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I have an issue with ClearOS that i have never seen before. ClearOS is the heart of my network (dns/dhcp/router to internet, firewall etc) so when this issue occurs, my network stops working, no internet, everything comes to a halt,

At some point this was shown in a terminal....
Message from syslogd@mail at Nov 27 12:45:26 ...
kernel:NMI watchdog: BUG: soft lockup - CPU#1 stuck for 671s! [smbclient:10056]
hls
-bash: hls: command not found
[root@mail ~]#
Message from syslogd@mail at Nov 27 12:45:49 ...
kernel:NMI watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [smbd:3465]

Message from syslogd@mail at Nov 27 12:46:17 ...
kernel:NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [rs:main Q:Reg:31356]


After some time (more than 10 minutes) it all startks working again, but a it later it stops...

I have no clue where to star looking. /var/log/system does not show any issues
Disks do not show an errors, no filesystems full , no reports of hardware / memory failures...

--
ClearOS release 7.9.1 (Final)
Linux mail.familie-dokter.lan 3.10.0-1160.45.1.el7.x86_64 #1 SMP Wed Oct 13 17:20:51 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
In Support
Saturday, November 27 2021, 04:02 PM
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Responses (3)
  • Accepted Answer

    Saturday, December 11 2021, 04:37 PM - #Permalink
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    have not seen it happen again.. Not sure what happened but no reason to investigate any further..
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  • Accepted Answer

    Monday, November 29 2021, 07:36 PM - #Permalink
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    Clearos is running in ESXI so after it happened I rebooted the clearos VM and had another 2 occurrences, yesterday I rebooted the complete system (so the hardware esxi is running on) and since then the system has been running like a charm.... the last couple of weeks the clearos system is the only vm actually running on my system..
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  • Accepted Answer

    Saturday, November 27 2021, 04:37 PM - #Permalink
    Resolved
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    Definitely not normal. Does it happen if you boot to an older kernel?
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