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[szotman <szotman@xxxxxxxxx>]

I can confirm reboot issue with NUC5CPYH under Linux (no post, no signal
on monitor). Tested with PY0043, 44 and 47, problem affects ~20 devices
at me. Have you tried unplug ethernet cable? This somehow "fixes" the
problem. Maybe this could guide for a solution?

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https://bugs.launchpad.net/bugs/1522201

Title:
  NUC NUC5CPYH Does not reboot on Ubuntu 15.10 (linux-image-4.2.0-19)

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I have an Intel NUC NUC5CPYH. This is the unit:
  http://www.intel.com/content/www/us/en/nuc/nuc-kit-nuc5cpyh.html

  It boots and reboots beautifully on Ubuntu 15.04 and Ubuntu 15.10 with
  linux-image-3.19.0-34-generic -- but when I try to boot with linux-
  image-4.2.0-19-generic on the latest PY0044 BIOS version, it freezes
  on boot almost every time, reported bug here:
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1521749

  If I downgrade the BIOS to PY0043, it boots most of the time, but when
  I run "reboot" it freezes almost every single time. This is what I see
  on the screen when it freezes:

  https://www.dropbox.com/s/fxy4opcqwnmjmwo/IMG_1489.jpg?dl=0

  I am also attaching the full syslog, dmesg and the relevant part of
  the syslog when the system froze.

  I tried to boot with acpi_osi="Windows 2013" as well as Windows 2015
  and Windows 2009, that did not seem to make any difference.

  Any ideas?

  ---
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  DistroRelease: Ubuntu 15.10

  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-19-generic root=UUID=4fa37335-eed0-4580-ae4b-62c996dfc275 ro vt.handoff=7
  ProcVersionSignature: Ubuntu 4.2.0-19.23-generic 4.2.6
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-19-generic N/A
   linux-backports-modules-4.2.0-19-generic  N/A
   linux-firmware                            1.149.3
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  wily
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  Uname: Linux 4.2.0-19-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

  _MarkForUpload: True
  dmi.bios.date: 09/04/2015
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: PYBSWCEL.86A.0043.2015.0904.1904
  dmi.board.name: NUC5CPYB
  dmi.board.vendor: Intel Corporation
  dmi.board.version: H61145-404
  dmi.chassis.type: 3
  dmi.modalias: dmi:bvnIntelCorp.:bvrPYBSWCEL.86A.0043.2015.0904.1904:bd09/04/2015:svn:pn:pvr:rvnIntelCorporation:rnNUC5CPYB:rvrH61145-404:cvn:ct3:cvr:

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