From owner-freebsd-current@FreeBSD.ORG Thu Nov 15 07:36:13 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8CC3A16A421 for ; Thu, 15 Nov 2007 07:36:13 +0000 (UTC) (envelope-from delphij@delphij.net) Received: from tarsier.geekcn.org (tarsier.geekcn.org [210.51.165.229]) by mx1.freebsd.org (Postfix) with ESMTP id 48B6013C48A for ; Thu, 15 Nov 2007 07:36:11 +0000 (UTC) (envelope-from delphij@delphij.net) Received: from localhost (tarsier.geekcn.org [210.51.165.229]) by tarsier.geekcn.org (Postfix) with ESMTP id E2DABEC43E3; Thu, 15 Nov 2007 15:36:09 +0800 (CST) X-Virus-Scanned: amavisd-new at geekcn.org Received: from tarsier.geekcn.org ([210.51.165.229]) by localhost (mail.geekcn.org [210.51.165.229]) (amavisd-new, port 10024) with ESMTP id Ez837w+2L88t; Thu, 15 Nov 2007 15:36:04 +0800 (CST) Received: from charlie.delphij.net (c-67-161-39-180.hsd1.ca.comcast.net [67.161.39.180]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by tarsier.geekcn.org (Postfix) with ESMTP id 866D0EB0C0C; Thu, 15 Nov 2007 15:36:02 +0800 (CST) DomainKey-Signature: a=rsa-sha1; s=default; d=delphij.net; c=nofws; q=dns; h=message-id:date:from:reply-to:organization:user-agent: mime-version:to:subject:x-enigmail-version:content-type:content-transfer-encoding; b=W0j+cPyypbk8NNyQSKRBbUIa7zFUT+RMC55Ki1Ad6+0128FY5GWbRHaXtdtC7T824 QAFELwrBwwTA8FHe0hNDA== Message-ID: <473BF6E0.6070306@delphij.net> Date: Wed, 14 Nov 2007 23:36:00 -0800 From: Xin LI Organization: The FreeBSD Project User-Agent: Thunderbird 2.0.0.6 (X11/20071031) MIME-Version: 1.0 To: freebsd-current@freebsd.org X-Enigmail-Version: 0.95.5 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Strange panic on fresh RELENG_7 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: d@delphij.net List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Nov 2007 07:36:13 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I got frequent kernel panics under moderate load with exactly same fatal virtual address and backtrace after updating to fresh RELENG_7: Fatal trap 12: page fault while in kernel mode cpuid = 2; apic id = 02 fault virtual address = 0x8100320 fault code = supervisor read, page not present instruction pointer = 0x20:0xc073d819 stack pointer = 0x28:0xe66bba9c frame pointer = 0x28:0xe66bbaf4 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 2898 (cc1) trap number = 12 panic: page fault cpuid = 2 Uptime: 1h15m45s Physical memory: 1015 MB Dumping 193 MB: 178 162 146 130 114 98 82 66 50 34 18 2 Any hints? (kgdb) bt #0 doadump () at pcpu.h:195 #1 0xc05651a7 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409 #2 0xc0565469 in panic (fmt=Variable "fmt" is not available. ) at /usr/src/sys/kern/kern_shutdown.c:563 #3 0xc077678c in trap_fatal (frame=0xe66bba5c, eva=135267104) at /usr/src/sys/i386/i386/trap.c:872 #4 0xc07769f0 in trap_pfault (frame=0xe66bba5c, usermode=0, eva=135267104) at /usr/src/sys/i386/i386/trap.c:785 #5 0xc0777312 in trap (frame=0xe66bba5c) at /usr/src/sys/i386/i386/trap.c:463 #6 0xc075dd6b in calltrap () at /usr/src/sys/i386/i386/exception.s:139 #7 0xc073d819 in vm_page_splay (pindex=Unhandled dwarf expression opcode 0x93 ) at /usr/src/sys/vm/vm_page.c:590 #8 0xc073dd8d in vm_page_remove (m=0xc1c127b0) at /usr/src/sys/vm/vm_page.c:718 #9 0xc073dfd1 in vm_page_free_toq (m=0xc1c127b0) at /usr/src/sys/vm/vm_page.c:1290 #10 0xc073e1a6 in vm_page_free (m=0xc1c127b0) at /usr/src/sys/vm/vm_page.c:498 #11 0xc073c795 in vm_object_terminate (object=0xc6dae9b0) at /usr/src/sys/vm/vm_object.c:647 #12 0xc073d003 in vm_object_deallocate (object=0xc6dae9b0) at /usr/src/sys/vm/vm_object.c:580 #13 0xc0735858 in vm_map_delete (map=Variable "map" is not available. ) at /usr/src/sys/vm/vm_map.c:2306 #14 0xc07358e1 in vm_map_remove (map=0xc3afe3a0, start=0, end=3217031168) at /usr/src/sys/vm/vm_map.c:2414 #15 0xc0737aaf in vmspace_exit (td=0xc40a7880) at /usr/src/sys/vm/vm_map.c:321 #16 0xc0544583 in exit1 (td=0xc40a7880, rv=0) at /usr/src/sys/kern/kern_exit.c:294 #17 0xc05458dd in sys_exit (td=Could not find the frame base for "sys_exit". ) at /usr/src/sys/kern/kern_exit.c:98 #18 0xc0776d29 in syscall (frame=0xe66bbd38) at /usr/src/sys/i386/i386/trap.c:1008 #19 0xc075ddd0 in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception.s:196 #20 0x00000033 in ?? () Previous frame inner to this frame (corrupt stack?) (kgdb) bt full #0 doadump () at pcpu.h:195 No locals. #1 0xc05651a7 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409 _giantcnt = Variable "_giantcnt" is not available. (kgdb) up 7 #7 0xc073d819 in vm_page_splay (pindex=Unhandled dwarf expression opcode 0x93 ) at /usr/src/sys/vm/vm_page.c:590 590 if ((y = root->right) == NULL) (kgdb) inspect root $1 = 0xc1e931b0 (kgdb) inspect root->right $2 = (struct vm_page *) 0x8100300 (kgdb) inspect y $3 = 0x8100300 (kgdb) inspect *root $4 = {pageq = {tqe_next = 0x0, tqe_prev = 0x32123000}, listq = {tqe_next = 0x0, tqe_prev = 0x0}, left = 0xc1e931bc, right = 0x8100300, object = 0x1000b, pindex = 0, phys_addr = 16711680, md = {pv_list_count = -1041980184, pv_list = {tqh_first = 0xc1c72990, tqh_last = 0xc1e4a4e8}}, queue = 152 '\230', segind = 41 ')', flags = 49607, order = 144 '\220', pool = 41 ')', wire_count = 49607, cow = 0, hold_count = -23460, oflags = 50980, act_count = 1 '\001', busy = 0 '\0', valid = 0 '\0', dirty = 0 '\0'} (kgdb) - -- Xin LI http://www.delphij.net/ FreeBSD - The Power to Serve! -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) iD8DBQFHO/bghcUczkLqiksRApKQAKDRGFbGrMXEm8oh6RJnjpz+QcPKJACdFRj6 5ID1FBA+HsgtrjD9/BxeiTE= =RIdX -----END PGP SIGNATURE-----