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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1550274

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1550274

Title:
  Cant boot from nvme hard disk (kernel regression 4.4 and 4.5 series)

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I am using linux mint 17.3 and I use ubuntu mainline kernels. There is
  some regression that makes booting from working system impossible.

  I got currently 4.3.6-040306-generic #201602191831 (that is EOL and
  works as expected)

  I tried once some months ago to to build my own kernel and everything
  went like it should but I was not able to boot with it. I thought I
  did something wrong, but since that time upgrading every 4.4 and 4.5
  ubuntu kernel has been broken giving the exact problem I had my own
  build kernel.

  I haven't tried all the possible kernel choices of course. But I have
  tried from time to time to upgrade more recent kernel. I havent been
  able. I have only been able to upgrade 4.3 series succefully.

  The system can read grub, the grub has been installed in nvme ssd, but
  the booting distro is on other partion of the same ssd. While trying
  to boot it complains it cant find UUID that seems to match my ssd and
  it drops into some panic shell where I am unable to do anything
  because of lack of knowledge.

  The lastest try was today with

  linux-image-4.5.0-040500rc5-generic (not working).

  For me it seems that 4.4 and 4.5 are impacted by this bug. That is
  related to nvme kernel change.

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