[mythtv] SA4250 firewire channel change suddenly stopped working

[George Galt]

On Wed, Oct 29, 2008 at 10:33 AM, Scott Bickford <bic1ster at gmail.com> wrote:
> As of yesterday morning or so, my firewire sa4250_ch stopped working (was
> working last six months).  I unplugged power from the SA4250 and let it sit
> about 15 seconds.  I shutdown MythTV.  I also tried the other FW port on the
> STB.  Usually when the channel change request is done, I can see it on the
> LCD of the STB, this does not happen.  I tried the test-mpeg2 -r 1 >
> test.mpg, which actually works, all though playback is not smooth.  So FW is
> working to some extent, but not channel change.  Priming in the past has
> done pretty much nothing and just fails like nuts, so I did not even try it.
>
>
> ./sa4250_ch 2 -v
> node 0: vendor_id = 0x000090a9 model_id = 0x00000000
> node 1: vendor_id = 0x00001ac3 model_id = 0x000010cc
> Device acquired on node 1
> Changing channel 2
> AV/C Command: cmd0=0x00487ce7 cmd1=0x04000200 cmd2=0xff000000
>
> I am on MythDora 5.  For the sa4250_ch I had to add in the SA4250 vendor and
> model ids.
>
> I see on the STB info screens a lot of firmware had dates of August 2008.
> It sounds like something has changed on the STB where it is not recognizing
> the channel change request.
>
> plugreport
> Host Adapter 0
> ==============
>
> Node 0 GUID 0x0090a94008005308
> ------------------------------
> libiec61883 error: error reading oMPR
> libiec61883 error: error reading iMPR
>
> Node 1 GUID 0x001ac3f83c5c0000
> ------------------------------
> 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
>
> Any ideas?
>
>
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>

Scott:

You might want to try the mythtv-user list with this issue.  It's not
really a developer issue.

George