Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752370AbYKGI32 (ORCPT ); Fri, 7 Nov 2008 03:29:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751344AbYKGI3S (ORCPT ); Fri, 7 Nov 2008 03:29:18 -0500 Received: from poseidon.rz.tu-clausthal.de ([139.174.2.21]:49272 "EHLO poseidon.rz.tu-clausthal.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750929AbYKGI3R (ORCPT ); Fri, 7 Nov 2008 03:29:17 -0500 From: Volker Armin Hemmann To: "Yang, Libin" Subject: Re: 2.6.27: ehci bug with AMD 770nb/SB700 southbridge. usb lockup Date: Fri, 7 Nov 2008 09:27:56 +0100 User-Agent: KMail/1.10.90 (Linux/2.6.27.4r4; KDE/4.1.71; x86_64; ; ) Cc: "Greg KH" , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, "Huang, Shane" References: <200810300215.18792.volker.armin.hemmann@tu-clausthal.de> <20081030055410.GB19035@kroah.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200811070927.57506.volker.armin.hemmann@tu-clausthal.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1163 Lines: 27 Hi, when I load ohci-hcd first and ehci-hcd second and make sure that the usb-port for the mouse does not share its interrupt with the graphic card, everything works (almost) fine. With big transfers from or to a harddisk in an enclosure the mouse is sometimes a bit jerky. Bus 007 Device 001: ID 1d6b:0002 Bus 006 Device 004: ID 05e3:0702 Genesys Logic, Inc. USB 2.0 IDE Adapter Bus 006 Device 002: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB Bus 006 Device 001: ID 1d6b:0002 Bus 005 Device 001: ID 1d6b:0001 Bus 004 Device 001: ID 1d6b:0001 Bus 003 Device 001: ID 1d6b:0001 Bus 002 Device 001: ID 1d6b:0001 Bus 001 Device 005: ID 046d:c518 Logitech, Inc. MX610 Laser Cordless Mouse Bus 001 Device 001: ID 1d6b:0001 bus 1 is ohci. bus 6 is ehci. But if the mouse is connected to a ehci port or the ehci hub, as soon as data transfers from or to an usb connected storage device starts, it will lock up. -- 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/