esigma
May 18th, 2011, 01:47 PM
Hi
Iam a newbie and I have installed ubuntu 11.04 inside Windows(Wubi).But when I boot into ubuntu I get an error message "no root file system is defined".
I have gone through this forum and found a similar thread at
http://ubuntuforums.org/showthread.php?t=1743189&highlight=no+root+filesystem+specified
I understand that different problem may have same symptoms and so Im not trying the fix given there.But I have run boot info script as per the suggestion of srs5694 and here is the result text file
Boot Info Script 0.60 from 17 May 2011
============================= Boot Info Summary: ===============================
=> Windows is installed in the MBR of /dev/sda.
sda1: __________________________________________________ ________________________
File system: vfat
Boot sector type: FAT32
Boot sector info: According to the info in the boot sector, sda1 starts
at sector 0. But according to the info from fdisk,
sda1 starts at sector 2048.
Operating System:
Boot files:
sda2: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows XP
Boot sector info: According to the info in the boot sector, sda2 starts
at sector 63. But according to the info from fdisk,
sda2 starts at sector 52098858.
Operating System:
Boot files: /menu.lst /ubuntu/winboot/wubildr
/ubuntu/winboot/wubildr.mbr /ubuntu/disks/root.disk
/ubuntu/disks/swap.disk
sda2/Wubi: __________________________________________________ ___________________
File system:
Boot sector type: Unknown
Boot sector info:
Mounting failed: mount: unknown filesystem type ''
sda3: __________________________________________________ ________________________
File system: Extended Partition
Boot sector type: Unknown
Boot sector info:
sda4: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows Vista/7
Boot sector info: No errors found in the Boot Parameter Block.
============================ Drive/Partition Info: =============================
Drive: sda __________________________________________________ ___________________
Disk /dev/sda: 80.0 GB, 80026361856 bytes
16 heads, 4 sectors/track, 2442210 cylinders, total 156301488 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sda1 2,048 52,097,023 52,094,976 7 NTFS / exFAT / HPFS
/dev/sda2 52,098,858 110,077,379 57,978,522 7 NTFS / exFAT / HPFS
/dev/sda3 63,215,775 109,431,514 46,215,740 5 Extended
Empty Partition.
/dev/sda4 * 110,077,952 156,299,263 46,221,312 7 NTFS / exFAT / HPFS
/dev/sda2 overlaps with /dev/sda3
"blkid" output: __________________________________________________ ______________
Device UUID TYPE LABEL
/dev/loop0 squashfs
/dev/sda1 8906-6DB8 vfat Ubuntu
/dev/sda2 3830E1DA30E19EDE ntfs
/dev/sda4 3210CAFD10CAC6D7 ntfs
================================ Mount points: =================================
Device Mount_Point Type Options
/dev/loop0 /rofs squashfs (ro,noatime)
/dev/sda4 /media/3210CAFD10CAC6D7 fuseblk (rw,nosuid,nodev,allow_other,blksize=4096,default_ permissions)
/dev/sr0 /cdrom iso9660 (ro,noatime)
================================ sda2/menu.lst: ================================
--------------------------------------------------------------------------------
default 0
hiddenmenu
map --mem /WOW7.IMG (fd0)
map --hook
chainloader (fd0)+1
rootnoverify (fd0)
