[linux-dvb] divide error with ST STV0297 DVB-C

Peter Maersk-Moller peter at maersk-moller.net
Fri Jun 15 19:21:00 CEST 2007


Hi Oliver.

Adding a symbol rate did the trick. Thanks. Now I just have to find the 
right frequencies/qam/rate.

Thanks for your hint.

--PMM

Oliver Endriss wrote:
> Peter Maersk-Moller wrote:
>> Hi
>>
>> When trying to tune with my TT Budget T1500,I get a divide error from 
>> the kernel. Tried 2.6.21.2 and 2.6.21.5.
>>
>> Is this a well known issue ?
> 
> Not until now. Thanks for reporting. ;-)
> 
>> More info below. When I try to tune my TT Premium DVB-C (same front end 
>> ST STV0297 DVB-C) the same dvide error happens locking up the card.
>>
>> ...
>>
>> dvbtune -c 1 -f 562000
>> Using DVB card "ST STV0297 DVB-C"
>> tuning DVB-C to 562000, srate=0
>                           ^^^^^^^
> Please test whether it works when you use a sane symbol rate.
> 0 does not make sense.
> 
>> ...
>> Jun 14 20:36:09 dvb01 kernel: EIP is at stv0297_set_sweeprate+0xa/0x5f [stv0297]
>> ...
> 
> Apparently, specifying symbol rate 0 causes a divide-by-zero error in
> stv0297_set_sweeprate().
> 
> Anyway, the driver should not crash. I'll apply a fix asap.
> 
> Oliver
> 




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