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I have just set up my new system by creating three partitions on a whole hard disk (/boot, /home, swap and /). I saw this article and now I am getting those errors and the system provide me with some options: (I to ignore, S to skip mounting or M for manual recovery).

I am forced to choose skip mounting because I don't know what manual recovery is. Despite the error I get I think that the system boots okay because I can use the system but this error is very annoying.

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'Those errors'? What errors? –  mikewhatever Aug 23 '11 at 1:13
    
Same problem with me but when i go on ignore nothing... Another problem same nothing, and do not start ubuntu. After all ignore just black screen. What on manual recovery to write? –  Marko Apr 18 at 18:27

2 Answers 2

up vote 7 down vote accepted

The message says some errors were found on the filesystem which fsck is afraid to fix automatically, so you need to do it manually. To do this, press M when it prompts you - this will drop you into a emergency root console. From there you'll be able to run

fsck /dev/sda1

where /dev/sda1 is the name of your /boot partition. You can see the list of partitions by doing fdisk -l.

Alternatively, you can try fsck -A to check all partitions but I suppose it'll only work if the root partition is already mounted so fsck can access /etc/fstab.

It'll probably ask you a few questions - I usually just agree with what it proposes. Also, there's 'a' option which will fix things automatically but the man file suggests to use it with caution. So, ultimately, fsck -Aa should fix all errors on all partitions without asking any questions.

After you're finished, exit the shell with Ctrl-D and the machine will reboot.

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I have the same problem but those steps doesn't work for me :( when i type fsck /dev/sda1 it says: there is differences between backup and original and give me 3 options: 2) Move Backup to Original, 2) Move Original to Backup 3) No changes when i choose 1 or 2 it says leaving file system unchanged. I reboot and same error found. –  duverj Apr 18 at 18:12

I had a similar problem except I had created a RAID volume formatted with XFS. Every time the OS booted I would get the Serious errors were found... message. If I hit i to ignore, the volume would still mount fine.

All I had to do was install the xfsprogs package and run xfs_check. The OS was probably trying to check the filesystem but failed because the utility wasn't there.

Thanks for steering me in the right direction Sergey!

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