--------------------------------------------------------------------------------
=================== sda2: Location of files loaded by Grub: ====================
GiB - GB File Fragment(s)
?? = ?? menu.lst 0
========================== sda4/grldr embedded menu: ===========================
--------------------------------------------------------------------------------
======================== Unknown MBRs/Boot Sectors/etc: ========================
Unknown BootLoader on sda2/Wubi
00000000 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 |0000000000000000|
*
00000200
Unknown BootLoader on sda3
00000000 54 d3 b1 7a d4 44 1b 47 65 d6 5b cd ba 53 19 6d |T..z.D.Ge.[..S.m|
00000010 60 d6 40 d4 97 96 c0 f2 1a 61 99 1d 85 e1 c9 76 |`.@......a.....v|
00000020 7b f8 e4 4b 15 ae 0e 11 8a f2 91 a6 b7 d2 b4 2b |{..K...........+|
00000030 79 ac d2 2f 67 79 79 20 97 1f d3 b9 a5 32 29 50 |y../gyy .....2)P|
00000040 90 22 d9 03 80 32 59 bd fb 1a ea ac b3 c3 80 fe |."...2Y.........|
00000050 54 7f b7 2e 1d 32 7a 5c 94 fb bb 5d 91 c3 8c 5f |T....2z\...]..._|
00000060 92 a1 21 9e 4e 2c 8f 6b 43 90 98 6c 3d 06 cf 9d |..!.N,.kC..l=...|
00000070 be 4c e7 3a 79 3d 3a 90 53 27 95 ec 1d 28 fc 9a |.L.:y=:.S'...(..|
00000080 e4 97 34 78 19 68 90 a1 06 b9 54 20 be 9a 06 8d |..4x.h....T ....|
00000090 26 dc 6a 80 12 14 a8 9a 38 73 ed 6a 0e 14 ae e5 |&.j.....8s.j....|
000000a0 c0 49 5a 32 4e ad bd 27 35 f3 7e d0 48 3a 67 1a |.IZ2N..'5.~.H:g.|
000000b0 c5 90 6c 3d 76 f3 72 ef 6b f0 0a e8 f5 34 b6 f6 |..l=v.r.k....4..|
000000c0 01 dd ee 8a 72 55 6c 97 37 14 11 05 d2 1b c7 ea |....rUl.7.......|
000000d0 68 cc b9 a4 02 65 32 47 f5 19 c1 5b d6 48 f8 1f |h....e2G...[.H..|
000000e0 9b 7b ae d8 ff 2b f9 5d bd 73 6e ea b0 bc 59 56 |.{...+.].sn...YV|
000000f0 3e f1 43 5f 39 95 5a aa 9e 19 ae 2b f5 cb 43 71 |>.C_9.Z....+..Cq|
00000100 bb 2c f7 43 97 05 d5 cc a8 07 b3 ce 1d f2 ac 14 |.,.C............|
00000110 63 31 7d d2 03 92 1b 46 a5 6f 81 8e 68 e5 09 1f |c1}....F.o..h...|
00000120 9d cf 36 59 17 0f 64 3d f3 bd bd 59 d2 66 9d 77 |..6Y..d=...Y.f.w|
00000130 ee f5 b2 6e 3d 1f 83 c6 df 2d 0f fb a9 ab 48 aa |...n=....-....H.|
00000140 52 7c 92 ac b8 fc 7c 77 b7 ba f3 84 ee 92 2b 94 |R|....|w......+.|
00000150 cc 28 bc 72 04 d4 e3 3e 73 66 a5 ec f9 2c e1 83 |.(.r...>sf...,..|
00000160 62 ce 77 df 89 cf 72 d0 ed 1b 11 32 f2 5e 0a 17 |b.w...r....2.^..|
00000170 9a 7e df fb 70 f2 a8 0c 51 13 36 73 0f 66 ff fd |.~..p...Q.6s.f..|
00000180 a1 fa 90 7a ef 0e 9f ff 41 56 39 f9 70 f0 4d 1e |...z....AV9.p.M.|
00000190 0e 27 07 ff 51 01 e0 68 ac 75 db 44 4f d1 52 5a |.'..Q..h.u.DO.RZ|
000001a0 0f 00 d0 88 1a d5 06 cd 98 bf f2 bb 2e f7 fb bc |................|
000001b0 b8 2e 0b 54 f8 cd e7 62 f5 af 32 1f 63 c9 00 00 |...T...b..2.c...|
000001c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.|
00000200
=============================== StdErr Messages: ===============================
loop: can't delete device /dev/loop1: Device or resource busy
umount: /media/3830E1DA30E19EDE: device is busy.
(In some cases useful info about processes that use
the device is found by lsof(8) or fuser(1))
/home/ubuntu/Desktop/boot_info_script.sh: line 1888: ( / 2 ) + 16 : syntax error: operand expected (error token is "/ 2 ) + 16 ")Please help me.
