Matt Pratt wrote: > On 2/27/06, *Matt Pratt* <mattpratt.au@xxxxxxxxx > <mailto:mattpratt.au@xxxxxxxxx>> 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
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-- Martin Petrovsky <mpetrovsky@xxxxxxxxxxxxxxx> |
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