Bananian

EXT4-fs (mmcblk0p2): error

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Hi,

how can I check the filesystem on Bananian 16.04?

  1. root@banane:~# dmesg -T | grep -i ext4
  2. [Sa Jul 16 10:54:37 2016] Kernel command line: console=ttyS0,115200 console=tty0 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait
  3. [Sa Jul 16 10:54:42 2016] EXT4-fs (mmcblk0p2): mounted filesystem without journal. Opts: (null)
  4. [Sa Jul 16 10:54:42 2016] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
  5. [Sa Jul 16 10:54:46 2016] EXT4-fs (mmcblk0p2): warning: mounting unchecked fs, running e2fsck is recommended
  6. [Sa Jul 16 10:54:46 2016] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
  7. [Sa Jul 16 10:54:47 2016] EXT4-fs error (device mmcblk0p2): ext4_mb_generate_buddy:758: group 3, block bitmap and bg descriptor inconsistent: 22005 vs 22006 free clusters
  8. [Sa Jul 16 10:54:47 2016] EXT4-fs error (device mmcblk0p2): ext4_mb_generate_buddy:758: group 4, block bitmap and bg descriptor inconsistent: 12315 vs 12316 free clusters
  9. [Sa Jul 16 10:54:53 2016] EXT4-fs (mmcblk0p2): re-mounted. Opts: block_validity,delalloc,barrier,user_xattr,acl
  10. [Sa Jul 16 10:59:43 2016] EXT4-fs (mmcblk0p2): error count since last fsck: 16
  11. [Sa Jul 16 10:59:43 2016] EXT4-fs (mmcblk0p2): initial error at time 1465665501: mb_free_blocks:1461: inode 3254: block 131965
  12. [Sa Jul 16 10:59:43 2016] EXT4-fs (mmcblk0p2): last error at time 1468659288: ext4_mb_generate_buddy:758

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There is no definition for the root filesystem in the fstab file:

  1. root@banane:~# cat /etc/fstab
  2. # UNCONFIGURED FSTAB FOR BASE SYSTEM

  3. # 512 MB swapfile
  4. /swapfile1 swap swap defaults 0 0

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Thank you!


igorpec  
Try this - login as root:

touch /forcefsck

reboot

And it should be checked at boot.
http://askubuntu.com/questions/476313/force-fsck-safe

hi!

After the system reboot the filesystem wasn't checked.

  1. root@banane ~ # dmesg -T | grep -i ext4
  2. [Mi Jul 20 20:34:37 2016] Kernel command line: console=ttyS0,115200 console=tty0 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait
  3. [Mi Jul 20 20:34:42 2016] EXT4-fs (mmcblk0p2): mounted filesystem without journal. Opts: (null)
  4. [Mi Jul 20 20:34:42 2016] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
  5. [Mi Jul 20 20:34:46 2016] EXT4-fs (mmcblk0p2): warning: mounting unchecked fs, running e2fsck is recommended
  6. [Mi Jul 20 20:34:46 2016] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
  7. [Mi Jul 20 20:34:47 2016] EXT4-fs error (device mmcblk0p2): ext4_mb_generate_buddy:758: group 3, block bitmap and bg descriptor inconsistent: 22005 vs 22006 free clusters
  8. [Mi Jul 20 20:34:47 2016] EXT4-fs error (device mmcblk0p2): ext4_mb_generate_buddy:758: group 4, block bitmap and bg descriptor inconsistent: 12315 vs 12316 free clusters
  9. [Mi Jul 20 20:34:53 2016] EXT4-fs (mmcblk0p2): re-mounted. Opts: block_validity,delalloc,barrier,user_xattr,acl
  10. [Mi Jul 20 20:39:43 2016] EXT4-fs (mmcblk0p2): error count since last fsck: 32
  11. [Mi Jul 20 20:39:43 2016] EXT4-fs (mmcblk0p2): initial error at time 1465665501: mb_free_blocks:1461: inode 3254: block 131965
  12. [Mi Jul 20 20:39:43 2016] EXT4-fs (mmcblk0p2): last error at time 1469039688: ext4_mb_generate_buddy:758
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