From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pat LaVarre Subject: Re: [PATCH] SCSI: limit mode sense usage Date: 28 Oct 2003 08:38:43 -0700 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <1067355523.6623.6.camel@patehci2> References: Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from email-out2.iomega.com ([147.178.1.83]:29120 "EHLO email.iomega.com") by vger.kernel.org with ESMTP id S263999AbTJ1Pis (ORCPT ); Tue, 28 Oct 2003 10:38:48 -0500 In-Reply-To: List-Id: linux-scsi@vger.kernel.org To: stern@rowland.harvard.edu Cc: ronald@kuetemeier.com, patmans@us.ibm.com, linux-scsi@vger.kernel.org, usb-storage@one-eyed-alien.net > ... not clear to me what is the best way to take care of the devices that > choke on page 3F. Should we use a special flag for those devices or > should we disable it entirely? Some of us have suggested substituting: -y "5A 00 08:00:00:00 00 00:1C 00" -i x1C // Mode Sense 10 of SBC/MMC Page x08 Cacheing for 8 byte header, optional 8 byte block descriptor, and xC byte standard page x08 length Lately that suggestion appeared in talk re discovering Win protocol that paused near: http://marc.theaimsgroup.com/?l=linux-scsi&m=106427309605764 Subject: usb storage traces Date: 2003-09-22 23:25:17 That talk included my claim: http://marc.theaimsgroup.com/?l=linux-scsi&m=106331377632562 Subject: Re: [linux-usb-devel] [2.6-test] Bug in usb-storage or scsi? Date: 2003-09-11 20:42:33 ... I have some reason to believe Windows often passes thru something like: -x "1A 00 08 00 18 00" -i x18 i.e. a ModeSense6 of Cacheing page x08 for the whole 4 byte header plus one whole 8 byte block descriptor plus the whole xC byte standard page. ... Pat LaVarre