[mythtv-users] Cannot tune to certain analogue channels

Thu Feb 14 22:58:14 UTC 2008

On Thursday 14 February 2008 23:47:47 Florian Hackenberger wrote:
> I have a very strange problem with mythtv 0.20.2 and a saa7134 based card
> using analogue TV. mythtv-setup scans fine and finds quite a lot of
> channels. I can tune most of them, but not all of them. For example, there
> is a broadcast on channel E5 (freq 175.25, confirmed with mplayer and
> xawtv), but mythtv just does not tune on this channel (and some more, all
> of them either prefixed with E, SE or S AFAIK and whatever these prefixes
> are supposed to indicate). Upon switching to the channel, the frontend goes
> black and switches to a working channel on the same tuner card a few
> seconds later. Trying again, it does not even try to switch to channel E5.
> Here is the
<snipped/>

Forgot to attach the relevant part of the backend log. Please find it 
attached.

Cheers,
	Florian
-- 
Florian Hackenberger
-------------- next part --------------
2008-02-14 23:55:01.367 Writing PAT & PMT @11183368 + 742224
2008-02-14 23:55:01.871 Writing PAT & PMT @11526280 + 212064
2008-02-14 23:55:02.391 Writing PAT & PMT @11867124 + 212064
2008-02-14 23:55:02.901 Writing PAT & PMT @12204020 + 706880
2008-02-14 23:55:02.999 DVBRec(2): 14 PID filters open.
2008-02-14 23:55:03.438 Writing PAT & PMT @12558964 + 247408
2008-02-14 23:55:03.867 TVRec(1): Found channel (E5) on different card(2).
2008-02-14 23:55:03.897 StopLiveTV(void) curRec: 0x81b8218 pseudoRec: 0
2008-02-14 23:55:03.908 TVRec(1): Changing from WatchingLiveTV to None
2008-02-14 23:55:03.909 TVRec(1): ClearFlags(FrontendReady,CancelNextRecording,) -> RunMainLoop,AskAllowRecording,RecorderRunning,RingBufferReady,
2008-02-14 23:55:03.910 TVRec(1): SetFlags(AskAllowRecording,) -> RunMainLoop,AskAllowRecording,RecorderRunning,RingBufferReady,
2008-02-14 23:55:03.911 TVRec(1): Request: Program(no) channel() input() flags(KillRec,KillRingBuffer,)
2008-02-14 23:55:03.920 DVBRec(2): Close() fd(20) -- begin
2008-02-14 23:55:03.958 DVBRec(2): Close() fd(-1) -- end
2008-02-14 23:55:04.032 TVRec(1): ClearFlags(RecorderRunning,) -> RunMainLoop,AskAllowRecording,RingBufferReady,
2008-02-14 23:55:04.035 DVBRec(2): SetOutputPAT(NULL)
2008-02-14 23:55:04.036 DVBRec(2): SetOutputPMT(NULL)
2008-02-14 23:55:04.038 TVRec(1): FinishedRecording(Das Gespenst der Freiheit) in recgroup: LiveTV
2008-02-14 23:55:04.041 Chain: Updated endtime for '12302_20080214235444' to 20080214235504
2008-02-14 23:55:04.044 Finished recording Das Gespenst der Freiheit: channel 12302
2008-02-14 23:55:04.049 TVRec(1): ClearFlags(RecorderRunning,) -> RunMainLoop,AskAllowRecording,RingBufferReady,
2008-02-14 23:55:04.054 TVRec(1): Tearing down RingBuffer
2008-02-14 23:55:04.060 TVRec(1): ClearFlags(PENDINGACTIONS,) -> RunMainLoop,AskAllowRecording,RingBufferReady,
2008-02-14 23:55:04.085 MainServer::HandleAnnounce Playback
2008-02-14 23:55:04.087 adding: hacki-server.hackenberger.at as a client (events: 0)
2008-02-14 23:55:04.089 LiveTVChain(live-hacki-server.hackenberger.at-2008-02-14T23:54:42): ReloadAll(): Added new recording
2008-02-14 23:55:04.090 TVRec(2): Changing from None to WatchingLiveTV
2008-02-14 23:55:04.091 TVRec(2): ClearFlags(FrontendReady,CancelNextRecording,) -> RunMainLoop,
2008-02-14 23:55:04.092 TVRec(2): SetFlags(AskAllowRecording,) -> RunMainLoop,AskAllowRecording,
2008-02-14 23:55:04.093 TVRec(2): Request: Program(no) channel() input() flags(LiveTV,)
2008-02-14 23:55:04.094 TVRec(2): HW Tuner: 2->2
2008-02-14 23:55:04.096 TVRec(2): ClearFlags(PENDINGACTIONS,) -> RunMainLoop,AskAllowRecording,
2008-02-14 23:55:04.791 Channel(/dev/video1): Device name 'ASUSTeK P7131 Hybrid' driver 'saa7134'.
2008-02-14 23:55:04.801 ChannelBase(2): Input #2: 'Television' schan(26) sourceid(2) ccid(2)
