[linux-dvb] Lost frontend

Bryant, Dominic (UK) Dominic.Bryant at baesystems.com
Wed Feb 7 14:19:39 CET 2007


Hello, this is my first post to this (or any) mailing list, so sorry if
this is the wrong place for this or anything like that...

About a week ago I got a Kworld DVB-T 300U box.  I plugged it into my
Ubuntu 6.10 system and dmesg said that it couldn't find the firmware.  I
downloaded the firmware, put it in the correct place (/lib/firmware I
think), plugged in the DVB box, ran Kaffeine, scanned for the channels
and everything worked fine. It carried on working for the next couple of
days during which time I tried to install MythTV (which couldn't find
any channels).  The day after that I go to watch the TV using Kaffeine
and it doesn't work any more.  Dmesg now gives the following:

[17289667.668000] usb 5-6: new high speed USB device using ehci_hcd and
address 11
[17289667.800000] usb 5-6: configuration #1 chosen from 1 choice
[17289667.800000] dvb-usb: found a 'KWorld Xpert DVB-T USB2.0' in cold
state, will try to load a firmware
[17289667.844000] dvb-usb: downloading firmware from file
'dvb-usb-adstech-usb2-02.fw'
[17289667.932000] usb 5-6: USB disconnect, address 11
[17289667.932000] dvb-usb: generic DVB-USB module successfully
deinitialized and disconnected.
[17289669.684000] usb 5-6: new high speed USB device using ehci_hcd and
address 12
[17289669.816000] usb 5-6: configuration #1 chosen from 1 choice
[17289669.816000] dvb-usb: found a 'KWorld/ADSTech Instant DVB-T USB2.0'
in warm state.
[17289669.816000] dvb-usb: will pass the complete MPEG2 transport stream
to the software demuxer.
[17289669.816000] DVB: registering new adapter (KWorld/ADSTech Instant
DVB-T USB2.0).
[17289669.816000] dvb-usb: no frontend was attached by 'KWorld/ADSTech
Instant DVB-T USB2.0'
[17289669.816000] input: IR-receiver inside an USB DVB receiver as
/class/input/input6
[17289669.816000] dvb-usb: schedule remote query interval to 150 msecs.
[17289669.816000] dvb-usb: KWorld/ADSTech Instant DVB-T USB2.0
successfully initialized and connected.

For some reason it is no longer attaching a frontand to the device. I've
searched everywhere, read the past 5 or 6 months of mailing list
archives and asked on the Ubuntu forum but not got anywhere.

Last night I even did a manual install of the v4l drivers even though I
shouldn't need to with my kernel (I thought it might help) but no
change.  Why would it suddenly stop working?  Please help as it was
great when it did work.


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