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Date: Sat, 7 Nov 1998 19:25:41 -0500 (EST)
From: Lee Cremeans <lcremean@tidalwave.net>
To: FreeBSD-gnats-submit@FreeBSD.ORG
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Subject: i386/8594: 3.0-RELEASE-981107 kernel refuses to see second IDE channel
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>Number:         8594
>Category:       i386
>Synopsis:       ide_pci disables second channel in 3.0-CURRENT
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:
>Keywords:
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Nov  7 16:30:01 PST 1998
>Last-Modified:
>Originator:     
>Organization:
THis room? Are you crazy? :) 
>Release:        FreeBSD 3.0-CURRENT i386
>Environment:

	o FreeBSD 3.0-CURRENT CVSupped last night 
	o Amptron PM-9600 motherboard, "TXTWO" (actually Acer Aladdin IV+) chipset
	o ide_pci.c in, with DMA enabled on my main drive, a Seagate ST39140A
	o Any EIDE or ATAPI device on the second ATA channel (wdc1)

>Description:

	When I try to use any IDE device (regular or ATAPI) on my
	motherboard's second channel, FreeBSD tries to detect it, and
	fails. When I use the DISABLE_PCI_IDE option in my kernel
	config, devices on the second channel are detected correctly.
	This has been an issue with 3.0-CURRENT ever since I changed to
	this motherboard from a FIC PA-2007 (which has the VIA Apollo
	VP2 chipset, which is specfically supported in ide_pci.c). The
	problem on the second channel happens regardless of orientation
	of devices (ATAPI master, ATAPI slave no master, ATA master,
	ATAPI slave with ATA master). 
	
>How-To-Repeat:

	THe problem seems to be particular to this board, so I would try
	it on a board with a recent Acer chipset first. Just hook up
	something to the second channel, and watch it not work.
>Fix:
	
	"options DISABLE_PCI_IDE" seems to work for now, but
	unfortunately, I need that for the main drive, so I have to keep
	it out. 
>Audit-Trail:
>Unformatted:

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