Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751570Ab0LKTrT (ORCPT ); Sat, 11 Dec 2010 14:47:19 -0500 Received: from netrider.rowland.org ([192.131.102.5]:60724 "HELO netrider.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751557Ab0LKTrR (ORCPT ); Sat, 11 Dec 2010 14:47:17 -0500 Date: Sat, 11 Dec 2010 14:47:17 -0500 (EST) From: Alan Stern X-X-Sender: stern@netrider.rowland.org To: Larry Finger cc: pali.rohar@gmail.com, Greg Kroah-Hartman , USB list , LKML Subject: Re: [RFC/RFT] OHCI: Fix for regression in 2.6.37-rc1 since commit 3df7169e7 In-Reply-To: <4D03AACB.8020205@lwfinger.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1842 Lines: 41 On Sat, 11 Dec 2010, Larry Finger wrote: > > I don't see anything wrong with any of this. Where's the problem? > > The problem is that I get thousands of the "unable to enumerate" messages in the > logs. That PORT_OWNER does not seem to apply to this port. Everything seems to > work, but the log spamming is intolerable. Everything seems to work for the EHCI controller, the one you were looking at. But the OHCI controller isn't working, so that's where you need to concentrate your attention. ISTR before your computer broke you were trying to figure out why certain parts of the ohci-hcd initialization code weren't getting called. > I find the USB structure on this box to be confusing. The output of lsusb is > > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 001 Device 002: ID 04f2:b016 Chicony Electronics Co., Ltd VGA 30fps UVC Webcam > Bus 001 Device 005: ID 07d1:3300 D-Link System > Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > > There are 3 external USB ports, which are ports 3, 4, and 5 on the Bus 001 hub. There's probably at least one internal port, where that Chicony webcam is connected. Unless it's using an external port? > That is the one with iSerial of 1 0000:00:02.1. The other hubs do not seem to be > connected to anything. Bus 2 probably is not connected to anything. My guess is that bus 3 is also connected to the three external ports and bus 4 is not wired up. Alan Stern -- 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/