udev debugging during system boot

This document (7000506) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise Desktop 10
SUSE Linux Enterprise Server 10
 

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.

Disclaimer

This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:7000506
  • Creation Date: 28-May-2008
  • Modified Date:25-Feb-2021
    • SUSE Linux Enterprise Desktop
    • SUSE Linux Enterprise Point of Service
    • SUSE Linux Enterprise Real Time
    • SUSE Linux Enterprise Server

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