From mboxrd@z Thu Jan 1 00:00:00 1970 From: Amit Sahrawat Subject: =?windows-1252?Q?Re=3A_Re=3A_Re=3A_BUG_in_kernel=3A_Wrong_Handling_of_USB_HDD?= =?windows-1252?Q?=92s_in_scsiglue=28slave=5Fconfigure=29_and_scsi=2Fsd=28sd=5Fread=5Fcache=5F?= =?windows-1252?Q?type=29?= Date: Tue, 4 Oct 2011 21:04:49 +0530 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: James Bottomley , Douglas Gilbert , linux-usb@vger.kernel.org, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Christoph Hellwig To: Alan Stern Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On Tue, Oct 4, 2011 at 7:40 PM, Alan Stern = wrote: > On Tue, 4 Oct 2011, Amit Sahrawat wrote: > >> Not able to get tools which can show the Caching Information when >> connected USB device to Windows 7(Except one option which allows for >> optimizing Performance by enabling/disabling Cache - But that option >> is available for all the Mass storage device) - Please let me know i= f >> there is option to view this. > > I have no idea. > >> So, I have collected USB analyzer logs for Device after connected to >> Windows 7. =A0Please find the attached logs. > > It would be more informative if your logs did not show the initial > connection, but did show what happens when you write a small file to > the drive and then go through the "Safely Remove Hardware" procedure. > > The real question is whether or not Windows sends a SYNCHRONIZE CACHE > command to the drive. ok, I will try this out and provide the results tomorrow early morning. > > Alan Stern > > Thanks & Regards, Amit Sahrawat