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Re: UDP multicast packet loss not reported if TX ring overrun?

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From: Christoph Lameter
Subject: Re: UDP multicast packet loss not reported if TX ring overrun?
Date: Tuesday, August 25, 2009 - 10:53 am

Manpage for send says:

ENOBUFS
              The output queue for a network interface was full.  This generally 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.)


So ENOBUFS seems to be designed to have the role that you envision. We
just need to remove the statement in (). Its still a change in behavior
though.




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Messages in current thread:
UDP multicast packet loss not reported if TX ring overrun?, Christoph Lameter, (Mon Aug 17, 1:01 pm)
Re: UDP multicast packet loss not reported if TX ring overrun?, Nivedita Singhvi, (Mon Aug 17, 1:40 pm)
Re: UDP multicast packet loss not reported if TX ring overrun?, Christoph Lameter, (Mon Aug 17, 1:46 pm)
Re: UDP multicast packet loss not reported if TX ring overrun?, Sridhar Samudrala, (Mon Aug 17, 2:50 pm)
Re: UDP multicast packet loss not reported if TX ring overrun?, Christoph Lameter, (Mon Aug 17, 3:13 pm)
Re: UDP multicast packet loss not reported if TX ring overrun?, Sridhar Samudrala, (Mon Aug 17, 3:43 pm)
Re: UDP multicast packet loss not reported if TX ring overrun?, Christoph Lameter, (Mon Aug 17, 3:52 pm)
Re: UDP multicast packet loss not reported if TX ring overrun?, Christoph Lameter, (Mon Aug 17, 3:57 pm)
Re: UDP multicast packet loss not reported if TX ring overrun?, Sridhar Samudrala, (Mon Aug 17, 5:12 pm)
Re: UDP multicast packet loss not reported if TX ring overrun?, Christoph Lameter, (Mon Aug 17, 5:25 pm)
Re: UDP multicast packet loss not reported if TX ring overrun?, Christoph Lameter, (Mon Aug 24, 10:40 am)
Re: UDP multicast packet loss not reported if TX ring overrun?, Eric Dumazet, (Mon Aug 24, 3:02 pm)
Re: UDP multicast packet loss not reported if TX ring overrun?, Sridhar Samudrala, (Mon Aug 24, 3:36 pm)
Re: UDP multicast packet loss not reported if TX ring overrun?, Eric Dumazet, (Mon Aug 24, 4:14 pm)
Re: UDP multicast packet loss not reported if TX ring overrun?, Eric Dumazet, (Mon Aug 24, 11:46 pm)
Re: UDP multicast packet loss not reported if TX ring overrun?, Christoph Lameter, (Tue Aug 25, 6:45 am)
Re: UDP multicast packet loss not reported if TX ring overrun?, Christoph Lameter, (Tue Aug 25, 6:46 am)
Re: UDP multicast packet loss not reported if TX ring overrun?, Eric Dumazet, (Tue Aug 25, 6:48 am)
Re: UDP multicast packet loss not reported if TX ring overrun?, Christoph Lameter, (Tue Aug 25, 6:48 am)
Re: UDP multicast packet loss not reported if TX ring overrun?, Christoph Lameter, (Tue Aug 25, 7:00 am)
Re: UDP multicast packet loss not reported if TX ring overrun?, Eric Dumazet, (Tue Aug 25, 8:32 am)
Re: UDP multicast packet loss not reported if TX ring overrun?, Christoph Lameter, (Tue Aug 25, 8:35 am)
Re: UDP multicast packet loss not reported if TX ring overrun?, Eric Dumazet, (Tue Aug 25, 8:58 am)
Re: UDP multicast packet loss not reported if TX ring overrun?, Christoph Lameter, (Tue Aug 25, 9:11 am)
Re: UDP multicast packet loss not reported if TX ring overrun?, Eric Dumazet, (Tue Aug 25, 9:27 am)
Re: UDP multicast packet loss not reported if TX ring overrun?, Christoph Lameter, (Tue Aug 25, 9:36 am)
Re: UDP multicast packet loss not reported if TX ring overrun?, Eric Dumazet, (Tue Aug 25, 9:48 am)
Re: UDP multicast packet loss not reported if TX ring overrun?, Christoph Lameter, (Tue Aug 25, 10:01 am)
Re: UDP multicast packet loss not reported if TX ring overrun?, Eric Dumazet, (Tue Aug 25, 10:08 am)
Re: UDP multicast packet loss not reported if TX ring overrun?, Christoph Lameter, (Tue Aug 25, 10:44 am)
Re: UDP multicast packet loss not reported if TX ring overrun?, Christoph Lameter, (Tue Aug 25, 10:53 am)
Re: UDP multicast packet loss not reported if TX ring overrun?, Sridhar Samudrala, (Tue Aug 25, 11:38 am)