Date: Mon, 06 Oct 2003 21:05:37 +0200 From: Guy Van Sanden <guy.van.sanden@pandora.be> To: FreeBSD-gnats-submit@FreeBSD.org Subject: i386/57673: Odd/dangerous disklabel behaviour on 5.0 and 5.1-CURRENT Message-ID: <1065467137.3067.7.camel@cronos.home.vsb> Resent-Message-ID: <200310061910.h96JAH4U075378@freefall.freebsd.org>
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>Number: 57673
>Category: i386
>Synopsis: Odd/dangerous disklabel behaviour on 5.0 and 5.1-CURRENT
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-i386
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Oct 06 12:10:17 PDT 2003
>Closed-Date:
>Last-Modified:
>Originator: Guy Van Sanden
>Release: FreeBSD 5.1-RELEASE i386
>Organization:
>Environment:
System: FreeBSD nemesis.home.vsb 5.1-RELEASE FreeBSD 5.1-RELEASE #0: Thu Jun 5 02:55:42 GMT 2003 ro
ot@wv1u.btc.adaptec.com:/usr/obj/usr/src/sys/GENERIC i386
<machine, os, target, libraries (multiple lines)>
>Description:
Disklabel ignores the first 63 sectors of my Harddisk (I've seen this problem on the mailing list before)
[root@nemesis mail]# disklabel -r /dev/ad0s1a
# /dev/ad0s1a:
8 partitions:
# size offset fstype [fsize bsize bps/cpg]
a: 1228800 63 4.2BSD 2048 16384 11272
b: 1006432 1228863 swap
c: 78165297 63 unused 0 0 # "raw" part, don't edit
d: 1024000 2235295 4.2BSD 2048 16384 64008
e: 921600 3259295 4.2BSD 2048 16384 57608
f: 20971520 4180895 4.2BSD 2048 16384 28552
g: 53012945 25152415 4.2BSD 2048 16384 28552
partition a: partition extends past end of unit
partition b: offset past end of unit
partition b: partition extends past end of unit
partition c: partition extends past end of unit
disklabel: partition c doesn't start at 0!
disklabel: partition c doesn't cover the whole unit!
disklabel: An incorrect partition c may cause problems for standard system utilities
partition d: offset past end of unit
partition d: partition extends past end of unit
partition e: offset past end of unit
partition e: partition extends past end of unit
partition f: offset past end of unit
partition f: partition extends past end of unit
partition g: offset past end of unit
partition g: partition extends past end of unit
The slices were created by sysinstall itself.
This problem is reproducable between 5.0 and 5.1
The system is a Digital PC3500 (PII 333) with two 40 GB drives.
The primary drive is WDC WD-400EB, the second is IBM IC35L040A
This system used to run FreeBSD 4.6.2 without this problem.
>How-To-Repeat:
No idea if this would affect other machines.
>Fix:
unknown
>Release-Note:
>Audit-Trail:
>Unformatted:
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