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bug#22967: parted 3.2 fails to read MBR partition table where parted 2.3
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From: |
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Subject: |
bug#22967: parted 3.2 fails to read MBR partition table where parted 2.3 was ok |
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Date: |
Wed, 9 Mar 2016 22:33:16 +0000 |
Hello, (sorry if duplicate, but my previous send doesn't seem to appear
on the mailing list !)
I got a problem here with my MBR partition table and parted 3.2 which
only detects a "loop" partition table while 2.3 is ok.
----------------------------------------------------
Things are working perfectly with parted 2.3:
GNU Parted 2.3
Using /dev/sda
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) print
Model: ATA SAMSUNG HD160JJ (scsi)
Disk /dev/sda: 160GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Number Start End Size Type File system Flags
1 32.3kB 41.1MB 41.1MB primary fat32 hidden
2 41.1MB 51.6GB 51.5GB primary ntfs boot
3 51.6GB 72.9GB 21.3GB primary ntfs hidden
4 72.9GB 160GB 87.1GB extended lba
5 101GB 105GB 4294MB logical ntfs
6 105GB 131GB 25.2GB logical ntfs
7 131GB 156GB 25.2GB logical ntfs
8 156GB 160GB 4345MB logical ntfs
Or the same with "parted /dev/sda unit s print":
Model: ATA SAMSUNG HD160JJ (scsi)
Disk /dev/sda: 312581808s
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Number Start End Size Type File system Flags
1 63s 80324s 80262s primary fat32 hidden
2 80325s 100743614s 100663290s primary ntfs boot
3 100743615s 142400159s 41656545s primary ntfs hidden
4 142400160s 312580095s 170179936s extended lba
5 197243552s 205630014s 8386463s logical ntfs
6 205632063s 254935484s 49303422s logical ntfs
7 254935548s 304094384s 49158837s logical ntfs
8 304094448s 312580095s 8485648s logical ntfs
----------------------------------------------------
However, parted 3.2 does not read the partition table properly anymore
and goes in "loop" mode:
GNU Parted 3.2
Using /dev/sda
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) print
Model: ATA SAMSUNG HD160JJ (scsi)
Disk /dev/sda: 160GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags:
Number Start End Size File system Flags
1 0.00B 160GB 160GB fat32
Or the same with "parted /dev/sda unit s print":
Model: ATA SAMSUNG HD160JJ (scsi)
Disk /dev/sda: 312581808s
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags:
Number Start End Size File system Flags
1 0s 312581807s 312581808s fat32
----------------------------------------------------
Note: I am using the GParted Live CD's, booting them, so I have no way
to test any version of parted other than the ones on these CD's, which
are 2.3 and 3.2 to date.
----------------------------------------------------
Besides that, lsblk, fdisk, cfdisk, fsdisk all work perfectly:
address@hidden:~# lsblk -o name,maj:min,rm,size,ro,type,fstype,label,mountpoint
NAME MAJ:MIN RM SIZE RO TYPE FSTYPE LABEL
MOUNTPOINT
sda 8:0 0 149.1G 0 disk
├─sda1 8:1 0 39.2M 0 part vfat DOSGUB4DOS
├─sda2 8:2 0 48G 0 part ntfs WIN7
├─sda3 8:3 0 19.9G 0 part ntfs
├─sda4 8:4 0 1K 0 part
├─sda5 8:5 0 4G 0 part ntfs SWAP_XP
├─sda6 8:6 0 23.5G 0 part ntfs WINAPP_XP
├─sda7 8:7 0 23.5G 0 part ntfs WINAPP_W7
└─sda8 8:8 0 4G 0 part ntfs SWAP_W7
sdb 8:16 0 698.7G 0 disk nvidia_raid_member
├─sdb2 8:18 0 1K 0 part
├─sdb5 8:21 0 29.5G 0 part ntfs DATA
├─sdb6 8:22 0 98.3G 0 part ntfs CD_IMAGE
├─sdb7 8:23 0 1G 0 part vfat DOS_APPS
├─sdb8 8:24 0 343.6G 0 part ntfs SAVE
├─sdb9 8:25 0 49.3G 0 part ntfs VIRTUAL
└─nvidia_deicejfc (dm-0) 254:0 0 698.7G 0 dmraid
├─nvidia_deicejfc5 (dm-1) 254:1 0 29.5G 0 dmraid ntfs DATA
├─nvidia_deicejfc6 (dm-2) 254:2 0 98.3G 0 dmraid ntfs CD_IMAGE
├─nvidia_deicejfc7 (dm-3) 254:3 0 1G 0 dmraid vfat
DOS_APPS /mnt/dm3
├─nvidia_deicejfc8 (dm-4) 254:4 0 343.6G 0 dmraid ntfs SAVE
