=no<br>
NAME=eno16777736<br>
PROXY_METHOD=none<br>
BROWSER_ONLY=no</div>
<div><br>
</div>
<div>which causes this bug:</div>
<div><br>
</div>
<div>[root@localhost log]# <br>
Message from syslogd@localhost at Jan 23 02:23:31
...<br>
kernel:NMI watchdog: BUG: soft lockup - CPU#3 stuck
for 22s! [ovsdb-server:10088]<br>
</div>
<div><br>
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<div>which crashes the VM or Server CPU to may cause
critical situation, and repair , rescue and restore
to the server...</div>
<div><br>
</div>
<div>mentioned in <br>
</div>
<div><br>
</div>
<div><a
href="https://bugzilla.redhat.com/show_bug.cgi?id=1666598"
moz-do-not-send="true">https://bugzilla.redhat.com/show_bug.cgi?id=1666598</a></div>
<div><a
href="https://bugs.launchpad.net/neutron/+bug/1811941"
moz-do-not-send="true">https://bugs.launchpad.net/neutron/+bug/1811941</a><br>
<a
href="https://access.redhat.com/support/cases/#/case/02293077"
moz-do-not-send="true">https://access.redhat.com/support/cases/#/case/02293077</a><br>
<a href="https://postimg.cc/gallery/29c2o4ftu/"
moz-do-not-send="true">https://postimg.cc/gallery/29c2o4ftu/</a><br>
<a href="https://imgur.com/a/X6bEPop"
moz-do-not-send="true">https://imgur.com/a/X6bEPop</a></div>
<div><br>
</div>
<div>by me ... if there is a mis-configuration from my
side please reply with remedy solution please ...</div>
</div>
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</blockquote>
<br>
I went and looked at the redhat bugzilla - it's very long so I
didn't read it all.<br>
<br>
Do you have a kernel stack trace?<br>
<br>
Thanks,<br>
<br>
- Greg<br>
<br>
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cite="mid:CAGshxWGL80MLQXp_9MyfosR9BSwpgMFT+f5LOKZtZ474g-yqdA@mail.gmail.com">
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<div>Best regards</div>
<div>Amer Hwitat<br>
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