Iam a newbie and I have installed ubuntu 11.04 inside Windows(Wubi).But when I boot into ubuntu I get an error message "no root file system is defined".
I have gone through this forum and found a similar thread at
http://ubuntuforums.org/showthread.php?t=1743189&highlight=no+root+filesystem+specified
I understand that different problem may have same symptoms and so Im not trying the fix given there.But I have run boot info script as per the suggestion of srs5694 and here is the result text file
Boot Info Script 0.60 from 17 May 2011
============================= Boot Info Summary: ===============================
=> Windows is installed in the MBR of /dev/sda.
sda1: __________________________________________________ ________________________
File system: vfat
Boot sector type: FAT32
Boot sector info: According to the info in the boot sector, sda1 starts
at sector 0. But according to the info from fdisk,
sda1 starts at sector 2048.
Operating System:
Boot files:
sda2: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows XP
Boot sector info: According to the info in the boot sector, sda2 starts
at sector 63. But according to the info from fdisk,
sda2 starts at sector 52098858.
Operating System:
Boot files: /menu.lst /ubuntu/winboot/wubildr
/ubuntu/winboot/wubildr.mbr /ubuntu/disks/root.disk
/ubuntu/disks/swap.disk
sda2/Wubi: __________________________________________________ ___________________
File system:
Boot sector type: Unknown
Boot sector info:
Mounting failed: mount: unknown filesystem type ''
sda3: __________________________________________________ ________________________
File system: Extended Partition
Boot sector type: Unknown
Boot sector info:
sda4: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows Vista/7
Boot sector info: No errors found in the Boot Parameter Block.
============================ Drive/Partition Info: =============================
Drive: sda __________________________________________________ ___________________
Disk /dev/sda: 80.0 GB, 80026361856 bytes
16 heads, 4 sectors/track, 2442210 cylinders, total 156301488 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sda1 2,048 52,097,023 52,094,976 7 NTFS / exFAT / HPFS
/dev/sda2 52,098,858 110,077,379 57,978,522 7 NTFS / exFAT / HPFS
/dev/sda3 63,215,775 109,431,514 46,215,740 5 Extended
Empty Partition.
/dev/sda4 * 110,077,952 156,299,263 46,221,312 7 NTFS / exFAT / HPFS
/dev/sda2 overlaps with /dev/sda3
"blkid" output: __________________________________________________ ______________
Device UUID TYPE LABEL
/dev/loop0 squashfs
/dev/sda1 8906-6DB8 vfat Ubuntu
/dev/sda2 3830E1DA30E19EDE ntfs
/dev/sda4 3210CAFD10CAC6D7 ntfs
================================ Mount points: =================================
Device Mount_Point Type Options
/dev/loop0 /rofs squashfs (ro,noatime)
/dev/sda4 /media/3210CAFD10CAC6D7 fuseblk (rw,nosuid,nodev,allow_other,blksize=4096,default_ permissions)
/dev/sr0 /cdrom iso9660 (ro,noatime)
================================ sda2/menu.lst: ================================
--------------------------------------------------------------------------------
default 0
hiddenmenu
map --mem /WOW7.IMG (fd0)
map --hook
chainloader (fd0)+1
rootnoverify (fd0)
