From owner-freebsd-current@FreeBSD.ORG Mon Jun 14 08:58:16 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 44E1116A4CE for ; Mon, 14 Jun 2004 08:58:16 +0000 (GMT) Received: from mailhost.freebsd.lublin.pl (mailhost.freebsd.lublin.pl [193.138.118.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id 57A3443D55 for ; Mon, 14 Jun 2004 08:58:15 +0000 (GMT) (envelope-from venglin@freebsd.lublin.pl) Received: from freebsd.lublin.pl (venglin@lagoon.freebsd.lublin.pl [193.138.118.3])i5E8vh19043650 for ; Mon, 14 Jun 2004 10:57:43 +0200 (CEST) (envelope-from venglin@freebsd.lublin.pl) Message-ID: <40CD6862.20608@freebsd.lublin.pl> Date: Mon, 14 Jun 2004 10:57:06 +0200 From: Przemyslaw Frasunek Organization: czuby.net User-Agent: Mozilla Thunderbird 0.5 (X11/20040306) X-Accept-Language: en-us, en MIME-Version: 1.0 To: freebsd-current@freebsd.org X-Enigmail-Version: 0.83.2.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamd / ClamAV version 0.70, clamav-milter version 0.70j Subject: em(4) dropping packets X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Jun 2004 08:58:16 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, I'm running 5.2.1-RELEASE on two heavly loaded USENET servers equipped with Intel PRO/1000 on-board NICs: em0: port 0xd800-0xd83f mem 0xfe8c0000-0xfe8dffff irq 28 at device 1.0 on pci3 Recently, on both servers I've noticed increasing number of input errors on netstat -i: Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll em0 1500 00:30:48:70:43:24 531562478 4362496 782338592 0 0 NIC stats shows, that errors are related to "receive no buffers", but netstat -m doesn't show any mbuf or mbuf cluster exhaustion. em0: Excessive collisions = 0 em0: Symbol errors = 0 em0: Sequence errors = 0 em0: Defer count = 0 em0: Missed Packets = 85980 em0: Receive No Buffers = 4274612 em0: Receive length errors = 0 em0: Receive errors = 0 em0: Crc errors = 0 em0: Alignment errors = 0 em0: Carrier extension errors = 0 em0: XON Rcvd = 0 em0: XON Xmtd = 0 em0: XOFF Rcvd = 0 em0: XOFF Xmtd = 0 em0: Good Packets Rcvd = 531193051 em0: Good Packets Xmtd = 781747213 mbuf usage: GEN cache: 27/4032 (in use/in pool) CPU #0 cache: 3109/3232 (in use/in pool) CPU #1 cache: 34/512 (in use/in pool) CPU #2 cache: 21/512 (in use/in pool) CPU #3 cache: 11/512 (in use/in pool) Total: 3202/8800 (in use/in pool) Mbuf cache high watermark: 512 Maximum possible: 51200 Allocated mbuf types: 3202 mbufs allocated to data 17% of mbuf map consumed mbuf cluster usage: GEN cache: 25/3864 (in use/in pool) CPU #0 cache: 3101/3176 (in use/in pool) CPU #1 cache: 37/160 (in use/in pool) CPU #2 cache: 23/128 (in use/in pool) CPU #3 cache: 11/128 (in use/in pool) Total: 3197/7456 (in use/in pool) Cluster cache high watermark: 128 Maximum possible: 25600 29% of cluster map consumed 17112 KBytes of wired memory reserved (42% in use) 0 requests for memory denied 0 requests for memory delayed 0 calls to protocol drain routines If you have any ideas I'd really appreciate it. - -- * Fido: 2:480/124 ** WWW: http://www.frasunek.com/ ** NICHDL: PMF9-RIPE * * JID: venglin@jabber.atman.pl ** PGP ID: 2578FCAD ** HAM-RADIO: SQ8JIV * -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFAzWhikxEnBiV4/K0RAv+DAKCmqKZr8NuKq3hrgA2cOm1Cp6fFgACdEkNU 4Y3L3dU/dWtQROdlIlpNaiA= =D6kR -----END PGP SIGNATURE-----