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Thread: Grub freezes after upgrade to 12.10

  1. #11
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    Re: Grub freezes after upgrade to 12.10

    It should be this screen?
    http://www.cgsecurity.org/wiki/TestD...ector_recovery

    And you want to restore backup. Backup BS.

    Only if backup is damaged, then you have to run Rebuild BS as you cannot run chkdsk on the Windows partition with grub installed into the PBR. Windows will not even recongize the partition.
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  2. #12
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    Re: Grub freezes after upgrade to 12.10

    OK. So I bit the bullet and chose "write".
    It wrote a new boot sector to the windows partition and I rebooted. Still nothing
    No sign of a grub screen or anything .
    Any other ideas?
    12.04.4 (precise) 64bit GNOME 3.6.0/ Kernel 3.11.0-8/ GCC version 4.6.3
    Xorg version: 1.14.5 / -Intel Dual CPU E2180 @ 2.00GHz x 2 / 4 GB RAM
    Nvidia Quadro NVS 290

  3. #13
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    Re: Grub freezes after upgrade to 12.10

    I got the confirm screen as described
    "Status: OK
    Sectors are identical" etc
    So do I now need to run chkdsk from a windows cd to restore?
    12.04.4 (precise) 64bit GNOME 3.6.0/ Kernel 3.11.0-8/ GCC version 4.6.3
    Xorg version: 1.14.5 / -Intel Dual CPU E2180 @ 2.00GHz x 2 / 4 GB RAM
    Nvidia Quadro NVS 290

  4. #14
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    Re: Grub freezes after upgrade to 12.10

    So I reloaded the live CD and restarted testdisk through chroot, and go the following: (mostly in green)

    Disk /dev/sdb - 500 GB / 465 GiB - CHS 60802 255 63
    Partition Start End Size in sectors
    >* HPFS - NTFS 0 1 1 16707 254 63 268413957
    P HPFS - NTFS 16708 0 1 34793 254 63 290551590 [New Volume]
    L Linux 34794 2 1 43103 254 63 133500024
    L Linux Swap 43104 1 1 43462 254 63 5767272
    L Linux 43463 1 1 60091 254 63 267144822
    L Linux Swap 60092 1 1 60800 254 63 11390022

    Not sure if Im reading it wrong, but shouldn't the linux partition have the * (ie be the primary bootable?
    12.04.4 (precise) 64bit GNOME 3.6.0/ Kernel 3.11.0-8/ GCC version 4.6.3
    Xorg version: 1.14.5 / -Intel Dual CPU E2180 @ 2.00GHz x 2 / 4 GB RAM
    Nvidia Quadro NVS 290

  5. #15
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    Re: Grub freezes after upgrade to 12.10

    No.
    Windows (and a few BIOS assume Windows) have to have a boot flag on the primary partition that Windows boots from. In Windows it is set active partition.
    Grub does not use boot flag. You should leave boot flag on NTFS partition with Windows boot files.

    Run chkdsk on Windows and then rerun Boot-Repair, if necessary.
    You already show grub in sdb, are you booting from sdb?
    Or was the most current install of grub into one of the partitions. Then the grub in the MBR may not be current and give errors.
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  6. #16
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    Re: Grub freezes after upgrade to 12.10

    Hi Fred.
    Thanks again for your help.

    Still no joy tho
    I've run chkdsk on both drives (found errors and fixed 'em) and then run Boot Repair again.
    But it just keeps freezing on the grub menu screen
    I got Boot Repair to post info summary files before and after it ran, and these are here http://paste.ubuntu.com/6418481/ and here http://paste.ubuntu.com/6418494/
    12.04.4 (precise) 64bit GNOME 3.6.0/ Kernel 3.11.0-8/ GCC version 4.6.3
    Xorg version: 1.14.5 / -Intel Dual CPU E2180 @ 2.00GHz x 2 / 4 GB RAM
    Nvidia Quadro NVS 290

  7. #17
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    Re: Grub freezes after upgrade to 12.10

    You still have grub in the PBR of sdb1. You did not write the backup partition table from testdisk or the backup is also damaged and you have to run the Rebuild BS command.

    Chkdsk will not run on sdb1 until you get grub out of it and have a NTFS signture in the PBR.

    If you ran chkdsk on other NTFS and had errors you need to rerun until you get no errors. Chkdsk does not fix everything on one pass and may need several passes to fix everything.

    Where did the device mapper come from. Did you have/do you have RAID? Or was drive just part of a RAID set before and need the meta-data removed. That also confuses things if not RAID but has meta-data.

