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Date:      Tue, 30 Oct 2001 19:37:27 -0500 (EST)
From:      Mikhail Teterin <mi@aldan.algebra.com>
To:        ache@nagual.pp.ru
Cc:        peter@wemm.org, current@freebsd.org, sos@freebsd.org
Subject:   Re: ouch -- the second controller on Promise-66 is not detected!
Message-ID:  <200110310037.f9V0bSW65011@aldan.algebra.com>
In-Reply-To: <20011031031320.A41539@nagual.pp.ru>

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Alright, alright, what do I do now?  I did NOT wire any ata devices, and
hints only list the on-motherboard ata controllers (one of them has a CD
drive attached to it, that's it):

	hint.ata.0.at="isa"
	hint.ata.0.port="0x1F0"
	hint.ata.0.irq="14"
	hint.ata.1.at="isa"
	hint.ata.1.port="0x170"
	hint.ata.1.irq="15"

		-mi

On 31 Oct, Andrey A. Chernov wrote:
> On Wed, Oct 31, 2001 at 02:57:42 +0300, Andrey A. Chernov wrote:
>> On Tue, Oct 30, 2001 at 14:57:17 -0800, Peter Wemm wrote:
>> 
>> > date: 2000/05/26 13:59:05;  author: sos;  state: Exp;  lines: +8 -13
>> > If devclass_alloc_unit() is called with a wired unit #, and this is
>> > buzy, only search upwards for a free slot to use..
>> > 
>> > This  broke  unit  numbering  on ATA  systems  where  PCI  attached
>> > controllers come before the mainboard ones...
>> 
>> This need  to be resolved somehow  else, not by using  next free slot
>> causing  multiply consoles,  keyboards, etc.  detected (with  panic).
>> Probably upper  level numbering  code, i.e. ATA  needs to  detect its
>> conflicts, not bus numbering code itself.
> 
> Giving more details:
> ATA code must test wired slot, and,  if it is busy, increase number to
> next free slot and give it to bus code afterwards.

	-mi



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