[mythtv-users] Permission problems

Josu Lazkano josu.lazkano at gmail.com
Sat Sep 4 11:23:35 UTC 2010


Hello, I just installed a debian-multimedia squeeze package on my
system, I add a DVB-T adapter and now I can not watch the tv.

I have this error:

$ cat /var/log/mythtv/mythbackend.log
2010-09-04 13:04:17.635 MainServer::ANN Monitor
2010-09-04 13:04:17.669 adding: LG as a client (events: 0)
2010-09-04 13:04:17.671 MainServer::ANN Monitor
2010-09-04 13:04:17.672 adding: LG as a client (events: 1)
2010-09-04 13:04:22.584 MainServer::ANN Playback
2010-09-04 13:04:22.586 adding: LG as a client (events: 0)
2010-09-04 13:04:22.590 TVRec(1): Changing from None to WatchingLiveTV
2010-09-04 13:04:22.599 TVRec(1): HW Tuner: 1->1
2010-09-04 13:04:22.856 TFW, Error: Opening file
'/var/lib/mythtv/livetv/1490_20100904130422.mpg'.
			eno: Permission denied (13)
2010-09-04 13:04:22.858 TVRec(1) Error: RingBuffer
'/var/lib/mythtv/livetv/1490_20100904130422.mpg' not open...
2010-09-04 13:04:22.859 TVRec(1) Error: CreateLiveTVRingBuffer() failed
2010-09-04 13:04:22.860 TVRec(1) Error: Failed to create RingBuffer 1
2010-09-04 13:04:22.861 TVRec(1): Changing from WatchingLiveTV to None
2010-09-04 13:04:22.862 AutoExpire: CalcParams(): Max required Free
Space: 1.0 GB w/freq: 15 min
2010-09-04 13:12:52.203 MainServer::ANN Playback
2010-09-04 13:12:52.249 adding: LG as a client (events: 0)
2010-09-04 13:12:52.256 TVRec(1): Changing from None to WatchingLiveTV
2010-09-04 13:12:52.272 TVRec(1): HW Tuner: 1->1
2010-09-04 13:12:52.305 TFW, Error: Opening file
'/var/lib/mythtv/livetv/1490_20100904131252.mpg'.
			eno: Permission denied (13)
2010-09-04 13:12:52.306 TVRec(1) Error: RingBuffer
'/var/lib/mythtv/livetv/1490_20100904131252.mpg' not open...
2010-09-04 13:12:52.306 TVRec(1) Error: CreateLiveTVRingBuffer() failed
2010-09-04 13:12:52.307 TVRec(1) Error: Failed to create RingBuffer 1
2010-09-04 13:12:52.307 TVRec(1): Changing from WatchingLiveTV to None
2010-09-04 13:12:52.310 AutoExpire: CalcParams(): Max required Free
Space: 1.0 GB w/freq: 15 min
2010-09-04 13:12:58.852 MainServer::ANN Playback
2010-09-04 13:12:58.898 adding: LG as a client (events: 0)
2010-09-04 13:12:58.905 TVRec(1): Changing from None to WatchingLiveTV
2010-09-04 13:12:58.917 TVRec(1): HW Tuner: 1->1
2010-09-04 13:12:58.945 TFW, Error: Opening file
'/var/lib/mythtv/livetv/1490_20100904131258.mpg'.
			eno: Permission denied (13)
2010-09-04 13:12:58.945 TVRec(1) Error: RingBuffer
'/var/lib/mythtv/livetv/1490_20100904131258.mpg' not open...
2010-09-04 13:12:58.946 TVRec(1) Error: CreateLiveTVRingBuffer() failed
2010-09-04 13:12:58.946 TVRec(1) Error: Failed to create RingBuffer 1
2010-09-04 13:12:58.947 TVRec(1): Changing from WatchingLiveTV to None
2010-09-04 13:12:58.948 AutoExpire: CalcParams(): Max required Free
Space: 1.0 GB w/freq: 15 min
2010-09-04 13:13:29.243 AutoExpire: CalcParams(): Max required Free
Space: 1.0 GB w/freq: 15 min
2010-09-04 13:14:09.591 MainServer::ANN Playback
2010-09-04 13:14:09.639 adding: LG as a client (events: 0)
2010-09-04 13:14:09.645 TVRec(1): Changing from None to WatchingLiveTV
2010-09-04 13:14:09.662 TVRec(1): HW Tuner: 1->1
2010-09-04 13:14:09.692 TFW, Error: Opening file
'/var/lib/mythtv/livetv/1490_20100904131409.mpg'.
			eno: Permission denied (13)
2010-09-04 13:14:09.692 TVRec(1) Error: RingBuffer
'/var/lib/mythtv/livetv/1490_20100904131409.mpg' not open...
2010-09-04 13:14:09.693 TVRec(1) Error: CreateLiveTVRingBuffer() failed
2010-09-04 13:14:09.694 TVRec(1) Error: Failed to create RingBuffer 1
2010-09-04 13:14:09.694 TVRec(1): Changing from WatchingLiveTV to None
2010-09-04 13:14:09.695 AutoExpire: CalcParams(): Max required Free
Space: 1.0 GB w/freq: 15 min

It looks permssion problems, this is folder permission:

$ ls -l /var/lib/mythtv/
total 8
drwxr-sr-x 2 root mythtv 4096 Sep  1 19:02 livetv
drwxr-sr-x 2 root mythtv 4096 Sep  1 19:02 recordings


I restart the backend as root, and I run the fronted as a normal user.

Thanks for all your help, best regards.

-- 
Josu Lazkano


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