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Thread: Disk errors on boot / mount

  1. #1
    Join Date
    Nov 2009
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    Disk errors on boot / mount

    I seem to be having some problems with my drives not shutting down cleanly. Can someone help me identify and fix the problem?

    The error message I can see in kern.log is:
    Code:
    EXT4-fs (sda2): re-mounted. Opts: errors=remount-ro
    Noting that sda2 is my / (root).

    Symptons include occasional boot and OS load problems (system freezing during boot, or on loading desktop), disk errors showing (inodes being deleted):
    Code:
    Oct 23 08:04:36 brick kernel: [    2.817994] EXT4-fs (sda2): INFO: recovery required on readonly filesystem
    Oct 23 08:04:36 brick kernel: [    2.818115] EXT4-fs (sda2): write access will be enabled during recovery
    Oct 23 08:04:36 brick kernel: [    3.094047] EXT4-fs (sda2): orphan cleanup on readonly fs
    Oct 23 08:04:36 brick kernel: [    3.123264] EXT4-fs (sda2): ext4_orphan_cleanup: deleting unreferenced inode 528801
    Oct 23 08:04:36 brick kernel: [    3.127215] EXT4-fs (sda2): ext4_orphan_cleanup: deleting unreferenced inode 791772
    Oct 23 08:04:36 brick kernel: [    3.127296] EXT4-fs (sda2): ext4_orphan_cleanup: deleting unreferenced inode 791770
    Oct 23 08:04:36 brick kernel: [    3.127348] EXT4-fs (sda2): ext4_orphan_cleanup: deleting unreferenced inode 791705
    Oct 23 08:04:36 brick kernel: [    3.175285] EXT4-fs (sda2): ext4_orphan_cleanup: deleting unreferenced inode 788952
    Oct 23 08:04:36 brick kernel: [    3.175320] EXT4-fs (sda2): ext4_orphan_cleanup: deleting unreferenced inode 788899
    Oct 23 08:04:36 brick kernel: [    3.184290] EXT4-fs (sda2): ext4_orphan_cleanup: deleting unreferenced inode 788451
    Oct 23 08:04:36 brick kernel: [    3.184322] EXT4-fs (sda2): ext4_orphan_cleanup: deleting unreferenced inode 788437
    Oct 23 08:04:36 brick kernel: [    3.184350] EXT4-fs (sda2): ext4_orphan_cleanup: deleting unreferenced inode 788270
    Oct 23 08:04:36 brick kernel: [    3.184373] EXT4-fs (sda2): 9 orphan inodes deleted
    Oct 23 08:04:36 brick kernel: [    3.184414] EXT4-fs (sda2): recovery complete
    Oct 23 08:04:36 brick kernel: [    3.246300] EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: (null)
    my /etc/fstab is:

    Code:
    proc            /proc           proc    nodev,noexec,nosuid 0       0
    
    # / was on /dev/sda2 during installation
    # /boot was on /dev/sda1 during installation
    # /home was on /dev/sda6 during installation
    # swap was on /dev/sda5 during installation
    
    UUID=e7972335-1344-4ff8-b4cf-e4b70d2cb8cd /               ext4    errors=remount-ro 0       1
    UUID=959fa271-d1d1-4eef-ba14-30e2837a6eea /boot           ext4    defaults        0       2
    UUID=c1f3c3f6-5999-4357-8142-c747ed8beb15 /home           ext4    defaults        0       2
    UUID=d28d2d75-fc02-41b1-be8e-5a8fa2011e35 none            swap    sw              0       0
    
    # dingo (/dev/sdc1) is the 2TB drive
    UUID=003ABB1739377B81  /mnt/dingo  ntfs-3g  auto,users,uid=1000,gid=100,dmask=027,fmask=137,locale=en_AU.utf8  0  0
    
    # data is /dev/sdb8
    UUID=146FA9B0B6A44D89  /mnt/data  ntfs-3g  auto,users,uid=1000,gid=100,dmask=027,fmask=137,locale=en_AU.utf8  0  0
    I also see (on screen) some words to the effect that unmounting is throwing an error... but I have no idea where to see that in logs.
    Last edited by ottadini; November 12th, 2013 at 12:41 AM.

