From owner-freebsd-current@FreeBSD.ORG Sat Jun 30 16:00:32 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 2E51716A400 for ; Sat, 30 Jun 2007 16:00:32 +0000 (UTC) (envelope-from kazuaki@aliceblue.jp) Received: from pd5f7be.tokyff01.ap.so-net.ne.jp (pd5f7be.tokyff01.ap.so-net.ne.jp [202.213.247.190]) by mx1.freebsd.org (Postfix) with ESMTP id ECBBE13C447 for ; Sat, 30 Jun 2007 16:00:31 +0000 (UTC) (envelope-from kazuaki@aliceblue.jp) Received: from eyes.aliceblue.jp (dhcp21.aliceblue.jp [192.168.11.21]) by pd5f7be.tokyff01.ap.so-net.ne.jp (Postfix) with ESMTP id 12126597C72 for ; Sun, 1 Jul 2007 01:00:31 +0900 (JST) Message-ID: <46867E0C.50902@aliceblue.jp> Date: Sun, 01 Jul 2007 01:00:12 +0900 From: Kazuaki ODA User-Agent: Thunderbird 2.0.0.4 (X11/20070624) MIME-Version: 1.0 To: freebsd-current@freebsd.org Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Subject: kernel panic on today's CURRENT when running sysctl -a X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Sat, 30 Jun 2007 16:00:32 -0000 Hi, I got the following panic on 7.0-CURRENT cvsup'ed today when running sysctl -a: Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0xc0 fault code = supervisor read, page not present instruction pointer = 0x20:0xc06e2d11 stack pointer = 0x28:0xe669aaa4 frame pointer = 0x28:0xe669aaa4 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 = 2200 (sysctl) trap number = 12 panic: page fault cpuid = 1 Uptime: 3h8m20s Physical memory: 1001 MB Dumping 139 MB: 124 108 92 76 60 44 28 12 #0 doadump () at pcpu.h:195 195 __asm __volatile("movl %%fs:0,%0" : "=r" (td)); (kgdb) bt #0 doadump () at pcpu.h:195 #1 0xc074b957 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409 #2 0xc074bc19 in panic (fmt=Variable "fmt" is not available. ) at /usr/src/sys/kern/kern_shutdown.c:563 #3 0xc0a04ade in trap_fatal (frame=0xe669aa64, eva=192) at /usr/src/sys/i386/i386/trap.c:870 #4 0xc0a04d60 in trap_pfault (frame=0xe669aa64, usermode=0, eva=192) at /usr/src/sys/i386/i386/trap.c:784 #5 0xc0a056c2 in trap (frame=0xe669aa64) at /usr/src/sys/i386/i386/trap.c:462 #6 0xc09eb66b in calltrap () at /usr/src/sys/i386/i386/exception.s:139 #7 0xc06e2d11 in dev2udev (x=0xc40b1c00) at /usr/src/sys/fs/devfs/devfs_vnops.c:1308 #8 0xc078c9d2 in sysctl_kern_ttys (oidp=0xc0b390e0, arg1=0x0, arg2=0, req=0xe669aba4) at /usr/src/sys/kern/tty.c:3069#9 0xc07550f7 in sysctl_root (oidp=Variable "oidp" is not available. ) at /usr/src/sys/kern/kern_sysctl.c:1306 #10 0xc0755244 in userland_sysctl (td=0xc4395440, name=0xe669ac14, namelen=2, old=0x0, oldlenp=0xbfbfe0f4, inkernel=0, new=0x0, newlen=0, retval=0xe669ac10, flags=0) at /usr/src/sys/kern/kern_sysctl.c:1401 #11 0xc0755fde in __sysctl (td=0xc4395440, uap=0xe669acfc) at /usr/src/sys/kern/kern_sysctl.c:1336 #12 0xc0a050b5 in syscall (frame=0xe669ad38) at /usr/src/sys/i386/i386/trap.c:1006 #13 0xc09eb6d0 in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception.s:196 #14 0x00000033 in ?? () Previous frame inner to this frame (corrupt stack?) (kgdb) frame 7 #7 0xc06e2d11 in dev2udev (x=0xc40b1c00) at /usr/src/sys/fs/devfs/devfs_vnops.c:1308 1308 return (x->si_priv->cdp_inode); (kgdb) p x $1 = (struct cdev *) 0xc40b1c00 (kgdb) p x->si_priv $2 = (struct cdev_priv *) 0x0 I can give you more information if required since I have the kernel core dump file. -- Kazuaki ODA