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[Bug 1402039] Re: systemd spams kernel log with debug kernel cmdline option

 

This was discussed upstream a while ago:
http://lists.freedesktop.org/archives/systemd-
devel/2014-April/018378.html

A simple "debug" indeed enables debugging for everything. If you want
only systemd debugging, use systemd.log_level=debug, if you want only
kernel debugging, use "loglevel=debug". See also "man kernel-command-
line" or "man systemd".

I really don't want to deviate from upstream for this and break existing
documentation.

** Changed in: systemd (Ubuntu)
       Status: New => Opinion

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https://bugs.launchpad.net/bugs/1402039

Title:
  systemd spams kernel log with debug kernel cmdline option

Status in systemd package in Ubuntu:
  Opinion

Bug description:
  When using Vivid on my Laptop I have the following messages in dmesg:
  [  269.561067] systemd-logind[3285]: Got message type=signal sender=org.freedesktop.DBus destination=n/a object=/org/freedesktop/DBus interface=org.freedesktop.DBus member=NameOwnerChanged cookie=30 reply_cookie=0 error=n/a
  [  269.561135] systemd-logind[3285]: Got message type=signal sender=org.freedesktop.DBus destination=n/a object=/org/freedesktop/DBus interface=org.freedesktop.DBus member=NameOwnerChanged cookie=31 reply_cookie=0 error=n/a
  [  269.564970] systemd-logind[3285]: Got message type=signal sender=:1.82 destination=:1.17 object=/org/freedesktop/systemd1 interface=org.freedesktop.systemd1.Manager member=JobRemoved cookie=4 reply_cookie=0 error=n/a
  [  269.565261] systemd-logind[3285]: Sending reply about created session: id=c3 object_path=/org/freedesktop/login1/session/c3 uid=1000 runtime_path=/run/user/1000 session_fd=18 seat= vtnr=0
  etc...

  They should be turned off as they distract from actually seeing kernel
  messages.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: systemd 215-5ubuntu2 [modified: usr/share/dbus-1/system-services/org.freedesktop.systemd1.service]
  Uname: Linux 3.18.0-rc6-next-20141125-09106-ge0b3406-dirty armv7l
  ApportVersion: 2.14.7-0ubuntu10
  Architecture: armhf
  Date: Fri Dec 12 19:59:27 2014
  SourcePackage: systemd
  UpgradeStatus: No upgrade log present (probably fresh install)

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References