From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752188AbYJSXjT (ORCPT ); Sun, 19 Oct 2008 19:39:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751862AbYJSXjJ (ORCPT ); Sun, 19 Oct 2008 19:39:09 -0400 Received: from ozlabs.org ([203.10.76.45]:48347 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751816AbYJSXjI (ORCPT ); Sun, 19 Oct 2008 19:39:08 -0400 From: Rusty Russell To: lguest@ozlabs.org Subject: Re: [Lguest] lguest: unhandled trap Date: Mon, 20 Oct 2008 10:39:06 +1100 User-Agent: KMail/1.9.10 Cc: Tiago Maluta , linux-kernel@vger.kernel.org, Jeremy Fitzhardinge References: <559519.75404.qm@web50707.mail.re2.yahoo.com> In-Reply-To: <559519.75404.qm@web50707.mail.re2.yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200810201039.06581.rusty@rustcorp.com.au> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sunday 19 October 2008 10:36:51 Tiago Maluta wrote: > Hi, > > I'm using 2.6.27-05323-g26e9a39 and when I try to use lguest: > > ~#Documentation/lguest/lguest 128 vmlinux > lguest: unhandled trap 14 at 0xc0594f6a (0xff900000) Yes, I found the same issue. Does this fix it for you? Subject: lguest: don't try DMI dmi_scan_machine breaks under lguest; this is the simplest fix (though ugly). Perhaps this hurts Xen too? Error: lguest: unhandled trap 14 at 0xc04edeae (0xffa00000) Signed-off-by: Rusty Russell diff -r 47449cd8e3d8 drivers/firmware/dmi_scan.c --- a/drivers/firmware/dmi_scan.c Fri Oct 17 12:14:40 2008 +1100 +++ b/drivers/firmware/dmi_scan.c Fri Oct 17 20:54:30 2008 +1100 @@ -369,6 +369,11 @@ void __init dmi_scan_machine(void) char __iomem *p, *q; int rc; +#ifdef CONFIG_PARAVIRT + if (strcmp(pv_info.name, "lguest") == 0) + goto error; +#endif + if (efi_enabled) { if (efi.smbios == EFI_INVALID_TABLE_ADDR) goto error;