From owner-freebsd-net@FreeBSD.ORG Thu Aug 5 05:21:03 2010 Return-Path: Delivered-To: freebsd-net@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BE8881065674; Thu, 5 Aug 2010 05:21:03 +0000 (UTC) (envelope-from alc@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 94B658FC19; Thu, 5 Aug 2010 05:21:03 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id o755L3Dq013464; Thu, 5 Aug 2010 05:21:03 GMT (envelope-from alc@freefall.freebsd.org) Received: (from alc@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id o755L19k013111; Thu, 5 Aug 2010 05:21:01 GMT (envelope-from alc) Date: Thu, 5 Aug 2010 05:21:01 GMT Message-Id: <201008050521.o755L19k013111@freefall.freebsd.org> To: okor@zone.salut.ru, alc@FreeBSD.org, freebsd-net@FreeBSD.org From: alc@FreeBSD.org Cc: Subject: Re: kern/122743: [mbuf] [panic] vm_page_unwire: invalid wire count: 0 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Aug 2010 05:21:03 -0000 Synopsis: [mbuf] [panic] vm_page_unwire: invalid wire count: 0 State-Changed-From-To: open->closed State-Changed-By: alc State-Changed-When: Thu Aug 5 05:11:59 UTC 2010 State-Changed-Why: The panic reported in this PR was almost certainly a result of overflowing the vm_page's 16-bit wire_count field. This field has been changed to a 32-bit quantity in all versions of FreeBSD since 7.2. (See r186719.) http://www.freebsd.org/cgi/query-pr.cgi?pr=122743