From owner-freebsd-current@FreeBSD.ORG Mon Sep 27 19:27:44 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 63D1A16A4CE; Mon, 27 Sep 2004 19:27:44 +0000 (GMT) Received: from mail.vicor-nb.com (bigwoop.vicor-nb.com [208.206.78.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 42C6343D1D; Mon, 27 Sep 2004 19:27:42 +0000 (GMT) (envelope-from julian@elischer.org) Received: from elischer.org (julian.vicor-nb.com [208.206.78.97]) by mail.vicor-nb.com (Postfix) with ESMTP id 16FD07A41E; Mon, 27 Sep 2004 12:27:42 -0700 (PDT) Message-ID: <415869AD.1000908@elischer.org> Date: Mon, 27 Sep 2004 12:27:41 -0700 From: Julian Elischer User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.3.1) Gecko/20030516 X-Accept-Language: en, hu MIME-Version: 1.0 To: John Baldwin References: <4157AFE9.2060207@elischer.org> <200409271126.09854.jhb@FreeBSD.org> In-Reply-To: <200409271126.09854.jhb@FreeBSD.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit 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 19:27:44 -0000 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! >*witness_checkorder+0x6a'? > > >