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** Changed in: linux (Ubuntu)
       Status: New => Confirmed

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  Machine will not correctly enter Suspend state (Thinkpad X1 5th gen,

Status in linux package in Ubuntu:

Bug description:
  Steps to reproduce: 
  On a Thinkpad X1 Carbon running 18.04 bionic
  Attempt to suspend (using the the 'manual suspend' option from Gnome 
settings, hold down 'power' until changes to 'pause' symbol')

  Expected behaviour:
  machine goes into suspend state, display off, fans off, power led blinking 
slowing to indicate can be woken only by pressing power button

  Actual behaviour:
  - display goes off
  - fans shut down
  - physical power button led starts to flash slowing
  - i.e.  machine otherwise appears to go into normal 'suspend' state
  - however, after approximate 1 second, without touching anything:
  - the display wakes back up at the lock screen
  - power led comes back on full
  - machine is back out of suspend, without touching keys or mouse

  Other notes:
  - would appear to be 18.04 specific, as works find under 18.10
  - Lenovo bios version 1.35

  Possibly similiar to
  but they report removing TLP solves problem (my machine does not have TLP 
installed) and they report dmesg errors that I do not see.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-39-generic 4.15.0-39.42
  ProcVersionSignature: Ubuntu 4.15.0-39.42-generic 4.15.18
  Uname: Linux 4.15.0-39-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
   /dev/snd/controlC0:  dchalmers   3237 F.... pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Dec  5 09:00:25 2018
  InstallationDate: Installed on 2018-11-22 (12 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 004: ID 138a:0097 Validity Sensors, Inc. 
   Bus 001 Device 003: ID 13d3:5682 IMC Networks 
   Bus 001 Device 002: ID 8087:0a2b Intel Corp. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 20HRCTO1WW
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-39-generic 
root=/dev/mapper/system-root ro quiet splash vt.handoff=1
   linux-restricted-modules-4.15.0-39-generic N/A
   linux-backports-modules-4.15.0-39-generic  N/A
   linux-firmware                             1.173.2
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install) 09/10/2018
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N1MET50W (1.35 )
  dmi.board.asset.tag: Not Available 20HRCTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40709 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
dmi:bvnLENOVO:bvrN1MET50W(1.35):bd09/10/2018:svnLENOVO:pn20HRCTO1WW:pvrThinkPadX1Carbon5th:rvnLENOVO:rn20HRCTO1WW:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrNone: ThinkPad X1 Carbon 5th 20HRCTO1WW
  dmi.product.version: ThinkPad X1 Carbon 5th
  dmi.sys.vendor: LENOVO

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