Re: port-amd64/30654: Not all PCI busses configured on Tyan Thunder K8WE when using ACPI

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

The following reply was made to PR port-amd64/30654; it has been noted by GNATS.

From: Joerg Sonnenberger <joerg%britannica.bec.de@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: port-amd64/30654: Not all PCI busses configured on Tyan
        Thunder K8WE when using ACPI
Date: Thu, 22 May 2008 23:12:48 +0200

 On Thu, May 22, 2008 at 09:00:08PM +0000, Nicolas Joly wrote:
 >  In the mean tine, i already made a slightly modified DSDT version
 >  which use 0 for PCI0, and 1 for PCIB, but this does not makes any
 >  difference ...
 
 OK.
 
 >  Before any _BBN problem can arise, we fail to detect PCI busses that
 >  do not have _PRT from sys/arch/x86/x86/mpacpi.c in mpacpi_pcibus_cb():
 
 Right. The problem is that we can't do anything smart without a _PRT.
 So I don't think we can't really fix this. I certainly don't think that
 looking at the MPBIOS table automatically and fixing up a _PRT is a good
 idea, but you might be able to fix your DSDT that way.
 
 The only other approach would involve chipset specific knowlege to build
 a table manually, but I don't want to go down that road either.
 
 Joerg