From owner-freebsd-hackers@FreeBSD.ORG Thu Apr 1 09:04:00 2004 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6FBC716A4CE for ; Thu, 1 Apr 2004 09:04:00 -0800 (PST) Received: from addr-mx02.addr.com (addr-mx02.addr.com [209.249.147.146]) by mx1.FreeBSD.org (Postfix) with ESMTP id 43DED43D53 for ; Thu, 1 Apr 2004 09:04:00 -0800 (PST) (envelope-from aanand@addr.com) Received: from proxy1.addr.com (proxy1.addr.com [209.249.147.28]) by addr-mx02.addr.com (8.12.8/8.12.2) with ESMTP id i31H3LBW058337 for ; Thu, 1 Apr 2004 09:03:21 -0800 (PST) Received: from admin.addr.com ([203.124.152.29]) by proxy1.addr.com (8.12.8/8.12.8/Submit) with ESMTP id i31H3FTf084083 for ; Thu, 1 Apr 2004 09:03:16 -0800 (PST) Date: Thu, 01 Apr 2004 22:37:18 +0530 To: "hackers@freebsd.org" From: Ajit Anand Organization: ADDR Technologies Content-Type: text/plain; format=flowed; charset=us-ascii MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-ID: User-Agent: Opera7.23/FreeBSD M2 build 518 X-ADDRSpamFilter: Passed, probability (18%) X-ADDRSignature: 20F091E3 Subject: Re: Frequent crashes on 4.9STABLE X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Apr 2004 17:04:00 -0000 Hi Andre, We haven't changed any compiler options. We recompiled the kernel with default compiler options. Regards Ajit Ajit Anand wrote: > Hi, > We are facing frequent crashes of our server running Apache,MySQL. The > machine is a P4 2.8 GHz with 512 MB RAM and 2 80 GB IDE HDD's. > dmesg output is attached in the file. > uname -a > FreeBSD chatwith.addr.com 4.9-RELEASE FreeBSD 4.9-RELEASE #3: Thu Mar 25 > 15:39:52 IST 2004 root@chatwith.addr.com:/usr/src/sys/compile/DEBUG > i386 > Output of gdb with the backtrace of the core > #0 dumpsys () at ../../kern/kern_shutdown.c:487 > #1 0xc022b1af in boot (howto=256) at ../../kern/kern_shutdown.c:316 > #2 0xc022b5ed in panic (fmt=0xc0405acc "%s") at > ../../kern/kern_shutdown.c:595 > #3 0xc0382493 in trap_fatal (frame=0xdef5fd58, eva=54) at > ../../i386/i386/trap.c:974 > #4 0xc0382141 in trap_pfault (frame=0xdef5fd58, usermode=0, eva=54) at > ../../i386/i386/trap.c:867 > #5 0xc0381ce7 in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = > -1039728624, tf_edi = -554225664, tf_esi = -1069052468, > tf_ebp = -554303944, tf_isp = -554304124, tf_ebx = 0, tf_edx = 0, > tf_ecx = -554304249, tf_eax = 1, tf_trapno = 12, > tf_err = 2, tf_eip = -1070434902, tf_cs = 8, tf_eflags = 66178, > tf_esp = -730867616, tf_ss = -1069052468}) > at ../../i386/i386/trap.c:466 > #6 0xc03275aa in vm_fault (map=0xc0478dcc, vaddr=3740741632, > fault_type=1 '\001', fault_flags=0) > at ../../vm/vm_object.h:189 > #7 0xc03820ee in trap_pfault (frame=0xdef5feac, usermode=0, > eva=3740741632) at ../../i386/i386/trap.c:856 > #8 0xc0381ce7 in trap (frame={tf_fs = 462946320, tf_es = 496500752, > tf_ds = 16, tf_edi = 1073663755, tf_esi = -1055233972, > tf_ebp = -554303652, tf_isp = -554303784, tf_ebx = -1055234048, > tf_edx = 746534015, tf_ecx = -554225664, > tf_eax = 345135053, tf_trapno = 12, tf_err = 0, tf_eip = > -1071100893, tf_cs = 8, tf_eflags = 66178, > tf_esp = -1055234048, tf_ss = 4196352}) at > ../../i386/i386/trap.c:466 > #9 0xc0284c23 in ip_input (m=0xc11a6800) at ../../sys/fnv_hash.h:26 > #10 0xc028503b in ipintr () at ../../netinet/ip_input.c:955 > #11 0xc0377509 in swi_net_next () > Can someone please point me in the right direction to a solution to > this problem. Very strange. It crashes when trying to find out whether the packet is for an IP address configure on the box itself. Did you change any compiler settings when compiling this kernel? Maybe -O2 or such? -- Using M2, Opera's revolutionary e-mail client: http://www.opera.com/m2/