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

apport-collect 1659340

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/1659340

Title:
  Linux kernel 4.8 hangs at boot up

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I've got an Acer Aspire V5-551G with a 64-bit AMD processor with dual boot,
  Windows 10 and Ubuntu 16.10.

  Ubuntu can be started and runs without problems with Linux kernel 4.4.0-45.
  When I try to start with any of the 4.8.0 kernels delivered with regular
  Ubuntu updates, they all hang after printing

    Läser in Linux 4.8.0-34-generic ...
    Läser in initial ramdisk ...

  Sorry for the partly Swedish text. I guess that the lines would start with
  "Loading" instead of "Läser in" on an English version.

  The behaviour is the same with all 4.8.0 versions up to the latest 4.8.0-34
  and with -generic, -generic (upstart) and -generic (recovery mode).

  After a while the fan runs at full speed, as if the processor is working
  hard, but nothing happens.

  After I've tried in vain to start with Linux 4.8.0-xx, and then starts
  with 4.4.0-45, the following errors are usually printed:

  [  2.511733] usb 4-3: string descriptor 0 read error: -22
  [  3.841872] [drm:radeon_scpi_init [radeon]] *ERROR* Cannot find backlight 
controller
  /dev/sda7: clean, 807007/9363456 files, 7364300/37423360 blocks
  [ 21.335117] usb 4-3: string descriptor 0 read error: -22

  When a successful start has not been immediately preceded by a failed start,
  only the line beginning "/dev/sda7" is printed.

  I have previously commented on bug #1635447. As recommended there, I've
  also tested with the upstream kernel 4.10-rc3. It worked just as bad as
  4.8.0.

  I tried to report this bug with 'ubuntu-bug linux' after I had booted with
  the 4.4.0-45 kernel, but I couldn't. It said that linux-image-4.4.0-45-
  generic is not an official Ubuntu package.

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