Thread: 11.10 glitchy video and boot process

1st post , new linux...

lost power other day , since can boot in safe mode. today noticed video settings higher resolution , there areas lines flicker constantly.

attempting post bootscript

code:

 boot info script 0.60    17 may 2011   ============================= boot info summary: ===============================   => grub2 (v1.99) installed in mbr of /dev/sda , looks @ sector 1 of      same hard drive core.img. core.img @ location , looks       on drive.  => syslinux mbr (4.04 , higher) installed in mbr of /dev/sdb.  sda1: __________________________________________________________________________      file system:       ext4     boot sector type:  -     boot sector info:       operating system:  ubuntu 11.10     boot files:        /boot/grub/grub.cfg /etc/fstab /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:    sdb1: __________________________________________________________________________      file system:       vfat     boot sector type:  syslinux 4.05 2011-12-09     boot sector info:   syslinux looks @ sector 33910 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  sdb2: __________________________________________________________________________      file system:       extended partition     boot sector type:  -     boot sector info:    sdb5: __________________________________________________________________________      file system:       ext4     boot sector type:  -     boot sector info:       operating system:  ubuntu 11.10     boot files:        /etc/fstab  sdb6: __________________________________________________________________________      file system:       swap     boot sector type:  -     boot sector info:    ============================ drive/partition info: =============================  drive: sda _____________________________________________________________________  disk /dev/sda: 120.0 gb, 120034123776 bytes 255 heads, 63 sectors/track, 14593 cylinders, total 234441648 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   232,478,719   232,476,672  83 linux /dev/sda2         232,480,766   234,440,703     1,959,938   5 extended /dev/sda5         232,480,768   234,440,703     1,959,936  82 linux swap / solaris   drive: sdb _____________________________________________________________________  disk /dev/sdb: 8011 mb, 8011120640 bytes 128 heads, 63 sectors/track, 1940 cylinders, total 15646720 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    *          8,064     8,713,433     8,705,370   c w95 fat32 (lba) /dev/sdb2           8,714,238    15,644,671     6,930,434   5 extended /dev/sdb5           8,714,240    13,682,687     4,968,448  83 linux /dev/sdb6          13,684,736    15,644,671     1,959,936  82 linux swap / solaris   "blkid" output: ________________________________________________________________  device           uuid                                   type       label  /dev/sda1        ab66586e-8148-4076-a3c5-f25d33b74781   ext4        /dev/sda5        8aaca404-7517-4f30-9f77-ac2902538068   swap        /dev/sdb1        1a12-067a                              vfat       pendrive /dev/sdb5        69add400-4b48-4b7c-b5ba-6ec5beae1c0b   ext4        /dev/sdb6        ce0ce66d-ad37-4c63-9c1d-69d11fcb2ad2   swap         ================================ mount points: =================================  device           mount_point              type       options  /dev/sda1        /                        ext4       (rw,errors=remount-ro,commit=0) /dev/sdb1        /media/pendrive          vfat       (rw,nosuid,nodev,uid=1000,gid=1000,shortname=mixed,dmask=0077,utf8=1,showexec,flush,uhelper=udisks) /dev/sdb5        /media/69add400-4b48-4b7c-b5ba-6ec5beae1c0b ext4       (rw,nosuid,nodev,uhelper=udisks)   =========================== sda1/boot/grub/grub.cfg: ===========================  -------------------------------------------------------------------------------- # # not edit file # # automatically generated grub-mkconfig using templates # /etc/grub.d , settings /etc/default/grub #  ### begin /etc/grub.d/00_header ### if [ -s $prefix/grubenv ];   set have_grubenv=true   load_env fi set default="0" if [ "${prev_saved_entry}" ];   set saved_entry="${prev_saved_entry}"   save_env saved_entry   set prev_saved_entry=   save_env prev_saved_entry   set boot_once=true fi  function savedefault {   if [ -z "${boot_once}" ];     saved_entry="${chosen}"     save_env saved_entry   fi }  function recordfail {   set recordfail=1   if [ -n "${have_grubenv}" ]; if [ -z "${boot_once}" ]; save_env recordfail; fi; fi }  function load_video {   insmod vbe   insmod vga   insmod video_bochs   insmod video_cirrus }  insmod part_msdos insmod ext2 set root='(hd0,msdos1)' search --no-floppy --fs-uuid --set=root ab66586e-8148-4076-a3c5-f25d33b74781 if loadfont /usr/share/grub/unicode.pf2 ;   set gfxmode=auto   load_video   insmod gfxterm   insmod part_msdos   insmod ext2   set root='(hd0,msdos1)'   search --no-floppy --fs-uuid --set=root ab66586e-8148-4076-a3c5-f25d33b74781   set locale_dir=($root)/boot/grub/locale   set lang=en_us   insmod gettext fi