Date: Wed, 28 Nov 2007 19:30:01 +0100 From: Jan Srzednicki <w@wrzask.pl> To: Julian Elischer <julian@elischer.org> Cc: freebsd-net@freebsd.org, freebsd-stable@freebsd.org Subject: Re: connect() returns EADDRINUSE during massive host->host conn rate Message-ID: <20071128183001.GQ2045@oak.pl> In-Reply-To: <474DB1D0.3010100@elischer.org> References: <20071127135320.GJ2045@oak.pl> <474DB1D0.3010100@elischer.org>
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On Wed, Nov 28, 2007 at 10:22:08AM -0800, Julian Elischer wrote: > Jan Srzednicki wrote: >> Hello, >> I have a pair of hosts. One of them performs a massive amount of >> TCP connections to the other one, all to the same port. This setup >> mostly works fine, but from time to time (that varies, from once a >> minute to one a half an hour), the connect(2) syscall fails with >> EADDRINUSE. The connection rate tops to 50 connection > > so, what does netstat -aAn show? How can I get any usable information from netstat? It shows a bunch of connections, of course, but since connect(2) failed, I have no idea what local port I was trying to use. And, what I forgot to mention, it's a SMP box, which could matter in case of some race condition. -- Jan Srzednicki :: http://wrzask.pl/ "Remember, remember, the fifth of November" -- V for Vendetta
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