2008-02-14 23:55:04.802 ChannelBase(2): Current Input #2: 'Television'
2008-02-14 23:55:04.803 Global TVFormat Setting 'PAL-BG'
2008-02-14 23:55:04.803 Channel(/dev/video1): Input #2: 'Television' schan(26) tun() v4l1(PAL) v4l2(Unknown)
2008-02-14 23:55:04.804 Channel(/dev/video1): SetFormat(Default) fmt(PAL-BG) input(2)
2008-02-14 23:55:04.805 Channel(/dev/video1)::SwitchToInput(in 2, '')
2008-02-14 23:55:04.806 Channel(/dev/video1): SetInputAndFormat(2, PAL-BG) (v4l v2)
2008-02-14 23:55:06.199 Channel(/dev/video1): SetChannelByString(26)
2008-02-14 23:55:06.201 ChannelBase(/dev/video1)::SetCachedATSCInfo(): 0--1
2008-02-14 23:55:06.202 Channel(/dev/video1): SetFormat(Default) fmt(PAL-BG) input(2)
2008-02-14 23:55:06.204 Channel(/dev/video1)::Tune(511250000, , analog)
2008-02-14 23:55:06.899 Channel(/dev/video1)::Tune(): Frequency is now 511250000
2008-02-14 23:55:06.900 ChannelBase(/dev/video1)::SetCachedATSCInfo(26_0): 26--1
2008-02-14 23:55:06.901 TVRec(2): ClearFlags(NeedToStartRecorder,) -> RunMainLoop,AskAllowRecording,
2008-02-14 23:55:06.902 TVRec(2): SetFlags(NeedToStartRecorder,) -> RunMainLoop,AskAllowRecording,NeedToStartRecorder,
2008-02-14 23:55:06.902 TVRec(2): Starting Recorder
2008-02-14 23:55:06.915 Using profile 'Live TV' to record
2008-02-14 23:55:06.916 TVRec(2): CreateLiveTVRingBuffer()
2008-02-14 23:55:06.917 TVRec(2): GetProgramRingBufferForLiveTV()
2008-02-14 23:55:06.958 TVRec(2): StartedRecording(0x81a4ca0) fn(/data/mythtv_storage/recordings/2066_20080214235506.nuv)
2008-02-14 23:55:06.964 Chain: Appended at 2 '2066_20080214235506'
2008-02-14 23:55:06.967 TVRec(2): SetFlags(RingBufferReady,) -> RunMainLoop,AskAllowRecording,NeedToStartRecorder,RingBufferReady,
2008-02-14 23:55:06.976 RecBase(/dev/video1): SetRingBuffer(0x81f1338) '/data/mythtv_storage/recordings/2066_20080214235506.nuv'
2008-02-14 23:55:06.983 RecBase(/dev/video1): SetRecording(0xb140f920) title(voll total)
2008-02-14 23:55:06.986 Channel(/dev/video1): InitPictureAttribute(brightness): 
                        [    0,  255] dflt(  128, 0.50, 128)
2008-02-14 23:55:06.987 Channel(/dev/video1): InitPictureAttribute(  contrast): 
                        [    0,  127] dflt(   68, 0.54, 2321)
2008-02-14 23:55:06.989 Channel(/dev/video1): InitPictureAttribute(    colour): 
                        [    0,  127] dflt(   64, 0.50, 257)
2008-02-14 23:55:06.990 Channel(/dev/video1): InitPictureAttribute(       hue): 
                        [ -128,  127] dflt(    0, 0.50, 128)
2008-02-14 23:55:07.055 TVRec(2): SetFlags(CancelNextRecording,) -> RunMainLoop,CancelNextRecording,AskAllowRecording,NeedToStartRecorder,RingBufferReady,
strange error flushing buffer ... 
2008-02-14 23:55:07.757 TVRec(2): SetFlags(RecorderRunning,RingBufferReady,) -> RunMainLoop,CancelNextRecording,AskAllowRecording,NeedToStartRecorder,RecorderRunning,RingBufferReady,
2008-02-14 23:55:07.759 TVRec(2): ClearFlags(NeedToStartRecorder,) -> RunMainLoop,CancelNextRecording,AskAllowRecording,RecorderRunning,RingBufferReady,
2008-02-14 23:55:33.713 JobQueue: Currently set at 1 job(s) max and to run new jobs from 00:00 to 23:59
2008-02-14 23:55:33.715 JobQueue: GetJobsInQueue: findJobs search bitmask 4, found 0 total jobs
2008-02-14 23:55:43.691 AutoExpire: Adding Programs to 'Do Not Expire' List
2008-02-14 23:55:43.694     2066 @ Thu Feb 14 23:55:06 2008 in use by player on hacki-server.hackenberger.at
2008-02-14 23:55:43.695     2066 @ Thu Feb 14 23:55:06 2008 in use by recorder on hacki-server.hackenberger.at
2008-02-14 23:55:43.695 AutoExpire: ExpireLiveTV(10001)
2008-02-14 23:55:43.698 AutoExpire: SendDeleteMessages. Nothing to expire.
2008-02-14 23:55:43.700 AutoExpire: Checking episode count for each recording profile using max episodes