From owner-freebsd-questions Wed Sep 1 13:45:22 1999 Delivered-To: freebsd-questions@freebsd.org Received: from grace.speakeasy.org (grace.speakeasy.org [206.191.160.34]) by hub.freebsd.org (Postfix) with ESMTP id 7F9CC154DA for ; Wed, 1 Sep 1999 13:45:19 -0700 (PDT) (envelope-from brianfr@speakeasy.org) Received: from localhost (brianfr@localhost) by grace.speakeasy.org (8.9.1/8.9.1) with ESMTP id NAA31420 for ; Wed, 1 Sep 1999 13:45:08 -0700 Date: Wed, 1 Sep 1999 13:45:08 -0700 (PDT) From: Brian Fritz To: freebsd-questions@freebsd.org Subject: Newly built kernel trap 12s Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Hi, I've been struggling to build a custom kernel (firewall and bridge) and have been stopped cold by the latest problem. I'm getting a trap 12 when the boot kernel attempts (apparently) to change the root device to the slice where FreeBSD lives. I'm running a 486/133 with a 3G IDE drive, and an SIIG controller that supports LBA. The stock 3.2 "installation" kernel boots fine. I read a note on debugging "trap 12" problems in the archives, but I'm hoping that someone has some generic causes, or configuration errors I should check for. TIA... Brian -> Console messages from new kernel <- npx0 on motherboard npx0: INT 16 interface Fatal trap 12: page fault while in kernel mode fault virtual address = 0x58 fault code = supervisor read, page not present instruction pointer = 0x8:0xc01b09bb stack pointer = 0x10:0xc0275f84 frame pointer = 0x10:0xc0275f88 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 = 0 () interrupt mask = trap number = 12 panic: page fault Automatic Reboot in 15 seconds... -> /var/log/messages from install kernel <- /kernel.save: npx0 on motherboard /kernel.save: npx0: INT 16 interface /kernel.save: changing root device to wd0s2a -> /usr/src/sys/i386/conf/MYKERNEL <- #config kernel root on wd0 config kernel root on wd0s2a Any help or suggestions would be appreciated. Brian To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message