descrambler: ECM late (8 seconds) for service ***

  • Hi,


    I wonder if anyone can advise me.


    I have a 0960 card in an Omnikey with the following os/software:


    Debian 8 Jessie - 3.16.0-4-amd64
    TVHeadend 4.0.9-13~g64fec81~jessie
    OSCam r11273 1.20-unstable_svn


    In the server I have the following hardware:
    TBS 6909 Octo core tuner
    TBS 6205 Quad DVB-T tuner
    Omnikey 3121 USB Cardreader


    I am successfully transcoding streams using FFMPEG, however I am finding that once I get to 30 or more concurrent streams the ECM's start to randomly spike in OSCAM, causing timeouts.


    None of the DVB-T streams drop, as obviously no CWC sharing is required.


    What I am seeing in TVH is:
    2016-10-11 20:08:48.396 cwc: Got unexpected ECM reply (seqno: 43264)
    2016-10-11 20:08:56.207 descrambler: At The Races odd stream key is not valid
    2016-10-11 20:09:04.192 descrambler: ECM late (8 seconds) for service "At The Races"
    2016-10-11 20:09:04.291 cwc: Got unexpected ECM reply (seqno: 43322)
    2016-10-11 20:09:12.204 descrambler: At The Races odd stream key is not valid
    2016-10-11 20:09:12.280 cwc: Got unexpected ECM reply (seqno: 43350)
    2016-10-11 20:09:20.176 descrambler: ECM late (9 seconds) for service "Disney Junior"
    2016-10-11 20:09:20.192 cwc: Got unexpected ECM reply (seqno: 43381)
    2016-10-11 20:09:20.198 descrambler: ECM late (9 seconds) for service "History"
    2016-10-11 20:09:20.285 cwc: Got unexpected ECM reply (seqno: 43382)
    2016-10-11 20:09:28.170 descrambler: ECM late (9 seconds) for service "Sky Arts"
    2016-10-11 20:09:28.202 cwc: Got unexpected ECM reply (seqno: 43410)
    2016-10-11 20:09:28.211 descrambler: History odd stream key is not valid
    2016-10-11 20:09:36.165 descrambler: Sky Arts odd stream key is not valid
    2016-10-11 20:09:36.187 cwc: Got unexpected ECM reply (seqno: 43439)
    2016-10-11 20:09:36.205 descrambler: ECM late (8 seconds) for service "History"
    2016-10-11 20:09:44.168 descrambler: ECM late (9 seconds) for service "Sky1"
    2016-10-11 20:09:44.189 cwc: Got unexpected ECM reply (seqno: 43469)
    2016-10-11 20:09:44.209 descrambler: History odd stream key is not valid
    2016-10-11 20:09:44.282 cwc: Got unexpected ECM reply (seqno: 43470)


    And on and on and on.


    So the problem must be either:


    With the card actually being maxed out?
    With the card reader being limited? Should I try a more powerful reader?


    Or...


    Something in my config?!


    Any help will be really appreciated!


    Thanks

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