PLATFORM
Server – Operating Systems –Sun Solaris 5.10 Generic_147440-12 sun4v SPARC
PROBLEM STATEMENT
X Manager not able Login – X Manager window terminated automatically - Fatal server error: Init Output: Error loading module for /dev/fb
SUMMARY
1. While try to logging into solaris system though X Manager window get automatically closed
Error logs:
#tail -f /var/dt/Xerrors
Fatal server error:
InitOutput: Error loading module for /dev/fb
XIO: fatal IO error 146 (Connection refused) on X server ":0.0"
after 0 requests (0 known processed) with 0 events remaining.
Sun Jan 6 11:32:03 2013
error (pid 26492): Server for display :0 can't be started.
Warning: Null child found in argument list to unmanage
PROBLEM CAUSE
This fatal X server error message indicates that /dev/fb, the "dumb frame buffer," is either missing or corrupted. It is usually followed by a "giving up" message and a few xinit(1) errors.
SOLUTION
1. If other devices on the system are not working correctly, the system might have a corrupt /devices directory.
2. Halt the system and boot using the -r (reconfigure) option. The system will run fsck(1M) if the /devices Filesystem is corrupted,
3. The problem has been resolved and now able to login into the X Manager and working fine
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