From nobody@FreeBSD.org Tue Mar 28 08:58:18 2006 Return-Path: Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7D69216A400 for ; Tue, 28 Mar 2006 08:58:18 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [216.136.204.117]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2009F43D46 for ; Tue, 28 Mar 2006 08:58:18 +0000 (GMT) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.13.1/8.13.1) with ESMTP id k2S8wGFZ003917 for ; Tue, 28 Mar 2006 08:58:16 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.13.1/8.13.1/Submit) id k2S8wGmx003913; Tue, 28 Mar 2006 08:58:16 GMT (envelope-from nobody) Message-Id: <200603280858.k2S8wGmx003913@www.freebsd.org> Date: Tue, 28 Mar 2006 08:58:16 GMT From: Valery Marchuk To: freebsd-gnats-submit@FreeBSD.org Subject: Problem with "requests for mbufs denied" X-Send-Pr-Version: www-2.3 >Number: 95030 >Category: kern >Synopsis: Problem with "requests for mbufs denied" >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: closed >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Mar 28 09:00:27 GMT 2006 >Closed-Date: Fri May 26 12:13:20 GMT 2006 >Last-Modified: Fri May 26 12:13:20 GMT 2006 >Originator: Valery Marchuk >Release: 6.1-PRERELEASE >Organization: ArgoCom >Environment: FreeBSD vpn1.xxx.xxx 6.1-PRERELEASE FreeBSD 6.1-PRERELEASE #3: Thu Mar 23 11:54:35 EET 2006 root@vpn1.xxx.xxx: /usr/obj/usr/src/sys/vpn_kernel i386 >Description: There is a problem with denied mbufs according to netstat output: netstat -m 1825/1670/3495 mbufs in use (current/cache/total) 1501/1305/2806/25600 mbuf clusters in use (current/cache/total/max) 3501K/3027K/6529K bytes allocated to network (current/cache/total) 59555674/20385922/20390226 requests for mbufs denied (mbufs/clusters/mbuf+clusters) 0/5/6656 sfbufs in use (current/peak/max) 0 requests for sfbufs denied 0 requests for sfbufs delayed 0 requests for I/O initiated by sendfile 551 calls to protocol drain routines There are 3 NICs, 2 - em`s (Intel 1Gb) and 1 - rl (D-Link 100Mb). I`ve found 2 descriptions of the same (I guess) problem in Google, with em NICs installed. CPU: Pentium D 2.8 GHz (SMP) RAM: Hynix 1Gb*2 Additional data: kern.maxdsiz="1073741824" kern.dfldsiz="1073741824" kern.maxssiz="134217728" net.inet.ip.same_prefix_carp_only=1 kern.ipc.somaxconn=32768 Kernel options: kern.ipc.maxsockets: 25600 kern.ipc.nmbclusters: 25600 Current system`s sockets state: netstat -an | grep tcp | awk '{print $6}' | sort | uniq -c 7 CLOSE_WAIT 136 ESTABLISHED 12 FIN_WAIT_1 34 FIN_WAIT_2 6 LAST_ACK 12 LISTEN 1 SYN_SENT 18 TIME_WAIT netstat -i shows no errors. Will appreciate any help. >How-To-Repeat: I could not reproduce this problem on other systems (different hardware) with the same kernel options. >Fix: >Release-Note: >Audit-Trail: From: "Valery Marchuk" To: , "Valery Marchuk" Cc: Subject: Re: kern/95030: Problem with "requests for mbufs denied" Date: Fri, 26 May 2006 13:58:30 +0300 This is a multi-part message in MIME format. ------=_NextPart_000_0048_01C680CC.77F868D0 Content-Type: text/plain; charset="koi8-r" Content-Transfer-Encoding: quoted-printable Problem has been solved with FreeBSD 6.1-RELEASE. ------=_NextPart_000_0048_01C680CC.77F868D0 Content-Type: text/html; charset="koi8-r" Content-Transfer-Encoding: quoted-printable

Problem has been solved with FreeBSD=20 6.1-RELEASE.

------=_NextPart_000_0048_01C680CC.77F868D0-- State-Changed-From-To: open->closed State-Changed-By: maxim State-Changed-When: Fri May 26 12:12:30 UTC 2006 State-Changed-Why: Robert Watson has fixed the issue in rev. 1.137 sys/vm/uma_core.c and MFC'ed the patch to RELENG_6. http://www.freebsd.org/cgi/query-pr.cgi?pr=95030 >Unformatted: