Date: Sat, 26 Jun 2010 04:41:32 -0700 From: David Wolfskill <david@catwhisker.org> To: Daniel Braniss <danny@cs.huji.ac.il> Cc: "Andrey V. Elsukov" <bu7cher@yandex.ru>, freebsd-current@freebsd.org, brucec@freebsd.org Subject: Re: Use of boot0cfg to set boot slice broke between r209459 and r209502 Message-ID: <20100626114132.GG90096@albert.catwhisker.org> In-Reply-To: <E1OSRPd-000Kma-ER@kabab.cs.huji.ac.il> References: <20100625114011.GO90096@albert.catwhisker.org> <201006250837.36220.jhb@freebsd.org> <20100625180130.GV90096@albert.catwhisker.org> <E1OSRPd-000Kma-ER@kabab.cs.huji.ac.il>
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On Sat, Jun 26, 2010 at 12:10:57PM +0300, Daniel Braniss wrote:
> ...
> what do you see when you type boot0cfg -v ...?
> gpart show?
> then try=20
> gpart set -a active -i n aacd0
> n will probably be 5.
>=20
> bottom line, the MBR is NOT being updated by boot0cfg
OK; here's what I see -- note that the /S1/usr/sbin/boot0cfg executable
is the one I built yesterday without the 2 lines from r209469:
freebeast(9.0-C)[2] uname -a
FreeBSD freebeast.catwhisker.org 9.0-CURRENT FreeBSD 9.0-CURRENT #200 r2095=
22: Fri Jun 25 06:11:00 PDT 2010 root@freebeast.catwhisker.org:/usr/obj=
/usr/src/sys/GENERIC i386
freebeast(9.0-C)[3] sudo boot0cfg -v aacd0; echo $?
Password:
# flag start chs type end chs offset size
1 0x00 0: 1: 1 0xa5 651:254:63 63 10474317
2 0x00 652: 0: 1 0xa5 1023:254:63 10474380 10474380
3 0x00 1023:255:63 0xa5 1023:254:63 20948760 10474380
4 0x80 1023:255:63 0xa5 1023:254:63 31423140 40194630
version=3D1.0 drive=3D0x80 mask=3D0xf ticks=3D182 bell=3D (0x7)
options=3Dpacket,update,nosetdrv
default_selection=3DF4 (Slice 4)
0
freebeast(9.0-C)[4] sudo boot0cfg -v -s 2 aacd0 ; echo $?
boot0cfg: write_mbr: /dev/aacd0: Operation not permitted
1
freebeast(9.0-C)[5] sudo boot0cfg -v aacd0 ; echo $?
# flag start chs type end chs offset size
1 0x00 0: 1: 1 0xa5 651:254:63 63 10474317
2 0x00 652: 0: 1 0xa5 1023:254:63 10474380 10474380
3 0x00 1023:255:63 0xa5 1023:254:63 20948760 10474380
4 0x80 1023:255:63 0xa5 1023:254:63 31423140 40194630
version=3D1.0 drive=3D0x80 mask=3D0xf ticks=3D182 bell=3D (0x7)
options=3Dpacket,update,nosetdrv
default_selection=3DF4 (Slice 4)
0
freebeast(9.0-C)[6] sudo /S1/usr/sbin/boot0cfg -v -s 2 aacd0 ; echo $?
# flag start chs type end chs offset size
1 0x00 0: 1: 1 0xa5 651:254:63 63 10474317
2 0x00 652: 0: 1 0xa5 1023:254:63 10474380 10474380
3 0x00 1023:255:63 0xa5 1023:254:63 20948760 10474380
4 0x80 1023:255:63 0xa5 1023:254:63 31423140 40194630
version=3D1.0 drive=3D0x80 mask=3D0xf ticks=3D182 bell=3D (0x7)
options=3Dpacket,update,nosetdrv
default_selection=3DF2 (Slice 2)
0
freebeast(9.0-C)[7] sudo boot0cfg -v aacd0 ; echo $?
# flag start chs type end chs offset size
1 0x00 0: 1: 1 0xa5 651:254:63 63 10474317
2 0x00 652: 0: 1 0xa5 1023:254:63 10474380 10474380
3 0x00 1023:255:63 0xa5 1023:254:63 20948760 10474380
4 0x80 1023:255:63 0xa5 1023:254:63 31423140 40194630
version=3D1.0 drive=3D0x80 mask=3D0xf ticks=3D182 bell=3D (0x7)
options=3Dpacket,update,nosetdrv
default_selection=3DF2 (Slice 2)
0
freebeast(9.0-C)[8] sudo gpart show
=3D> 63 71619471 aacd0 MBR (34G)
63 10474317 1 freebsd (5.0G)
10474380 10474380 2 freebsd (5.0G)
20948760 10474380 3 freebsd (5.0G)
31423140 40194630 4 freebsd [active] (19G)
71617770 1764 - free - (882K)
=3D> 63 143306919 aacd1 MBR (68G)
63 143299737 1 freebsd [active] (68G)
143299800 7182 - free - (3.5M)
=3D> 0 10474317 aacd0s1 BSD (5.0G)
0 3072000 1 freebsd-ufs (1.5G)
3072000 7402317 4 freebsd-ufs (3.5G)
=3D> 0 10474380 aacd0s2 BSD (5.0G)
0 3072000 1 freebsd-ufs (1.5G)
3072000 7402380 4 freebsd-ufs (3.5G)
=3D> 0 10474380 aacd0s3 BSD (5.0G)
0 3072000 1 freebsd-ufs (1.5G)
3072000 7402380 4 freebsd-ufs (3.5G)
=3D> 0 40194630 aacd0s4 BSD (19G)
0 3072000 1 freebsd-ufs (1.5G)
3072000 20971520 2 freebsd-swap (10G)
24043520 7401472 4 freebsd-ufs (3.5G)
31444992 8749638 6 freebsd-ufs (4.2G)
=3D> 0 143299737 aacd1s1 BSD (68G)
0 20971520 2 freebsd-swap (10G)
20971520 67108864 4 freebsd-ufs (32G)
88080384 55219353 5 freebsd-ufs (26G)
freebeast(9.0-C)[9]=20
Peace,
david
--=20
David H. Wolfskill david@catwhisker.org
Depriving a girl or boy of an opportunity for education is evil.
See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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