I experience this issue as well on my desktop computer (shuttle xpc) since I 
recently installed a gfx-card with two digital outputs for a xinerama-setup and 
activated the nvidia-current driver. Before that I was using the internal 
graphics of my core i5 where everything worked fine (except that I couldn't 
connect my second monitor).
Now with the nvidia-driver, waking-up from suspend takes > 30s. First, the 
screen is black showing only the mouse pointer, which freezes repeatedly. Next, 
the mouse moves normally but it still takes several seconds until the 
locking-screen comes up. After unlocking, the unity bar shows colored noise 
until I hover over it which redraws it to its normal state.

Hope this will get fixed soon.

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/828761

Title:
  Resume from suspend takes much more time when nvidia-current driver is
  installed.

Status in Light Display Manager:
  Invalid
Status in Unity:
  Confirmed
Status in “compiz” package in Ubuntu:
  Confirmed
Status in “lightdm” package in Ubuntu:
  Invalid
Status in “nvidia-graphics-drivers” package in Ubuntu:
  Confirmed
Status in “unity” package in Ubuntu:
  Confirmed
Status in “xorg-server” package in Ubuntu:
  Incomplete

Bug description:
  Meanwhile only a cursor is visible but "enter password to unlock" window 
accepts keyboard input so it is actually active in background just isn't 
displayed. Maybe some GTK issue?
  BTW it worked fine on alpha 2.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: lightdm 0.9.3-0ubuntu3
  ProcVersionSignature: Ubuntu 3.0.0-8.11-generic 3.0.1
  Uname: Linux 3.0.0-8-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  Date: Thu Aug 18 15:33:06 2011
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  ProcEnviron:
   PATH=(custom, no user)
   LANG=pl_PL.UTF-8
   SHELL=/usr/bin/zsh
  SourcePackage: lightdm
  UpgradeStatus: Upgraded to oneiric on 2011-08-18 (0 days ago)
  modified.conffile..etc.lightdm.lightdm.conf: [modified]
  mtime.conffile..etc.lightdm.lightdm.conf: 2011-08-16T20:39:54.122603
  --- 
  .proc.driver.nvidia.gpus.0: Error: [Errno 21] Jest katalogiem: 
'/proc/driver/nvidia/gpus/0'
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.version:
   NVRM version: NVIDIA UNIX x86_64 Kernel Module  280.13  Wed Jul 27 16:53:56 
PDT 2011
   GCC version:  gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-9ubuntu2)
  .tmp.unity.support.test.0:
   
  ApportVersion: 1.23-0ubuntu1
  Architecture: amd64
  CompizPlugins: 
[core,bailer,detection,composite,opengl,imgjpeg,decor,compiztoolbox,regex,move,winrules,place,imgpng,mousepoll,resize,grid,vpswitch,gnomecompat,session,animation,wall,unitymtgrabhandles,workarounds,fade,thumbnail,expo,scale,scaleaddon,unityshell]
  CompositorRunning: compiz
  DistUpgraded: Log time: 2011-07-18 12:49:12.968254
  DistroCodename: oneiric
  DistroRelease: Ubuntu 11.10
  DistroVariant: ubuntu
  DkmsStatus:
   nvidia-current, 280.13, 3.0.0-10-generic, x86_64: installed
   nvidia-current, 280.13, 3.0.0-11-generic, x86_64: installed
   virtualbox, 4.1.2, 3.0.0-10-generic, x86_64: installed
   virtualbox, 4.1.2, 3.0.0-11-generic, x86_64: installed
   virtualbox, 4.1.2, 3.0.0-9-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
  GraphicsCard:
   nVidia Corporation GF108 [GeForce GT 425M] [10de:0df0] (rev a1) (prog-if 00 
[VGA controller])
     Subsystem: Sony Corporation Device [104d:907a]
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  JockeyStatus:
   xorg:nvidia_current - Sprzętowo przyspieszany sterownik grafiki NVIDIA 
(Własnościowy, Włączony, Używany)
   kmod:nvidia_current - nvidia_current (Własnościowy, Wyłączony, Nieużywany)
  MachineType: Sony Corporation VPCF1390X
  NonfreeKernelModules: nvidia
  Package: xorg-server (not installed)
  PackageArchitecture: amd64
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-11-generic 
root=UUID=0a9d93d9-414c-4222-9472-a3ee68458db1 ro nomodeset
  ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
  Tags:  oneiric running-unity oneiric running-unity ubuntu compiz-0.9
  Uname: Linux 3.0.0-11-generic x86_64
  UpgradeStatus: Upgraded to oneiric on 2011-09-22 (0 days ago)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 10/20/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: R0190Y9
  dmi.board.asset.tag: N/A
  dmi.board.name: VAIO
  dmi.board.vendor: Sony Corporation
  dmi.board.version: N/A
  dmi.chassis.asset.tag: N/A
  dmi.chassis.type: 10
  dmi.chassis.vendor: Sony Corporation
  dmi.chassis.version: N/A
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrR0190Y9:bd10/20/2010:svnSonyCorporation:pnVPCF1390X:pvrC607147L:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
  dmi.product.name: VPCF1390X
  dmi.product.version: C607147L
  dmi.sys.vendor: Sony Corporation
  mtime.conffile..etc.lightdm.lightdm.conf: 2011-09-15T12:21:00.886202
  version.compiz: compiz 1:0.9.5.94+bzr2803-0ubuntu5
  version.ia32-libs: ia32-libs 20090808ubuntu22
  version.libdrm2: libdrm2 2.4.26-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
  version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
  version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 
1:6.14.99~git20110811.g93fc084-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:0.0.16+git20110411+8378443-1

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