James Ferguson:

>"Description was updated to be totally inaccurate."

The original Description you inputted originally was precisely:
"The laptop appears to suspend/resume fine stand-alone, but if a DisplayPort 
monitor is connected, it does not."

Please take care when creating bug reports going forward, so folks don't
become confused as to the exact bug reproduction scenario.

>" To suggest disconnecting the monitor as a workaround is somewhat
unhelpful"

A WORKAROUND is not a suggestion but a fact, and helpful for those folks
who want to suspend now while waiting for a fix to be developed.

Despite this, as per http://support.lenovo.com/us/en/products/Laptops-
and-netbooks/ThinkPad-T-Series-laptops/ThinkPad-
T450s/20BX?tabName=Downloads&linkTrack=Mast:SubNav:Support:Drivers%20and%20Software|Drivers%20and%20Software&beta=false
an update to your computer's buggy, insecure, and outdated BIOS is
available (1.27). When you update to this following
https://help.ubuntu.com/community/BIOSUpdate how does this improve the
situation?

For more on BIOS updates and linux, please see
https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette
.

Please note your current BIOS is already in the Bug Description, so
posting this on the old BIOS would not be helpful.

Also, you don't have to create a new report.

It is most helpful that after the BIOS is updated, if the problem is still 
reproducible:
1) Please provide the output of the following terminal command (not perform an 
apport-collect):
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
2) Please make a comment specifically advising on how this improves the 
situation.
3) Please mark this report Status Confirmed.

If it's not reproducible, please mark this as Invalid.

Thank you for your help.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1649752

Title:
  [Lenovo ThinkPad T450s] Suspend is not triggered by closing lid when
  DisplayPort monitor connected

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  The laptop does not suspend on closing the lid, if a DisplayPort
  monitor is connected.  It does suspend normally on closing the lid if
  no external monitor is connected.

  Syslog notes:
  Dec 13 21:19:11 down kernel: [ 1627.804109] i915 0000:00:02.0: BAR 6: [??? 
0x00000000 flags 0x2] has bogus alignment

  WORKAROUND: Suspend using method other than lid-closing, e.g. using
  the System Menu on the desktop.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-53-generic 4.4.0-53.74
  ProcVersionSignature: Ubuntu 4.4.0-53.74-generic 4.4.30
  Uname: Linux 4.4.0-53-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  james     19076 F.... pulseaudio
   /dev/snd/controlC0:  james     19076 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Dec 13 21:16:56 2016
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2016-07-10 (156 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 
(20160420.1)
  MachineType: LENOVO 20BXCTO1WW
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-53-generic.efi.signed 
root=UUID=43c9674c-79b5-4ed6-b8fd-ea2a6c3d0947 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-53-generic N/A
   linux-backports-modules-4.4.0-53-generic  N/A
   linux-firmware                            1.157.5
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/27/2016
  dmi.bios.vendor: LENOVO
  dmi.bios.version: JBET56WW (1.21 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20BXCTO1WW
  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.modalias: 
dmi:bvnLENOVO:bvrJBET56WW(1.21):bd01/27/2016:svnLENOVO:pn20BXCTO1WW:pvrThinkPadT450s:rvnLENOVO:rn20BXCTO1WW:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.name: 20BXCTO1WW
  dmi.product.version: ThinkPad T450s
  dmi.sys.vendor: LENOVO

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