[mythtv-users] Firewire 1394 Still Not Working

[Steven Adeff]

On 3/25/06, Mike Smith <easygreenus at yahoo.com> wrote:
> Hi,
>
> I'm running mythtv 18.2 on a Mandriva 2006 system.
>
> I have been trying for months to get the Firewire
> Capture
> working.  I have firewire ports on my Asus
> motherboard.
> Could not get it working and when I heard Jarod could
> not get his to work,  I bought a Firewire card that
> was reported to work.
>
> Still could not get it to work.  Apparently the
> ieee1394 drivers we are using has difficulties when
> multiple firewire cards are present.  So, I turned
> the firewire built into my motherboard off in bios.
> Unfortunately, that also disabled my gigabit ethernet
> connections.  I worked with Asus to get a BIOS upgrade
> to fix this, so I'm ready to try again.
>
> I have the Scientific Atlanta 3250HD ( SA3250HD ) from
> Time Warner Cable in Cincinnati.  I can connect the
> firewire port to my TV and watch high def television
> from it.  So, the port is there,  AND its turned on.
>
> I connect it to my computer via the PCI firewire card.
> /var/log/messages reports:
> Mar 25 14:41:17 lbk kernel: ohci1394: $Rev: 1250 $ Ben
> Collins <bcollins at debian.org>
> Mar 25 14:41:17 lbk kernel: ohci1394: fw-host0:
> OHCI-1394 1.1 (PCI): IRQ=[21]
> MMIO=[d3dfe800-d3dfefff]  Max Packet=[4096]
> Mar 25 14:41:17 lbk kernel: ohci1394: fw-host1:
> OHCI-1394 1.1 (PCI): IRQ=[17]
> MMIO=[d3dff800-d3dfffff]  Max Packet=[2048]
> Mar 25 14:41:17 lbk kernel: ieee1394: raw1394:
> /dev/raw1394 device initialized
>
> dmesg shows:
>
> ieee1394: Initialized config rom entry `ip1394'
> ohci1394: $Rev: 1250 $ Ben Collins
> <bcollins at debian.org>
> ohci1394: fw-host0: OHCI-1394 1.1 (PCI): IRQ=[17]
> MMIO=[d3dff800-d3dfffff]  Max Packet=[2048]
> ieee1394: raw1394: /dev/raw1394 device initialized
> ieee1394: Node added: ID:BUS[0-00:1023]
> GUID[000f2142f10c0000]
> ieee1394: Host added: ID:BUS[0-01:1023]
> GUID[00d0035600b17934]
>
> Plugreport shows:
>
> Host Adapter 0
> ==============
>
> Node 0 GUID 0x000f2142f10c0000
> ------------------------------
> oMPR n_plugs=1, data_rate=2, bcast_channel=63
> oPCR[0] online=1, bcast_connection=0,
> n_p2p_connections=1
>         channel=0, data_rate=2, overhead_id=0,
> payload=146
> iMPR n_plugs=0, data_rate=2
>
> Node 1 GUID 0x00d0035600b17934
> ------------------------------
> libiec61883 error: error reading oMPR
> libiec61883 error: error reading iMPR
>
>
> I create a connection in mythtv-setup for firewire
> using Node=0 and port=0.  I pre-tune the cable box
> to a high def broadcast channel ( 912 ) and try
> to watch LiveTV in Myth.  I get the following
> in the mythbackend.log file:
>
> 2006-03-25 19:23:56.022 Changing from None to
> WatchingLiveTV
> 2006-03-25 19:23:56.027 Firewire: Initializing Port:
> 0, Node: 0, Speed: 100Mbps
> 2006-03-25 19:23:56.029 Firewire: Creating P2P
> Connection with Node: 0
> libiec61883 warning: Overlayed connection on channel
> 0.
> You may need to manually set the channel on the
> receiving node.
> 2006-03-25 19:23:56.044 Firewire: Created Channel: 0,
> Bandwidth Allocation: 0
> 2006-03-25 19:23:56.045 Firewire: Changing Speed
> 200Mbps -> 100Mbps
> 2006-03-25 19:24:11.047 Firewire: No Input in 15
> seconds [P:0 N:0] (select)
> 2006-03-25 19:24:11.073 Couldn't read data from the
> capture card in 15 seconds. Stopping.
> 2006-03-25 19:24:11.102 Changing from WatchingLiveTV
> to None
> 2006-03-25 19:24:11.104 Firewire: releasing
> iec61883_mpeg2 object
> 2006-03-25 19:24:11.106 Firewire: disconnecting
> channel 0
> 2006-03-25 19:24:11.114 Firewire: releasing raw1394
> handle
>
>
> Sorry for the long post.  I know people have this
> working.  I know Time Warner in Cincinnati is
> delivering content via the firewire.  I just can't
> get my particular installation working.
>
> Hopefully, someone can suggest the next step.  I'm
> out of ideas.
>
> Thanks,
>
> Mike

one issue may be that Time Warner has turned 5C=1 on for the channel
your testing. I don't know if the SA has a service menu like the
Motorola DCT boxes do where you can check this, but If I were you I
would try more channels to see what you do get.

--
Steve