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Memory problems (2)

daemon@ATHENA.MIT.EDU (John Horne)
Mon Oct 26 05:28:00 1998

Date: Mon, 26 Oct 1998 10:27:23 -0000 (GMT)
From: John Horne <J.Horne@plymouth.ac.uk>
To: redhat-list@redhat.com
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com

I didn't see the original message for the above subject, but here's the
problem I have...

I was running RH5.1 with 40MB of memory with no problems. I replaced 8MB with
2 16MB SIMMS, thus making a total of 64MB (4x16MB). No problem - the memory
was all the same type, although not the same manufacturer.

Booting RH again resulted in the system crashing after INIT with the message
(or rather something like since I am at work at present):

   INIT: PANIC: Segmentation violation!

The system then hangs up (somewhat expectedly I guess). I booted up Windoze
95 (still needed for my work documentation I'm afraid), and it came up fine.
The system post test reports 64MB no problem as well. MSD shows 64MB.

So, why not RH? The only way round this has been to add a 'mem=32MB' to lilo,
but I shouldn't need this surely. I've looked through the archives and FAQ
but found nothing like this - so no flames about the 64MB limit and using the
mem option - I shouldn't need it. (I did try adding 'mem=64MB' but that made
no difference). Trying to boot to a different init level made no difference
(I usually use 5, tried 3). Booting to single user works though!

Is there any way I can 'test' the memory chips at single user (or even multi-
user) level? What gives with Windoze working but RH not?

John.

-----------------------------------------------------------------------------
John Horne                                     E-mail: J.Horne@plymouth.ac.uk
Academic and Information Services              Phone :  +44 (0) 1752 - 233914
University of Plymouth, UK                     Fax   :  +44 (0) 1752 - 233919


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