From owner-freebsd-hackers@FreeBSD.ORG Sat Jun 28 05:40:12 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D638A106564A for ; Sat, 28 Jun 2008 05:40:12 +0000 (UTC) (envelope-from yanefbsd@gmail.com) Received: from fg-out-1718.google.com (fg-out-1718.google.com [72.14.220.153]) by mx1.freebsd.org (Postfix) with ESMTP id 45CA08FC15 for ; Sat, 28 Jun 2008 05:40:11 +0000 (UTC) (envelope-from yanefbsd@gmail.com) Received: by fg-out-1718.google.com with SMTP id l26so466050fgb.35 for ; Fri, 27 Jun 2008 22:40:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:mime-version:content-type:content-transfer-encoding :content-disposition; bh=qrReUM97B30igAzoi7pi9FNMUSBESv+PPvUam0mFiKg=; b=mQwbde9DVvdVFAbxMEbvrvse5fchXrVcJpomG6XCMoQf1DnNXbxzgQPMv3UdNbInah 5gL8IIH0+tjQ2HcxcP1PC6bad4YdF0f+U7obuSB3du1LKLlMTuvEMXfZPUKLOHaY2YOZ zdCAES7iYFkhaUcDBISyBJD9ZRtI6lBdFRlKk= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:mime-version:content-type :content-transfer-encoding:content-disposition; b=pgPTaZ3kzSKfw01HPd+cUrey8hGYyq0sHCXYsXvDCRJF3xzlPMcKplJ044OO7a/j6r 9X6GVQFvovLny1i9BBPW2y6nS6SKuE6NlPKshWdmNqP5JtnonAu28uKWXqhtvDO0+v0H NQnp8qau+SD8IFxcb0w7dBnTbapUB/bog7Gh0= Received: by 10.86.92.7 with SMTP id p7mr3011529fgb.72.1214631610936; Fri, 27 Jun 2008 22:40:10 -0700 (PDT) Received: by 10.86.51.1 with HTTP; Fri, 27 Jun 2008 22:40:10 -0700 (PDT) Message-ID: <7d6fde3d0806272240qdb16e5fh557ed9896b60920e@mail.gmail.com> Date: Fri, 27 Jun 2008 22:40:10 -0700 From: "Garrett Cooper" To: "FreeBSD Hackers" MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline Subject: Debugging kernel issue with bus code X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 28 Jun 2008 05:40:12 -0000 Hi all, Due to my RAID5 array failing and my poking around trying to get stuff to work, I've come up with a deterministic means of getting the kernel to panic when it attempts to use generic_bcopy in device_attach. Unfortunately my x86 ASM is non-existent and while I'm a passable gdb user, I have not the faintest clue about how to debug the issue in ddb. So, I was wondering if anyone was willing to help me debug the issue... Thanks, -Garrett