From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-lpp01m010-f46.google.com ([209.85.215.46]:56911 "EHLO mail-lpp01m010-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753737Ab2HUOb5 (ORCPT ); Tue, 21 Aug 2012 10:31:57 -0400 Received: by lagy9 with SMTP id y9so3930281lag.19 for ; Tue, 21 Aug 2012 07:31:56 -0700 (PDT) Message-ID: <50339BCB.3090006@iki.fi> Date: Tue, 21 Aug 2012 17:31:39 +0300 From: Antti Palosaari MIME-Version: 1.0 To: "M. Fletcher" CC: linux-media@vger.kernel.org Subject: Re: Unable to load dvb-usb-rtl2832u driver in Ubuntu 12.04 References: <00d701cd7fa8$b592c320$20b84960$@cam.ac.uk> In-Reply-To: <00d701cd7fa8$b592c320$20b84960$@cam.ac.uk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: On 08/21/2012 05:24 PM, M. Fletcher wrote: > I am trying to setup a Compro U680F USB DVB-T adaptor in Ubuntu 12.04 > (kernel > 3.2.0-29-generic). > > The compro device ID is given (lsusb) as 185b:0680. The following page > suggests > this device is supported by the RT2832U driver: > http://www.dfragos.me/2011/11/installation-of-the-rt2832u-driver-in-linux/ > > I successfully built the v4l-dvb package from source following this how to, > using the "Basic Approach": > http://linuxtv.org/wiki/index.php/How_to_Obtain,_Build_and_Install_V4L-DVB_D > evice_Drivers > > After restarting the system the device does not appear to be working. The > output from "lsmod | grep dvb" is as follows: > > root@DCTbox:/home/dct# lsmod | grep dvb > dvb_usb 32369 0 > dvb_core 110590 1 dvb_usb > rc_core 26343 1 dvb_usb > > > If I unplug the device and plug back in, I get the following from "dmesg | > tail": > > root@DCTbox:/home/dct# dmesg | tail -n 27 > [ 160.015155] usb 5-2: new high-speed USB device number 4 using xhci_hcd > [ 160.051152] usb 5-2: ep 0x81 - rounding interval to 32768 microframes, ep > desc says 0 microframes > [ 160.133825] WARNING: You are using an experimental version of the media > stack. > [ 160.133826] As the driver is backported to an older kernel, it > doesn't > offer > [ 160.133827] enough quality for its usage in production. > [ 160.133828] Use it with care. > [ 160.133829] Latest git patches (needed if you report a bug to > linux-media@vger.kernel.org): > [ 160.133830] 9b78c5a3007e10a172d4e83bea18509fdff2e8e3 [media] b2c2: > export b2c2_flexcop_debug symbol > [ 160.133832] 88f8472c9fc6c08f5113887471f1f4aabf7b2929 [media] Fix some > Makefile rules > [ 160.133833] 893430558e5bf116179915de2d3d119ad25c01cf [media] > cx23885-cards: fix netup card default revision > [ 160.144374] WARNING: You are using an experimental version of the media > stack. > [ 160.144376] As the driver is backported to an older kernel, it > doesn't > offer > [ 160.144377] enough quality for its usage in production. > [ 160.144378] Use it with care. > [ 160.144379] Latest git patches (needed if you report a bug to > linux-media@vger.kernel.org): > [ 160.144380] 9b78c5a3007e10a172d4e83bea18509fdff2e8e3 [media] b2c2: > export b2c2_flexcop_debug symbol > [ 160.144381] 88f8472c9fc6c08f5113887471f1f4aabf7b2929 [media] Fix some > Makefile rules > [ 160.144383] 893430558e5bf116179915de2d3d119ad25c01cf [media] > cx23885-cards: fix netup card default revision > [ 160.173311] dvb_usb_rtl2832u: disagrees about version of symbol > dvb_usb_device_init > [ 160.173315] dvb_usb_rtl2832u: Unknown symbol dvb_usb_device_init (err > -22) > [ 392.860811] dvb_usb_rtl2832u: disagrees about version of symbol > dvb_usb_device_init > [ 392.860815] dvb_usb_rtl2832u: Unknown symbol dvb_usb_device_init (err > -22) > [ 1282.328055] usb 5-2: USB disconnect, device number 4 > [ 1288.697208] usb 5-2: new high-speed USB device number 5 using xhci_hcd > [ 1288.732785] usb 5-2: ep 0x81 - rounding interval to 32768 microframes, ep > desc says 0 microframes > [ 1288.747585] dvb_usb_rtl2832u: disagrees about version of symbol > dvb_usb_device_init > [ 1288.747589] dvb_usb_rtl2832u: Unknown symbol dvb_usb_device_init (err > -22) > > > > If I attempt to load the driver manually I get the following error message: > > root@DCTbox:/home/dct# modprobe dvb_usb_rtl2832u > FATAL: Error inserting dvb_usb_rtl2832u > (/lib/modules/3.2.0-29-generic/kernel/drivers/media/dvb/dvb-usb/dvb-usb-rtl2 > 832u.ko): > Invalid argument > > > > Any advice on how to get this device working successfully would be greatly > appreciated. > > Kind regards, > Marc There is no driver named dvb_usb_rtl2832u. It is dvb_usb_rtl28xxu. I don't know how in the world you could have such driver. It is not from the LinuxTV.org / Kernel as you argue. regards Antti -- http://palosaari.fi/