[mythtv-users] Can't Connect to MythTV-backend

George Galt george.galt at gmail.com
Mon May 21 14:50:45 UTC 2012


On Mon, May 21, 2012 at 10:43 AM, Jordan Hewitt <jordannh at fastmail.fm> wrote:
> Nope, same problem.  And, following the directions on the wiki, I did install
> the firmware earlier.
> On Sunday, May 20, 2012 06:20:16 PM Doug Lytle wrote:
>> Jordan Hewitt wrote:
>> > My TV Tuner card is compatible with Linux. When I set up the device in
>> > mythtv settings, it recognizes the card.
>>
>> Okay Jordan,
>>
>> Just as a memory refresher, I setup a virtual machine, compiled .25
>> fixes and hooked up the HVR-850.  I copied the dvb-fe-xc5000-1.6.114.fw
>> into the /lib/firmware.
>>
>> You should be selecting, for your card setup, Analog V4L Capture card.
>>
>> This will show there is nothing detected in the Video device field, but
>> if you add /dev/video0 manually, the card will be detected.  Let me know
>> if that gets you further.
>>
>> Doug
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Looking at these two lines:

May 19 09:33:08 hostname mythbackend[11035]: E CoreContext
channelbase.cpp:940 (InitializeInputs) InitializeInputs():
#012#011#011#011Could not get inputs for the
capturecard.#012#011#011#011Perhaps you have forgotten to bind
video#012#011#011#011sources to your card's inputs?
May 19 09:33:08 hostname mythbackend[11035]: E CoreContext
channelbase.cpp:1229 (CreateChannel) ChannelBase: CreateChannel()
Error: Failed to open device /dev/dvb/adapter0/frontend0

I'm wondering if you ran mythtv-setup and went through all of the
steps.  It looks like your card wasn't bound to a source.  Also, is
your backend running as a user other than "root" and if so, is that
user part of the "audio" and "video" groups?


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