Selftest-#megs=## EEPROM attribute bug???

Kris Olander kriso at lombard.dartmouth.edu
Tue Mar 19 03:28:00 AEST 1991


We keep getting some kernel panics on one of our Sparcstation1s running
4.0.3 with some reference to memory errors.  When I look at the EEPROM
parameters, I see 'selftest-#megs=1'.  We have 16 meg of RAM in all our
Sparc1s so I set this EEPROM parameter to 16 and run the monitor level
memory test.  The test always fails with a 'memory alignment error'.  

It turns out, that any other valid RAM value except 'selftest-#megs=1'
fails with the same error message.

I tested this on our other Sun4/80s and came up with the same results.
Can some kind soul explain what's going on here?  Does the Sun4/80 memory
test only test 1 meg of RAM regardless of how much memory is installed?

Is there a better way to test for bad RAM?

Kris Olander
--------------kris.olander at dartmouth.edu----------------



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