From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg Kroah-Hartman Subject: Re: Regression: commit e696c68363740d3a8fe495e353de3ff26b86257a prevents Linux 3.13 from booting on Lenovo X1 Carbon. Date: Mon, 20 Jan 2014 15:53:58 -0800 Message-ID: <20140120235358.GC5012@kroah.com> References: <20140120232652.GA5815@weetamoe.luzern.taprogge.wh> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail.linuxfoundation.org ([140.211.169.12]:36543 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751127AbaATXxM (ORCPT ); Mon, 20 Jan 2014 18:53:12 -0500 Content-Disposition: inline In-Reply-To: <20140120232652.GA5815@weetamoe.luzern.taprogge.wh> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Jens Taprogge Cc: Dmitry Torokhov , Thomas Hellstrom , linux-input@vger.kernel.org On Tue, Jan 21, 2014 at 12:26:52AM +0100, Jens Taprogge wrote: > Hello, > > I have bisected the boot failure of a Lenovo Thinkpad X1 Carbon to the > merge ea4ebd1cb093c8ec5d7f4bf9070dc444184c3971. What I call "boot > failure" refers to the fact that no console is shown, the machine only > reads from the disc for a very short time, and the machine does not > respond to Ctrl-Alt-Del, etc. > > As it turns out reverting e696c68363740d3a8fe495e353de3ff26b86257a > (Input: serio - fix sysfs layout) on top of v3.13 makes the machine boot > again. So far I have now clue how this commit can affect early boot > / showing of the console. > > Does it ring any bells for you? No, not at all, I don't see how that patch could prevent booting, especially as it is fixing a regression (i.e. putting things back the way they originally were.) very odd. greg k-h