terminal_output gfxterm if [ "${recordfail}" = 1 ];   set timeout=-1 else   set timeout=10 fi ### end /etc/grub.d/00_header ###  ### begin /etc/grub.d/05_debian_theme ### set menu_color_normal=white/black set menu_color_highlight=black/light-gray if background_color 44,0,30;   clear fi ### end /etc/grub.d/05_debian_theme ###  ### begin /etc/grub.d/10_linux ### if [ ${recordfail} != 1 ];   if [ -e ${prefix}/gfxblacklist.txt ];     if hwmatch ${prefix}/gfxblacklist.txt 3;       if [ ${match} = 0 ];         set linux_gfx_mode=keep       else         set linux_gfx_mode=text       fi     else       set linux_gfx_mode=text     fi   else     set linux_gfx_mode=keep   fi else   set linux_gfx_mode=text fi export linux_gfx_mode if [ "$linux_gfx_mode" != "text" ]; load_video; fi menuentry 'ubuntu, linux 3.0.0-17-generic' --class ubuntu --class gnu-linux --class gnu --class os {     recordfail     set gfxpayload=$linux_gfx_mode     insmod gzio     insmod part_msdos     insmod ext2     set root='(hd0,msdos1)'     search --no-floppy --fs-uuid --set=root ab66586e-8148-4076-a3c5-f25d33b74781     linux    /boot/vmlinuz-3.0.0-17-generic root=uuid=ab66586e-8148-4076-a3c5-f25d33b74781 ro   quiet splash vt.handoff=7     initrd    /boot/initrd.img-3.0.0-17-generic } menuentry 'ubuntu, linux 3.0.0-17-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {     recordfail     insmod gzio     insmod part_msdos     insmod ext2     set root='(hd0,msdos1)'     search --no-floppy --fs-uuid --set=root ab66586e-8148-4076-a3c5-f25d33b74781     echo    'loading linux 3.0.0-17-generic ...'     linux    /boot/vmlinuz-3.0.0-17-generic root=uuid=ab66586e-8148-4076-a3c5-f25d33b74781 ro recovery nomodeset      echo    'loading initial ramdisk ...'     initrd    /boot/initrd.img-3.0.0-17-generic } submenu "previous linux versions" { menuentry 'ubuntu, linux 3.0.0-16-generic' --class ubuntu --class gnu-linux --class gnu --class os {     recordfail     set gfxpayload=$linux_gfx_mode     insmod gzio     insmod part_msdos     insmod ext2     set root='(hd0,msdos1)'     search --no-floppy --fs-uuid --set=root ab66586e-8148-4076-a3c5-f25d33b74781     linux    /boot/vmlinuz-3.0.0-16-generic root=uuid=ab66586e-8148-4076-a3c5-f25d33b74781 ro   quiet splash vt.handoff=7     initrd    /boot/initrd.img-3.0.0-16-generic } menuentry 'ubuntu, linux 3.0.0-16-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {     recordfail     insmod gzio     insmod part_msdos     insmod ext2     set root='(hd0,msdos1)'     search --no-floppy --fs-uuid --set=root ab66586e-8148-4076-a3c5-f25d33b74781     echo    'loading linux 3.0.0-16-generic ...'     linux    /boot/vmlinuz-3.0.0-16-generic root=uuid=ab66586e-8148-4076-a3c5-f25d33b74781 ro recovery nomodeset      echo    'loading initial ramdisk ...'     initrd    /boot/initrd.img-3.0.0-16-generic } menuentry 'ubuntu, linux 3.0.0-15-generic' --class ubuntu --class gnu-linux --class gnu --class os {     recordfail     set gfxpayload=$linux_gfx_mode     insmod gzio     insmod part_msdos     insmod ext2     set root='(hd0,msdos1)'     search --no-floppy --fs-uuid --set=root ab66586e-8148-4076-a3c5-f25d33b74781     linux    /boot/vmlinuz-3.0.0-15-generic root=uuid=ab66586e-8148-4076-a3c5-f25d33b74781 ro   quiet splash vt.handoff=7     initrd    /boot/initrd.img-3.0.0-15-generic } menuentry 'ubuntu, linux 3.0.0-15-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {     recordfail     insmod gzio     insmod part_msdos     insmod ext2     set root='(hd0,msdos1)'     search --no-floppy --fs-uuid --set=root ab66586e-8148-4076-a3c5-f25d33b74781     echo    'loading linux 3.0.0-15-generic ...'     linux    /boot/vmlinuz-3.0.0-15-generic root=uuid=ab66586e-8148-4076-a3c5-f25d33b74781 ro recovery nomodeset      echo    'loading initial ramdisk ...'     initrd    /boot/initrd.img-3.0.0-15-generic } menuentry 'ubuntu, linux 3.0.0-12-generic' --class ubuntu --class gnu-linux --class gnu --class os {     recordfail     set gfxpayload=$linux_gfx_mode     insmod gzio     insmod part_msdos     insmod ext2     set root='(hd0,msdos1)'     search --no-floppy --fs-uuid --set=root ab66586e-8148-4076-a3c5-f25d33b74781     linux    /boot/vmlinuz-3.0.0-12-generic root=uuid=ab66586e-8148-4076-a3c5-f25d33b74781 ro   quiet splash vt.handoff=7     initrd    /boot/initrd.img-3.0.0-12-generic } menuentry 'ubuntu, linux 3.0.0-12-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {     recordfail     insmod gzio     insmod part_msdos     insmod ext2     set root='(hd0,msdos1)'     search --no-floppy --fs-uuid --set=root ab66586e-8148-4076-a3c5-f25d33b74781     echo    'loading linux 3.0.0-12-generic ...'     linux    /boot/vmlinuz-3.0.0-12-generic root=uuid=ab66586e-8148-4076-a3c5-f25d33b74781 ro recovery nomodeset      echo    'loading initial ramdisk ...'     