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Thread: One tuner stops recording on PVR-500

  1. #1
    Join Date
    May 2007
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    One tuner stops recording on PVR-500

    I decided to upgrade my mythtv setup. I downloaded Mythbuntu 7.10 Release Candidate. Installed and everything was going fine....

    I recorded 4 shows. One on channel 5 at 8:00, one on channel 10 at 8:00, one on channel 5 at 9:00, and one on channel 10 at 9:00.

    I started to watch the shows and everything was fine until the Channel 10 show at 9:00. It only recorded the first 15 mins. Now I can't watch Live TV and everytime I try to record 2 shows, the first one records but the second doesn't. It shows up at 0 Bytes.

    If I restart it fixes the problem for awhile. I don't have commflag on, so no other jobs are running.

    please help..

  2. #2
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    May 2007
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    Re: One tuner stops recording on PVR-500

    here is the dmesg results

    Code:
    [   15.400000] ivtv:  ==================== START INIT IVTV ====================
    [   15.400000] ivtv:  version 1.0.0 (2.6.22-14-generic SMP mod_unload 586 ) loading
    [   15.404000] ivtv0: Autodetected Hauppauge card (cx23416 based)
    [   15.404000] ivtv0: Unreasonably low latency timer, setting to 64 (was 32)
    [   16.456000] ivtv0: loaded v4l-cx2341x-enc.fw firmware (3712466856 bytes)
    [   16.672000] ivtv0: Encoder revision: 0x02060039
    [   16.728000] ivtv0: Autodetected WinTV PVR 500 (unit #1)
    [   16.756000] tuner 1-0043: chip found @ 0x86 (ivtv i2c driver #0)
    [   16.760000] tuner 1-0060: chip found @ 0xc0 (ivtv i2c driver #0)
    [   16.760000] tuner 1-0061: chip found @ 0xc2 (ivtv i2c driver #0)
    [   16.796000] cx25840 1-0044: cx25843-24 found @ 0x88 (ivtv i2c driver #0)
    [   20.132000] wm8775 1-001b: chip found @ 0x36 (ivtv i2c driver #0)
    [   20.492000] ivtv0: Registered device video0 for encoder MPEG (4 MB)
    [   20.492000] ivtv0: Registered device video32 for encoder YUV (2 MB)
    [   20.492000] ivtv0: Registered device vbi0 for encoder VBI (1 MB)
    [   20.492000] ivtv0: Registered device video24 for encoder PCM audio (1 MB)
    [   20.492000] ivtv0: Registered device radio0 for encoder radio
    [   20.516000] ivtv0: Initialized WinTV PVR 500 (unit #1), card #0
    [   20.516000] ivtv:  ======================  NEXT CARD  ======================
    [   20.516000] ivtv1: Autodetected Hauppauge card (cx23416 based)
    [   20.516000] ivtv1: Unreasonably low latency timer, setting to 64 (was 32)
    [   21.192000] ivtv1: loaded v4l-cx2341x-enc.fw firmware (3662309696 bytes)
    [   21.408000] ivtv1: Encoder revision: 0x02060039
    [   21.412000] tuner 2-0043: chip found @ 0x86 (ivtv i2c driver #1)
    [   21.412000] tuner 2-0061: chip found @ 0xc2 (ivtv i2c driver #1)
    [   21.428000] cx25840 2-0044: cx25843-24 found @ 0x88 (ivtv i2c driver #1)
    [   24.716000] wm8775 2-001b: chip found @ 0x36 (ivtv i2c driver #1)
    [   24.780000] ivtv1: Correcting tveeprom data: no radio present on second unit
    [   24.780000] ivtv1: Autodetected WinTV PVR 500 (unit #2)
    [   25.144000] ivtv1: Registered device video1 for encoder MPEG (4 MB)
    [   25.144000] ivtv1: Registered device video33 for encoder YUV (2 MB)
    [   25.144000] ivtv1: Registered device vbi1 for encoder VBI (1 MB)
    [   25.144000] ivtv1: Registered device video25 for encoder PCM audio (1 MB)
    [   25.168000] ivtv1: Initialized WinTV PVR 500 (unit #2), card #1
    [   25.188000] ivtv:  ====================  END INIT IVTV  ====================
    [ 8042.420000] ivtv1: DMA TIMEOUT 00000001 0
    [ 8050.308000] ivtv1: DMA TIMEOUT 00000001 0
    [ 8057.916000] ivtv1: DMA TIMEOUT 00000001 0
    [ 8065.556000] ivtv1: DMA TIMEOUT 00000001 0
    With the DMA TIMEOUT's continuing on....

    I also see this:
    Code:
    2007-10-16 14:29:57.821 MPEGRec(/dev/video1) Error: select timeout - ivtv driver has stopped responding
    In the /var/log/mythtv/mythbackend.log
    Last edited by billbillerson; October 16th, 2007 at 07:51 PM.

  3. #3
    Join Date
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    Ubuntu Development Release

    Re: One tuner stops recording on PVR-500

    Do you have VBI enabled? If so, please disable it and try again.

  4. #4
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    Re: One tuner stops recording on PVR-500

    Quote Originally Posted by superm1 View Post
    Do you have VBI enabled? If so, please disable it and try again.
    What is VBI and where would I check if it is enabled?

    This is pretty much a default install, no settings where changed so far.

  5. #5
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    Re: One tuner stops recording on PVR-500

    VBI is used for closed captioning. It is one of the options listed in mythtv-setup.

  6. #6
    Join Date
    May 2007
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    6

    Re: One tuner stops recording on PVR-500

    VBI Fomat is set to None.

  7. #7
    Join Date
    May 2007
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    6

    Re: One tuner stops recording on PVR-500

    I restarted last night at 7. I recorded 3 shows, one at 8,9, and 10. They worked. This morning I decided to test it out again and started recording 2 shows at at time.

    2 shows at 7:00 am --> worked fine
    2 shows at 8:00 am --> worked fine
    2 shows at 9:00 am --> worked fine
    2 shows at 10:00 am --> one show fine the other only 224 MB
    2 shows at 12:00 pm --> one show fine the other 0 B

    again I have this in /var/log/mythtv/mythbackend.log:
    2007-10-17 12:29:54.509 MPEGRec(/dev/video0) Error: select timeout - ivtv driver has stopped responding


    and this in dmesg:
    [64837.016000] ivtv0: DMA TIMEOUT 00000001 0

    any help???

  8. #8
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    May 2007
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    Re: One tuner stops recording on PVR-500

    If I only record one show at a time it works fine. I have settled for doing it this way. It just really bothers me that I bought a 2 turner card but can't use both tuners.

  9. #9
    Join Date
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    Distro
    Ubuntu Development Release

    Re: One tuner stops recording on PVR-500

    Well two recommendations here.

    1) Bring this up on the ivtv mailing list.

    2) Get hauppauge to send you a new card. This one can very likely be busted.

  10. #10
    Join Date
    Aug 2007
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    32

    Re: One tuner stops recording on PVR-500

    I've had similar problems with DMA timeouts on one of my two Hauppauge tuners. This link on the mythtv wiki says there's a problem with IVTV and here they mention upgrading to IVTV 0.10.6. Is there any way to do this within apt-get (i.e. not compiling your own kernel)?

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