From owner-freebsd-xen@FreeBSD.ORG Sun Jun 7 04:24:03 2009 Return-Path: Delivered-To: freebsd-xen@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6C0001065677 for ; Sun, 7 Jun 2009 04:24:03 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-qy0-f173.google.com (mail-qy0-f173.google.com [209.85.221.173]) by mx1.freebsd.org (Postfix) with ESMTP id 206538FC16 for ; Sun, 7 Jun 2009 04:24:02 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by qyk3 with SMTP id 3so3427047qyk.3 for ; Sat, 06 Jun 2009 21:24:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to:cc :content-type:content-transfer-encoding; bh=iCUc+ChTPBul44TCjqN7MGJ2FxIfuvBPSmcJT8zgy3Q=; b=pWrDgQkCru/wt9F+74IAA9DieK1GbPMKnnxFtOTpehMqQhRJrCZJUsLV7hVadzEWrM NRARQI6NHUy99jG2d05hH/gl6ZzghNGWYdS+3UMrvIwmPu4NISHAuPAqCgniCNGeXjtJ HAZUXMMA3LQFnBOn2UbTcWgU1EXu0EKjIvSwM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=tXSebNDXDd4Lhplmd74gXMIEIftT+dTtaeKihkltb7nFakh+KxZ3WLnE7fIHCFb9j6 9zCaM+G36dwd6MSJXRc8OmOcI3iIwQbjeVuC7G5Wx//4KSowoW8j8J2eL2mhxdvJctj+ klIoM7qwfxErsipBMWnxPL/YKYwBefGrfICXk= MIME-Version: 1.0 Sender: adrian.chadd@gmail.com Received: by 10.229.81.144 with SMTP id x16mr1170489qck.69.1244348642461; Sat, 06 Jun 2009 21:24:02 -0700 (PDT) In-Reply-To: <4A2A962A.9050207@ruomad.net> References: <4A2864E1.40208@ruomad.net> <4A28A674.6020809@ruomad.net> <4A28AA18.3010808@ruomad.net> <4A2A962A.9050207@ruomad.net> Date: Sun, 7 Jun 2009 12:24:02 +0800 X-Google-Sender-Auth: c54df68514514078 Message-ID: From: Adrian Chadd To: Bruno Damour Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-xen@freebsd.org Subject: Re: freebsd on opensolaris dom0 X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Jun 2009 04:24:03 -0000 2009/6/7 Bruno Damour : > =A0 Fatal trap 12: page fault while in kernel mode > =A0 cpuid =3D 0; apic id =3D 00 > =A0 fault virtual address =A0 =A0=3D 0x2 > =A0 fault code =A0 =A0 =A0 =A0=3D supervisor read, page not present > =A0 instruction pointer =A0 =A0=3D 0x21:0xc02f719b > =A0 stack pointer =A0 =A0 =A0 =A0 =A0 =A0=3D 0x29:0xc3527bc8 > =A0 frame pointer =A0 =A0 =A0 =A0 =A0 =A0=3D 0x29:0xc3527bf8 > =A0 code segment =A0 =A0 =A0 =A0=3D base 0x0, limit 0xf9800, type 0x1b > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =3D DPL 1, pres 1, def32 1, gran 1 > =A0 processor eflags =A0 =A0=3D interrupt enabled, resume, IOPL =3D 0 > =A0 current process =A0 =A0 =A0 =A0=3D 12 (irq135: xn) > =A0 [thread pid 12 tid 100024 ] > =A0 Stopped at =A0 =A0 =A0xlvbd_add+0x204b: =A0 =A0 =A0 cmpl =A0 =A0$0,0(= %edx) That seems to be dereferencing a mbuf pointer. I'll look into it. What are you doing to trigger this condition again? Adrian