[mythtv-users] cannot open /dev/video0

[Abigail Smith]

  Yes the files are there but no the files are not being loaded.  No clue why. 
   
  dmesg | grep v4  yields >> ivtv0: unable to open firmware v4l-cx2341x-enc.fw
   
  Any assistance would be appreciated.
   
  Thanks,
   
  Abby
  

Brian Wood <beww at beww.org> wrote:
  
On Nov 14, 2006, at 1:29 PM, Tom Lichti wrote:

> Abigail Smith wrote:
>>
>> Well I'm not sure. uname -a shows "2.6.15-chw-2" and
>> /etc/mythtv-version contains "MythTV-i686".
>>
>> Thanks,
>>
>> Abby
>
> You can cat /etc/KnoppMyth-version to find out. You are somewhere
> between R5A12 and R5D1 (those are the two versions I am running).
> Regardless, they both use the same structure, I have
>
> /usr/lib/hotplug/firmware/v4l-cx2341x-enc.fw
>
> on both of them, and they appear to be the same files. Mine are:
>
> root at htpc:~# ls -l /usr/lib/hotplug/firmware/v4l-*
> -rw-r--r-- 1 root root 262144 May 26 05:35
> /usr/lib/hotplug/firmware/v4l-cx2341x-dec.fw
> -rw-r--r-- 1 root root 262144 Jul 1 17:18
> /usr/lib/hotplug/firmware/v4l-cx2341x-enc.fw
> -rw-r--r-- 1 root root 155648 May 26 05:52
> /usr/lib/hotplug/firmware/v4l-cx2341x-init.mpg
> -rw-r--r-- 1 root root 16382 May 26 05:35
> /usr/lib/hotplug/firmware/v4l-cx25840.fw
> -rw-r--r-- 1 root root 8192 Jul 1 17:18
> /usr/lib/hotplug/firmware/v4l-pvrusb2-24xxx-01.fw
> -rw-r--r-- 1 root root 8192 Jul 1 17:18
> /usr/lib/hotplug/firmware/v4l-pvrusb2-29xxx-01.fw
>
> You may not have to symlink it. Although, KnoppMyth should have put 
> them
> there by default...
>

The system will normally load firmware from the location(s) specified 
in the /etc/hotplug/firmware.agent file.
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