Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755515AbYGHOjS (ORCPT ); Tue, 8 Jul 2008 10:39:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753551AbYGHOjA (ORCPT ); Tue, 8 Jul 2008 10:39:00 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:57407 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753521AbYGHOjA (ORCPT ); Tue, 8 Jul 2008 10:39:00 -0400 Date: Tue, 8 Jul 2008 10:38:58 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Indan Zupancic cc: "Rafael J. Wysocki" , Matthew Dharm , USB development list , LKML , Greg KH , linux-scsi , Andrew Morton Subject: Re: 2.6.27-rc7-git1: usb-storage breakage with non-functional disk In-Reply-To: <14494.84.245.32.19.1215527306.squirrel@secure.samage.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: 950 Lines: 24 On Tue, 8 Jul 2008, Indan Zupancic wrote: > It's not something silly like the device saying it only needs 100mA > while in reality it needs 200mA? Or are those numbers only used to > calculate how many devices may be connected? If it's plugged directly into the computer then it should receive all the power it needs. Unless there's an option to give it more power (like a second USB connector with only the power lines attached)? > > It might work better at full speed than at high speed (although you > > probably don't want to use it in a degraded mode). > > I have ehci built-in, how can I force full speed? Hm, in the BIOS maybe. echo 5 >/sys/class/usb_host/usb_host1/companion 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/