From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Date: Wed, 21 Apr 2010 13:52:16 +0000 Subject: Re: System hangs when using USB 3.0 HD with on Ubuntu Message-Id: <4BCF0310.4000906@pobox.com> List-Id: References: <593030.61801.qm@web31804.mail.mud.yahoo.com> In-Reply-To: <593030.61801.qm@web31804.mail.mud.yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ltuikov@yahoo.com Cc: Alan Stern , Sarah Sharp , Jonas Schwertfeger , Dinh.Nguyen@freescale.com, Sergei Shtylyov , James Bottomley , Kay Sievers , David Zeuthen , linux-hotplug@vger.kernel.org, linux-usb@vger.kernel.org, USB Storage List , Matthew Dharm , linux-scsi@vger.kernel.org, Lennart Poettering , Douglas Gilbert On 21/04/10 08:47 AM, Luben Tuikov wrote: >>>> starts at line 8816. (It says the >> command >>>> is a BLANK command, but it's incorrectly >> identified that command.) > > Application clients should send ATA PASS-THROUGH (16) and never the 12 byte version to ATAPI devices behind a SAT bridge, whose opcode is interpreted as BLANK (as pointed out by Doug), and BLANK executed. .. That's a nice self-proclamation. Got a pointer to a SAT or ATA/SATA standard that says it for real? The problem with that statement (above), becomes.. what to use for the initial IDENTIFY request, before the type of device is known? Cheers -- Mark Lord Real-Time Remedies Inc. mlord@pobox.com