"Matthew N. Dodd" wrote:
> On Thu, 27 Jan 2000, Warner Losh wrote:
> > We've had *BAD* luck with the ex driver doing this...
>
> Except that the ex driver doesn't do anything destructive in its identify
> method now.
>
> I'm having a hell of a time getting the ex driver to attach in PnP mode
> but thats another story. I think the i85295 needs some special kicking or
> something but I don't have the manuals yet. It doesn't seem to be
> assigned the resources the kernel picks out for it. This is shown by
> 'pnpinfo'.
pnpinfo doesn't have anything to do with what the kernel thinks. It's a
userland program that manually resets and reconfigures the cards.. This is
an absolute disaster if you happened to be using the hardware, eg: the sound
driver. After running pnpinfo, the hardware essentially "disappears".
pciconf(8) does it properly, it asks the kernel via /dev/pci. pnpinfo uses
/dev/io to bash on the ports directly.
Cheers,
-Peter
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