  2. #2
    Join Date
    Jun 2009
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    Chicago Suburbs
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    Ubuntu 14.04 Trusty Tahr

    Re: Disk errors on boot / mount

    I might try a full fsck on all ext4 partitions. May be a good idea to run chkdsk from a Windows repairCD on all the NTFS partitions also.

    #From liveCD so everything is unmounted,swap off if necessary, change example shown with partition sdb1 to your partition(s)
    #e2fsck is used to check the ext2/ext3/ext4 family of file systems. -p trys fixes where response not required
    sudo e2fsck -C0 -p -f -v /dev/sdb1
    #if errors: -y auto answers yes for fixes needing response, also see man e2fsck
    sudo e2fsck -f -y -v /dev/sdb1

    How are you shutting down. If forcing reboot, change to REISUB.


    Holding down Alt and SysRq (which is the Print Screen key) while slowly typing REISUB
    R-E-I-S-U-B to force shutdown
    A good way to remember it is.
    Raising Skinny Elephants Is Utterly Boring ...or
    Reboot System Even If Ultimately Broken ...LOL.
    http://kember.net/articles/reisub-th...linux-restart/
    http://ubuntuforums.org/showthread.p...4#post12543274
    For info on UEFI boot install & repair:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  3. #3
    Join Date
    Nov 2009
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    Re: Disk errors on boot / mount

    Quote Originally Posted by oldfred View Post
    I might try a full fsck on all ext4 partitions. May be a good idea to run chkdsk from a Windows repairCD on all the NTFS partitions also.

    #From liveCD so everything is unmounted,swap off if necessary, change example shown with partition sdb1 to your partition(s)
    #e2fsck is used to check the ext2/ext3/ext4 family of file systems. -p trys fixes where response not required
    sudo e2fsck -C0 -p -f -v /dev/sdb1
    #if errors: -y auto answers yes for fixes needing response, also see man e2fsck
    sudo e2fsck -f -y -v /dev/sdb1

    How are you shutting down. If forcing reboot, change to REISUB.


    Holding down Alt and SysRq (which is the Print Screen key) while slowly typing REISUB
    R-E-I-S-U-B to force shutdown
    A good way to remember it is.
    Raising Skinny Elephants Is Utterly Boring ...or
    Reboot System Even If Ultimately Broken ...LOL.
    http://kember.net/articles/reisub-th...linux-restart/
    http://ubuntuforums.org/showthread.p...4#post12543274
    Will try fsck later (when I finish for the day).

    REISUB: I always remember it as BUSIER backwards.

  4. #4
    Join Date
    Nov 2009
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    Re: Disk errors on boot / mount

    I have run fsck and e2fsck a few times and each time there are no problems reported.
    I am shutting down normally, just via system menu, and the machine seems to shut down normally, though I don't know how to check that! Which log will tell me more?

    Any help?

  5. #5
    Join Date
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    Chicago Suburbs
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    Ubuntu 14.04 Trusty Tahr

    Re: Disk errors on boot / mount

    I do not know what log file to look at. I normally only look at dmseg for booting.
    gksudo gedit /var/log/dmesg

    But there are many log files and folder in /var/log
    For info on UEFI boot install & repair:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  6. #6
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    Nov 2009
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    Re: Disk errors on boot / mount

    Anybody got any ideas?

  7. #7
    Join Date
    Aug 2013
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    1

    Re: Disk errors on boot / mount

    Same problem here, kernel 3.12.0-031200-generic, ubuntu 13.10 ---- fsck.ext4 -f on the root filesystem yields no errors.

  8. #8
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    Re: Disk errors on boot / mount

    @daniele3
    Run the full fsck as in post #2. A simple fsck only checks to see if any issues have been reported and then may do something. The full fsck runs the full review.
    For info on UEFI boot install & repair:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  9. #9
    Join Date
    Nov 2009
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    Re: Disk errors on boot / mount

    Quote Originally Posted by daniele3 View Post
    Same problem here, kernel 3.12.0-031200-generic, ubuntu 13.10 ---- fsck.ext4 -f on the root filesystem yields no errors.
    I am still hoping someone can provide a few hints to at least troubleshoot the problem. Please let me know here if you find help somewhere else.

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