From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 01 Aug 2003 18:47:33 +0100 (BST) Received: from gateway-1237.mvista.com ([IPv6:::ffff:12.44.186.158]:36599 "EHLO orion.mvista.com") by linux-mips.org with ESMTP id ; Fri, 1 Aug 2003 18:47:31 +0100 Received: (from jsun@localhost) by orion.mvista.com (8.11.6/8.11.6) id h71HlPU15176; Fri, 1 Aug 2003 10:47:25 -0700 Date: Fri, 1 Aug 2003 10:47:25 -0700 From: Jun Sun To: Atsushi Nemoto Cc: macro@ds2.pg.gda.pl, linux-mips@linux-mips.org, jsun@mvista.com Subject: Re: Malta + USB on 2.4, anyone? Message-ID: <20030801104725.I11120@mvista.com> References: <20030731103629.D14914@mvista.com> <20030731111506.F14914@mvista.com> <20030801.172623.85417982.nemoto@toshiba-tops.co.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20030801.172623.85417982.nemoto@toshiba-tops.co.jp>; from anemo@mba.ocn.ne.jp on Fri, Aug 01, 2003 at 05:26:23PM +0900 Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 2964 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: jsun@mvista.com Precedence: bulk X-list: linux-mips On Fri, Aug 01, 2003 at 05:26:23PM +0900, Atsushi Nemoto wrote: > >>>>> On Thu, 31 Jul 2003 11:15:06 -0700, Jun Sun said: > jsun> I suspect the main UHCI driver does not get cache flushing or > jsun> bus/virt address right. > > It seems usb_control_msg is not safe with an unaligned buffer. Is > this patch solve your problem? > Nope. The symptoms of erractic hw behavior seems to suggest maybe addressing is wrong in physical space. Just a guess. I don't think I will spend more time on this though. :) Thanks for the patch. Jun