From owner-freebsd-stable@FreeBSD.ORG Mon Aug 15 12:52:21 2011 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 DCE181065672; Mon, 15 Aug 2011 12:52:21 +0000 (UTC) (envelope-from prvs=1208040d95=killing@multiplay.co.uk) Received: from mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) by mx1.freebsd.org (Postfix) with ESMTP id 378718FC18; Mon, 15 Aug 2011 12:52:20 +0000 (UTC) X-MDAV-Processed: mail1.multiplay.co.uk, Mon, 15 Aug 2011 13:51:07 +0100 X-Spam-Processed: mail1.multiplay.co.uk, Mon, 15 Aug 2011 13:51:07 +0100 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on mail1.multiplay.co.uk X-Spam-Level: X-Spam-Status: No, score=-5.0 required=6.0 tests=USER_IN_WHITELIST shortcircuit=ham autolearn=disabled version=3.2.5 Received: from r2d2 ([188.220.16.49]) by mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) (MDaemon PRO v10.0.4) with ESMTP id md50014605358.msg; Mon, 15 Aug 2011 13:51:06 +0100 X-MDRemoteIP: 188.220.16.49 X-Return-Path: prvs=1208040d95=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk Message-ID: <796FD5A096DE4558B57338A8FA1E125B@multiplay.co.uk> From: "Steven Hartland" To: "Andriy Gapon" References: <47F0D04ADF034695BC8B0AC166553371@multiplay.co.uk><4E4380C0.7070908@FreeBSD.org> <4E43E272.1060204@FreeBSD.org> <62BF25D0ED914876BEE75E2ADF28DDF7@multiplay.co.uk> <4E440865.1040500@FreeBSD.org> <6F08A8DE780545ADB9FA93B0A8AA4DA1@multiplay.co.uk> <4E441314.6060606@FreeBSD.org> <2C4B0D05C8924F24A73B56EA652FA4B0@multiplay.co.uk> <4E48D967.9060804@FreeBSD.org> <9D034F992B064E8092E5D1D249B3E959@multiplay.co.uk> <4E490DAF.1080009@FreeBSD.org> Date: Mon, 15 Aug 2011 13:51:44 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6109 Cc: freebsd-stable@FreeBSD.org Subject: Re: debugging frequent kernel panics on 8.2-RELEASE 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: Mon, 15 Aug 2011 12:52:21 -0000 ----- Original Message ----- From: "Andriy Gapon" > on 15/08/2011 13:34 Steven Hartland said the following: >> (kgdb) list *0xffffffff8053b691 >> 0xffffffff8053b691 is in vm_fault (/usr/src/sys/vm/vm_fault.c:239). >> 234 /* >> 235 * Find the backing store object and offset into it to begin the >> 236 * search. >> 237 */ >> 238 fs.map = map; >> 239 result = vm_map_lookup(&fs.map, vaddr, fault_type, &fs.entry, >> 240 &fs.first_object, &fs.first_pindex, &prot, &wired); >> 241 if (result != KERN_SUCCESS) { >> 242 if (result != KERN_PROTECTION_FAILURE || >> 243 (fault_flags & VM_FAULT_WIRE_MASK) != >> VM_FAULT_USER_WIRE) { >> > > Interesting... thanks! > Can you please also additionally provide (lengthy) output of x/512a > 0xffffff8d8f356fb0 ? Sorry I'm not sure I follow your their? Do you mean any of the following:- (kgdb) x/512a 0xffffff8d8f35b000: Cannot access memory at address 0xffffff8d8f35b000 (kgdb) list *0xffffff8d8f356fb0 No source file for address 0xffffff8d8f356fb0. or: (kgdb) x/512a 0xffffff8d8f356fb0 0xffffff8d8f356fb0: Cannot access memory at address 0xffffff8d8f356fb0 Regards Steve ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.