udev debugging during system boot

  • 7000506
  • 28-May-2008
  • 30-Apr-2012

Environment

Novell openSUSE 10.3
Novell openSUSE 10.2
Novell SUSE Linux Enterprise Desktop 10
Novell SUSE Linux Enterprise Server 10
Novell SUSE Linux Enterprise Server 9
Novell Open Enterprise Server (OES) Support Pack 1 Linux
Novell Open Enterprise Server (Linux based)

Situation

During system startup, there are problems with the hardware detection which need to be analysed.

Resolution

The value for the udev log level can be set in the udev configuration file /etc/udev/udev.conf. The default setting is:

udev_log="err"

Change the value from "err" to "debug" and reboot. After the boot has finished, the verbose messages from udevd can be found in /var/log/messages. If needed, the log level can be set back to the default for the running session through

udevcontrol log_priority=err

To permanently set it back to the default, edit /etc/udev/udev.conf again.

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