Date: Fri, 11 Dec 2009 12:29:28 +0200 From: Eugene Perevyazko <john@dnepro.net> To: freebsd-net@freebsd.org Subject: How can I find the reason network writes fail with ENOMEM on 7.x? Message-ID: <20091211102928.GA40831@traktor.dnepro.net>
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I'm getting network write failures on a host running 7.2-PRERELEASE (I know, I should update it to STABLE, but I've heard of similar reports on 7-S too) Failures are expressed for example in BIND named[72084]: /usr/src/lib/bind/isc/../../../contrib/bind9/lib/isc/unix/socket.c:1567: unexpected error: named[72084]: internal_send: 192.168.71.91#1049: Cannot allocate memory named[72084]: client 192.168.71.91#1049: error sending response: out of memory and on ssh session spontaneously breaking with "Write failed: Cannot allocate memory" Frequency of those failures clearly correlates with network load for the host, which is mainly doing dummynet and ng_nat. How can I find what to tune in this case? -- Eugene Perevyazko
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