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False call for need to restart NetworkManager on RHEL8 #211

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thomas-merz opened this issue Mar 22, 2024 · 4 comments
Open

False call for need to restart NetworkManager on RHEL8 #211

thomas-merz opened this issue Mar 22, 2024 · 4 comments

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@thomas-merz
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thomas-merz commented Mar 22, 2024 •
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On some of my RHEL8 VMs tracer -ea says that I should restart NetworkManager:

You should restart:
  * Some applications using:
      sudo systemctl restart NetworkManager

I really can't find any reason for this (no updates at all), so is this a false call or how can I check what is causing this? Doing something like lsof | grep -i deleted | sort -r -s -n -k 7 | head -10 gives me no clue related to any NetworkManager related… 🤷🏼‍♂️

I'm using python3-tracer-0.7.8-1.el8.noarch - but also with latest release 1.1 it's the same result…
@thomas-merz thomas-merz changed the title False call for need to restart NetworkManager on RHEL False call for need to restart NetworkManager on RHEL8 Mar 22, 2024
@thomas-merz
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@FrostyX , do you have noticed this issue yet?

@FrostyX
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FrostyX commented Sep 26, 2024

Hello @thomas-merz,
sorry for the late reply, I must have missed the report.

I really can't find any reason for this (no updates at all), so is this a false call or how can I check what is causing this?

You can try to debug like this:

Print more information about NetworkManager:

$ sudo tracer -ea -s NetworkManager -vv
* NetworkManager
    Package:     NetworkManager
    Description: Network connection manager and user applications
    Type:        Daemon
    State:       NetworkManager has been started by root 11 days ago. PID - 1689

    Affected by:
        zlib-ng-compat
            /usr/lib64/libz.so
        zlib-ng-compat-devel
            /usr/lib64/libz.so

    How to restart:
        sudo systemctl restart NetworkManager

You can see that, on my computer, Tracer thinks it was affected by the zlib-ng-compat and zlib-ng-compat-devel packages (and the specific files provided by those packages). Then you can see when Tracer thinks they were updated:

$ sudo tracer --show-resource packages |grep zlib-ng-compat
2024-09-17     06:50     zlib-ng-compat
2024-09-17     06:50     zlib-ng-compat-devel

Then you can verify whether the information is correct or there is a bug somewhere.

@thomas-merz
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Hi @FrostyX , I did what you suggest and I got this:

You should restart:
  * Some applications using:
      sudo systemctl restart NetworkManager
* NetworkManager
    Package:     NetworkManager
    Description: Network connection manager and user applications
    Type:        Daemon
    State:       NetworkManager has been started by root 81 days ago. PID - 1306

    Affected by:
        NetworkManager
            /usr/sbin/NetworkManager
            /usr/lib64/NetworkManager/1.40.16-15.el8_9/libnm-settings-plugin-ifcfg-rh.so

    How to restart:
        sudo systemctl restart NetworkManager

These files are much older than uptime:

$ ll /usr/lib64/NetworkManager/1.40.16-15.el8_9/libnm-settings-plugin-ifcfg-rh.so /usr/sbin/NetworkManager
-rwxr-xr-x 1 root root  306560 2024-02-15_12:25:34 /usr/lib64/NetworkManager/1.40.16-15.el8_9/libnm-settings-plugin-ifcfg-rh.so*
-rwxr-xr-x 1 root root 3579408 2024-02-15_12:25:34 /usr/sbin/NetworkManager*

Plus:

