Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932319AbVKUPKm (ORCPT ); Mon, 21 Nov 2005 10:10:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932325AbVKUPKm (ORCPT ); Mon, 21 Nov 2005 10:10:42 -0500 Received: from 81-5-136-19.dsl.eclipse.net.uk ([81.5.136.19]:26604 "EHLO vlad.carfax.org.uk") by vger.kernel.org with ESMTP id S932319AbVKUPKk (ORCPT ); Mon, 21 Nov 2005 10:10:40 -0500 Date: Mon, 21 Nov 2005 15:10:35 +0000 From: Hugo Mills To: Patrick Boettcher Cc: Johannes Stezenbach , Hugo Mills , linux-dvb-maintainer@linuxtv.org, linux-kernel@vger.kernel.org, Jeremy Nysen Subject: Re: [linux-dvb-maintainer] Multiple USB DVB devices cause hard lockups Message-ID: <20051121151035.GC17895@carfax.org.uk> Mail-Followup-To: Hugo Mills , Patrick Boettcher , Johannes Stezenbach , Hugo Mills , linux-dvb-maintainer@linuxtv.org, linux-kernel@vger.kernel.org, Jeremy Nysen References: <20051109135925.GF12751@localhost.localdomain> <20051120021719.GC8157@linuxtv.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="32u276st3Jlj2kUU" Content-Disposition: inline In-Reply-To: X-GPG-Fingerprint: B997 A9F1 782D D1FD 9F87 5542 B2C2 7BC2 1C33 5860 X-GPG-Key: 1C335860 X-Parrot: It is no more. It has joined the choir invisible. X-IRC-Nicks: darksatanic darkersatanic darkling User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2152 Lines: 59 --32u276st3Jlj2kUU Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Nov 21, 2005 at 09:52:20AM +0100, Patrick Boettcher wrote: > On Sun, 20 Nov 2005, Johannes Stezenbach wrote: > >> I'm trying to get a pair of Twinhan Alpha II DVB-USB devices > >>working on the same machine. With a single device plugged in, I can > >>quite easily receive and stream data. > > > >Maybe Patrick can comment, I believe he tested with multiple > >USB devices. > > Sorry Johannes, that it seems I'm always waiting for your alarm to make me > write a Mail - but this time I cannot add anything to find the problem - > or maybe I can - not sure :): > > I tested it with multiple dvb-usb devices in parallel - but never with 2 > Twinhan Alpha boxes. > > Just a thought: Hugo, can you enable dvb-usb-debug and load the dvb-usb.ko > with parameter debug=9 . > > Then start the transfer and your syslog will be filled with messages of > returning USB-buffers and their sizes. Try to catch some lines from both > devices and send them here. Yes, I'll try that. It'll be tomorrow evening (GMT), though, as I'm out this evening. I'll also try to get a serial console running so I can try to capture the full oops text. Hugo. -- === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk === PGP key: 1C335860 from wwwkeys.eu.pgp.net or http://www.carfax.org.uk --- You've read the project plan. Forget that. We're going to Do --- Stuff and Have Fun doing it. --32u276st3Jlj2kUU Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQFDgeNrssJ7whwzWGARAsrzAJ4+t1kd+wg/PUqEKvULqtAIdnA5PwCgpylx qPqsOxSif4K6yu3tH7CW92E= =euuu -----END PGP SIGNATURE----- --32u276st3Jlj2kUU-- - 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/