From owner-freebsd-bugs@FreeBSD.ORG Tue Oct 16 20:40:01 2007 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 A5E6616A418 for ; Tue, 16 Oct 2007 20:40:01 +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 8CD7013C467 for ; Tue, 16 Oct 2007 20:40:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.1/8.14.1) with ESMTP id l9GKe1Th016772 for ; Tue, 16 Oct 2007 20:40:01 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.1/8.14.1/Submit) id l9GKe1Pp016771; Tue, 16 Oct 2007 20:40:01 GMT (envelope-from gnats) Resent-Date: Tue, 16 Oct 2007 20:40:01 GMT Resent-Message-Id: <200710162040.l9GKe1Pp016771@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, Oles Hnatkevych Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 47E0C16A468 for ; Tue, 16 Oct 2007 20:35:55 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id 3DE9413C45B for ; Tue, 16 Oct 2007 20:35:55 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.1/8.14.1) with ESMTP id l9GKZirc022840 for ; Tue, 16 Oct 2007 20:35:44 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.1/8.14.1/Submit) id l9GKZiWU022839; Tue, 16 Oct 2007 20:35:44 GMT (envelope-from nobody) Message-Id: <200710162035.l9GKZiWU022839@www.freebsd.org> Date: Tue, 16 Oct 2007 20:35:44 GMT From: Oles Hnatkevych To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/117256: kgdb: cannot read PTD 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: Tue, 16 Oct 2007 20:40:01 -0000 >Number: 117256 >Category: kern >Synopsis: kgdb: cannot read PTD >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Oct 16 20:40:01 UTC 2007 >Closed-Date: >Last-Modified: >Originator: Oles Hnatkevych >Release: 6.2-STABLE >Organization: >Environment: FreeBSD murzik.oles.net 6.2-STABLE FreeBSD 6.2-STABLE #2: Mon Oct 15 16:10:24 EEST 2007 root@murzik.oles.net:/usr/src/sys/i386/compile/MURZIK i386 >Description: I have box crashing when using fusefs ntfs module. But the problem is that kgdb can not read coredump: murzik:root# kgdb kernel.debug /var/crash/vmcore.0 kgdb: cannot read PTD murzik:root# more info.0 Dump header from device /dev/ad0s1b Architecture: i386 Architecture Version: 2 Dump Length: 1610158080B (1535 MB) Blocksize: 512 Dumptime: Tue Oct 16 23:08:55 2007 Hostname: murzik.oles.net Magic: FreeBSD Kernel Dump Version String: FreeBSD 6.2-STABLE #2: Mon Oct 15 16:10:24 EEST 2007 root@murzik.oles.net:/usr/src/sys/i386/compile/MURZIK Panic String: page fault Dump Parity: 626449165 Bounds: 0 Dump Status: good murzik:root# file vmcore.0 vmcore.0: ELF 32-bit LSB core file Intel 80386, invalid version (embedded) If we can not debug the kernel we can not fix crash bugs! >How-To-Repeat: mount_ntfs-3g /dev/da0s1 /mnt cd /mnt mv some-file /root/ >Fix: >Release-Note: >Audit-Trail: >Unformatted: