[linux-dvb] Cinergy T2 lockup, needs power cycling

Holger Waechtler holger at qanu.de
Mon Apr 4 19:04:03 CEST 2005


Stephen Williams wrote:

>Every few boots (say, around every 5) my Cinergy T2 needs a complete
>power cycle (i.e unplugging it) to start working again. Until it's
>power cycled, tzap just returns bogus results like:
>
>status 00 | signal ffff | snr c000 | ber 00000000 | unc 00000000 |
>status 00 | signal ffff | snr c000 | ber 00000000 | unc 00000000 |
>status 00 | signal ffff | snr c000 | ber 00000000 | unc 00000000 |
>...
>
>After unplugging it / plugging it in again everything starts to work.
>Restarting my system does not fix the problem, therefore I believe the
>T2 has managed to get itself into some odd state that only a power
>cycle is breaking...
>
>Has anybody else witnessed this behaviour? Other than the T2 never
>being able to tune there are no other visible symptoms / unexpected
>error messages.
>
>Is there any other info that I could provide / any other way I could debug this?
>
>Alternatively, is there anyway I can make the box perform a full
>reset, maybe on initialisation of cinergyt2 module?
>
>Any info would be greatly appreciated.
>  
>

You could try to issue a usb_reset_device() at driver initialisation in 
order to restart the firmware. Please report if this solves your problem.
thanks,

Holger





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