[mythtv-users] HVR-1600 issue

Chris Porter hoodlum7 at gmail.com
Mon Dec 7 17:14:41 UTC 2015


On Sun, Dec 6, 2015 at 2:06 PM Chris Porter <hoodlum7 at gmail.com> wrote:
>
> > I recently upgraded from Kernel 3.10.17 to 4.1.13 and I have encountered
> > an issue recording analog. When on the kernel 4.1.13 I get the following
> > errors in the MythTV backend log
> >
> > 2015-12-06 00:39:16.684538 D [7969/8965] ProcessRequest
> livetvchain.cpp:32
> > (LiveTVChain) - LiveTVChain(): ctor
> > 2015-12-06 00:39:16.685764 I [7969/7985] TVRecEvent tv_rec.cpp:1051
> > (HandleStateChange) - TVRec[8]: Changing from None to
> >  WatchingLiveTV
> > 2015-12-06 00:39:16.688534 I [7969/7985] TVRecEvent tv_rec.cpp:3604
> > (TuningCheckForHWChange) - TVRec[8]: HW Tuner: 8->8
> > 2015-12-06 00:39:16.698083 I [7969/7985] TVRecEvent
> > recorders/v4lchannel.cpp:558 (SetInputAndFormat) - V4LChannel[8](/dev
> > /video-cx18-0): SetInputAndFormat(4, NTSC) (v4l v2) input_switch: 0
> > mode_switch: 1
> > 2015-12-06 00:39:16.698105 E [7969/7985] TVRecEvent
> > recorders/v4lchannel.cpp:570 (SetInputAndFormat) - V4LChannel[8](/dev
> > /video-cx18-0): SetInputAndFormat(4, NTSC)
> >                         while disabling streaming (v4l v2)
> >                         eno: Invalid argument (22)
> > 2015-12-06 00:39:16.698857 I [7969/7985] TVRecEvent
> > recorders/v4lchannel.cpp:558 (SetInputAndFormat) - V4LChannel[8](/dev
> > /video-cx18-0): SetInputAndFormat(4, NTSC) (v4l v2) input_switch: 0
> > mode_switch: 1
> > 2015-12-06 00:39:16.698875 E [7969/7985] TVRecEvent
> > recorders/v4lchannel.cpp:570 (SetInputAndFormat) - V4LChannel[8](/dev
> > /video-cx18-0): SetInputAndFormat(4, NTSC)
> >                         while disabling streaming (v4l v2)
> >                         eno: Invalid argument (22)
> > 2015-12-06 00:39:16.698883 E [7969/7985] TVRecEvent
> > recorders/v4lchannel.cpp:652 (SwitchToInput) - V4LChannel[8](/dev/vid
> > eo-cx18-0): SetInputAndFormat() failed
> > 2015-12-06 00:39:16.698890 E [7969/7985] TVRecEvent tv_rec.cpp:3793
> > (TuningFrequency) - TVRec[8]: Failed to set channel t
> > o 10. Reverting to kState_None
> > 2015-12-06 00:39:16.698907 I [7969/7985] TVRecEvent tv_rec.cpp:1051
> > (HandleStateChange) - TVRec[8]: Changing from Watchin
> > gLiveTV to None
> >
> >
> > However, when I switch back to 3.10.17 it works normally.
> >
> > 2015-12-06 11:32:03.500783 I [1311/1337] TVRecEvent tv_rec.cpp:1051
> > (HandleStateChange) - TVRec[8]: Changing from None to
> >  WatchingLiveTV
> > 2015-12-06 11:32:03.502609 I [1311/1337] TVRecEvent tv_rec.cpp:3604
> > (TuningCheckForHWChange) - TVRec[8]: HW Tuner: 8->8
> > 2015-12-06 11:32:03.507942 I [1311/1337] TVRecEvent
> > recorders/v4lchannel.cpp:558 (SetInputAndFormat) - V4LChannel[8](/dev
> > /video-cx18-0): SetInputAndFormat(4, NTSC) (v4l v2) input_switch: 0
> > mode_switch: 0
> > 2015-12-06 11:32:03.515234 N [1311/1311] CoreContext autoexpire.cpp:264
> > (CalcParams) - AutoExpire: CalcParams(): Max requ
> > ired Free Space: 2.0 GB w/freq: 15 min
> > 2015-12-06 11:32:03.692293 N [1311/1311] CoreContext autoexpire.cpp:264
> > (CalcParams) - AutoExpire: CalcParams(): Max requ
> > ired Free Space: 2.0 GB w/freq: 15 min
> > 2015-12-06 11:32:03.777436 E [1311/1337] TVRecEvent recordinginfo.cpp:928
> > (InsertProgram) - RecordingInfo::InsertProgram(
> > ProgramInfo(4191_20151206193203.mpg): channame(KGTV) startts(Sun Dec 6
> > 19:30:00 2015) endts(Sun Dec 6 20:00:00 2015)
> >              recstartts(Sun Dec 6 19:32:03 2015) recendts(Sun Dec 6
> > 20:00:00 2015)
> >              title(Sea Rescue)): recording already exists...
> >
> >
> > The problem seems to stem around the attempt to disable streaming which
> > does not appear to happen when on the 3.10.17 kernel. Has anyone see this
> > issue and if so have they found a work around? <https://forum.mythtv.org
> >
> >
>
> Take a look at https://code.mythtv.org/trac/ticket/12522
> If you are in a position to compile from source, you could try the patch
> attached to that ticket.
>
> John


Thanks John. I will try compiling the source with the patch. I typically do
a git pull every time just before I build. I do see the patch is slated for
0.27.6 release. I will do my usual pull and check to see if the patch is
included. If it is not, I will patch and try. Thank you for the reply.
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