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To: ROBIN@ptnsct.nis.za (Robin Hunt)
cc: bugs@FreeBSD.org
Subject: Re: MB_MAP FULL SYSTEM CRASH 
In-reply-to: Your message of "Mon, 27 Feb 95 09:13:39 +0200."
             <950227091339.62c5@ptnsct.nis.za> 
From: David Greenman <davidg@Root.COM>
Reply-To: davidg@Root.COM
Date: Sun, 26 Feb 1995 23:19:23 -0800
Sender: bugs-owner@FreeBSD.org
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>We have recently upgraded our 386DX-40 (shew!) motherboard to a 486-DX2 88
>.otherboard with 16 meg of RAM. The kernel is compiled for 386/486/586 support/
>
>We installed a further 16 meg of ram, but the machine started saying 
>Page fault in kernel mode, and rebooted. We removed the extra 16 meg of
>RAM.


   What type of disk controller are you using?

>Now the old girl occasionaly (on a whim) says: "MB_MAP FULL" and crashes 
>completely so it has to be reset.

   The mb_map full message is only generated once and is just informational.
Are you sure that the panic occurs just after this appears, or is it possible
that it occurred sometime earlier?

>Any ideas to help?

   I need more information before I can help. I need the panic message and any
additional information that may be printed before it.

-DG