From owner-freebsd-current Thu Mar 13 14:26:52 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id OAA24419 for current-outgoing; Thu, 13 Mar 1997 14:26:52 -0800 (PST) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.95.76.54]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id OAA24374; Thu, 13 Mar 1997 14:24:57 -0800 (PST) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.8.5/8.7.3) id OAA07965; Thu, 13 Mar 1997 14:26:41 -0800 (PST) From: "Steven G. Kargl" Message-Id: <199703132226.OAA07965@troutmask.apl.washington.edu> Subject: Re: union mounts seem to work In-Reply-To: <199703131941.LAA16704@freefall.freebsd.org> from Jeffrey Hsu at "Mar 13, 97 11:41:22 am" To: hsu@freefall.freebsd.org (Jeffrey Hsu) Date: Thu, 13 Mar 1997 14:26:40 -0800 (PST) Cc: bde@freefall.freebsd.org, current@freefall.freebsd.org X-Mailer: ELM [version 2.4ME+ PL30 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-current@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk According to Jeffrey Hsu: > Have you tried rebooting your computer single-user and manually running > fsck? :-) > You won't happen to be getting a "Fatal trap 12" when you reboot? root[0]: shutdown -r now gives Fatal trap 12: page fault while in kernel mode fault virtual address = 0x8 fault code = supervisor read, page not present instruction pointer = 0x8:0xf013fd15 stack pointer = 0x10:0xefbffe5c frame pointer = 0x10:0xefbffe60 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def 32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL=0 current process = 1862 (reboot) interrupt mask = kernel: type 12 trap, code = 0 stopped at _spec_strategy+0x15: movl 0x8(%eax), %eax The mounted filesystems are not unmounted before the trap and I get dropped into the debugger. A hard reset shows all filesystems have some damage. Kernel and make world from sources circa 970312, 1000 PST. -- Steve