Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755280Ab3COOal (ORCPT ); Fri, 15 Mar 2013 10:30:41 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:55443 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1755147Ab3COOai (ORCPT ); Fri, 15 Mar 2013 10:30:38 -0400 Date: Fri, 15 Mar 2013 10:30:37 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Soeren Moch cc: Arnd Bergmann , USB list , Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , , Kernel development list , Subject: Re: [PATCH] USB: EHCI: fix for leaking isochronous data In-Reply-To: <51426484.3000609@web.de> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1119 Lines: 26 On Fri, 15 Mar 2013, Soeren Moch wrote: > > The log shows a 1-1 match between allocations and deallocations, except > > for three excess allocations about 45 lines before the end. I have no > > idea what's up with those. They may be an artifact arising from where > > you stopped copying the log data. > > > > There are as many as 400 iTDs being allocated before any are freed. > > That seems like a lot. Are they all for the same isochronous endpoint? > > What's the endpoint's period? How often are URBs submitted? > > I use 2 dvb sticks, capturing digital TV. For each stick 5 URBs on a > single endpoint are used, I think. I'm not sure, which endpoint in which > alternateSetting is active. I attached the output of 'lsusb -v' for the > sticks. > How can I track down the other information you need? Use usbmon (see Documentation/usb/usbmon.txt). Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/