[mythtv-users] What to expect when you're expecting FireWire

[Ryan Steffes]

On Jan 7, 2008 9:39 PM, Ryan Steffes <rbsteffes at gmail.com> wrote:
> I've just recently made the jump to digital cable when I worked out
> that I could save $3 a month with a bundled cable/internet promotion
> Time Warner was running here in Raleigh.  Since I don't have an HDTV,
> I'm more or less intellectually satisfied with using an IR Blaster and
> capturing from SVideo.  I wanted to try getting the firewire interface
> working first though, but what I quickly discovered is that there's
> not a lot of leeway in between working and not working.
>
> The box seems to be detected fine, which actually is what's confusing
> me.  If it wasn't being detected AT ALL, I'd just say the ports
> weren't working and debate going to raise a fuss.
>
> Upon plugging in, dmesg shows:
>
> ieee1394: Node added: ID:BUS[0-01:1023]  GUID[001cea0a3cc20000]
> ieee1394: raw1394: /dev/raw1394 device initialized
> ieee1394: Node suspended: ID:BUS[0-01:1023]  GUID[001cea0a3cc20000]
> ieee1394: Node resumed: ID:BUS[0-01:1023]  GUID[001cea0a3cc20000]
>
>
> plugreport shows:
>
> Host Adapter 0
> ==============
>
> Node 0 GUID 0x000199000009e2bd
> ------------------------------
> libiec61883 error: error reading oMPR
> libiec61883 error: error reading iMPR
>
> Node 1 GUID 0x001cea0a3cc20000
> ------------------------------
> 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=0, overhead_id=0, payload=146
> iMPR n_plugs=0, data_rate=2
>
> But test-mpeg2 just gives:
>
>  libiec61883 warning: Overlayed connection on channel 0.
> You may need to manually set the channel on the receiving node.
> Starting to receive
>
> and sits until I kill it.
>
> And firewire_tester just gives a long string of fail:
> ./firewire_tester -n 1 -p -r 10
> Action: Test P2P connection 10 times, node 1, channel 1
> P2P: Testing...Failed
> P2P: Testing...Failed
> P2P: Testing...Failed
> P2P: Testing...Failed
> P2P: Testing...Failed
> P2P: Testing...Failed
> P2P: Testing...Failed
> P2P: Testing...Failed
> P2P: Testing...Failed
> P2P: Testing...Failed
>
> Any suggestions while I wait on the ir blaster I ordered to arrive?
>

Bah, forgot to mention the STB is a Scientific Atlantic Explorer 4240
HDC.  It could just be that the ports are turned off, but it would
have seemed to me that the thing wouldn't have detected at all if that
were the case.

Thanks

Ry