From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753689Ab2LZTMq (ORCPT ); Wed, 26 Dec 2012 14:12:46 -0500 Received: from mail-pa0-f41.google.com ([209.85.220.41]:65365 "EHLO mail-pa0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751579Ab2LZTMn (ORCPT ); Wed, 26 Dec 2012 14:12:43 -0500 Message-ID: <50DB4C27.8040007@lwfinger.net> Date: Wed, 26 Dec 2012 13:12:39 -0600 From: Larry Finger User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: Alan Stern CC: LKML , linux-usb@vger.kernel.org Subject: Re: Regression in kernel 3.8-rc1 bisected to commit adfa79d: I now get many "unable to enumerate USB device" messages References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/26/2012 10:45 AM, Alan Stern wrote: > > I see. Do you happen to have CONFIG_USB_EHCI_HCD=y and > CONFIG_USB_EHCI_PCI=m in your .config? If you do, try changing > EHCI_PCI to y. One additional data point: When the EHCI and HCD parameters are set to y rather than m as in the list that follows, the enumerate messages do not occur. CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_EHCI=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_OHCI_HCD=y CONFIG_USB_EHCI_PCI=y # CONFIG_USB_OHCI_HCD_PLATFORM is not set # CONFIG_USB_EHCI_HCD_PLATFORM is not set CONFIG_USB_UHCI_HCD=y Larry