$ sudo tracer --show-resource packages NetworkManager|ack ^2024
2024-07-07     09:40     NetworkManager
2024-09-03     09:20     ack
2024-09-02     10:12     aopalliance
2024-09-02     10:12     apache-commons-cli
2024-09-02     10:13     apache-commons-cli
2024-09-02     10:12     apache-commons-codec
2024-09-02     10:13     apache-commons-codec
2024-09-02     10:12     apache-commons-io
2024-09-02     10:13     apache-commons-io
2024-09-02     10:12     apache-commons-lang3
2024-09-02     10:13     apache-commons-lang3
2024-09-02     10:12     apache-commons-logging
2024-09-02     10:12     atinject
2024-09-02     10:13     atinject
2024-07-09     09:52     auditbeat
2024-09-02     10:12     cdi-api
2024-09-02     10:13     cdi-api
2024-09-03     09:20     fd-find
2024-07-09     09:51     filebeat
2024-09-02     10:12     geronimo-annotation
2024-09-02     10:12     glassfish-el-api
2024-09-02     10:12     google-guice
2024-09-02     10:13     google-guice
2024-09-02     10:13     guava
2024-09-02     10:12     guava20
2024-09-02     10:12     hawtjni-runtime
2024-07-09     17:50     haxm
2024-09-02     10:12     httpcomponents-client
2024-09-02     10:13     httpcomponents-client
2024-09-02     10:12     httpcomponents-core
2024-09-02     10:13     httpcomponents-core
2024-09-02     10:13     jakarta-annotations
2024-09-02     10:12     jansi
2024-09-02     10:13     jansi
2024-09-02     10:12     jansi-native
2024-07-07     09:40     java-1.8.0-openjdk
2024-07-07     09:40     java-1.8.0-openjdk-devel
2024-07-07     09:40     java-1.8.0-openjdk-headless
2024-09-02     10:12     jboss-interceptors-1.2-api
2024-09-02     10:12     jcl-over-slf4j
2024-09-02     10:13     jcl-over-slf4j
2024-09-02     10:12     jsoup
2024-09-02     10:13     jsr-305
2024-08-15     09:35     katello-ca-consumer-foreman-pulp.dm-drogeriemarkt.com
2024-09-02     10:12     maven
2024-09-02     10:13     maven
2024-09-02     10:12     maven-lib
2024-09-02     10:13     maven-lib
2024-09-02     10:13     maven-openjdk17
2024-09-02     10:13     maven-resolver
2024-09-02     10:12     maven-resolver-api
2024-09-02     10:12     maven-resolver-connector-basic
2024-09-02     10:12     maven-resolver-impl
2024-09-02     10:12     maven-resolver-spi
2024-09-02     10:12     maven-resolver-transport-wagon
2024-09-02     10:12     maven-resolver-util
2024-09-02     10:12     maven-shared-utils
2024-09-02     10:13     maven-shared-utils
2024-09-02     10:13     maven-wagon
2024-09-02     10:12     maven-wagon-file
2024-09-02     10:12     maven-wagon-http
2024-09-02     10:12     maven-wagon-http-shared
2024-09-02     10:12     maven-wagon-provider-api
2024-07-09     09:52     metricbeat
2024-09-03     09:20     perl-File-Next
2024-09-03     09:20     perl-version
2024-09-02     10:12     plexus-cipher
2024-09-02     10:13     plexus-cipher
2024-09-02     10:12     plexus-classworlds
2024-09-02     10:13     plexus-classworlds
2024-09-02     10:12     plexus-containers-component-annotations
2024-09-02     10:13     plexus-containers-component-annotations
2024-09-02     10:12     plexus-interpolation
2024-09-02     10:13     plexus-interpolation
2024-09-02     10:12     plexus-sec-dispatcher
2024-09-02     10:13     plexus-sec-dispatcher
2024-09-02     10:12     plexus-utils
2024-09-02     10:13     plexus-utils
2024-09-02     10:12     publicsuffix-list
2024-09-02     10:13     publicsuffix-list
2024-09-02     10:13     sisu
2024-09-02     10:12     sisu-inject
2024-09-02     10:12     sisu-plexus
2024-09-02     10:12     slf4j
2024-09-02     10:13     slf4j

@thomas-merz
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NetworkManager has been updated 2024-07-07T09:02

$ sudo ack NetworkManager /var/log/dnf.*
/var/log/dnf.rpm.log.1
16172:2024-07-07T09:02:00+0200 SUBDEBUG Upgrade: NetworkManager-libnm-1:1.40.16-15.el8_9.x86_64
16212:2024-07-07T09:02:37+0200 SUBDEBUG Upgrade: NetworkManager-initscripts-updown-1:1.40.16-15.el8_9.noarch
16213:2024-07-07T09:02:37+0200 SUBDEBUG Upgrade: NetworkManager-1:1.40.16-15.el8_9.x86_64
16216:2024-07-07T09:02:38+0200 SUBDEBUG Upgrade: NetworkManager-team-1:1.40.16-15.el8_9.x86_64
16217:2024-07-07T09:02:38+0200 SUBDEBUG Upgrade: NetworkManager-tui-1:1.40.16-15.el8_9.x86_64
16256:2024-07-07T09:02:45+0200 SUBDEBUG Upgraded: NetworkManager-tui-1:1.40.16-13.el8_9.x86_64
16277:2024-07-07T09:02:47+0200 SUBDEBUG Upgraded: NetworkManager-team-1:1.40.16-13.el8_9.x86_64
16278:2024-07-07T09:02:47+0200 SUBDEBUG Upgraded: NetworkManager-1:1.40.16-13.el8_9.x86_64
16280:2024-07-07T09:02:47+0200 SUBDEBUG Upgraded: NetworkManager-libnm-1:1.40.16-13.el8_9.x86_64
16285:2024-07-07T09:02:47+0200 SUBDEBUG Upgraded: NetworkManager-initscripts-updown-1:1.40.16-13.el8_9.noarch

And host has been rebooted after update:

$ last -x | ack eboot
reboot   system boot  4.18.0-513.24.1. Sun Jul  7 09:14   still running
reboot   system boot  4.18.0-513.24.1. Sun Jul  7 09:11 - 09:14  (00:02)
reboot   system boot  4.18.0-513.24.1. Sun Jul  7 09:08 - 09:11  (00:02)

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@FrostyX @thomas-merz