From owner-freebsd-bugs@FreeBSD.ORG Sun Aug 3 16:50:05 2008 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 12231106567D for ; Sun, 3 Aug 2008 16:50:05 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 00E588FC19 for ; Sun, 3 Aug 2008 16:50:05 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.2/8.14.2) with ESMTP id m73Go48G050262 for ; Sun, 3 Aug 2008 16:50:04 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.2/8.14.1/Submit) id m73Go4h6050261; Sun, 3 Aug 2008 16:50:04 GMT (envelope-from gnats) Date: Sun, 3 Aug 2008 16:50:04 GMT Message-Id: <200808031650.m73Go4h6050261@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org From: Mani chandra Cc: Subject: Re: kern/126089: [panic] Fatal trap 12: page fault while in kernel mode X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Mani chandra List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 03 Aug 2008 16:50:05 -0000 The following reply was made to PR kern/126089; it has been noted by GNATS. From: Mani chandra To: bug-followup@FreeBSD.org, mchandra@iitk.ac.in Cc: Subject: Re: kern/126089: [panic] Fatal trap 12: page fault while in kernel mode Date: Sun, 03 Aug 2008 22:16:50 +0530 Hi, I had another crash today and the following is the backtrace. Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0x810698bc fault code = supervisor read, page not present instruction pointer = 0x20:0xc05dab78 stack pointer = 0x28:0xe6e86b98 frame pointer = 0x28:0xe6e86bb8 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 = 858 (gkrellm) trap number = 12 panic: page fault cpuid = 1 Uptime: 26m3s Physical memory: 3573 MB Dumping 217 MB: 202 186 170 154 138 122 106 90 74 58 42 26 10 #0 doadump () at pcpu.h:195 195 pcpu.h: No such file or directory. in pcpu.h (kgdb) bt #0 doadump () at pcpu.h:195 #1 0xc0579cf1 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409 #2 0xc0579fc4 in panic (fmt=Variable "fmt" is not available. ) at /usr/src/sys/kern/kern_shutdown.c:563 #3 0xc078b144 in trap_fatal (frame=0xe6e86b58, eva=2164693180) at /usr/src/sys/i386/i386/trap.c:899 #4 0xc078b394 in trap_pfault (frame=0xe6e86b58, usermode=0, eva=2164693180) at /usr/src/sys/i386/i386/trap.c:812 #5 0xc078bcfa in trap (frame=0xe6e86b58) at /usr/src/sys/i386/i386/trap.c:490 #6 0xc07736ab in calltrap () at /usr/src/sys/i386/i386/exception.s:139 #7 0xc05dab78 in brelse (bp=0xc74054a4) at /usr/src/sys/kern/vfs_bio.c:321 #8 0xc05b2741 in soo_write (fp=0xc6fdeab0, uio=0xe6e86c60, active_cred=0xc7368b00, flags=0, td=0xc7407440) at /usr/src/sys/kern/sys_socket.c:103 #9 0xc05ac085 in dofilewrite (td=0xc7407440, fd=3, fp=0xc6fdeab0, auio=0xe6e86c60, offset=-1, flags=0) at file.h:254 #10 0xc05ac321 in kern_writev (td=0xc7407440, fd=3, auio=0xe6e86c60) at /usr/src/sys/kern/sys_generic.c:401 #11 0xc05ac38d in write (td=0xc7407440, uap=0xe6e86cfc) at /usr/src/sys/kern/sys_generic.c:317 #12 0xc078b6d5 in syscall (frame=0xe6e86d38) at /usr/src/sys/i386/i386/trap.c:1035 #13 0xc0773710 in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception.s:196 #14 0x00000033 in ?? () Previous frame inner to this frame (corrupt stack?)