How to enable Xorg debug log verbosity when using GDM

Solution Verified - Updated -

Issue

  • An in-house X application is crashing Xorg/GDM and I need to increase the log verbosity in /var/log/Xorg.*.log to analyse the cause.

Environment

  • Red Hat Enterprise Linux (RHEL) 5 with GNOME Display Manager (GDM)
  • Red Hat Enterprise Linux (RHEL) 6 with GNOME Display Manager (GDM)

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