From owner-freebsd-stable@FreeBSD.ORG Thu Jul 8 11:41:09 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 51F811065670 for ; Thu, 8 Jul 2010 11:41:09 +0000 (UTC) (envelope-from pluknet@gmail.com) Received: from mail-ww0-f42.google.com (mail-ww0-f42.google.com [74.125.82.42]) by mx1.freebsd.org (Postfix) with ESMTP id DDB7C8FC19 for ; Thu, 8 Jul 2010 11:41:08 +0000 (UTC) Received: by wwb13 with SMTP id 13so2344769wwb.1 for ; Thu, 08 Jul 2010 04:41:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:date:message-id :subject:from:to:content-type:content-transfer-encoding; bh=WxrNItAwjxQY826lJiiNIXjVaNDK2PMKg9Z+GphQwyE=; b=nMbIbkr92IARl6Llx4fT3Z+4yYEYCcKkdgVvfZLe5G9Av3bn2GqbI1wthuqQPLT36j 01WOHFhTUU7AJDgAkL1LDIK5iJNG7TphzWaWAg/XvgxqcA6n50hgF8O7/d+50S9nnoGQ RV6qbzCPW/AOjtq+0OUzPW/yU5LKvvNuJbk+0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type :content-transfer-encoding; b=mQyoNYfeRBqq+Uj4skfmbpsq1yFfAfB6fhAZ2ah6UkUuCkOyF/nbPAfDUL/iX1c6+L LwCCuTnhq+15xjvrpIE5WxzxawNWm91wE7GDuQifZTWUZU5kcxfjuo0l6iBH6vBhhL87 5vjYFVPw/0STE3Zisp9hZDeBflsd632ffekCU= MIME-Version: 1.0 Received: by 10.216.138.65 with SMTP id z43mr2428395wei.12.1278588846343; Thu, 08 Jul 2010 04:34:06 -0700 (PDT) Received: by 10.216.37.68 with HTTP; Thu, 8 Jul 2010 04:34:06 -0700 (PDT) Date: Thu, 8 Jul 2010 15:34:06 +0400 Message-ID: From: pluknet To: freebsd-stable Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: uma_ref_cnt: vm_fault: fault on nofault entry X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 08 Jul 2010 11:41:09 -0000 Hi. 8.0-RELEASE under xen h/w mode. This is the first time I'm seeing this panic (uptime ~2 weeks). http://img38.imageshack.us/img38/9681/screenshot1mm.png Below is transcribed via OCR from a vnc session. db> bt^M Tracing pid 18908 tid 101404 td 0xc93f9Z40^M kdb_enter(c0c8dceZ,c0c8dceZ,c0cab939,eb0aZ7e4,Z,...) at kdb_entert0x3a panic(c0cab939,cl4b3000,l,eb0aZ914,eb0aZ904,...) at panict0xl36 vm_fault(cl490000,cl4b3000,l,0,c76f3400,...) at vm_fault*0xl97 trap_pfault(80000,eb0aZal0,8538,eb0aZal0,cfeeaaa0,...) at trap_pfaultt0xZ0e trap(eb0aZa30) at trapt0x455 calltrap() at calltrap=E2=95=950x6^M -- trap 0XC, eip =3D 0xc0af336b, esp =3D 0xeb0aZa70, ebp =3D 0xeb0aZa78 = ---^M uma_find_refcnt(cl47a000,c7elc000,3,Z,c7elc000,...) at uma_find_refcntt0x5b mb_ctor_clust(c7elc000,1000,cf87ce00,Z,f8,...) at mb_ctor_clustt0x9c uma_zalloc_arg(cl47a000,cf87ce00,Z,dd0001,c798Z400,...) at uma_zalIoc_argt0= x8a m_getmZ(0,790c,Z,l,0,...) at m_getmZt0xb3 m_uiotombuf(eb0aZc58,Z,790c,0,0,...) at m_uiotombuf^0x77 sosend_generic(cf4c44d4,0,eb0a2c58,0,0,...) at sosend_generic*0x525 sosend(cf4c44d4,0,eb0aZc58,0,0,...) at sosendt0x3f^M soo_write(d004d508,eb0aZc58,cdd4f600,0,c93f9Z40,...) at soo_uritet0x63 dofilewrite(eb0aZc58,ffffffff,ffffffff,0,d004d508,...) at dofilewrite*0x97 kern_writev(c93f9Z40,6,eb0aZc58,eb0aZc78,l,...) at kern_w|titevt0x58 write(c93f9Z40,eb0aZcf8,c,c0890ce8,46,...) at urite*0x4f syscall(eb0aZd38) at syscal+0x3Z5 Xint0x80_syscall() at Xint0x80_syscal+0x20^M --- syscall (4, FreeBSD ELF3Z, urite), eip =3D 0xZ85d4Z53, esp =3D 0xbfbfealc, ebp =3D^M 0xbfbfea38 --- --=20 wbr, pluknet