    Only run this on drives with the meta-data.
    Presence1960 on remove old raid setting from HD
    http://ubuntuforums.org/showthread.php?t=1325650
    sudo dmraid -E -r /dev/sda
    sudo dmraid -E -r /dev/sdb
    Also check BIOS for raid settings
    Last edited by oldfred; November 15th, 2013 at 02:28 AM.
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  8. #18
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    Re: Grub freezes after upgrade to 12.10

    Hi Fred.
    Many thanks for all your help.
    Seems to be fixed now, thankfully. It looks as though it was mostly about the RAID error. Once I disabled RAID in the BIOS it all seemed to start working again.

    However I now have two new issues.
    1. is that I now have an intermittently freezing mouse (I had to plug in a USB mouse as the PS2 didnt work at all)
    2. Most odd of all, is that something seems to be hogging all my processor power, slowing everything right down to a snails pace.

    Any ideas?

    Cheers
    WR
    12.04.4 (precise) 64bit GNOME 3.6.0/ Kernel 3.11.0-8/ GCC version 4.6.3
    Xorg version: 1.14.5 / -Intel Dual CPU E2180 @ 2.00GHz x 2 / 4 GB RAM
    Nvidia Quadro NVS 290

  9. #19
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    Re: Grub freezes after upgrade to 12.10

    BIOS should be AHCI if you have that and if not Large or LBA not IDE. Windows 7 may need drivers for AHCI. XP just about does not work with AHCI.

    What does top show? It should show which process is using the processor. In termimal top & q to quit out of top back to terminal.
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  10. #20
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    Re: Grub freezes after upgrade to 12.10

    Ive really no idea how to read this, but this is the results of "top"
    The CPU use seems to be going in peaks that roughly corespond with my mouse cursor freezing


    1273 root 20 0 385m 189m 13m S 13.2 6.3 28:24.80 Xorg
    2519 jonathan 20 0 623m 146m 25m S 6.3 4.9 13:12.23 compiz
    7763 jonathan 20 0 446m 173m 24m S 4.0 5.8 22:06.36 plugin-containe
    8998 jonathan 20 0 157m 15m 11m S 4.0 0.5 0:05.70 gnome-terminal
    2734 jonathan 20 0 186m 17m 12m S 3.6 0.6 14:51.91 psensor
    2854 jonathan 20 0 43720 11m 8256 S 1.0 0.4 0:26.69 gtk-window-deco
    3352 jonathan 20 0 885m 286m 42m S 1.0 9.5 35:36.84 firefox
    2866 jonathan 20 0 195m 53m 10m S 0.7 1.8 5:34.27 unity-panel-ser
    846 root 20 0 0 0 0 S 0.3 0.0 0:02.06 flush-8:16
    1322 gnunet 27 7 5036 1472 1136 S 0.3 0.0 0:55.92 gnunet-service-
    1353 gnunet 39 19 5528 1940 1572 S 0.3 0.1 0:33.29 gnunet-service-
    2300 jonathan 20 0 6512 3304 748 S 0.3 0.1 0:31.50 dbus-daemon
    2722 jonathan 20 0 51336 10m 7364 S 0.3 0.3 0:11.15 bamfdaemon
    2868 jonathan 20 0 75292 17m 3532 S 0.3 0.6 4:17.72 hud-service
    7642 root 20 0 8852 4500 2316 S 0.3 0.1 0:13.81 cupsd
    8481 jonathan 20 0 220m 75m 17m S 0.3 2.5 0:33.05 evince
    8982 root 20 0 0 0 0 S 0.3 0.0 0:00.40 kworker/0:1
    9055 jonathan 20 0 5372 1400 1016 R 0.3 0.0 0:05.10 top
    1 root 20 0 3608 1880 1252 S 0.0 0.1 0:00.81 init
    2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd
    3 root 20 0 0 0 0 S 0.0 0.0 0:05.61 ksoftirqd/0
    5 root 20 0 0 0 0 S 0.0 0.0 0:00.50 kworker/u:0
    6 root rt 0 0 0 0 S 0.0 0.0 0:00.00 migration/0
    7 root rt 0 0 0 0 S 0.0 0.0 0:00.90 watchdog/0
    8 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 cpuset
    9 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 khelper
    10 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kdevtmpfs
    11 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 netns
    12.04.4 (precise) 64bit GNOME 3.6.0/ Kernel 3.11.0-8/ GCC version 4.6.3
    Xorg version: 1.14.5 / -Intel Dual CPU E2180 @ 2.00GHz x 2 / 4 GB RAM
    Nvidia Quadro NVS 290

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