From owner-freebsd-bugs@FreeBSD.ORG Mon Sep 5 15:20:21 2005 Return-Path: X-Original-To: freebsd-bugs@hub.freebsd.org Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7F9F216A41F for ; Mon, 5 Sep 2005 15:20:21 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3EA4643D5D for ; Mon, 5 Sep 2005 15:20:17 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.3/8.13.3) with ESMTP id j85FKGPc013121 for ; Mon, 5 Sep 2005 15:20:16 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.3/8.13.1/Submit) id j85FKGAg013120; Mon, 5 Sep 2005 15:20:16 GMT (envelope-from gnats) Resent-Date: Mon, 5 Sep 2005 15:20:16 GMT Resent-Message-Id: <200509051520.j85FKGAg013120@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, 8084 Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0133A16A41F for ; Mon, 5 Sep 2005 15:19:10 +0000 (GMT) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [216.136.204.117]) by mx1.FreeBSD.org (Postfix) with ESMTP id 851E743D6B for ; Mon, 5 Sep 2005 15:19:09 +0000 (GMT) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.13.1/8.13.1) with ESMTP id j85FJ9k6086210 for ; Mon, 5 Sep 2005 15:19:09 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.13.1/8.13.1/Submit) id j85FJ9vD086209; Mon, 5 Sep 2005 15:19:09 GMT (envelope-from nobody) Message-Id: <200509051519.j85FJ9vD086209@www.freebsd.org> Date: Mon, 5 Sep 2005 15:19:09 GMT From: 8084 To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-2.3 Cc: Subject: kern/85751: kernel panic : pppd : page fault while in kernel mode X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Sep 2005 15:20:21 -0000 >Number: 85751 >Category: kern >Synopsis: kernel panic : pppd : page fault while in kernel mode >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Sep 05 15:20:16 GMT 2005 >Closed-Date: >Last-Modified: >Originator: 8084 >Release: FreeBSD 6.0 beta1 with beta3 kernel >Organization: none >Environment: >Description: after ctrl+C pressed it's appear: Terminating on signal 2 read: Device not configured Couldn't delete default route: No such process Couldn't restore device fd flags: Device not configured ioctl(TIOCSETD): Device not configured ......................................... Fatal trap 12: page fault while in kernel mode cpuid=0; apic id=00 fault virtual address=0x30 fault code = supervisor read, page not present instruction pointer = 0x20:0xc04a51f8 stack pointer = 0x28: 0xd5750b48 frame pointer = 0x28:0xd5750ba8 code segment = base 0x0, limit 0xfffff, type 0x1b =DPL 0, pres 1, def 32 1, gran 1 processors eflags = interrupt enable, resume, IOPL=0 current process = 536(pppd) [thread pid 536 tid 100082] stopped at devfs_setattr+0x8e: movl 0x30(%ecx), %ecx db>trace Tracing pid 536 tid 100082 td 0xc212e780 devfs_setattr(d5750bec, c212e780, 0, d5750c2c, c1ea4660) at devfs_setattr+0x8e VOP_SETATTR_APV(c06f7dc0, f5750bec, 68, c1bce800, 267) at VOP_SETATTR_APV+0x9e setfmode(c212e780, c1ea4660, 2180, a02, 1) at setfmode+0xf5 fchmod( c212e780, d5750d04, 8, 422, 2) at fchmod+0xa4 syscall(36, 36, 36, 8021, 8) at sys call + 0x295 Xint0x80_syscall() at Xint0x80_syscall+01f --- syscall(124, FreeBSD ELF32, fchmod), eip = 0x280f2da7, esp = 0xbfbfeadc, ebp=0xbfbfead8 --- >How-To-Repeat: While pppd(version - 2.3.11) running, I unplug my usn modem, and pppd is still running, i press ctrl+C, and panic >Fix: >Release-Note: >Audit-Trail: >Unformatted: