From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jonas Schwertfeger Subject: Re: System hangs when using USB 3.0 HD with on Ubuntu Date: Fri, 2 Apr 2010 14:40:34 +0200 Message-ID: References: <4BB37454.8070808@interlog.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail-wy0-f174.google.com ([74.125.82.174]:55859 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753491Ab0DBMk5 convert rfc822-to-8bit (ORCPT ); Fri, 2 Apr 2010 08:40:57 -0400 In-Reply-To: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Kay Sievers Cc: Alan Stern , Douglas Gilbert , David Zeuthen , linux-hotplug@vger.kernel.org, Sarah Sharp , linux-usb@vger.kernel.org, USB Storage List , Matthew Dharm , linux-scsi@vger.kernel.org, Lennart Poettering On Thu, Apr 1, 2010 at 4:05 PM, Kay Sievers wrot= e: >> Since the drive doesn't even show up as a block device when connecte= d >> to the USB 3.0 port I can't run that command for the device directly= =2E > > That means it does not show up, or it disappears after something is > trying to do something with it. If it does not appear at all, we don'= t > need to look in userspace, I guess. :) I assume it is there for a very brief moment but then disappears. > What are your rules trying to do with hdparm on the drive, that seems > rather odd to apply to a USB device: > =A0RUN '/lib/udev/hdparm' /lib/udev/rules.d/85-hdparm.rules:2 Why would you think so? From the hdparm man page: "Many newer (2008 and later) USB drive enclosures now also support "SAT" (SCSI-ATA Command Translation) and therefore may also work with hdparm." -Jonas -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html