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Date:      Tue, 17 Nov 1998 05:57:52 GMT
From:      Mikhail Teterin <mi@aldan.algebra.com>
To:        FreeBSD-gnats-submit@FreeBSD.ORG
Subject:   kern/8720: sd0 vs. da0 in SCSI device wiring
Message-ID:  <199811170557.FAA21824@aldan.algebra.com>

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>Number:         8720
>Category:       kern
>Synopsis:       using sd-names in SCSI "wiring" prevents booting
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:
>Keywords:
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Nov 16 22:00:01 PST 1998
>Last-Modified:
>Originator:     Mikhail Teterin
>Organization:
Virtual Estates, Inc.
>Release:        FreeBSD 3.0-CURRENT i386
>Environment:

	Kernel config file, that worked for ages, with some SCSI
	disks "wired down".
	
>Description:

	I had several of my disks "wired down" in the config file
	as
		controller scbus0 at ahc0 bus 0
		disk sd0 at scbus0 target 1
		disk sd1 at scbus0 target 2

	After the introduction of CAM, this silently produces
	unbootable kernel -- "can not mount root (2)" panic.

>How-To-Repeat:

	See above.

>Fix:
	
	s/sd/da/ , but one would expect sd to continue working, or,
	at least, config to complain!
>Audit-Trail:
>Unformatted:

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