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[Bug 1276674] Re: Suspend works flawlessly however resume leads to a checker board screen rather that lightdm

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Alberto Milone <alberto.milone@xxxxxxxxxxxxx>
Date: Mon, 31 Mar 2014 08:19:08 -0000
Reply-to: Bug 1276674 <1276674@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

This sounds a bit like LP: #1210077 .

@Dave: are you still able to reproduce it?

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Title:
  Suspend works flawlessly however resume leads to a checker board
  screen rather that lightdm

Status in “linux” package in Ubuntu:
  Confirmed
Status in “nvidia-graphics-drivers-331” package in Ubuntu:
  Confirmed

Bug description:
  Upon installing nvidia-331 and nvidia-prime if I suspend the laptop
  everything goes down as expected.  However upon resume I get a
  checkerboard style page rather than the lightdm login page.

  If I disable the nvidia stuff from the optimus box and just have the
  intel gfx running suspend and resume work again.

  
  Please note that the issue only seems to happen when the nvidia discreet gfx card is in use.  If the device is switched to intel only then it doesn't.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: nvidia-331 331.38-0ubuntu3
  ProcVersionSignature: Ubuntu 3.13.0-7.25-generic 3.13.1
  Uname: Linux 3.13.0-7-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.2-0ubuntu2
  Architecture: amd64
  Date: Wed Feb  5 15:57:56 2014
  InstallationDate: Installed on 2014-01-10 (26 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140109)
  SourcePackage: nvidia-graphics-drivers-331
  UpgradeStatus: No upgrade log present (probably fresh install)
  ---
  ApportVersion: 2.13.2-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  davmor2    2204 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=62804170-83e5-4cc9-9a1f-98ddc77cd5b4
  InstallationDate: Installed on 2014-01-10 (26 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140109)
  MachineType: LENOVO 2099
  Package: nvidia-graphics-drivers-331
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-7-generic.efi.signed root=UUID=587783ba-5cab-4b34-8a3d-77044efe5185 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.13.0-7.25-generic 3.13.1
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-7-generic N/A
   linux-backports-modules-3.13.0-7-generic  N/A
   linux-firmware                            1.123
  Tags:  trusty
  Uname: Linux 3.13.0-7-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 08/23/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 5DCN89WW(V8.00)
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: INVALID
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900003WIN8 STD MLT
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo IdeaPad Y580
  dmi.modalias: dmi:bvnLENOVO:bvr5DCN89WW(V8.00):bd08/23/2012:svnLENOVO:pn2099:pvrLenovoIdeaPadY580:rvnLENOVO:rnINVALID:rvr31900003WIN8STDMLT:cvnLENOVO:ct10:cvrLenovoIdeaPadY580:
  dmi.product.name: 2099
  dmi.product.version: Lenovo IdeaPad Y580
  dmi.sys.vendor: LENOVO

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