Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760724AbXIOJwh (ORCPT ); Sat, 15 Sep 2007 05:52:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752899AbXIOJw3 (ORCPT ); Sat, 15 Sep 2007 05:52:29 -0400 Received: from smtp2.linux-foundation.org ([207.189.120.14]:52177 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753163AbXIOJw2 (ORCPT ); Sat, 15 Sep 2007 05:52:28 -0400 Date: Sat, 15 Sep 2007 02:52:08 -0700 From: Andrew Morton To: "tx tox" Cc: linux-kernel@vger.kernel.org, Eric Cooper , linux-acpi@vger.kernel.org Subject: Re: boot hangs with SMP, USB storage, and ACPI Message-Id: <20070915025208.acb03ad3.akpm@linux-foundation.org> In-Reply-To: <9b9c8e900709120600n3ffa9b6fn1bd514672d2e9bc1@mail.gmail.com> References: <9b9c8e900709120600n3ffa9b6fn1bd514672d2e9bc1@mail.gmail.com> X-Mailer: Sylpheed 2.4.1 (GTK+ 2.8.17; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1834 Lines: 50 (cc restored. Please always do reply-to-all) (linux-acpi cc added) On Wed, 12 Sep 2007 15:00:41 +0200 "tx tox" wrote: > On 12 Lip 2006, 00:41, Eric Cooper wrote: > > When I try toboota 2.6.17 kernel compiled forSMP(hyperthreading), > > it hangs early in thebootsequence (after printing "FreeingSMP > > alternatives"). The issue seems to be an interaction between a > > USB-storage device (an empty flash card reader built into the > > monitor) andACPI. > > > > It boots fine if I do any one of these: > > - physically disconnect theUSBdevice > > - disableUSBsupport in the BIOS > > -bootwithacpi=ht > > but none of these is completely satisfactory. > > > > I'll happily supply more details, run tests, etc. if anyone is > > interested in looking at this. Thanks, and please CC me if you > > respond. > > > > -- > > Eric Cooper e c c @ c m u . e d u > > > I have exactly the same problem > This happens whenever i boot machine with reader on > or usbstick plugged in. > It happens with newer kernels as well. > It is little bit annoying to reset machine just because i forgot > to switch off the printer which has card reader equipped ;) > some goofing with printks suggests ACPI as a place whenre it freezes. > But i got no proof for that. > Any suggestions are welcome. Could you both please test 2.6.22 (or 2.6.23, soon) and if the bug is still present, raise a report against acpi at bugzilla.kernel.org? We'd be particularly internested in knowing if any earlier 2.6 kernel worked OK and if so, which version(s). Thanks. - 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/