From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751434AbWGMMIo (ORCPT ); Thu, 13 Jul 2006 08:08:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751489AbWGMMIo (ORCPT ); Thu, 13 Jul 2006 08:08:44 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:38093 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S1751434AbWGMMIo (ORCPT ); Thu, 13 Jul 2006 08:08:44 -0400 Date: Thu, 13 Jul 2006 14:08:15 +0200 From: Pavel Machek To: Alan Stern Cc: Dave Jones , Kernel development list , David Brownell Subject: Re: annoying frequent overcurrent messages. Message-ID: <20060713120815.GA5727@elf.ucw.cz> References: <200607111747.13529.david-b@pacbell.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.11+cvs20060126 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > > I have a box that's having its dmesg flooded with.. > > > > hub 1-0:1.0: over-current change on port 1 > > hub 1-0:1.0: over-current change on port 2 > > hub 1-0:1.0: over-current change on port 1 > > hub 1-0:1.0: over-current change on port 2 > ... > > > over and over again.. > > The thing is, this box doesn't even have any USB devices connected to it, > > so there's absolutely nothing I can do to remedy this. > > Well, overcurrent is a potentially dangerous situation. That's why it > gets reported with dev_err priority. Well, I see overcurrents all the time while doing suspend/resume... Why is it dangerous? USB should survive plugging something that connects +5V and ground. It may turn your machine off, but that should be it...? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html