Thread: Unable to boot into ubuntu 10.10

i unable boot ubuntu 10.10 of sudden, please find results attached below

code:

                  boot info script 0.60    17 may 2011   ============================= boot info summary: ===============================   => grub2 (v1.97-1.98) installed in mbr of /dev/sda , looks @ sector      1 of same hard drive core.img. core.img @ location ,      looks in partition 1 (,msdos1)/grub.  => syslinux mbr (3.61-4.03) installed in mbr of /dev/sdb.  sda1: __________________________________________________________________________      file system:       ext4     boot sector type:  -     boot sector info:       operating system:       boot files:        /grub/menu.lst /grub/core.img /boot/grub/core.img  sda2: __________________________________________________________________________      file system:       extended partition     boot sector type:  -     boot sector info:    sda5: __________________________________________________________________________      file system:       swap     boot sector type:  -     boot sector info:    sda6: __________________________________________________________________________      file system:       swap     boot sector type:  -     boot sector info:    sda7: __________________________________________________________________________      file system:       ext4     boot sector type:  -     boot sector info:       operating system:  ubuntu 10.10     boot files:        /boot/grub/menu.lst /etc/fstab /grub/core.img                         /boot/grub/core.img  sda8: __________________________________________________________________________      file system:       ext4     boot sector type:  -     boot sector info:       operating system:       boot files:          sdb1: __________________________________________________________________________      file system:       vfat     boot sector type:  syslinux 4.03 2010-10-22 ........>..sr>..........:...0...~.....~...f...m.f.f....f..0~....>e}.u......     boot sector info:   syslinux looks @ sector 30580 of /dev/sdb1                         second stage. syslinux installed in  directory.                         integrity check of adv area failed. no errors                         found in boot parameter block.     operating system:       boot files:        /syslinux/syslinux.cfg /ldlinux.sys  ============================ drive/partition info: =============================  drive: sda _____________________________________________________________________  disk /dev/sda: 250.0 gb, 250000000000 bytes 255 heads, 63 sectors/track, 30394 cylinders, total 488281250 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       976,895       974,848  83 linux /dev/sda2             978,942   488,280,063   487,301,122   5 extended /dev/sda5             978,944     1,976,319       997,376  82 linux swap / solaris /dev/sda6           1,978,368     2,975,743       997,376  82 linux swap / solaris /dev/sda7           2,977,792   248,737,791   245,760,000  83 linux /dev/sda8         248,739,840   488,280,063   239,540,224  83 linux   drive: sdb _____________________________________________________________________  disk /dev/sdb: 4022 mb, 4022337024 bytes 124 heads, 62 sectors/track, 1021 cylinders, total 7856127 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/sdb1    *             62     7,849,447     7,849,386   c w95 fat32 (lba)   "blkid" output: ________________________________________________________________  device           uuid                                   type       label  /dev/loop0                                              squashfs    /dev/sda1        a4d87872-3791-48d6-aec5-1971e02c65fa   ext4        /dev/sda5        19e0a91f-91bd-4026-8f72-1fd2de5952a4   swap        /dev/sda6        12dc4732-2c08-4389-a933-2401ceedbc56   swap        /dev/sda7        4bbfe615-f899-4048-97fc-d376e126bb8a   ext4        /dev/sda8        b26580d1-4838-4582-83e1-33d50bb58cbf   ext4       datas /dev/sdb1        13fd-2c64                              vfat       pendrive  ================================ mount points: =================================  device           mount_point              type       options  /dev/loop0       /rofs                    squashfs   (ro,noatime) /dev/sda1        /mnt/karthick/boot       ext4       (rw) /dev/sda7        /mnt/karthick            ext4       (rw) /dev/sdb1        /cdrom                   vfat       (rw,relatime,fmask=0022,dmask=0022,codepage=cp437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)   ============================= sda1/grub/menu.lst: ==============================  -------------------------------------------------------------------------------- kernel /vmlinuz-2.6.18-128.1.1.el5 ro root=label=/ console=tty0 console=ttys1,19200n8 --------------------------------------------------------------------------------  =================== sda1: location of files loaded grub: ====================             gib - gb             file                                 fragment(s)     0.143443108 = 0.154020864    boot/grub/core.img                             1    0.260124207 = 0.279306240    grub/core.img                                  1    0.262209892 = 0.281545728    grub/menu.lst                                  1    0.046393394 = 0.049814528    initrd.img-2.6.35-22-generic                   2    0.026704788 = 0.028674048    vmlinuz-2.6.35-22-generic                      2  =========================== sda7/boot/grub/menu.lst: ===========================  -------------------------------------------------------------------------------- kernel /vmlinuz-2.6.18-128.1.1.el5 ro root=label=/ console=tty0 console=ttys1,19200n8 --------------------------------------------------------------------------------  =============================== sda7/etc/fstab: ================================  -------------------------------------------------------------------------------- # /etc/fstab: static file system information. # # use 'blkid -o value -s uuid' print universally unique identifier # device; may used uuid= more robust way name # devices works if disks added , removed. see fstab(5). # # <file system> <mount point>   <type>  <options>       <dump>  <pass> proc            /proc           proc    nodev,noexec,nosuid 0       0 # / on /dev/sda7 during installation uuid=4bbfe615-f899-4048-97fc-d376e126bb8a /               ext4    errors=remount-ro 0       1 # /boot on /dev/sda1 during installation uuid=a4d87872-3791-48d6-aec5-1971e02c65fa /boot           ext4    defaults        0       2 # swap on /dev/sda5 during installation uuid=19e0a91f-91bd-4026-8f72-1fd2de5952a4 none            swap    sw              0       0 # swap on /dev/sda6 during installation uuid=12dc4732-2c08-4389-a933-2401ceedbc56 none            swap    sw              0       0 /dev/sda8 /media/datas ext4 user,auto 0 0  --------------------------------------------------------------------------------  =================== sda7: location of files loaded grub: ====================             gib - gb             file                                 fragment(s)     1.679069519 = 1.802887168    boot/grub/core.img                             1    1.681155205 = 1.805126656    boot/grub/menu.lst                             1    1.465338707 = 1.573395456    boot/initrd.img-2.6.35-22-generic              2    1.445650101 = 1.552254976    boot/vmlinuz-2.6.35-22-generic                 2   25.546592712 = 27.430445056   grub/core.img                                  1    1.465338707 = 1.573395456    initrd.img                                     2    1.445650101 = 1.552254976    vmlinuz                                        2  ========================= sdb1/syslinux/syslinux.cfg: ==========================  -------------------------------------------------------------------------------- # d-i config version 2.0 include menu.cfg default vesamenu.c32 prompt 0 timeout 50  # if use new menu , presented option install or run usb @ startup, remove # following line. line commented out (by request of many) allow old menu presented , enable booting straight live environment!  # ui gfxboot bootlogo --------------------------------------------------------------------------------  ================= sdb1: location of files loaded syslinux: ==================             gib - gb             file                                 fragment(s)              ?? = ??             ldlinux.sys                                    1             ?? = ??             syslinux/gfxboot.c32                           1             ?? = ??             syslinux/syslinux.cfg                          1             ?? = ??             syslinux/vesamenu.c32                          1  ============== sdb1: version of com32(r) files used syslinux: ===============   syslinux/gfxboot.c32               :  com32r module (v4.xx)  syslinux/vesamenu.c32              :  com32r module (v4.xx)  =============================== stderr messages: ===============================  boot_info_script.sh: line 1579: [: 2.73495e+09: integer expression expected

can me pls?

hi karthick , see again.
have installed thing or did software upgrades ?

have old kernels in system , if have tried boot them ?

please provide output of

code:

dmesg

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