[linux-dvb] Hauppauge Nova-T PCI: cx8802_timeout

Simon Kilvington s.kilvington at eris.qinetiq.com
Fri Sep 23 10:54:49 CEST 2005

Hash: SHA1

Mark Weaver wrote:
>> Are you doing tzap CHAN_XX -r  ?
>> -r is the key.
> I wasn't, but it doesn't seem to make any difference -- it still gets a
> lock fine, but there's no data from the card (dvbstream/mplayer/scan).
> It also doesn't get a lock if I ask it to tune to some made up
> frequency, so it seems that the tuner is working ok.
>>> cx88[0]/2: cx8802_timeout
>>> cx88[0]/2: cx8802_stop_dma
>>> cx88[0]/2: restarting queue
>>> cx88[0]/2: cx8802_restart_queue
>>> cx88[0]/2: cx8802_restart_queue: queue is empty
>>> cx88[0]/2: queue is empty - first active
>>> cx88[0]/2: cx8802_start_dma w: 0, h: 0, f: 2
>>> cx88[0]/2: setting the interrupt mask
>>> cx88[0]/2: [f653cdc0/0] cx8802_buf_queue - first active
>>> is repeated over and over in the logs.
>>> I've had a bit of a poke around, but I'm at a loss as to what to try
>>> next.
>> I get the same messages with my cx88 boards.  They annoy me, but I
>> never really cared.  There's probably some verbosity default setting
>> set too high. Does anybody know if these messages are important enough
>> to keep visible by default?
> This looks to me like it is restarting the RISC program on the DMA
> controller after not seeing any data for 0.5s, so I don't think it
> should happen under normal circumstances.
> Thanks,
> Mark
> _______________________________________________
> linux-dvb mailing list
> linux-dvb at linuxtv.org
> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb

I get the same dmesg's all the time and my card works fine.

I had a problem with my nova-t card where when the frontend device was
closed it would quickly lose its lock, so this would work:

dvbtune -f ... && dvbdate

but this would not:

dvbtune -f ...

does the "-i" flag work on dvbtune? does dvbstream work when you use
"-f" to tune it?

when I put mythtv on my box, it keeps the frontend open so data is
always available (though I have to use mythtv to change MUX rather than

- --
Simon Kilvington

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