Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757997AbYJWXkP (ORCPT ); Thu, 23 Oct 2008 19:40:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752294AbYJWXj7 (ORCPT ); Thu, 23 Oct 2008 19:39:59 -0400 Received: from mx1.suse.de ([195.135.220.2]:60692 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752186AbYJWXj6 (ORCPT ); Thu, 23 Oct 2008 19:39:58 -0400 Date: Thu, 23 Oct 2008 16:36:19 -0700 From: Greg KH To: Larry Finger Cc: linux-usb@vger.kernel.org, LKML Subject: Re: [PATCH] usbcore: Limit number of 'unable to enumerate USB device' messages Message-ID: <20081023233619.GA21531@suse.de> References: <49010A25.6020702@lwfinger.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <49010A25.6020702@lwfinger.net> User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 854 Lines: 20 On Thu, Oct 23, 2008 at 04:35:01PM -0700, Larry Finger wrote: > In my system, a number of messages that state "unable to enumerate USB device" > are logged. These are intermittent and likely due to some race condition > at bootup. > > Some of these happen when the EHCI driver is loaded after UHCI or OHCI, which > causes the device to be switched away from the other controller that's trying > to enumerate it, at least momentarily. This type of message is logged at most > once for each hub and occurs in about 70% of my reboots. What kernel version are you having these problems with? thanks, greg k-h -- 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/