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Dears,

I have the following Bugs that crashed my VM, I reported it to RH, they
didn't answer, and banned my developer account, the Bug is when you disable
the network on RHEL with OSP 14 installed all in one, it crashes the
system, I had a 12GB RAM, with 8 CPUs on the VM, and I found out that this
crash report pissed off someone in RH, because they called me, and said
what do you want from me!!, what I need is a Simple reply, is this a bug or
not.

here is the problem:



[root at localhost network-scripts]# systemctl status network -l
? network.service - LSB: Bring up/down networking
   Loaded: loaded (/etc/rc.d/init.d/network; bad; vendor preset: disabled)
   Active: failed (Result: exit-code) since Sat 2019-01-19 03:47:01 EST;
21s ago
     Docs: man:systemd-sysv-generator(8)
  Process: 86319 ExecStop=/etc/rc.d/init.d/network stop (code=exited,
status=0/SUCCESS)
  Process: 86591 ExecStart=/etc/rc.d/init.d/network start (code=exited,
status=1/FAILURE)
    Tasks: 0

Jan 19 03:47:01 localhost.localdomain dhclient[86963]: Please report for
this software via the Red Hat Bugzilla site:
Jan 19 03:47:01 localhost.localdomain dhclient[86963]:
http://bugzilla.redhat.com
Jan 19 03:47:01 localhost.localdomain dhclient[86963]: ution.
Jan 19 03:47:01 localhost.localdomain dhclient[86963]: exiting.
Jan 19 03:47:01 localhost.localdomain network[86591]: failed.
Jan 19 03:47:01 localhost.localdomain network[86591]: [FAILED]
Jan 19 03:47:01 localhost.localdomain systemd[1]: network.service: control
process exited, code=exited status=1
Jan 19 03:47:01 localhost.localdomain systemd[1]: Failed to start LSB:
Bring up/down networking.
Jan 19 03:47:01 localhost.localdomain systemd[1]: Unit network.service
entered failed state.
Jan 19 03:47:01 localhost.localdomain systemd[1]: network.service failed.
[root at localhost network-scripts]#

[root at localhost log]#
Message from syslogd at localhost at Jan 23 02:23:31 ...
 kernel:NMI watchdog: BUG: soft lockup - CPU#3 stuck for 22s!
[ovsdb-server:10088]

[root at amer network-scripts]#
Message from syslogd at amer at Jan 27 12:46:38 ...
 kernel:NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s!
[nova-api:102738]

Message from syslogd at amer at Jan 27 19:26:19 ...
 kernel:NMI watchdog: BUG: soft lockup - CPU#5 stuck for 26s! [swapper/5:0]

Message from syslogd at amer at Jan 27 19:26:19 ...
 kernel:NMI watchdog: BUG: soft lockup - CPU#1 stuck for 27s!
[dmeventd:71548]

Message from syslogd at amer at Jan 27 19:27:30 ...
 kernel:NMI watchdog: BUG: soft lockup - CPU#5 stuck for 22s!
[6_scheduler:64928]

Message from syslogd at amer at Jan 27 19:31:25 ...
 kernel:NMI watchdog: BUG: soft lockup - CPU#5 stuck for 22s!
[ksoftirqd/5:34]

Message from syslogd at amer at Jan 27 19:32:42 ...
 kernel:NMI watchdog: BUG: soft lockup - CPU#3 stuck for 33s!
[swift-object-up:11358]

Message from syslogd at amer at Jan 27 19:33:55 ...
 kernel:NMI watchdog: BUG: soft lockup - CPU#3 stuck for 24s!
[dmeventd:71548]

Message from syslogd at amer at Jan 27 19:34:25 ...
 kernel:NMI watchdog: BUG: soft lockup - CPU#2 stuck for 65s!
[kworker/2:0:59993]

Message from syslogd at amer at Jan 27 19:37:50 ...
 kernel:NMI watchdog: BUG: soft lockup - CPU#2 stuck for 24s!
[kworker/u256:3:8447]

Message from syslogd at amer at Jan 27 19:37:50 ...
 kernel:NMI watchdog: BUG: soft lockup - CPU#5 stuck for 22s!
[ksoftirqd/5:34]

Message from syslogd at amer at Jan 27 19:37:51 ...
 kernel:NMI watchdog: BUG: soft lockup - CPU#0 stuck for 21s!
[systemd:11968]

The CPU has been disabled by the guest operating system. Power off or reset
the virtual machine.

snapshots attached
[image: Red Hat Enterprise Linux 7 64-bit (2)-2019-01-28-03-57-27.png]
[image: Red Hat Enterprise Linux 7 64-bit (2)-2019-01-28-04-26-41.png]
[image: working solution.JPG]
the last snapshot is from a successful installation of OSP 14 that
specifically says that Kernel is not compatible with Firmware (Bios).

I didn't test on Debian flavors but I think it's the same, the problem is
with RabbitMQ heart beats, when the server is disconnected it times out
causing this problem of kernel loop.

Thanks and Best regards
Amer
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