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Date:      Tue, 23 May 1995 18:10:01 -0700
From:      Pierre Beyssac <pb@fasterix.freenix.fr>
To:        freebsd-bugs
Subject:   kern/438: panic: vwakeup: neg numoutput
Message-ID:  <199505240110.SAA23682@freefall.cdrom.com>
In-Reply-To: Your message of Wed, 24 May 1995 02:55:13 %2B0200 <199505240055.CAA12412@fasterix.frmug.fr.net>

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>Number:         438
>Category:       kern
>Synopsis:       panic: vwakeup: neg numoutput
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs (FreeBSD bugs mailing list)
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue May 23 18:10:00 1995
>Originator:     Pierre Beyssac
>Organization:
Pierre Beyssac
>Release:        FreeBSD 2.0-BUILT-19950522  i386
>Environment:

	PC 486 with IDE drive, booted via NFS on a FreeBSD-current PC.
	(i.e., the 'diskless' PC boots without using its IDE drive)

	It gets its root and swap partitions via NFS.

>Description:

	Panic when trying to disklabel the IDE drive attached on the
	'diskless' PC.

>How-To-Repeat:

	# disklabel -w -r /dev/wd0s2 labelname

-> console messages
	fixlabel: invalid magic
	fixlabel: invalid magic
	panic: vwakeup: neg numoutput

	Notes:

		- I used wd0s2. That's obviously wrong, but I'm not sure
		  that's relevant.
		- the filesystem containing the inode for /dev/wd0s2
		  was NFS-mounted
		- Slice 1 is a DOS partition on that PC. Slice 2 was an
		  extended DOS partition with no previous disklabel, but
		  with its ID changed to become a FreeBSD partition.
		- the drive was previously completely unlabelled.

>Fix:
	
	I finally managed to correctly disklabel that disk, after many
	tries.
>Audit-Trail:
>Unformatted:





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