--------------------------------------------------------------------------------
=================== sda2: Location of files loaded by Grub: ====================
GiB - GB File Fragment(s)
?? = ?? menu.lst 0
========================== sda4/grldr embedded menu: ===========================
--------------------------------------------------------------------------------
======================== Unknown MBRs/Boot Sectors/etc: ========================
Unknown BootLoader on sda2/Wubi
00000000 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 |0000000000000000|
*
00000200
Unknown BootLoader on sda3
00000000 54 d3 b1 7a d4 44 1b 47 65 d6 5b cd ba 53 19 6d |T..z.D.Ge.[..S.m|
00000010 60 d6 40 d4 97 96 c0 f2 1a 61 99 1d 85 e1 c9 76 |`.@......a.....v|
00000020 7b f8 e4 4b 15 ae 0e 11 8a f2 91 a6 b7 d2 b4 2b |{..K...........+|
00000030 79 ac d2 2f 67 79 79 20 97 1f d3 b9 a5 32 29 50 |y../gyy .....2)P|
00000040 90 22 d9 03 80 32 59 bd fb 1a ea ac b3 c3 80 fe |."...2Y.........|
00000050 54 7f b7 2e 1d 32 7a 5c 94 fb bb 5d 91 c3 8c 5f |T....2z\...]..._|
00000060 92 a1 21 9e 4e 2c 8f 6b 43 90 98 6c 3d 06 cf 9d |..!.N,.kC..l=...|
00000070 be 4c e7 3a 79 3d 3a 90 53 27 95 ec 1d 28 fc 9a |.L.:y=:.S'...(..|
00000080 e4 97 34 78 19 68 90 a1 06 b9 54 20 be 9a 06 8d |..4x.h....T ....|
00000090 26 dc 6a 80 12 14 a8 9a 38 73 ed 6a 0e 14 ae e5 |&.j.....8s.j....|
000000a0 c0 49 5a 32 4e ad bd 27 35 f3 7e d0 48 3a 67 1a |.IZ2N..'5.~.H:g.|
000000b0 c5 90 6c 3d 76 f3 72 ef 6b f0 0a e8 f5 34 b6 f6 |..l=v.r.k....4..|
000000c0 01 dd ee 8a 72 55 6c 97 37 14 11 05 d2 1b c7 ea |....rUl.7.......|
000000d0 68 cc b9 a4 02 65 32 47 f5 19 c1 5b d6 48 f8 1f |h....e2G...[.H..|
000000e0 9b 7b ae d8 ff 2b f9 5d bd 73 6e ea b0 bc 59 56 |.{...+.].sn...YV|
000000f0 3e f1 43 5f 39 95 5a aa 9e 19 ae 2b f5 cb 43 71 |>.C_9.Z....+..Cq|
00000100 bb 2c f7 43 97 05 d5 cc a8 07 b3 ce 1d f2 ac 14 |.,.C............|
00000110 63 31 7d d2 03 92 1b 46 a5 6f 81 8e 68 e5 09 1f |c1}....F.o..h...|
00000120 9d cf 36 59 17 0f 64 3d f3 bd bd 59 d2 66 9d 77 |..6Y..d=...Y.f.w|
00000130 ee f5 b2 6e 3d 1f 83 c6 df 2d 0f fb a9 ab 48 aa |...n=....-....H.|
00000140 52 7c 92 ac b8 fc 7c 77 b7 ba f3 84 ee 92 2b 94 |R|....|w......+.|
00000150 cc 28 bc 72 04 d4 e3 3e 73 66 a5 ec f9 2c e1 83 |.(.r...>sf...,..|
00000160 62 ce 77 df 89 cf 72 d0 ed 1b 11 32 f2 5e 0a 17 |b.w...r....2.^..|
00000170 9a 7e df fb 70 f2 a8 0c 51 13 36 73 0f 66 ff fd |.~..p...Q.6s.f..|
00000180 a1 fa 90 7a ef 0e 9f ff 41 56 39 f9 70 f0 4d 1e |...z....AV9.p.M.|
00000190 0e 27 07 ff 51 01 e0 68 ac 75 db 44 4f d1 52 5a |.'..Q..h.u.DO.RZ|
000001a0 0f 00 d0 88 1a d5 06 cd 98 bf f2 bb 2e f7 fb bc |................|
000001b0 b8 2e 0b 54 f8 cd e7 62 f5 af 32 1f 63 c9 00 00 |...T...b..2.c...|
000001c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.|
00000200
=============================== StdErr Messages: ===============================
loop: can't delete device /dev/loop1: Device or resource busy
umount: /media/3830E1DA30E19EDE: device is busy.
(In some cases useful info about processes that use
the device is found by lsof(8) or fuser(1))
/home/ubuntu/Desktop/boot_info_script.sh: line 1888: ( / 2 ) + 16 : syntax error: operand expected (error token is "/ 2 ) + 16 ")Please help me.