[mythtv-users] HDHR - occasional "Added 0 devices" / "Unable to find a free device" when attempting to record a show

[Greg]

On 11/25/23 18:46, Will Dormann wrote:
> Hi folks,
>
> Since having relinquished my MythTV box to the basement and having 
> just a Fire TV stick connected to the TV, I've noticed that 
> occasionally shows will fail to record from my 3-tuner HDHomerun Prime 
> device.
>
> Here's an example selection from my mythbackend.log file:
>
> (UpdateRecStatus) Updating status for "Aqua Teen Forever: Plantasm" on 
> cardid [5] (Pending => Recorder Failed)
> (HandleRecordingStatusChange) Tuning recording: "Aqua Teen Forever: 
> Plantasm": channel 2757 on cardid [5], sourceid 2
> (HandleReschedule) Reschedule requested for CHECK -9 1703 0 
> UpdateRecStatus2 | Aqua Teen Forever: Plantasm |  | Everyone's 
> favorite rascals Frylock, Master Shake, Meatwad and Carl fight the 
> corporate overlord Amazin, led by tech mogul Neil
>  and his trusty scientist sidekick, Elmer. | MV018741290000
> (InsertProgram) 
> RecordingInfo::InsertProgram(ProgramInfo(2757_20231125050000.ts): 
> channame(Cartoon Network HD)#012             startts(Sat Nov 25 
> 05:00:00 2023 GMT) endts(Sat Nov 25 06:45:00 2023 GMT)#012 
> recstartts(Sat Nov 25
> 05:00:00 2023 GMT) recendts(Sat Nov 25 06:45:00 2023 GMT)#012 
>  title(Aqua Teen Forever: Plantasm)): recording already exists...
> (HandleStateChange) TVRec[5]: Changing from None to RecordingOnly
> (TuningFrequency) TVRec[5]: TuningFrequency
> (Connect) HDHRSH[5](131F1E8E): Added 0 devices from 131F1E8E
> (Connect) HDHRSH[5](131F1E8E): Unable to find a free device
> (SetChannelByString) DTVChan[5](131F1E8E): SetChannelByString(757): 
> Channel object will not open, can not change channels.
> (TunerGet) HDHRSH[5](131F1E8E): Get request failed (not connected)
> (TunerSet) HDHRSH[5](131F1E8E): Set request failed (not connected)
> (TuningFrequency) TVRec[5]: Failed to set channel to 757. Reverting to 
> kState_None
> (HandleStateChange) TVRec[5]: Changing from RecordingOnly to None
> (UpdateRecStatus) Updating status for "Aqua Teen Forever: Plantasm" on 
> cardid [5] (Tuning => Recorder Failed)
> (ChangeRecordingEnd) Failed to change end time on card 5 to 
> 2023-11-25T06:45:00Z
> (HandleReschedule) Reschedule interrupted, will retry
> (HandleReschedule) Reschedule requested for CHECK -9 1703 0 
> UpdateRecStatus2 | Aqua Teen Forever: Plantasm |  | Everyone's 
> favorite rascals Frylock, Master Shake, Meatwad and Carl fight the 
> corporate overlord Amazin, led by tech mogul Neil and his trusty 
> scientist sidekick, Elmer. | MV018741290000
> (HandleReschedule) Reschedule requested for PLACE Interrupted
> (HandleReschedule) Scheduled 1657 items in 0.2 = 0.00 match + 0.00 
> check + 0.18 place
> (GetPlaybackURL) ProgramInfo(2757_20231125050000.ts): GetPlaybackURL: 
> '2757_20231125050000.ts' should be local, but it can not be found.
> (GetPlaybackURL) ProgramInfo(2757_20231125050000.ts): GetPlaybackURL: 
> '2757_20231125050000.ts' should be local, but it can not be found.
> (DoMetadataLookupThread) JobQueue: Metadata Lookup Starting for "Aqua 
> Teen Forever: Plantasm" recorded from channel 2757 at 
> 2023-11-25T05:00:00Z
> (GetPlaybackURL) ProgramInfo(2757_20231125050000.ts): GetPlaybackURL: 
> '2757_20231125050000.ts' should be local, but it can not be found.
> (GetPlaybackURL) ProgramInfo(2757_20231125050000.ts): GetPlaybackURL: 
> '2757_20231125050000.ts' should be local, but it can not be found.
> (DoFlagCommercialsThread) JobQueue: Commercial Detection Starting for 
> "Aqua Teen Forever: Plantasm" recorded from channel 2757 at 
> 2023-11-25T05:00:00Z
> (GetPlaybackURL) ProgramInfo(2757_20231125050000.ts): GetPlaybackURL: 
> '2757_20231125050000.ts' should be local, but it can not be found.
> (GetPlaybackURL) ProgramInfo(2757_20231125050001.ts): GetPlaybackURL: 
> '2757_20231125050001.ts' should be local, but it can not be found.
> (GetPlaybackURL) ProgramInfo(2757_20231125050001.ts): GetPlaybackURL: 
> '2757_20231125050001.ts' should be local, but it can not be found.
> (DoMetadataLookupThread) JobQueue: Metadata Lookup Starting for "Aqua 
> Teen Forever: Plantasm" recorded from channel 2757 at 
> 2023-11-25T05:00:01Z
> (GetPlaybackURL) ProgramInfo(2757_20231125050001.ts): GetPlaybackURL: 
> '2757_20231125050001.ts' should be local, but it can not be found.
> (GetPlaybackURL) ProgramInfo(2757_20231125050001.ts): GetPlaybackURL: 
> '2757_20231125050001.ts' should be local, but it can not be found.
> (DoFlagCommercialsThread) JobQueue: Commercial Detection Starting for 
> "Aqua Teen Forever: Plantasm" recorded from channel 2757 at 
> 2023-11-25T05:00:01Z
> (GetPlaybackURL) ProgramInfo(2757_20231125050001.ts): GetPlaybackURL: 
> '2757_20231125050001.ts' should be local, but it can not be found.
>
>
> The HDHR device is never terribly busy, but I see in the above:
>  Added 0 devices from 131F1E8E
>  Unable to find a free device
>
> The result is a 0-byte recording attempt in my recorded files.
>
> I don't recall having this problem in the past, but at the same time I 
> also used to have a HD-PVR device as well, so perhaps MythTV might 
> automatically fall back to using that if the HDHR tuners failed?  The 
> other difference is that the MythTV device is now connected via WiFi. 
> The signal is good strength, so I don't think it's just that the 
> network connection is poor.  Running hdhomerun_config with the "save" 
> option produces nothing but '.' characters, so not even a packet is 
> dropped.
>
>
> It's just that it seems that sometimes when a shows is to be recorded, 
> MythTV fails to find/open a tuner.  Is there something interently 
> about a WiFi-connected MythTV box that might make an HDHR less 
> reliable than it should be?  Are there any other tricks for HDHR 
> tuning reliability?
>
>
> Thanks
> -WD
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://lists.mythtv.org/mailman/listinfo/mythtv-users
> http://wiki.mythtv.org/Mailing_List_etiquette
> MythTV Forums: https://forum.mythtv.org

  I haven't used mine in a few years,but I think I would try a new Power 
supply as they are prone to failure. The capacitors swell up and they go 
out of tolerance.