Michael Buesch wrote: > > Are these all the read/write bits in the configuration area?
No, there are more of them. Most bytes in config space are rw, except the first four. > > Should I conclude that someone zeroed this area? No, because there are still valid bytes. Especially the first byte in the BAR being non-zero (maybe even unchanged) is peculiar. > Yeah well. I'm not sure. It _looks_ like someone completely cut the > physical power line to the card and it reset its complete PCI > config. PCIe maps config space into MMIO IIRC. It might be clobbered that way. > So well, X does poke with the PCI devices. But as you said it also > happens if X doesn't run, I'd rule that out. Agree. > But I would not rule out a fucked BIOS, yet. Possibly. > Does the BIOS have any powersave options and/or spread-spectrum > options for the PCI-bus? Can you try to turn them all off? Being a HP I don't expect there are many options in the BIOS. :\ > > In case the kernel memory diagnostics don't help, is there any > > way to trap writes to the configuration registers? > > Well, if we have random memory corruption, that can hit memory and MMIO. > It doesn't hurt to turn on all debugging options. Often you get some hint > by doing so. I hope this will give some more info. I think it will. //Peter _______________________________________________ Bcm43xx-dev mailing list [email protected] https://lists.berlios.de/mailman/listinfo/bcm43xx-dev
