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I'm quite a newbie with Ubuntu, but i have to say that's a powerful OS. Despite that, today i got a problem starting it. When i turn on my portable, i got the purple screen that asks which option to choose: Ubuntu, Advanced options for Ubuntu, and then the 2 memory test commands.

At first, i thought it was only a screen of setup, but then i get this code.

fsck from util-linux 2.26.2
/dev/sdb1 contains a file system with errors, check forced.
/dev/sdb1: Inodes that were part of a corrupted orphan linked list found

/dev/sdb1: UNEXPECTED INCONSISTENCY: RUN fsck MANUALLY.
        (i.e., without -a or -p options)
fsck exited with status code 4
The root filesystem on /dev/sdb1 requires a manual fsck

BusyBox v.1.22.1. (Ubuntu 1:1.22.0-15ubuntu1) built-in shell (ash)
Enter 'help' for a list of built-in commands.

(initramfs) [   12.358363] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun

I think that the file system got corrupted (even i don't know how i did it). Do you know when this problem occurs or how to solve it?

Thank you for the help! ;)

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    "The root filesystem on /dev/sdb1 requires a manual fsck" ;)
    – Rinzwind
    Feb 12, 2016 at 19:53
  • 1
    Can you use the system after you see this error? Do you have a live media available? Feb 12, 2016 at 19:54
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    Have you run fsck?
    – Braiam
    Feb 12, 2016 at 22:40

1 Answer 1

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1 method to do this would be to boot from a live dvd, go to command line and do a

sudo -i
fsck /dev/sdb1

According to geekstuff you should be able to do it from initramfs directly. If ...

# fsck -a /dev/sdb1
# echo $?

shows an error code 4 you can also do ...

# fsck -y /dev/sdb1

If it works an exit will restart the boot process.

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  • i repaired all the problems! It was simpler than i thought. However, before the OS started, i got this message: [ 12.358363] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] ERROR CPU pipe B FIFO underrun. Should I worry?
    – Marco
    Feb 12, 2016 at 20:07
  • do you have a dual boot? if so see-> askubuntu.com/questions/642207/drm-errors-on-startup
    – Rinzwind
    Feb 12, 2016 at 20:18

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