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Date:      Thu, 17 Oct 2002 01:11:42 +0900 (JST)
From:      Mitsuru IWASAKI <iwasaki@jp.FreeBSD.org>
To:        jhb@FreeBSD.ORG
Cc:        current@FreeBSD.ORG
Subject:   Re: PCI problems with today's current
Message-ID:  <20021017.011142.23004863.iwasaki@jp.FreeBSD.org>
In-Reply-To: <20021015193547.A88774@panzer.kdm.org> <20021003175706.A1221@panzer.kdm.org>
References:  <20021015130947.A86610@panzer.kdm.org> <20021016.045918.109976092.iwasaki@jp.FreeBSD.org> <20021015193547.A88774@panzer.kdm.org>

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> > > If still NG, please try the attached patch against SupermicroP3TDE6.asl.
> > > # _BBN is bridge bus number, my guess is 0x3.  You can try to change it
> > > # if failed.
> > 
> > Maybe 0x2 is correct.
> 
> I tried 2, and it seems to work correctly now.
> 
> Thanks!

Congratulations!

# Now we can start discussing ACPI PCI vs. legacy PCI :)
DSDT in ACPI BIOS on Supermicro P3TDE6 has obviously wrong _BBN value,
but previous kernel can fall back to legacy PCI bridge probing even if
PCI bridge probing by ACPI is failed.

From: "Kenneth D. Merry" <ken@kdm.org>
Subject: PCI problems with today's current
Date: Thu, 3 Oct 2002 17:57:06 -0600
Message-ID: <20021003175706.A1221@panzer.kdm.org>

> acpi_pcib1: <Host-PCI bridge> on acpi0
> acpi_pcib1: we have duplicate bus number 0 - not probing bus
[snip]
> pcib2: <ServerWorks host to PCI bridge> at pcibus 2 on motherboard
> IOAPIC #1 intpin 8 -> irq 16
> pci2: <PCI bus> on pcib2
> ti0: <Netgear GA620 1000baseT Gigabit Ethernet> mem 0xfebfc000-0xfebfffff irq 16 at device 2.0 on pci2

I think that previous probing system is much more robust and safer
in many cases, especially buggy ACPI BIOS.
John, can we have previous PCI probing system again?

Thanks

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