2007/12/18, Fabio Margarido <[EMAIL PROTECTED]>:
> I'm getting a bunch of these after a large number of calls in my application:
>
> tport_vsend(0x81276a8): No buffer space available with (s=9
> UDP/10.40.0.9:5060)\par
> incoming_reply: tport_tsend: error (No buffer space available) while
> sending 183 Session Progress for INVITE (1)\par
The UDP socket has run out of buffer space. Manual page for sendmsg() says
ENOBUFS
The output queue for a network interface was full. This gener-
ally indicates that the interface has stopped sending, but may
be caused by transient congestion. (Normally, this does not
occur in Linux. Packets are just silently dropped when a device
queue overflows.)
>From my recollection of Linux nw code the sentence in parenthesis is
no longer true.
You can use tport tags TPTAG_UDP_RMEM() and TPTAG_UDP_WMEM() to adjust
the amount of buffer space. On Linux systems, you should also consider
adjusting rmem and wmem sysctls.
--Pekka
--
Pekka.Pessi mail at nokia.com
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