elcsd problems

Rick Fairfield rcf at coco.ms.washington.edu
Wed Apr 24 09:47:01 AEST 1991


Hello:
	I am running a DS 5500 under Ultrix 4.1. The 5500 was recently
	upgraded from a 5400. Since the upgrade I am unable to keep
	elcsd running properly for more than a day.

	Here is the scenario:
	1) reboot

	2) write a test syserr message such like this:
		eli -f -l "this is test message 1"
	   uerf show this and the reboot messages correctly.

	3) anywhere from 1/2 hour to 1 day later (seems to be dependent
	   on the load - the more users the quicker the problem comes)
	   I can no longer write a test syserr message with eli and
	   I start to see messages like this on the system console:
		"Errlog Buffer Full: 221 missed messages" 
	   uerf sometimes shows something like this as the last entry:

********************************* ENTRY    10. *********************************

----- EVENT INFORMATION -----

EVENT CLASS                             OPERATIONAL EVENT
OS EVENT TYPE                  250.     ASCII MSG
SEQUENCE NUMBER                123.
OPERATING SYSTEM                        ULTRIX 32
OCCURRED/LOGGED ON                      Sat Apr 20 16:12:18 1991 PDT
OCCURRED ON SYSTEM                      coco
SYSTEM ID                 x820B1100     HW REV: x0
                                        FW REV: x11
                                        CPU TYPE: R2000A/R3000
PROCESSOR TYPE                          KN5500
MESSAGE                                 dhu0, line3: recv. fifo overflow
********************************* ENTRY    10. *********************************



	4) write another test syserr message like this:
		eli -f -l "this is test message 99"

	5) I then restart elcsd with "eli -d" followed by "eli -e" .
	   Messages start to flow again. Now uerf shows the exact message
	   from step 4) as the last entry, but other messages that were
	   sent while elcsd was stuck are gone.


	I have talked to DEC s/w support but they don't know what is the
	problem. On the advice of the DEC s/w support folks I recently
	carefully rebuilt my kernel working from the genvmunix kernel and
	running doconfig (I usually build things manually) but nothing
	seems to have changed.

	Does anyone have any ideas?


 thanks,
 Rick Fairfield
 Math Sciences Computing Center
 University of Washington
 206-685-2303
 rcf at ms.washington.edu



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