└─nvidia_deicejfc9 (dm-5) 254:5 0 49.3G 0 dmraid ntfs VIRTUAL
sdc 8:32 0 698.7G 0 disk nvidia_raid_member
├─sdc2 8:34 0 1K 0 part
├─sdc5 8:37 0 29.5G 0 part ntfs DATA
├─sdc6 8:38 0 98.3G 0 part ntfs CD_IMAGE
├─sdc7 8:39 0 1G 0 part vfat DOS_APPS
├─sdc8 8:40 0 343.6G 0 part ntfs SAVE
├─sdc9 8:41 0 49.3G 0 part ntfs VIRTUAL
└─nvidia_deicejfc (dm-0) 254:0 0 698.7G 0 dmraid
├─nvidia_deicejfc5 (dm-1) 254:1 0 29.5G 0 dmraid ntfs DATA
├─nvidia_deicejfc6 (dm-2) 254:2 0 98.3G 0 dmraid ntfs CD_IMAGE
├─nvidia_deicejfc7 (dm-3) 254:3 0 1G 0 dmraid vfat
DOS_APPS /mnt/dm3
├─nvidia_deicejfc8 (dm-4) 254:4 0 343.6G 0 dmraid ntfs SAVE
└─nvidia_deicejfc9 (dm-5) 254:5 0 49.3G 0 dmraid ntfs VIRTUAL
sr0 11:0 1 1024M 0 rom
sr1 11:1 1 195M 0 rom udf
GParted-live /lib/live/mount/medium
loop0 7:0 0 164.1M 1 loop squashfs
/lib/live/mount/rootfs/filesystem.squashfs
============================================
address@hidden:~# fdisk -l -u /dev/sda
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders, total 312581808 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x165e165e
Device Boot Start End Blocks Id System
/dev/sda1 63 80324 40131 1b Hidden W95 FAT32
/dev/sda2 * 80325 100743614 50331645 7 HPFS/NTFS/exFAT
/dev/sda3 100743615 142400159 20828272+ 17 Hidden HPFS/NTFS
/dev/sda4 142400160 312580095 85089968 f W95 Ext'd (LBA)
/dev/sda5 197243552 205630014 4193231+ 7 HPFS/NTFS/exFAT
/dev/sda6 205632063 254935484 24651711 7 HPFS/NTFS/exFAT
/dev/sda7 254935548 304094384 24579418+ 7 HPFS/NTFS/exFAT
/dev/sda8 304094448 312580095 4242824 7 HPFS/NTFS/exFAT
============================================
sfdisk is ok also:
address@hidden:~# sfdisk -l -u s /dev/sda
unrecognized format - using sectors
Disk /dev/sda: 19457 cylinders, 255 heads, 63 sectors/track
Units = sectors of 512 bytes, counting from 0
Device Boot Start End #sectors Id System
/dev/sda1 63 80324 80262 1b Hidden W95 FAT32
/dev/sda2 * 80325 100743614 100663290 7 HPFS/NTFS/exFAT
/dev/sda3 100743615 142400159 41656545 17 Hidden HPFS/NTFS
/dev/sda4 142400160 312580095 170179936 f W95 Ext'd (LBA)
/dev/sda5 197243552 205630014 8386463 7 HPFS/NTFS/exFAT
/dev/sda6 205632063 254935484 49303422 7 HPFS/NTFS/exFAT
/dev/sda7 254935548 304094384 49158837 7 HPFS/NTFS/exFAT
/dev/sda8 304094448 312580095 8485648 7 HPFS/NTFS/exFAT
address@hidden:~# sfdisk -l -u S -x /dev/sda
Disk /dev/sda: 19457 cylinders, 255 heads, 63 sectors/track
Units = sectors of 512 bytes, counting from 0
Device Boot Start End #sectors Id System
/dev/sda1 63 80324 80262 1b Hidden W95 FAT32
/dev/sda2 * 80325 100743614 100663290 7 HPFS/NTFS/exFAT
/dev/sda3 100743615 142400159 41656545 17 Hidden HPFS/NTFS
/dev/sda4 142400160 312580095 170179936 f W95 Ext'd (LBA)
/dev/sda5 197243552 205630014 8386463 7 HPFS/NTFS/exFAT
- 205632000 254935484 49303485 5 Extended
- 142400160 142400159 0 0 Empty
- 142400160 142400159 0 0 Empty
/dev/sda6 205632063 254935484 49303422 7 HPFS/NTFS/exFAT
- 254935485 304094384 49158900 5 Extended
- 205632000 205631999 0 0 Empty
- 205632000 205631999 0 0 Empty
/dev/sda7 254935548 304094384 49158837 7 HPFS/NTFS/exFAT
- 304094385 312580095 8485711 5 Extended
- 254935485 254935484 0 0 Empty
- 254935485 254935484 0 0 Empty
/dev/sda8 304094448 312580095 8485648 7 HPFS/NTFS/exFAT
- 304094385 304094384 0 0 Empty
- 304094385 304094384 0 0 Empty
- 304094385 304094384 0 0 Empty
address@hidden:~# sfdisk -V /dev/sda
Warning: partition 4 does not end at a cylinder boundary
Warning: partition 5 does not start at a cylinder boundary
Warning: partition 5 does not end at a cylinder boundary
Warning: partition [8] does not end at a cylinder boundary
Warning: partition 8 does not end at a cylinder boundary
/dev/sda: OK
============================================
I suspect the problem is with my MBR contents ...It has Grub4dos in
there, to multiboot between my DOS, XP and Win7 partitions.
