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

Martin Petrovsky mpetrovsky at swiftdsl.com.au
Wed Apr 5 03:23:34 CEST 2006


On Mon, 2006-03-06 at 10:51 +0000, abraham.manuatg wrote:

> Matt Pratt wrote:
> > On 2/27/06, *Matt Pratt* <mattpratt.au at gmail.com 
> > <mailto:mattpratt.au at gmail.com>> wrote:
> >
> >
> >     Non-working case:
> >
> >     bttv0: Bt878 (rev 17) at 0000:02:0c.0, irq: 169, latency: 132,
> >     mmio: 0xf9000000
> >     bttv0: using:  *** UNKNOWN/GENERIC ***  [card=0,autodetected]
> >     bttv0: gpio: en=00000000, out=00000000 in=00fffffe [init]
> >
> >     Which seems to indicate that the pci_read_config_word() of
> >     PCI_SUBSYSTEM_ID and PCI_SUBSYSTEM_VENDOR_ID is failing.
> >
> >     Does this indicate larger PCI problems, like a conflict between
> >     the boards?
> >
> >     Can some ACPI fiddling help here?
> >
> >
> >
> > 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!
> >
> 
> It all sounds very scary/crazy. If you can get in some logs on that, 
> lspci -vvv in both cases would be a bit interesting.
> 
> 
> Manu

-- 
Martin Petrovsky <mpetrovsky at swiftdsl.com.au>
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