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I installed the laptop-mode-tools package. When the service starts (term reads "Enabling laptop mode"), a segmentation fault occurs.

I can't boot the system now. I tried to remove the package from recovery mode, but the filesystem is mounted read-only, and selecting an option that would mount it for writing inits laptop-mode-tools and segfaults again.

EDIT: I remounted / with rw, but running dpkg to remove the package also causes a segfault.

Nevermind getting the package to work, how can I recover the system?

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3 Answers 3

Reset to default
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I entered in recovery mode and delete with rm the /etc/laptop-mode-tools folder with its sub-folders. Then I re-give the command apt-get purge laptop-mode-tools and all works!

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When you are in recovery mode, remove the package with:

sudo apt-get remove --purge laptop-mode-tools
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  • As I said, that also causes a segfault. I used a chroot and solved the problem
    – salezica
    May 31, 2013 at 7:43
  • @uʍopǝpısdn You said that you runned "dpkg to remove the package". And it was normal to use root privileges. For this I used sudo in my answer.
    – Radu Rădeanu
    May 31, 2013 at 8:07
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I used the Ubuntu live installation drive to chroot into the local system:

# mkdir mnt
# mount -t proc proc mnt/proc
# mount -t sysfs sys mnt/sys
# mount -o bind /dev mnt/dev
# chroot mnt /bin/bash

Inside the chroot, I could apt-get remove --purge the package with no issues.

Unfortunately for me, the system never booted again. The kernel panics during startup.

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