From owner-freebsd-hackers Sat Feb 8 04:22:21 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id EAA08961 for hackers-outgoing; Sat, 8 Feb 1997 04:22:21 -0800 (PST) Received: from sax.sax.de (sax.sax.de [193.175.26.33]) by freefall.freebsd.org (8.8.5/8.8.5) with SMTP id EAA08953 for ; Sat, 8 Feb 1997 04:22:12 -0800 (PST) Received: (from uucp@localhost) by sax.sax.de (8.6.12/8.6.12-s1) with UUCP id NAA25264; Sat, 8 Feb 1997 13:22:01 +0100 Received: (from j@localhost) by uriah.heep.sax.de (8.8.5/8.6.9) id MAA25879; Sat, 8 Feb 1997 12:57:52 +0100 (MET) Message-ID: Date: Sat, 8 Feb 1997 12:57:52 +0100 From: j@uriah.heep.sax.de (J Wunsch) To: dwhite@resnet.uoregon.edu (Doug White) Cc: hackers@FreeBSD.ORG Subject: Re: ASUS MB panics References: X-Mailer: Mutt 0.55-PL10 Mime-Version: 1.0 X-Phone: +49-351-2012 669 X-PGP-Fingerprint: DC 47 E6 E4 FF A6 E9 8F 93 21 E0 7D F9 12 D6 4E Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) In-Reply-To: ; from Doug White on Feb 7, 1997 17:30:30 -0800 Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk As Doug White wrote: > I've been having a heck of a time getting an ASUS P/I P55T2P4 motherboard > working with my custom 2.2 kernels. Just for the record, this board works fine for me. > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0x0 > fault code = supervisor read, page not present > instruction pointer = 0x8:0x0 > stack pointer = 0x10:0xefbffe2c > frame pointer = 0x10:0xefbffe84 > 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 = 5 (sh) > interrupt mask = net tty > panic: page fault Umm. It executes a null pointer. This is hard to track offline. Can you configure DDB, and try to look at the stack to learn where it happens? (You could also configure remote gdb, but don't ask me for a documentation of this.) -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)