[linux-dvb] Re: Twinhan Vision Plus & WinFast DTV1000-T

Manu Abraham abraham.manu at gmail.com
Mon Mar 6 10:41:39 CET 2006

Sigmund Augdal Helberg wrote:
>> So even lspci -x was showing that the Subsystem Id and Subsustem
>> Vendor Id were being cleared to zeros in the PCI config space of this
>> card. But only when the two cards were in the machine. No amount of
>> slot swapping seemed to make a difference. Upgrade of motherboard
>> firmware made no difference. noacpi, lacpi, pci=routeirq, pci=noacpi
>> made no difference. Went to the effort of putting the cards into
>> another machine. They just worked. Eventually tried acpi=off (which I
>> thought noacpi would have done the same thing) and they both worked! 
> These cards often does not initialize correctly at bootup, this is
> usually fixed by forcing the driver to treat these cards as twinhan
> cards (by using modprobe bttv card=0x71,0x71 (repeate for the number of
> cards you have)), then make sure the rdc8820_reset function of dst.c is
> called. This may happen by default or not depending on which driver
> tree/revition you are using. If it is not happening loading the driver
> twice usually works.

Sigmund, this is not forcing the driver, but rather the PCI ID's is 
missing when 2 cards are put together on a motherboard which is not seen 
on another motherboard, which is rather strange. (From what i understood 
of the problem)


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