no buffer space available PROBLEM

[Wojciech Puchar]

all possible values bumped higher, netstat -m shows big reserves but i 
still sometimes get this message.


using nmap for whole subnet is quite likely to trigger this, but other 
programs too.



ifconfig interface down and then up fixes the problem for some time. any 
idea?

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NET_SendPacket ERROR: No buffer space available problem

[Mihai Tanasescu]

Hello,


I've just installed a 5.4 STABLE - Release freebsd machine and have 
setup a counter-strike server on it.


Now I'm constantly seeing things like this in my server logs:
NET_SendPacket ERROR: No buffer space available


I have stumbled upon a thread on a forum that was telling me to increase:
net.inet.udp.maxdgram=57344
kern.ipc.maxsockbuf=8388608
net.inet.udp.recvspace=84160

So I have done this, but I still get that error.

Another forum was telling me to look at the output netstat -m generates:
4294743666 mbufs in use
6235/25600 mbuf clusters in use (current/max)
0/4/6656 sfbufs in use (current/peak/max)
4150866 KBytes allocated to network
0 requests for sfbufs denied
0 requests for sfbufs delayed
0 requests for I/O initiated by sendfile
200 calls to protocol drain routines

but as far as I see I only have 6235 out of 25600 mbufs used.


Has anyone ever stumbled upon this problem and if so do you have a 
solution for it ?



Thanks,
Mihai

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