https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=230187
Bug ID: 230187
Summary: Hardware clock freezes until ntpd is killed on
11.1-RELEASE-p0
Product: Base System
Version: 11.2-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: b...@freebsd.org
Reporter: danmcgrath...@gmail.com
Created attachment 195628
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=195628&action=edit
dmesg output and example ntp related tests
I have a Dell Poweredge 410 that seems to be having some clock problems. I have
noticed the occasional interruptions in Zabbix charts in the past on previous
FreeBSD versions, but since upgrading to 11.2-p0, the problem has gotten to the
point where the clock freezes entirely and blocks disk IO and various
processes. Even the "data" command refuses to increment (see attached file).
I can probably stop ntpd entirely, but it would be nice to get some possible
debug type commands to run so that I can try get to the bottom of why ntpd is
stopping the clock on this one server. I used to have LOCAL(0) stratum 10 local
source enabled, but disabling this had no effect.
I'm open to suggestions! Thanks.
=====
FreeBSD hostname.tld 11.2-RELEASE FreeBSD 11.2-RELEASE #0 r335856: Mon Jul 2
13:27:01 CEST 2018 r...@hostname.tld:/usr/obj/usr/src/sys/ALTQ amd64
(the ALTQ kernel runs on a half dosen other machines on 11.2 as well)
#> less ~/kernels/ALTQ
#
# ALTQ -- Based on Generic kernel configuration file for FreeBSD/amd64
#
include GENERIC
# ALTQ support -- troubled
options ALTQ # Enable ALTQ
options ALTQ_CBQ # Build the ``Class Based Queuing'' discipline
options ALTQ_RED # Build the ``Random Early Detection''
extension
options ALTQ_RIO # Build ``Random Early Drop'' for input and
output
options ALTQ_HFSC # Build the ``Hierarchical Packet Scheduler''
discipline
options ALTQ_PRIQ # Build the ``Priority Queuing'' discipline
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