This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:

apport-collect 1723785

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

** Tags added: zesty

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https://bugs.launchpad.net/bugs/1723785

Title:
  'cat /sys/class/power_supply/BAT0/capacity' hangs indefinitely (Dell
  XPS15, Ubuntu 17.04 w/kernel 4.10.0-37-generic)

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  On performing 'cat /sys/class/power_supply/BAT0/capacity' there is a
  freeze in the terminal, no error message, no feedback. This works just
  fine with kernel 4.10.0-21-generic.

  Also, I cannot do 'sudo systemctl suspend' with 4.10.0-37-generic
  (this also works fine with 4.10.0-21-generic.

  Additionally, with any kernel later than 4.10.0-21-generic, I need to
  have 'nouveau.modeset=0' in the GRUB_CMDLINE_LINUX_DEFAULT for it to
  boot (not needed with the 4.10.0-21 kernel.

  Hardware = Dell XPS15 (9560) with Ubuntu 17.04 up-to-date.

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