[linux-dvb] Re: Hardware lockup

[Holger Waechtler <holger@convergence.de>]

hmmm,

davep wrote:
> On Thursday 05 Dec 2002 07:55, you wrote:
> 
>>Hi,
>>
>>I am experiencing a hardware lock up problem when using the current CVS
>>version of the DVB drivers with a Haupauge nova-t DVB card.
>>
>>I am using the following sequence:
>>
>>1. Power the computer up and boot into Linux
>>2. cd DVB/driver
>>3. make insmod
>>4 run dvbtune.
>>
>>The computer then locks up. It appears that some kind of reset has
>>occured, since the keyboard lights flash. I have no mouse or keyboard
>>response. If I then reset the computer and repeat the above steps, dvbtune
>>runs
>>correctly.This is reasonably repeatable - it heppens most times I start
>>the computer from cold.
>>
>>Config:
>>Mandrake 9.0
>>Kernel 2.4.19-16mdk
>>DVB taken from CVS on 3/Dec/2002
>>
>>The dvb card is a haupauge nova-t budget card. The kernel reports it is a
>>(TT-Budget/WinTV-NOVA-T PCI)
>>The front end is reported as : Grundig 29504-401.
>>
>>Can anyone give me some pointers to help track this down? I am guessing
>>that there is some card initialisation missing from the driver.
> 
> 
> Yes I've seen solid lockups a couple of times (RedHat 7.3, stock 2.4.18
> kernel, early-model dvb-t). My procedure which has always worked so far is
> (1) make insmod (2) wait a couple of minutes (3) run dvbtune *once*,
> specifying a valid frequency QAM etc (3) wait five minutes for the driver to
> settle down (4) use the card. Not letting the driver settle seems to be the
> cause of the lockups.

can you please investigate this a little more in detail and try to find 
out what causes the problems?

thanks,

Holger



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