Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760238AbXHaFqU (ORCPT ); Fri, 31 Aug 2007 01:46:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754235AbXHaFqF (ORCPT ); Fri, 31 Aug 2007 01:46:05 -0400 Received: from terminus.zytor.com ([198.137.202.10]:48749 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751530AbXHaFpx (ORCPT ); Fri, 31 Aug 2007 01:45:53 -0400 Message-ID: <46D7AAF7.1030105@zytor.com> Date: Thu, 30 Aug 2007 22:45:27 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.5 (X11/20070719) MIME-Version: 1.0 To: Will Simoneau CC: linux-kernel@vger.kernel.org Subject: Re: new x86 setup code hangs on Dell Inspiron 5150 References: <20070831015620.GA6259@ele.uri.edu> In-Reply-To: <20070831015620.GA6259@ele.uri.edu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1003 Lines: 24 Will Simoneau wrote: > While trying to put together a new kernel for my laptop (Dell I5150, as > in subject) I found that recent kernels just don't boot. Right after > grub loads the kernel, before the "Uncompressing Linux" message is > shown, it hangs. The BIOS appears to still be alive (ctrl-alt-del works, > keyboard lock LEDs respond). It seems to be caused by the new x86 setup > code. > > My kernel is Linus' git as of a1c582d0720f2eff61043e90711767decf37b917. > I bisected and confirmed that 4fd06960f120e02e9abc802a09f9511c400042a5 > triggers a non-functioning boot. > > This system has Dell BIOS rev A38 and a P4 3.2 w/HT. > > What should I do next to debug this problem? Can you put in some printf's in the code and see how far it gets? -hpa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/