lkml.org 
[lkml]   [2013]   [Mar]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] USB: EHCI: fix for leaking isochronous data
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



\
 
 \ /
  Last update: 2013-03-15 16:01    [W:0.073 / U:0.196 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site