[mythtv-users] card#0 - Permission Denied!

Warren warren-lists at icruise.com
Thu Mar 16 16:13:55 UTC 2006

Brian Wood wrote:
> On Mar 16, 2006, at 8:46 AM, Jo Shields wrote:
>>>> mythtv at red2.braveturtle.com wrote:
>>>>> Thank you to everyone who helped me with my "mythtv" user account
>>>>> problem.  By removing the user and re-adding the "mythtv" user I  
>>>>> am now
>>>>> able to log in as user "mythtv".
>>>>> However, now I am faced with another problem.  When I run mythtv- 
>>>>> setup
>>>>> as user mythtv, when I try to add my air2pc HD-5000 card I get the
>>>>> following:
>>>>> Frontend ID:  could not open card#0! Subtype: permission denied!
>>>>> When I run mythtv-setup as root and try to add the card, it  
>>>>> properly
>>>>> recognizes the card. But I know I am not supposed to runt it as  
>>>>> root.
>>>>> So can anyone help me with this problem?  I would assume my  
>>>>> "mythtv"
>>>>> user account is still not set up properly, but I am not sure  
>>>>> what to do.
>> Add your mythtv user to the group which has permissions on the device
>> nodes (commonly the "video" group)
> That didn't work for me on a Gentoo box as the devices were  
> "root,root". This was not a logical choice by whoever set up udev, as  
> I think it would be reasonable to assume that *some* normal user  
> would want to use the devices.
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> mythtv-users at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
Not necessarily.  The dvb devices use up so much bandwidth that it is
logical to assume that the program accessing them will need access to
realtime scheduling as well, which is also a root-only function.  Making
dvb devices owned by root to me is the natural thing to do.

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