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Ubuntu 14.04 (trusty) Kernel 3.13.0-44-generic
HP laptop Compaq nx6325
A working suspend via Applications Menu/Log Out results in power switch green LED blinking on/off every few seconds.
The laptop will do this the first time after a reboot but then every second attempt to suspend results in power switch green LED staying on.
Screen goes black and have not found any key sequences that respond.
The only option is to hold the power switch down for several seconds to do a hard reset.
On restart it says...
System program problem detected
Report problem
Clicked above several times, nothing happens, eventually pop up(s) go away.
After this a dmesg doesn't seem to give clues - it does not even contain the word suspend for instance.
Following the reboot the laptop will now suspend correctly once, wake up ok but then fail to suspend when asked the second time. What clues to search for to suspend everytime?

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https://bugs.launchpad.net/bugs/781977

Title:
  Suspend only works once, fails second time

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Binary package hint: pm-utils

  had this problem now since 10.10 64 bit, and I was hoping it would go
  away in Natty 64 bit, but it didn't.

  In short: Suspend only works once, the second attempt at a suspend
  results in the monitor going blank as it was entering suspend, but the
  computer still running, as evidenced by the hard drive and fans still
  running. The computer can then not be awaken anymore, only a hard
  reset and subsequent reboot returns the PC to working state.

  When I check for errors after the first suspend, I see the following errors in the log:
  Code:

  [ 8461.100062] ahci 0000:05:00.0: failed to stop engine (-5)
  [ 8461.600062] ahci 0000:05:00.0: failed to stop engine (-5)
  [ 8463.170076] ata9: failed to resume link (SControl FFFFFFFF)
  [ 8463.170109] ata10: failed to resume link (SControl FFFFFFFF)
  [ 8467.510109] ata9: failed to resume link (SControl FFFFFFFF)
  [ 8467.510163] ata10: failed to resume link (SControl FFFFFFFF)

  So it seems to me that it has something to do with AHCI. I searched
  for this error in the forum, but I could not find anything. I also
  tried various suggestions, such as using uswsusp and the hibernate
  scripts, and including ahci in the suspend module lust. But each of
  the result in the exact same behavior: First suspend works fine,
  second suspend fails and reset is necessary.

  My Hardware configuration:
  - AMD Phenom II 965
  - GeForce GTX 460
  - GA-880GA-UD3H
  - 8 GB DDR RAM
  - SAMSUNG HD103SJ

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: pm-utils 1.4.1-7
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  Date: Thu May 12 22:09:42 2011
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_US:en
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: pm-utils
  UpgradeStatus: No upgrade log present (probably fresh install)

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