Public bug reported:

Tuner works on my laptop (Ubuntu 16.04) but not on my desktop Ubuntu 17.04 
(uname -a: Linux machine 4.10.0-21-generic #23-Ubuntu SMP Fri Apr 28 16:14:22 
UTC 2017               x86_64 x86_64 x86_64 GNU/Linux).
This link (https://linuxtv.org/wiki/index.php/DVB-T_USB_Devices) says:
        the tuner is supported since kernel 2.6.13, 
        its Hardware (?) is dib3000mc and 
        firmware is dvb-usb-nova-t-usb2-02.fw.
Tuner firmware was copied from laptop to desktop /lib/firmware
     -rw-r--r-- 1 root root 11023 Dec 10 22:39 
/lib/firmware/dvb-usb-nova-t-usb2-02.fw
On Desktop (where the problem exists)
lsusb shows Bus 001 Device 004: ID 2040:9300 Hauppauge WinTV NOVA-T USB2 (cold) 
*
* Tuner shows light out when cold. If I boot into Windows light goes on. When I 
return to Linux light remains on and lsusb reports warm.
dmesg |grep dvb shows dvb_usb_dibusb_mc_common: Unknown symbol __symbol_get 
(err 0)             ------- Whether tuner warm or cold
This page (https://www.linuxtv.org/wiki/index.php/Hauppauge_WinTV-NOVA-T-USB2) 
states the following drivers are required:
 - dib3000-common.ko
 - dib3000mc.ko
 - dvb-usb.ko
 - dvb-usb-dibusb-common.ko
 - dvb-usb-nova-t-usb2.ko
lsmod|grep dvb shows:
        dvb_usb_dibusb_common    16384  0
        dvb_usb                24576  1 dvb_usb_dibusb_common
        dvb_core              126976  1 dvb_usb
        rc_core                28672  1 dvb_usb
lsmod|grep dib shows:
        dvb_usb_dibusb_common    16384  0
        dib3000mc              20480  0
        dibx000_common         16384  1 dib3000mc
        dvb_usb                24576  1 dvb_usb_dibusb_common
"dvb-usb-nova-t-usb2.ko" is located in 
/lib/modules/4.10.0-21-generic/kernel/drivers/media/usb/dvb-usb/dvb-usb-nova-t-usb2.ko.
However modprobe "dvb-usb-nova-t-usb2.ko" outputs
        "modprobe: FATAL: Module dvb-usb-nova-t-usb2.ko not found in directory 
/lib/modules/4.10.0-21-generic"
and modprobe "dvb-usb-nova-t-usb2" outputs
        "modprobe: ERROR: could not insert 'dvb_usb_nova_t_usb2': Unknown 
symbol in module, or unknown parameter (see dmesg)"
dmesg |grep dvb shows
[    2.481132] dvb_usb_dibusb_mc_common: Unknown symbol __symbol_get (err 0)  
------ upon boot
[  646.407012] dvb_usb_dibusb_mc_common: Unknown symbol __symbol_get (err 0)  
------ upon modprobe

With reference to https://wiki.ubuntu.com/Kernel/Firmware, using command 
"udevadm monitor --property"
there is nothing reported for a "SUB-SYSTEM Firmware" event and driver 
"dvb-usb-nova-t-usb2" is not mentioned.

The TV tuner is plugged into a USB2 only back plug on Desktop and PC is
operating in BIOS (not UEFI) mode.


On my laptop where the card works, dmesg|grep dvb provides
        [  186.878500] dvb-usb: found a 'Hauppauge WinTV-NOVA-T usb2' in cold 
state, will try to load a firmware
        [  186.889946] dvb-usb: downloading firmware from file 
'dvb-usb-nova-t-usb2-02.fw'
        [  186.970174] dvb-usb: generic DVB-USB module successfully 
deinitialized and disconnected.
        [  186.970655] usbcore: registered new interface driver 
dvb_usb_nova_t_usb2
        [  188.882272] dvb-usb: found a 'Hauppauge WinTV-NOVA-T usb2' in warm 
state.
        [  188.882562] dvb-usb: will pass the complete MPEG2 transport stream 
to the software demuxer.
        [  188.887424] dvb-usb: MAC address: XX:XX:XX:XX:XX:XX
        [  188.947464] dvb-usb: schedule remote query interval to 100 msecs.
        [  188.947467] dvb-usb: Hauppauge WinTV-NOVA-T usb2 successfully 
initialized and connected.
Also lsmod reports the presence of dvb-usb-nova-t-usb2

ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: linux-image-4.10.0-21-generic 4.10.0-21.23
ProcVersionSignature: Ubuntu 4.10.0-21.23-generic 4.10.11
Uname: Linux 4.10.0-21-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.4-0ubuntu4.1
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC2:  spudlink   2011 F.... pulseaudio
 /dev/snd/controlC1:  spudlink   2011 F.... pulseaudio
 /dev/snd/controlC0:  spudlink   2011 F.... pulseaudio
CurrentDesktop: Unity:Unity7
Date: Mon May 29 13:29:17 2017
HibernationDevice: RESUME=UUID=468cfd2f-7272-4c4a-a9ca-a1f0d6a89587
InstallationDate: Installed on 2016-12-12 (167 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
IwConfig:
 enp0s31f6  no wireless extensions.
 
 lo        no wireless extensions.
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 005: ID 2040:9300 Hauppauge WinTV NOVA-T USB2 (cold)
 Bus 001 Device 003: ID 046d:08d7 Logitech, Inc. QuickCam Communicate STX
 Bus 001 Device 002: ID 045e:0040 Microsoft Corp. Wheel Mouse Optical
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Gigabyte Technology Co., Ltd. To be filled by O.E.M.
ProcEnviron:
 LANGUAGE=en_AU:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_AU.UTF-8
 SHELL=/bin/bash
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-21-generic 
root=UUID=ef5cd7f7-a4a5-47fa-9476-0a28fda40e86 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-4.10.0-21-generic N/A
 linux-backports-modules-4.10.0-21-generic  N/A
 linux-firmware                             1.164.1
RfKill:
 
SourcePackage: linux
UpgradeStatus: Upgraded to zesty on 2017-04-16 (42 days ago)
dmi.bios.date: 03/14/2016
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F6
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: B150M-D3H-CF
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrF6:bd03/14/2016:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnB150M-D3H-CF:rvrx.x:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To be filled by O.E.M.
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Technology Co., Ltd.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: amd64 apport-bug zesty

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https://bugs.launchpad.net/bugs/1694199

Title:
  TV Tuner (Hauppauge WinTV-NOVA-T USB2) is not being recognised

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