Re: [Openvpn-users] UDPv4 No buffer space available error (FAQ does not help)

[Giancarlo Razzolini <linux-fan@xxxxxxxxxxx>]

Peter Rabbitson wrote:
> Greetings
> 
> I have set up a /dev/tun tunnel and everything works marvelously except 
> for the annoying messages: write UDPv4 []: No buffer space available 
> (code=105). I did what the FAQ suggested and increased my  
> /proc/sys/vm/min_free_kbytes to 16384 (which is rather fat) and still 
> get the same message with the same relative frequency. 
> Google does not turn anything up on the subject. Do you gous have any 
> ideas?
> 
> Thanks
> 
> Peter
> 
> rabbit@Arx:~$ uname -a
> Linux Arx 2.6.14.2 #1 Sat Nov 12 15:14:55 EST 2005 i586 GNU/Linux
> 
> rabbit@Arx:~$ /usr/sbin/openvpn --version
> OpenVPN 2.0.6 i486-pc-linux-gnu [SSL] [LZO] [EPOLL] built on Apr  5 2006
> Developed by James Yonan
> Copyright (C) 2002-2005 OpenVPN Solutions LLC <info@xxxxxxxxxxx>
> 
> 
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> 

This problem happened to me some times, and all of them were related to
bad hardware associated with irq conflicts. Get a dmesg on your linux,
and see if some of your network cards are sharing the irq with some
other device. And test some other programs, such as ping, to see if the
same error appear.

My 2 cents,
-- 
Giancarlo Razzolini
Linux User 172199
Moleque Sem Conteudo Numero #002
Slackware Current
OpenBSD Stable
Snike Tecnologia em Informática
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