[Openvpn-devel] No buffer space available (code=105)

[Openvpn-devel] No buffer space available (code=105)

[Julien TOUCHE]

Recently, i gate the following error with openvpn 1.5

un Jan 11 21:29:40 2004 554: write UDPv4 []: No buffer space available 
(code=105)
Sun Jan 11 21:29:40 2004 555: write UDPv4 []: No buffer space available 
(code=105)
Sun Jan 11 21:29:42 2004 556: 352 variation(s) on previous 3 message(s) 
suppressed by --mute
Sun Jan 11 21:29:42 2004 557: Adaptive compression state OFF
Sun Jan 11 21:29:42 2004 558: write UDPv4 []: No buffer space available 
(code=105)
Sun Jan 11 21:29:42 2004 559: write UDPv4 []: No buffer space available 
(code=105)
Sun Jan 11 21:29:42 2004 560: write UDPv4 []: No buffer space available 
(code=105)

and tcpdump shows a lot of frag whereas there is no traffic ...

20:31:38.484979 10.0.1.1.16884 > 10.0.1.2.16884:  udp 204 (DF) (ttl 64, 
id 0, len 232)
20:31:38.489019 10.0.1.1.16884 > 10.0.1.2.16884:  udp 1292 (frag 
64509:1232@...150...+) (ttl 64, len 1252)
20:31:38.491403 10.0.1.1 > 10.0.1.2: (frag 64509:68@...151...) (ttl 64, len 88)
20:31:38.497492 10.0.1.1.16884 > 10.0.1.2.16884:  udp 1292 (frag 
64510:1232@...150...+) (ttl 64, len 1252)
20:31:38.499898 10.0.1.1 > 10.0.1.2: (frag 64510:68@...151...) (ttl 64, len 88)

any ideas ?

Regards

		Julien

Re: [Openvpn-devel] No buffer space available (code=105)

[Julien TOUCHE]

in fact, complete log show this:

Fri Jan 16 22:48:39 2004 40: Peer Connection Initiated with 
81.50.152.188:16883
Fri Jan 16 22:48:39 2004 41: Peer Connection Initiated with 10.0.1.26:16883
Fri Jan 16 22:48:39 2004 42: Peer Connection Initiated with 
81.50.152.188:16883
Fri Jan 16 22:48:39 2004 43: Peer Connection Initiated with 10.0.1.26:16883
Fri Jan 16 22:48:39 2004 44: Authenticate/Decrypt packet error: bad 
packet ID (may be a replay): [ #11695541 / time = (1
074289048) Fri Jan 16 22:37:28 2004 ] -- see the man page entry for 
--no-replay and --replay-window for more info
Fri Jan 16 22:48:39 2004 45: Peer Connection Initiated with 
81.50.152.188:16883
Fri Jan 16 22:48:39 2004 46: Peer Connection Initiated with 10.0.1.26:16883
Fri Jan 16 22:48:48 2004 47: write UDPv4 []: No buffer space available 
(code=105)
Fri Jan 16 22:48:48 2004 48: write UDPv4 []: No buffer space available 
(code=105)

seems it try to connect to vpn external (remote) and internal (specified 
by ifconfig) ip ...
the remote host is specified in a configuration file which had not been 
changed sinced 1.4 (maybe extra mute & log-append but that's all)

i get it on another link with no extra use of cpu and strange frag traffic
but connection is no more reliable

both side are linux 2.4 (openvpn 1.5 and 1.6b1 <-> 1.5b11; will try with 
1.5)

Regards

		Julien

Re: [Openvpn-devel] No buffer space available (code=105)

[Julien TOUCHE]

solved, too much 'float' in conf
sorry for noise

Regards

		Julien