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Date:      Thu, 18 Jan 2001 12:09:31 -0500 (EST)
From:      rwatson@freebsd.org
To:        FreeBSD-gnats-submit@freebsd.org
Subject:   bin/24435: Unable to create root partition. Too big?
Message-ID:  <200101181709.f0IH9Va82930@fledge.watson.org>

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>Number:         24435
>Category:       bin
>Synopsis:       Changing slice type causes Auto-partition to not work
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Jan 18 09:10:01 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     Robert Watson
>Release:        FreeBSD 4.2-RELEASE i386
>Organization:
NAI Labs
>Environment:

4.2-RELEASE install

>Description:

A co-worker of mine was installing FreeBSD 4.2-RELEASE on a machine
that previously held two FAT partitions.  Rather than delete and
recreate the first partition to change it to a FreeBSD partition,
he changed the partition "type" using T.  The slice editor then showed
"the right thing".  However, when he then got to partition allocation,
hitting A resulted in the following message:

  Unable to create the root partition. Too big?

Going back and deleting the FreeBSD slice (was a FAT slice), then creating
it again caused auto-partitioning to work fine.  It sounds like the
change in slice type is not being propagated properly to the partitioning
phase.  Also, it sounds like the debugging output from the partition
creation is a tad on the not-so-specific-side.

>How-To-Repeat:

Use Partition Magic, DOS Fdisk, or some other magic tool to create
two FAT partitions on a disk.  Then run the 4.2-RELEASE install floppies
and use T to change the first slice to a FreeBSD partition.  Then
continue to the FreeBSD partitioning screen, and hit A for automatic
partition creation.  The failure should occur.

>Fix:

Not attached.


>Release-Note:
>Audit-Trail:
>Unformatted:


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