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Date:      Thu, 05 Feb 1998 10:52:44 -0800
From:      David Greenman <dg@root.com>
To:        Rob Miracle <rwm@MPGN.COM>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: Memory Problem 
Message-ID:  <199802051852.KAA00288@implode.root.com>
In-Reply-To: Your message of "Thu, 05 Feb 1998 13:19:28 EST." <199802051819.NAA12896@Central.KeyWest.MPGN.COM> 

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>I have a remote machine that just had a new 128M of memory added, bringing
>the total up to 384M.  I rebuilt the kernel remotely to recognize the
>memory and when it reboots I get the following error (phoned it by the
>people on site)
>
>real memory=402653184 (393216K bytes)
>kmem_suballoc: bad status return of 3
>panic: kmem_suballoc
>Automatic reboot in 15 seconds
>
>Bad memory?

   No, it's caused by running out of kernel VM. The system must be carefully
tuned in order to run with that much memory. If you have bounce-buffers
configured, take that out. Also take out anything else you don't need and
be careful with options like NMBCLUSTERS and maxusers.

-DG

David Greenman
Core-team/Principal Architect, The FreeBSD Project



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