From owner-freebsd-i386@FreeBSD.ORG Wed Apr 8 14:50:05 2009 Return-Path: Delivered-To: freebsd-i386@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1FB8710656CB for ; Wed, 8 Apr 2009 14:50:05 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id D33808FC1E for ; Wed, 8 Apr 2009 14:50:04 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id n38Eo46R042578 for ; Wed, 8 Apr 2009 14:50:04 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id n38Eo4Rc042577; Wed, 8 Apr 2009 14:50:04 GMT (envelope-from gnats) Resent-Date: Wed, 8 Apr 2009 14:50:04 GMT Resent-Message-Id: <200904081450.n38Eo4Rc042577@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-i386@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Terry Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 76CAB106564A for ; Wed, 8 Apr 2009 14:49:26 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id 652358FC08 for ; Wed, 8 Apr 2009 14:49:26 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.3/8.14.3) with ESMTP id n38EnPWj058087 for ; Wed, 8 Apr 2009 14:49:25 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.3/8.14.3/Submit) id n38EnPUY058086; Wed, 8 Apr 2009 14:49:25 GMT (envelope-from nobody) Message-Id: <200904081449.n38EnPUY058086@www.freebsd.org> Date: Wed, 8 Apr 2009 14:49:25 GMT From: Terry To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: i386/133490: 'kmem_map too small' panic on Dell r900 when bpf_bufsize and bpf_maxbufsize are increased X-BeenThere: freebsd-i386@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: I386-specific issues for FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Apr 2009 14:50:07 -0000 >Number: 133490 >Category: i386 >Synopsis: 'kmem_map too small' panic on Dell r900 when bpf_bufsize and bpf_maxbufsize are increased >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-i386 >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Apr 08 14:50:04 UTC 2009 >Closed-Date: >Last-Modified: >Originator: Terry >Release: 7.1 >Organization: Army >Environment: FreeBSD schnozz-nap-a 7.1-RELEASE FreeBSD 7.1-RELEASE #3: Wed Apr 1 11:04:28 EDT 2009 root@schnozz-nap-a:/usr/obj/usr/src/sys/CCSP-KERNEL i386 >Description: When increasing bpf_bufsize and bpf_maxbufsize to, say, 4MB in sysctl.conf, the machine immediately panics upon getting to the "login" prompt on reboot. The system is quad-core Xeon with two Intel 10GE NICs (82598EB). Kernel is standard except for: options DEVICE_POLLING options HZ=1000 Just increasing bpf_bufsize doesn't cause the problem. It only panics when both values are increased. Apr 8 10:17:32 schnozz-nap-a savecore: reboot after panic: kmem_malloc(4194304): kmem_map too small: 333324288 total allocated >How-To-Repeat: In sysctl.conf: net.bpf.bufsize=4194304 net.bpf.maxbufsize=4194304 >Fix: >Release-Note: >Audit-Trail: >Unformatted: