From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Brownell Subject: Re: HS USB errors on OMAP3530 Date: Thu, 7 Aug 2008 19:25:48 -0700 Message-ID: <200808071925.48816.david-b@pacbell.net> References: <1f11a5490808071135i3ac8e5dfl4076c21c5296d254@mail.gmail.com> <200808071238.30983.david-b@pacbell.net> <1f11a5490808071823w49964e5l3be66767a8383228@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from smtp115.sbc.mail.sp1.yahoo.com ([69.147.64.88]:46839 "HELO smtp115.sbc.mail.sp1.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1755233AbYHHCZu (ORCPT ); Thu, 7 Aug 2008 22:25:50 -0400 In-Reply-To: <1f11a5490808071823w49964e5l3be66767a8383228@mail.gmail.com> Content-Disposition: inline Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Ashwin Bihari Cc: linux-omap@vger.kernel.org On Thursday 07 August 2008, Ashwin Bihari wrote: > I did use a Total Phase Beagle 480USB protocol analyzer when this > issue first manifested, but there is nothing that jumped out at me as > a possible error or glitch. It just looks like the transactions just > stopped mid-way without any rhyme or reason. Why don't you post such a log, ideally with matching Linux kernel log data. Maybe something would jump out to other folk. :) > I've noticed this issue with a couple of HS flash drives, as well as, > a FS CD-ROM drive. > > Would the "let SET_ADDRESS settle" change only affect the initial > detection? My initial insertion of device works great, Good. > the errors I > showed are after I do a read of a large amount of data from the Flash > drive and essentially wedge something in the USB stream. What I'd like to establish is whether this is a case of the flash drive flaking out (that does happen on low end hardware!) or else there's something wrong on the Linux side. - Dave