[mythtv-users] DCH3200 STB Install -- Request for help

Brad Fuller bradallenfuller at gmail.com
Sun Aug 9 15:20:41 UTC 2009


On Sun, Aug 9, 2009 at 7:58 AM, <bhaskins at chartermi.net> wrote:
>
> ---- Kenneth Emerson <kenneth.emerson at gmail.com> wrote:
>> I'm hoping someone who has gone through the process of getting a firewire
>> connection working can help me to either get mine to work or convince me to
>> send it back to the cable company (Mediacom).  I have followed the
>> instructions in the MythTV wiki with the following results:
>>
>> Running Ubuntu 9.04
>> Asus motherboard with Agere FW322 IEEE1394 chip
>>
>> installed libraw1394, libavc1394, libiec61883
>> ken at mythtv:~$ lsmod | grep 1394
>> dv1394                 25948  0
>> raw1394                32732  0
>> ohci1394               38576  1 dv1394
>> ieee1394               94660  3 dv1394,raw1394,ohci1394
>>
>> root at mythtv:/home/ken# plugreport
>> Host Adapter 0
>> ==============
>>
>> Node 0 GUID 0x0023a2fffe93b690
>> ------------------------------
>> oMPR n_plugs=1, data_rate=2, bcast_channel=63
>> oPCR[0] online=1, bcast_connection=0, n_p2p_connections=0
>>         channel=0, data_rate=2, overhead_id=0, payload=376
>> iMPR n_plugs=0, data_rate=2
>>
>> Node 1 GUID 0x001e8c000137ea34
>> ------------------------------
>> libiec61883 error: error reading oMPR
>> libiec61883 error: error reading iMPR
>>
>> If I reset the bus and then run the following while tuned to an analog
>> channel:
>>
>> root at mythtv:/home/ken# 6200ch -n 0 -v 5
>> starting with node: 0
>> node 0: vendor_id = 0x000023a2 model_id = 0x0000d330
>> AV/C Command: 005 = Op1=0x00487C20 Op2=0x00487C20 Op3=0x00487C25
>>
>> root at mythtv:/home/ken# firewire_tester -n0 -R
>> Action: Resetting the firewire bus
>> Bus reset succeeded
>> root at mythtv:/home/ken# plugctl -n 0 "oPCR[0].n_p2p_connections=1"
>> root at mythtv:/home/ken# firewire_tester -B -n 0 -r 2
>> Action: Attempt to fix broadcast connection 2 times, node 0
>> Broadcast: Testing...Failed
>> P2P: Testing...Success, 73 packets received
>> Broadcast: Testing...Failed
>> P2P: Testing...Failed
>> P2P: Testing...Success, 71 packets received
>> Broadcast: Testing...Success, 68 packets
>> Broadcast: Testing...Success, 73 packets
>> Broadcast: Testing...Success, 71 packets
>> Broadcast: Testing...Success, 72 packets
>> Broadcast: Testing...Success, 65 packets
>> Broadcast Fix: Success
>> Broadcast: Testing...Success, 71 packets
>> Broadcast: Testing...Success, 68 packets
>> Broadcast: Testing...Success, 69 packets
>> Broadcast: Testing...Success, 72 packets
>> Broadcast: Testing...Success, 70 packets
>> Broadcast Fix: Success (already stable)
>>
>> I can then run test-mpeg2 and I will get a data stream.
>>
>> If I then run 6200ch and change the channel to a digital channel (703 which
>> is a local NBC channel transmitted in HD), everything fails:
>>
>> root at mythtv:/home/ken# 6200ch -n 0 -v 703
>> starting with node: 0
>> node 0: vendor_id = 0x000023a2 model_id = 0x0000d330
>> AV/C Command: 703 = Op1=0x00487C27 Op2=0x00487C20 Op3=0x00487C23
>> root at mythtv:/home/ken# firewire_tester -n0 -R
>> Action: Resetting the firewire bus
>> Bus reset succeeded
>> root at mythtv:/home/ken# plugctl -n 0 "oPCR[0].n_p2p_connections=1"
>> root at mythtv:/home/ken# firewire_tester -B -n 0 -r 2
>> Action: Attempt to fix broadcast connection 2 times, node 0
>> Broadcast: Testing...Failed
>> P2P: Testing...Failed (sync failed)
>> P2P: Testing...Failed (sync failed)
>> P2P: Testing...Failed (sync failed)
>> P2P: Testing...Failed (sync failed)
>> P2P: Testing...Failed (sync failed)
>> P2P: Testing...Failed (sync failed)
>> P2P: Testing...Failed (sync failed)
>> P2P: Testing...Failed (sync failed)
>> P2P: Testing...Failed (sync failed)
>> P2P: Testing...Failed (sync failed)
>> Broadcast Fix: Failed
>> Broadcast: Testing...Failed (sync failed)
>> P2P: Testing...Failed
>> P2P: Testing...Failed (sync failed)
>> P2P: Testing...Failed (sync failed)
>> P2P: Testing...Failed
>> P2P: Testing...Failed (sync failed)
>> P2P: Testing...Failed (sync failed)
>> P2P: Testing...Failed (sync failed)
>> P2P: Testing...Failed (sync failed)
>> P2P: Testing...Failed (sync failed)
>> P2P: Testing...Failed (sync failed)
>> Broadcast Fix: Failed
>>
>> and running test-mpeg2 results in a zero byte file.
>>
>> Is this because of how the STB has been programmed by Mediacom?
>>
>> --- Ken
> I guess that I'm also eagerly awaiting a response to your email because
> I'm trying to do almost the same thing except that for now it will only be a
> DCH3200 -> firewire -> BE only (Thiinkpad laptop).
> This has some channels that I can't seem to get any other way without
> renting a second STB.
> Which of the two FW ports are you using?
> Have you tried mythprime?
> My provider ( Charter ) has assured me that the port(s) are not disabled.
>

I could never get P2P working, I used broadcast when setting it up
outside (as you did in the beginning of your post) and set the
broadcast switch inside mythtv-setup.


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