Bug#530357: search for UUID fails with dedicated /boot filesystem on disk larger than what BIOS sees
Arthur Marsh
arthur.marsh at internode.on.net
Tue Jun 16 09:50:37 UTC 2009
To try to identify the problem I had with "error: no such device:
bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea", I removed all but the boot disk
and edited the boot entry for Linux on my ext3 /boot filesystem when
GRUB started:
menuentry "Debian GNU/Linux, Linux 2.6.30" {
set root=(hd0,1)
search --no-floppy --fs-uuid --set
bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
linux /vmlinuz-2.6.30 root=/dev/hda7 ro
initrd /initrd.img-2.6.30
}
to include:
SET DEBUG=PARTITION
before the "search" line.
fdisk reports the following:
fdisk -l /dev/hda
GNU Fdisk 1.2.2
Copyright (C) 1998 - 2006 Free Software Foundation, Inc.
This program is free software, covered by the GNU General Public License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
Disk /dev/hda: 320 GB, 320070320640 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/hda1 * 1 1044 8385898 83 Linux
/dev/hda2 1045 38913 304174710 f Extended LBA
/dev/hda7 1045 34462 268422052 83 Linux
Warning: Partition 7 does not end on cylinder boundary.
/dev/hda6 34463 38639 33543720 1b Hidd FAT32
Warning: Partition 6 does not end on cylinder boundary.
/dev/hda5 38640 38913 2192872 82 Linux swap
Warning: Partition 5 does not end on cylinder boundary.
To help clarify what output I experienced from GRUB, I obtained a hex
dump using fdisk, with some interesting lines with "*" underneath them:
victoria:/home/amarsh04# fdisk -r /dev/hda
GNU Fdisk 1.2.2
Copyright (C) 1998 - 2006 Free Software Foundation, Inc.
This program is free software, covered by the GNU General Public License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
Device: /dev/hda
0x000: EB 4C 90 10 8E D0 BC 00 B0 B8 00 00 8E D8 8E C0
0x010: FB BE 00 7C BF 00 06 B9 00 02 F3 A4 EA 21 06 00
0x020: 00 BE BE 07 38 04 75 0B 83 C6 10 81 FE FE 07 75
0x030: F3 EB 16 B4 02 B0 01 BB 00 7C B2 80 8A 74 04 00
0x040: 00 80 00 08 01 00 00 00 00 00 00 00 FF FF FA EB
0x050: 07 F6 C2 80 75 02 B2 80 EA 5D 7C 00 00 31 C0 8E
0x060: D8 8E D0 BC 00 20 FB A1 4C 7C 88 E6 3C FF 74 02
0x070: 88 C2 52 BE 76 7D E8 25 01 BE 05 7C F6 C2 80 74
0x080: 48 B4 41 BB AA 55 CD 13 5A 52 72 3D 81 FB 55 AA
0x090: 75 37 83 E1 01 74 32 31 C0 89 44 04 40 88 44 FF
0x0A0: 89 44 02 C7 04 10 00 66 8B 1E 44 7C 66 89 5C 08
0x0B0: 66 8B 1E 48 7C 66 89 5C 0C C7 44 06 00 70 B4 42
0x0C0: CD 13 72 05 BB 00 70 EB 74 B4 08 CD 13 73 0A F6
0x0D0: C2 80 0F 84 ED 00 E9 85 00 66 0F B6 C6 88 64 FF
0x0E0: 40 66 89 44 04 0F B6 D1 C1 E2 02 88 E8 88 F4 40
0x0F0: 89 44 08 0F B6 C2 C0 E8 02 66 89 04 66 A1 48 7C
0x100: 66 09 C0 75 51 66 A1 44 7C 66 31 D2 66 F7 34 88
0x110: D1 31 D2 66 F7 74 04 3B 44 08 7D 3A FE C1 88 C5
0x120: 30 C0 C1 E8 02 08 C1 88 D0 5A 52 88 C6 BB 00 70
0x130: 8E C3 31 DB B8 01 02 CD 13 72 2B 8C C3 8E 06 42
0x140: 7C 60 1E B9 00 01 8E DB 31 F6 31 FF FC F3 A5 1F
0x150: 61 5A FF 26 40 7C BE 7C 7D E8 42 00 EB 0E BE 81
0x160: 7D E8 3A 00 EB 06 BE 8B 7D E8 32 00 BE 90 7D E8
0x170: 2C 00 CD 18 EB FE 47 52 55 42 20 00 47 65 6F 6D
0x180: 00 48 61 72 64 20 44 69 73 6B 00 52 65 61 64 00
0x190: 20 45 72 72 6F 72 00 BB 01 00 B4 0E CD 10 AC 3C
0x1A0: 00 75 F4 C3 00 00 00 00 00 00 00 00 00 00 00 00
0x1B0: 00 00 00 00 00 00 00 00 BF 50 07 00 00 00 80 01
*
0x1C0: 01 00 83 FE FF FF 3F 00 00 00 D5 EA FF 00 00 FE
*
0x1D0: FF FF 0F FE FF FF 14 EB FF 00 AD EB 42 24 00 00
*
0x1E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x1F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 AA
0x000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0A0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0B0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0C0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x1A0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x1B0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FE
0x1C0: FF FF 82 FE FF FF 3F 00 00 00 53 2A 43 00 00 00
0x1D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x1E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x1F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 AA
0x000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0A0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0B0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0C0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x1A0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x1B0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FE
0x1C0: FF FF 1B FE FF FF 3F 00 00 00 D2 EA FF 03 00 FE
0x1D0: FF FF 05 FE FF FF 01 00 00 00 09 D6 FF 1F 00 00
0x1E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x1F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 AA
0x000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0A0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0B0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0C0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x1A0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x1B0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FE
0x1C0: FF FF 83 FE FF FF 7D 00 00 00 8C D5 FF 1F 00 00
0x1D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x1E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x1F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 AA
GRUB 1.96+20090613-1 which I compiled from svn reported (what didn't
scroll by):
partmap/pc. 139
partition 0, flag 0x80, type 0x83, start 0x3f, len 0xffead5
partition 0, flag 0x80, type 0x83, start 0x3f, len 0xffead5
partition 0, flag 0x80, type 0x83, start 0x3f, len 0xffead5
partition 0, flag 0x80, type 0x83, start 0x3f, len 0xffead5
kern/partition.c 106 Detecting pc_partition_map...
pc.c 139
partition 0, flag 0x80, type 0x83, start 0x3f, len 0xffead5
partition.c 117 pc_partition_map detection succeeded
pc.c 139
partition 0, flag 0x80, type 0x83, start 0x3f, len 0xffead5
partition 1, flag 0, type 0xf, start 0xffeb14, len 0x2442ebad
partition 2, flag 0, type 0, start 0, len 0
partition 3, flag 0, type 0, start 0, len 0
error: no such device: bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
As usual, if I edited out the "search" line, I could boot normally.
Regards,
Arthur.
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