From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: regression: ide-floppy doesn't work with IOMEGA IDE ZIP drive Date: Wed, 14 Mar 2007 20:58:03 +0900 Message-ID: <45F7E34B.6020206@gmail.com> References: <45F7DA2B0200002D0001585E@emea5-mh.id5.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from ug-out-1314.google.com ([66.249.92.175]:18541 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161176AbXCNL6R (ORCPT ); Wed, 14 Mar 2007 07:58:17 -0400 Received: by ug-out-1314.google.com with SMTP id 44so559010uga for ; Wed, 14 Mar 2007 04:58:15 -0700 (PDT) In-Reply-To: <45F7DA2B0200002D0001585E@emea5-mh.id5.novell.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Stanislav Brabec Cc: albertl@mail.com, jeff@garzik.org, bzolnier@gmail.com, alan@lxorguk.ukuu.org.uk, paul@paulbristow.net, chrubis@suse.cz, linux-ide@vger.kernel.org Stanislav Brabec wrote: > Looking at the syslog in Novell bug 232086 in detail, following line may > indicate hardware failure: > usb 5-1: string descriptor 0 read error: -22 I don't think usb 5-1 is related to ide-floppy problem. > My drive is a slave on bus, where master is a modern Seagate ST3160812A. > > On my system I see two regressions: > - One between year 2002 kernels and SuSE Linux 10.0: > Delay with "packet command initiated yet DRQ isn't asserted" before > first read access, then the read will succeed. > I did not yet reproduce this regression just now on my hardware. > - Second between SuSE 10.1 and 10.2: > Delay with "packet command initiated yet DRQ isn't asserted" before > any attempt to access, then it will fail. > This regression is reproducible just now on my hardware, but still may > be caused by hardware problems raised by a slightly different > initialization order. I see. > Tejun Heo wrote: >> [libata] >> And, as the device requires custom high level driver, libata fails >> miserably. Would it be worth to try support these devices? Or are >> they just too outdated to put the effort in? > > As far as I remember, it was working without any special driver with > ide-scsi. If that's the case, libata should work too as long as the HSM problem is fixed. -- tejun