From owner-freebsd-stable@FreeBSD.ORG Fri Jul 27 14:50:02 2007 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 81F9816A419 for ; Fri, 27 Jul 2007 14:50:02 +0000 (UTC) (envelope-from ler@lerctr.org) Received: from thebighonker.lerctr.org (thebighonker.lerctr.org [192.147.25.65]) by mx1.freebsd.org (Postfix) with ESMTP id 5FFFA13C491 for ; Fri, 27 Jul 2007 14:50:02 +0000 (UTC) (envelope-from ler@lerctr.org) Received: from thebighonker.lerctr.org ([192.147.25.65]:59253) by thebighonker.lerctr.org with esmtpsa (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.67 (FreeBSD)) (envelope-from ) id 1IEQve-0005Ga-8o for freebsd-stable@freebsd.org; Fri, 27 Jul 2007 09:36:37 -0500 Date: Fri, 27 Jul 2007 09:36:27 -0500 (CDT) From: Larry Rosenman To: freebsd-stable@freebsd.org Message-ID: <20070727093524.K20208@thebighonker.lerctr.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Score: -3.2 (---) X-LERCTR-Spam-Score: -3.2 (---) X-Spam-Report: SpamScore (-3.2/5.0) ALL_TRUSTED=-1.8, BAYES_00=-2.599, DKIM_POLICY_SIGNSOME=0, FM_MULTI_ODD2=1.1, TW_RB=0.077 X-LERCTR-Spam-Report: SpamScore (-3.2/5.0) ALL_TRUSTED=-1.8, BAYES_00=-2.599, DKIM_POLICY_SIGNSOME=0, FM_MULTI_ODD2=1.1, TW_RB=0.077 DomainKey-Status: no signature Subject: Panic: Page not present: RELENG_6 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: Fri, 27 Jul 2007 14:50:02 -0000 I got the following: $ kgdb -c /var/crash/vmcore.1 kernel.debug [GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"] GNU gdb 6.1.1 [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "amd64-marcel-freebsd". Unread portion of the kernel message buffer: Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0xffff803fff800058 fault code = supervisor read data, page not present instruction pointer = 0x8:0xffffffff803abb0e stack pointer = 0x10:0xffffffffb5ebfa40 frame pointer = 0x10:0xffffffffb5ebfa90 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 57526 (sshd) trap number = 12 panic: page fault cpuid = 2 KDB: stack backtrace: panic() at panic+0x253 trap_fatal() at trap_fatal+0x2c6 trap_pfault() at trap_pfault+0x243 trap() at trap+0x298 calltrap() at calltrap+0x5 --- trap 0xc, rip = 0xffffffff803abb0e, rsp = 0xffffffffb5ebfa40, rbp = 0xffffffffb5ebfa90 --- pmap_remove_pages() at pmap_remove_pages+0xde vmspace_exit() at vmspace_exit+0x9a exit1() at exit1+0x38c sys_exit() at sys_exit+0xe syscall() at syscall+0x437 Xfast_syscall() at Xfast_syscall+0xa8 --- syscall (1, FreeBSD ELF64, sys_exit), rip = 0x8016a096c, rsp = 0x7fffffffc038, rbp = 0x53c240 --- Uptime: 36d18h48m54s Physical memory: 4088 MB Dumping 587 MB: 572 556 540 524 508 492 476 460 444 428 412 396 380 364 348 332 316 300 284 268 252 236 220 204 188 172 156 140 124 108 92 76 60 44 28 12 #0 doadump () at pcpu.h:172 172 __asm __volatile("movq %%gs:0,%0" : "=r" (td)); (kgdb) bt #0 doadump () at pcpu.h:172 #1 0xffffffff802857f0 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409 #2 0xffffffff80285cdb in panic (fmt=0xffffffff80410cac "%s") at /usr/src/sys/kern/kern_shutdown.c:565 #3 0xffffffff803b2c56 in trap_fatal (frame=0xc, eva=18446742979115617248) at /usr/src/sys/amd64/amd64/trap.c:668 #4 0xffffffff803b2fe3 in trap_pfault (frame=0xffffffffb5ebf990, usermode=0) at /usr/src/sys/amd64/amd64/trap.c:580 #5 0xffffffff803b3298 in trap (frame= {tf_rdi = -140737488355328, tf_rsi = -140462618836904, tf_rdx = 0, tf_rcx = 140733193433088, tf_r8 = 34358689803, tf_r9 = 3, tf_rax = 0, tf_rbx = -2098796528, tf_rbp = -1242826096, tf_r10 = -1096448638976, tf_r11 = 1180350, tf_r12 = -2098796528, tf_r13 = -1094700759104, tf_r14 = -140462610448384, tf_r15 = 140737488355328, tf_trapno = 12, tf_addr = -140462618836904, tf_flags = -2117134080, tf_err = 0, tf_rip = -2143634674, tf_cs = 8, tf_rflags = 66050, tf_rsp = -1242826160, tf_ss = 16}) at /usr/src/sys/amd64/amd64/trap.c:353 #6 0xffffffff8039abdb in calltrap () at /usr/src/sys/amd64/amd64/exception.S:168 #7 0xffffffff803abb0e in pmap_remove_pages (pmap=0xffffff011ec007c0, sva=0, eva=140737488355328) at /usr/src/sys/amd64/amd64/pmap.c:383 #8 0xffffffff803860ca in vmspace_exit (td=0xffffff01251e0be0) at vm_map.h:251 #9 0xffffffff8026c93c in exit1 (td=0xffffff01251e0be0, rv=65280) at /usr/src/sys/kern/kern_exit.c:295 #10 0xffffffff8026d35e in sys_exit (td=0xffff800000000000, uap=0xffff803fff800058) at /usr/src/sys/kern/kern_exit.c:99 #11 0xffffffff803b3937 in syscall (frame= {tf_rdi = 255, tf_rsi = 4373030, tf_rdx = 0, tf_rcx = 0, tf_r8 = 0, tf_r9 = 0, tf_rax = 1, tf_rbx = 255, tf_rbp = 5489216, tf_r10 = 0, tf_r11 = 0, tf_r12 = 16, tf_r13 = 5507248, tf_r14 = 20, tf_r15 = 5507296, tf_trapno = 12, tf_addr = 34384731144, tf_flags = 12, tf_err = 2, tf_rip = 34383464812, tf_cs = 43, tf_rflags = 514, tf_rsp = 140737488339000, tf_ss = 35}) at /usr/src/sys/amd64/amd64/trap.c:803 #12 0xffffffff8039ad78 in Xfast_syscall () at /usr/src/sys/amd64/amd64/exception.S:270 #13 0x00000008016a096c in ?? () Previous frame inner to this frame (corrupt stack?) (kgdb) I do have the dump and debug kernel available. Ideas? LER -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 512-248-2683 E-Mail: ler@lerctr.org US Mail: 430 Valona Loop, Round Rock, TX 78681-3893