initrd    /boot/initrd.img-3.0.0-12-generic } } ### end /etc/grub.d/10_linux ###  ### begin /etc/grub.d/20_linux_xen ### ### end /etc/grub.d/20_linux_xen ###  ### begin /etc/grub.d/20_memtest86+ ### menuentry "memory test (memtest86+)" {     insmod part_msdos     insmod ext2     set root='(hd0,msdos1)'     search --no-floppy --fs-uuid --set=root ab66586e-8148-4076-a3c5-f25d33b74781     linux16    /boot/memtest86+.bin } menuentry "memory test (memtest86+, serial console 115200)" {     insmod part_msdos     insmod ext2     set root='(hd0,msdos1)'     search --no-floppy --fs-uuid --set=root ab66586e-8148-4076-a3c5-f25d33b74781     linux16    /boot/memtest86+.bin console=ttys0,115200n8 } ### end /etc/grub.d/20_memtest86+ ###  ### begin /etc/grub.d/30_os-prober ### if [ "x${timeout}" != "x-1" ];   if keystatus;     if keystatus --shift;       set timeout=-1     else       set timeout=0     fi   else     if sleep --interruptible 3 ;       set timeout=0     fi   fi fi ### end /etc/grub.d/30_os-prober ###  ### begin /etc/grub.d/40_custom ### # file provides easy way add custom menu entries.  type # menu entries want add after comment.  careful not change # 'exec tail' line above. ### end /etc/grub.d/40_custom ###  ### begin /etc/grub.d/41_custom ### if [ -f  $prefix/custom.cfg ];   source $prefix/custom.cfg; fi ### end /etc/grub.d/41_custom ### --------------------------------------------------------------------------------  =============================== sda1/etc/fstab: ================================  -------------------------------------------------------------------------------- # /etc/fstab: static file system information. # # use 'blkid' 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/sda1 during installation uuid=ab66586e-8148-4076-a3c5-f25d33b74781 /               ext4    errors=remount-ro 0       1 # swap on /dev/sda5 during installation uuid=8aaca404-7517-4f30-9f77-ac2902538068 none            swap    sw              0       0 /dev/fd0        /media/floppy0  auto    rw,user,noauto,exec,utf8 0       0 --------------------------------------------------------------------------------  =================== sda1: location of files loaded grub: ====================             gib - gb             file                                 fragment(s)                 =                boot/grub/core.img                             1                =                boot/grub/grub.cfg                             1                =                boot/initrd.img-3.0.0-12-generic               3                =                boot/initrd.img-3.0.0-15-generic               3                =                boot/initrd.img-3.0.0-16-generic               2                =                boot/initrd.img-3.0.0-17-generic               1                =                boot/vmlinuz-3.0.0-12-generic                  1                =                boot/vmlinuz-3.0.0-15-generic                  1                =                boot/vmlinuz-3.0.0-16-generic                  1                =                boot/vmlinuz-3.0.0-17-generic                  1                =                initrd.img                                     1                =                initrd.img.old                                 2                =                vmlinuz                                        1                =                vmlinuz.old                                    1  ========================= 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/chain.c32                             1             ?? = ??             syslinux/gfxboot.c32                           1             ?? = ??             syslinux/syslinux.cfg                          1             ?? = ??             syslinux/vesamenu.c32                          1  ============== sdb1: version of com32(r) files used syslinux: ===============   syslinux/chain.c32                 :  com32r module (v4.xx)  syslinux/gfxboot.c32               :  com32r module (v4.xx)  syslinux/vesamenu.c32              :  com32r module (v4.xx)  =============================== sdb5/etc/fstab: ================================  -------------------------------------------------------------------------------- # /etc/fstab: static file system information. # # use 'blkid' 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/sdb5 during installation uuid=69add400-4b48-4b7c-b5ba-6ec5beae1c0b /               ext4    errors=remount-ro 0       1 # swap on /dev/sdb6 during installation uuid=ce0ce66d-ad37-4c63-9c1d-69d11fcb2ad2 none            swap    sw              0       0 /dev/fd0        /media/floppy0  auto    rw,user,noauto,exec,utf8 0       0 --------------------------------------------------------------------------------  =================== sdb5: location of files loaded grub: ====================             gib - gb             file                                 fragment(s)                 =                boot/vmlinuz-3.0.0-12-generic                  1                =                vmlinuz                                        1  =============================== stderr messages: ===============================  unlzma: decoder error awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in /home/jk/desktop/boot_info_script.sh: line 1579: [: 2.73495e+09: integer expression expected awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in

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