From owner-freebsd-net@FreeBSD.ORG  Tue Oct 18 10:41:27 2005
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Date: Tue, 18 Oct 2005 12:39:41 +0200
From: Ragnar Lonn <raglon@packetfront.com>
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To: Ruslan Ermilov <ru@FreeBSD.org>
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Cc: freebsd-net@FreeBSD.org
Subject: Re: ngctl: send msg: No buffer space available
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Ruslan Ermilov wrote:

>On Tue, Oct 18, 2005 at 10:52:49AM +0200, Ragnar Lonn wrote:
>  
>
>>Hi all,
>>
>>I've run into the above problem with Netgraph on a FreeBSD 4.11 system. 
>>I know there
>>are sysctl's (net.graph.recvspace and net.graph.maxdgram) you can set in 
>>5.x but how
>>can I get around this problem on a 4.x machine where these sysctl 
>>variables dont exist?
>>
>>    
>>
>They do exist for sure:
>
>Perhaps the ng_socket.ko module isn't loaded?
>
>  
>

Oops.
"kldload ng_socket" made things a lot better, thanks :)
I was a bit perplexed as I checked the ng_socket code and saw it reading 
those
variables but I couldn't set them with sysctl. Didn't think about 
checking whether
the module was actually loaded...

  /Ragnar