From owner-freebsd-current@FreeBSD.ORG Mon Sep 27 20:06:52 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id BC7BF16A4CE for ; Mon, 27 Sep 2004 20:06:52 +0000 (GMT) Received: from mail1.speakeasy.net (mail1.speakeasy.net [216.254.0.201]) by mx1.FreeBSD.org (Postfix) with ESMTP id 926E343D39 for ; Mon, 27 Sep 2004 20:06:52 +0000 (GMT) (envelope-from jhb@FreeBSD.org) Received: (qmail 2234 invoked from network); 27 Sep 2004 20:06:52 -0000 Received: from dsl027-160-063.atl1.dsl.speakeasy.net (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) encrypted SMTP for ; 27 Sep 2004 20:06:51 -0000 Received: from [10.50.40.210] (gw1.twc.weather.com [216.133.140.1]) (authenticated bits=0) by server.baldwin.cx (8.12.11/8.12.11) with ESMTP id i8RK6lBs014629; Mon, 27 Sep 2004 16:06:49 -0400 (EDT) (envelope-from jhb@FreeBSD.org) From: John Baldwin To: Julian Elischer Date: Mon, 27 Sep 2004 16:07:27 -0400 User-Agent: KMail/1.6.2 References: <4157AFE9.2060207@elischer.org> <200409271126.09854.jhb@FreeBSD.org> <415869AD.1000908@elischer.org> In-Reply-To: <415869AD.1000908@elischer.org> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200409271607.27169.jhb@FreeBSD.org> X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on server.baldwin.cx cc: Current Subject: Re: ktr/alq/witness failure. X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Sep 2004 20:06:52 -0000 On Monday 27 September 2004 03:27 pm, Julian Elischer wrote: > John Baldwin wrote: > >On Monday 27 September 2004 02:15 am, Julian Elischer wrote: > >>I'm not going to stop and debug this now because I'm chasing another > >>problem but I can probably stash a corefile somewhere if people want it.. > > > >Looks like the process mutex is busted or some such. > > > >>ref4# sysctl debug.ktr.mask=0x2fffffff > >>debug.ktr.mask: 262144 > >> -> > >>805306367 > >>ref4# > >>ref4# > >>ref4# sysctl debug.ktr.mask=0x0 > >>kernel trap 12 with interrupts disabled > >> > >>Fatal double fault: > >>eip = 0xc053336e > >>esp = 0xcbaa3ff4 > >>ebp = 0xcbaa401c > >>cpuid = 0; apic id = 00 > >>panic: double fault > >>cpuid = 0 > >>KDB: enter: panic > >>[thread 100027] > >>Stopped at kdb_enter+0x2b: nop > >>db> tr > >>kdb_enter(c069adef) at kdb_enter+0x2b > >>panic(c06b581a,c06b59c4,0,0,0) at panic+0x127 > >>dblfault_handler() at dblfault_handler+0x7a > >>--- trap 0x17, eip = 0xc053336e, esp = 0xcbaa3ff4, ebp = 0xcbaa401c --- > >>witness_checkorder(c111776c,9,c06b5972,2bb) at witness_checkorder+0x6a > > > >Can you pull up 'gdb kernel.debug' and do 'l *0xcbaa401c' and 'l > > unfortunatly when I tryied to save a coredump it failed.. dumpdev was > not set.. .. DUH! You don't need a coredump for this, just the kernel.debug from your kernel build. > >*witness_checkorder+0x6a'? -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org