From owner-freebsd-current Thu May 2 9:35:50 2002 Delivered-To: freebsd-current@freebsd.org Received: from mail.wearix.com (lorien.wearix.com [193.197.4.2]) by hub.freebsd.org (Postfix) with ESMTP id A091F37B44B; Thu, 2 May 2002 09:35:27 -0700 (PDT) Received: from hry.muc.wearix.com (ad96e1d2b.dsl.de.colt.net [217.110.29.43]) by mail.wearix.com (Postfix on SuSE Linux 7.3 (i386)) with ESMTP id 75A7D3535; Thu, 2 May 2002 18:35:25 +0200 (CEST) Subject: Re: CD-Boot hangs on rootmounting MD (+DP1 crashes) From: Harald Schmalzbauer To: John Baldwin Cc: freebsd-current@FreeBSD.org In-Reply-To: References: Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Evolution/1.0 (Preview Release) Date: 02 May 2002 19:35:50 +0300 Message-Id: <1020357351.4519.8.camel@hry.muc.wearix.com> Mime-Version: 1.0 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Am Do , 2002-05-02 um 17.44 schrieb John Baldwin: > > On 02-May-2002 Harald Schmalzbauer wrote: > > Am Do , 2002-05-02 um 13.29 schrieb Harald Schmalzbauer: > > > > PXEbooting the -stable kernel.gz and mfsroot results in the same system > > hang (mounting root from ufs:/dev/md0c). > > > > DP1 crashes with the following: > > unknown: can't assign resources (port) > > unknown: can't assign resources (memory) > > psmcpnp0: irq resource info is missing; assuming irq 12 > > > > Fatal trap12: page fault while in kernel mode > > fault virtual address = 0x0 > > fault code = supervisor read, page not present > > instruction pointer = 0x8:0xc164cac1 > > stack pointer = 0x10:0xcb931d00 > > frame pointer = 0x10:0xcb931d1c > > 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 = 27 (irq10: sn0) > > trap number = 12 > > panic: page fault > > Can you stick ddb in this kernel adn get a traceback? It's a NULL > pointer dereference bug. > > Actually, for DP1, isn't ddb already in the kernel? OK, I found kernel.debug on the CD which I pxebooted and after typing 't' it gives me the following: _end(c2521300,cdaf7d48,c2521300,c0232754,0) at 0xc252da80 fork_exit(c0232754,c2521300,cdaf7d48) at fork_exit+0x98 fork_trampoline() at fork_trampoline+0x8 Just for info: I forgot to mention the built-in Bluetooth. Hope this helps, -Harry > > -- > > John Baldwin <>< http://www.FreeBSD.org/~jhb/ > "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message