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[Brian Murray <brian@xxxxxxxxxx>]

** Package changed: update-manager (Ubuntu) => linux (Ubuntu)

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https://bugs.launchpad.net/bugs/1419424

Title:
  after system update , boot stops after detecting master/slave devices
  (blacklist.conf issue)

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Hi,

  on my parent's computer, I perform "sudo apt-get upgrade" to install
  new packages, including a new Ubuntu kernel.

  While the system reboots, it hangs on after detecting
  primary/secondary disks (HDD, DVD reader, etc...).

  
  I found the issue: the /etc/modprobe.d/blacklist.conf file is not longer taken into account after upgrade.

  
  Indeed, when I installed Ubuntu some month/year ago, I had to blacklist some modules due to conflit with the network card, i.e. I added some entries at the end of the /etc/modprobe.d/blacklist.conf file.

  After the upgrade (including kernel upgrade), the system no longer boots.
  1) I remove the network card => the system boots
  2) After ubuntu starts, I run "lsmod" and discover that some module that I previouly blacklisted in the /etc/modprobe.d/blacklist.conf file are loaded.
  3) So, I run the following command to disabled them, taking into account the /etc/modprobe.d/blacklist.conf file => sudo update-initramfs -u
  4) I re-insert the network card, reboots the computer => the system boots. Problem is solved!

  
  Thus, I think the "sudo update-initramfs -u" command must be automatically run after a kernel upgrade to take into account the blacklist.conf file. Otherwise, it is a blocking issue for many people that are not experts...

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.14.17
  ProcVersionSignature: Ubuntu 3.2.0-76.111-generic 3.2.66
  Uname: Linux 3.2.0-76-generic i686
  ApportVersion: 2.0.1-0ubuntu17.8
  Architecture: i386
  Date: Sun Feb  8 12:41:42 2015
  GsettingsChanges:
   com.ubuntu.update-manager first-run false
   com.ubuntu.update-manager launch-time 1423393571
   com.ubuntu.update-manager show-details true
   com.ubuntu.update-manager window-height 500
   com.ubuntu.update-manager window-width 600
  InstallationMedia: Xubuntu 12.04.3 LTS "Precise Pangolin" - Release i386 (20130820)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=fr:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  Symptom: ubuntu-release-upgrader-core
  UpgradeStatus: No upgrade log present (probably fresh install)

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