From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from ist.d-labs.de ([213.239.218.44]:60363 "EHLO mx01.d-labs.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752568Ab1HDNCl (ORCPT ); Thu, 4 Aug 2011 09:02:41 -0400 Date: Thu, 4 Aug 2011 15:02:34 +0200 From: Florian Mickler To: David Waring Cc: Linux Media Mailing List , Patrick Boettcher Subject: Re: Problems with Hauppauge Nova-TD (dib0070/dib7000PC) Message-ID: <20110804150234.1066f065@schatten.dmk.lab> In-Reply-To: <4E1ADD30.6090502@rd.bbc.co.uk> References: <4E1ADD30.6090502@rd.bbc.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: On Mon, 11 Jul 2011 12:23:28 +0100 David Waring wrote: > I'm currently using 3 of these USB sticks on a PC with the videolan.org > dvblast program to multicast the UK Freeview DVB-T muxes on our local > network. I'm also using a PCTV nanostick 290e to multicast the DVB-T2 > mux too. > > I'm having a problem with the Nova-TD sticks (52009) using recent builds > from the media_build git repository (to get the 290e drivers) on Debian > squeeze using 2.6.38-bpo.2-686. The problem is that only one half of > each Nova-TD stick will tune and give data. Which half seems to be > random and changes with each reboot. Occasionally I'll get a whole stick > working or one of the sticks will not work at all. If I try to use a > non-working half of a stick it will knock out the working half until I > stop using trying to use the non-working half. So I'm seeing > interference of one logical dvb adapter from another that are both on > the same physical hardware. > > Also after a few days the sticks stop working completely and need to be > powered down before they work again, but this may be a different issue. > > I'm getting a few "dib0700: tx buffer length is larger than 4. Not > supported." in dmesg during first tune. Maybe coincidence, but I've > noticed that on the last reboot 4 tuners (out of the 6 total Nova-TD > tuners) are not working and I have 4 of the above message in dmesg, so > there could be a link. > > I've tried turning on the debugging for both the dvb_usb_dib0700 and > dvb_usb modules but there was no indication of the problem. > > Any suggestions for what I could try next to find the cause and fix this? > > David Hi, maybe the fixes Patrick posted[1] fix your issue ? http://permalink.gmane.org/gmane.linux.drivers.video-input-infrastructure/36393 Regards, Flo