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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1421746

Title:
  Enabling HWE Stack in precise broke my system

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Dell D800 Pentium M 1400 - video pci id 0x0286 nv28m nvidia-96 mandatory (broken nouveau)
  I ran sudo apt-get install linux-generic-lts-trusty xserver-xorg-lts-trusty 
  which began removing nvidia96 and xserver-xorg-core then failed to install the 3.13.0-45 kernel
  I had to add forcepae option to GRUB_CMDLINE_LINUX in /etc/default/grub AND force the pae flag to show in /proc/cpuinfo this way:
  ~$ cat /proc/cpuinfo | sed 's/flags\t*:/& pae/' > /tmp/cpuinfo_pae
  ~$ sudo mount -o bind /tmp/cpuinfo_pae /proc/cpuinfo
  ~$ sudo mount -o remount,ro,bind /proc/cpuinfo
  so that after sudo update-grub and reboot I could have linux-generic-lts-trusty to install OK.

  However nvidia-96 fails to reinstall and the system is just OK for
  booting in tty lowgraphics mode.

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