Problem is happening whether it is version 0.4.5c o 0.4.6a.
In case that can help, here is the contents of my /dev/sda MBR
address@hidden:~# dd if=/dev/sdc bs=512 count=1 | hexdump -C
1+0 records in
1+0 records out
512 bytes copied, 0.000732162 s, 699 kB/s
00000000 eb 5e 80 00 20 39 ff ff 00 00 00 00 02 01 63 00 |.^..
9........c.|
00000010 02 00 00 00 00 f8 00 00 3f 00 ff 00 00 00 00 00
|........?.......|
00000020 c5 39 01 00 6a 02 00 00 00 00 00 00 02 00 00 00
|.9..j...........|
00000030 01 00 06 00 00 00 00 00 00 00 00 00 00 00 00 00
|................|
00000040 80 00 29 7b 3c d6 9c 4e 4f 20 4e 41 4d 45 20 20 |..){<..NO
NAME |
00000050 20 20 46 41 54 33 32 20 20 20 00 00 00 00 00 00 | FAT32 ......|
00000060 fa 31 db 8e d3 bc 80 05 e8 00 00 5b 81 eb 6b 00
|.1.........[..k.|
00000070 c1 eb 04 8c c8 01 c3 8e db 53 6a 7d cb 68 00 20
|.........Sj}.h. |
00000080 17 bc 00 90 fb 16 07 b9 12 00 b8 01 02 89 cb 4b
|...............K|
00000090 c1 e3 09 ba 80 00 51 53 e8 a4 00 5b 59 72 04 e2
|......QS...[Yr..|
000000a0 e9 f6 dc 0e 1f 9c 31 f6 31 ff b9 df 00 fc f3 a5
|......1.1.......|
000000b0 bb fc 1f 66 b8 05 4d cb 93 66 39 07 75 03 e8 39
|...f..M..f9.u..9|
000000c0 1c ea c6 00 00 20 16 1f 66 39 07 74 28 66 60 bf |.....
..f9.t(f`.|
000000d0 03 00 b8 11 02 99 bb 00 02 b9 02 00 e8 80 00 73
|...............s|
000000e0 02 75 ef 66 61 66 39 07 75 4d c7 06 06 00 00 ff
|.u.faf9.uM......|
000000f0 80 26 02 00 fe 9d 72 33 0e 1f ad 88 e6 ad 89 c1
|.&....r3........|
00000100 24 3f 74 14 b0 01 bf 03 00 b4 02 68 00 0d 07 31
|$?t........h...1|
00000110 db e8 4b 00 73 03 75 f1 f9 e8 5c 11 0f 87 f3 1b
|..K.s.u...\.....|
00000120 83 c6 0c 81 fe fe 01 72 cf 77 0c be b2 31 b0 04
|.......r.w...1..|
00000130 b9 01 00 31 d2 eb cf be 91 01 e8 4d 00 eb fe 1e
|...1.......M....|
00000140 06 52 56 57 55 f9 cd 13 5d 5f 5e 5a 07 1f c3 fa
|.RVWU...]_^Z....|
00000150 b8 00 20 8e d0 bc dc 8f fb 66 61 07 1f eb c1 60 |..
......fa....`|
00000160 50 53 51 fe c8 00 c1 d0 e0 00 c7 b0 01 e8 cf ff
|PSQ.............|
00000170 59 5b 58 72 04 fe c8 75 e7 61 73 09 60 31 c0 e8
|Y[Xr...u.as.`1..|
00000180 bd ff 61 4f f9 c3 b4 0e cd 10 2e ac 3c 00 75 f6
|..aO........<.u.|
00000190 c3 0d 0a 4d 69 73 73 69 6e 67 20 4d 42 52 2d 68 |...Missing
MBR-h|
000001a0 65 6c 70 65 72 2e 00 00 00 00 00 00 00 00 00 00
|elper...........|
000001b0 00 00 00 00 00 00 00 00 5e 16 5e 16 00 00 00 01
|........^.^.....|
000001c0 01 00 1b fe 3f 04 3f 00 00 00 86 39 01 00 80 00
|....?.?....9....|
000001d0 01 05 07 fe ff ff c5 39 01 00 fa ff ff 05 00 fe
|.......9........|
000001e0 ff ff 17 fe ff ff bf 39 01 06 e1 a0 7b 02 00 fe
|.......9....{...|
000001f0 ff ff 0f fe ff ff a0 da 7c 08 60 bd 24 0a 55 aa
|........|.`.$.U.|
00000200
----------------------------------------------------
So I am at a loss .. what is going wrong which makes parted 3.2 not
interpret my partition table correctly, while parted 2.3 is ok ?
How should I correct things ? (or is there a bug in parted 3.2 ??)
Thank you in advance for any feedback .. or ready to provide more if you
suspect a problem in parted 3.2.
Thanks, and best regards, Erwin9
- bug#22967: parted 3.2 fails to read MBR partition table where parted 2.3 was ok,
a <=