From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261401AbUCCGeI (ORCPT ); Wed, 3 Mar 2004 01:34:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261417AbUCCGeI (ORCPT ); Wed, 3 Mar 2004 01:34:08 -0500 Received: from fw.osdl.org ([65.172.181.6]:16077 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S261401AbUCCGeC (ORCPT ); Wed, 3 Mar 2004 01:34:02 -0500 Date: Tue, 2 Mar 2004 22:30:01 -0800 From: "Randy.Dunlap" To: wa1ter@myrealbox.com Cc: lkml Subject: Re: [2.6.x] USB Zip drive kills ps2 mouse. Message-Id: <20040302223001.463b947f.rddunlap@osdl.org> In-Reply-To: <20040302164756.6e41a3c6.rddunlap@osdl.org> References: <20040302164756.6e41a3c6.rddunlap@osdl.org> Organization: OSDL X-Mailer: Sylpheed version 0.9.8a (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org | Randy.Dunlap wrote: | > | From: walt | > | To: Linux Kernel | > | Subject: [2.6.x] USB Zip drive kills ps2 mouse. | > | | > | | > | Could I ask anyone with a USB Zip drive and a ps2 mouse to try | > | to confirm this bizarre bug for me? | > | | > | To reproduce it should be simple: | > | | > | 1) Compile USB support as modular, *not* compiled in. | > | | > | 2) The USB Zip drive *must* be plugged in during boot. | > | This bug won't show if you plug in the drive later. | > | | > | 3) Reboot and see if your ps2 mouse works. | > | > Hi, | > | > I'm not seeing a problem with this. I'm using 2.6.4-rc1. | > | > However, you didn't mention what modules were being loaded | > automatically, so we could have a difference in that area. | > If you care to specify a module list, I can test it again. | > | > And is your USB Zip drive on a UHCI or OHCI controller? | > I have both, so I can test it either way. | | I've narrowed it down to the uhci_hcd module -- all the rest can | be compiled in or as modules, doesn't matter. | | Just in case I was vague: the Zip drive works great regardless -- | it's only the ps2 mouse which is affected by this weird problem. | No cursor movement at all if the Zip is plugged in during boot. | | ASUS A7V8X mobo, in case it matters: | 00:10.0 USB Controller: VIA Technologies, Inc. VT6202 [USB 2.0 controller] (rev 80) | 00:10.1 USB Controller: VIA Technologies, Inc. VT6202 [USB 2.0 controller] (rev 80) | 00:10.2 USB Controller: VIA Technologies, Inc. VT6202 [USB 2.0 controller] (rev 80) | 00:10.3 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 82) | | Things that make no difference to this problem: ACPI, PnP, udev versus devfs. | I'm also using 2.6.4-rc1. I have not tested for this bug on any 2.6.x prior | to a week ago, but I have tried recent 2.4.x kernels and I do not see this bug | with them. Is VIA (still) UHCI for USB 1.1? Maybe it's a VIA UHCI controller problem. I suggest taking it up on . -- ~Randy