gdm outputs the error "gdm_session_direct_set_environment_variable: assertion `value != NULL' failed"
Environment
- Red Hat Enterprise Linux
- GNOME Desktop Environment
- XDMCP
Issue
- gdm outputs the following error:
gdm-simple-slave[26893]: CRITICAL: gdm_session_direct_set_environment_variable: assertion `value != NULL' failed
Resolution
This is specific error when using XDMCP, it does not affect a system. You can safely ignore this message.
Root Cause
The error is caused by XDMCP.
The error shows that NULL value was included in variables when gdm-simple-slave
process forked from gdm
set environment variables for desktop environment.
The environment variable of a process forked from gdm
is NULL, because gdm
starting from XDMCP cannot derive WINDOWPATH environment variable from existing Xorg
process.
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