Public bug reported:

Tested on HP ProBook 450 G1 notebook with Linux Mint 17 (based on Ubuntu
14.04) on a lot of kernel versions up to 4.4.0-47-generic #68~14.04.1.

While resuming from stand-by works perfectly, resuming from hibernation
does not work out-of-the-box (after unlocking the hard disk with dm-
crypt, the screen remains black).

To make resume from hibernate work, the "acpi_osi=Linux" kernel boot
parameter must be used.

Using it successfully right now with kernel version "Ubuntu
4.4.0-47.68~14.04.1-generic 4.4.24".

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Incomplete


** Tags: xenial

** Attachment added: "lspci-vnvn.log"
   
https://bugs.launchpad.net/bugs/1701081/+attachment/4904896/+files/lspci-vnvn.log

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https://bugs.launchpad.net/bugs/1701081

Title:
  HP ProBook 450 G1, resume from hibernate does not work unless
  acpi_osi=Linux boot parameter is used

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