From owner-freebsd-questions  Mon Apr 27 22:01:45 1998
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To: scanner@apricot.com
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Subject: Re: lockups on machine with NFS writes to itself.. 
In-reply-to: Your message of "Mon, 27 Apr 1998 20:35:31 PDT."
             <199804280335.UAA03664@ryoohki.apricot.com> 
From: David Greenman <dg@root.com>
Reply-To: dg@root.com
Date: Mon, 27 Apr 1998 22:01:37 -0700
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>Apr 27 12:49:19 kamidake /kernel: Out of mbuf clusters - increase maxusers!
>
>I had already (before this) increased MAXUSERS to be 20. Is this
>indeed the problem? Should I up MAXUSERS again? If so, how far? 

   In your case, maxusers probably isn't the best solution. Instead, add
this to your kernel config file:

options "NMBCLUSTERS=2000"

>Did it not used to, if it fsck'd /, reboot then to do the remount?

   In the 4.3BSD days, yes. 4.4BSD has the ability to re-mount the root
filesystem without rebooting. I haven't seen the problem you're describing
with the clean flag, however.


-DG

David Greenman
Co-founder/Principal Architect, The FreeBSD Project

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