Public bug reported:

Lenovo ThinkCentre M71z(201112-10226)
Resuming from suspend cause display unable to display.
I have to switch to console(ctrl+alt+f1), then switch back(ctrl+alt+f7) to make 
the display to display normally.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-14-generic-pae 3.0.0-14.23
ProcVersionSignature: Ubuntu 3.0.0-14.23-generic-pae 3.0.9
Uname: Linux 3.0.0-14-generic-pae i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu3
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  ubuntu     1359 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'PCH'/'HDA Intel PCH at 0xfe600000 irq 45'
   Mixer name   : 'Intel CougarPoint HDMI'
   Components   : 'HDA:10ec0269,17aa307b,00100100 
HDA:80862805,80862805,00100000'
   Controls      : 16
   Simple ctrls  : 9
Date: Mon Dec 19 01:51:04 2011
HibernationDevice: RESUME=UUID=c1ece2c5-1b50-4943-b950-cd4d0954b101
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
IwConfig:
 lo        no wireless extensions.
 
 eth0      no wireless extensions.
MachineType: LENOVO 1782A7A
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-14-generic-pae 
root=UUID=7164ab99-6408-4573-b26f-f70abc0d5dac ro quiet splash initcall_debug 
vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.0.0-14-generic-pae N/A
 linux-backports-modules-3.0.0-14-generic-pae  N/A
 linux-firmware                                1.60
RfKill:
 
SourcePackage: linux
StagingDrivers: rts5139 mei
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
 
dmi.bios.date: 08/11/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 9PKT25AUS
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: To be filled by O.E.M.
dmi.board.vendor: LENOVO
dmi.board.version: To be filled by O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: 
dmi:bvnLENOVO:bvr9PKT25AUS:bd08/11/2011:svnLENOVO:pn1782A7A:pvrThinkCentreM71z:rvnLENOVO:rnTobefilledbyO.E.M.:rvrTobefilledbyO.E.M.:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: 1782A7A
dmi.product.version: ThinkCentre M71z
dmi.sys.vendor: LENOVO

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug blocks-hwcert i386 oneiric running-unity staging

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https://bugs.launchpad.net/bugs/906180

Title:
  [Lenovo M71z] resuming from suspend cause display unable to display

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