Public bug reported:

Hi,

I have noticed this issue after a wakeup from a hibernate usually. Today
I had been using the laptop after a successful wake and then I updated
the kernel today using apt-get updated. I went to the console window
using Ctrl+Alt+F1 and on trying to return to the GUI window using
Ctrl+Alt+F7 I saw this issue.

I have gathered the information using ubuntu-bug linux after the reboot.
Hope this suffices.

BTW on launch pad it no longer allows me to specify the package as
linux-kernel though the search shows it. Thought I did bring it to your
notice.

Thanks,
Mayank

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: linux-image-3.5.0-21-generic 3.5.0-21.32
ProcVersionSignature: Ubuntu 3.5.0-21.32-generic 3.5.7.1
Uname: Linux 3.5.0-21-generic x86_64
ApportVersion: 2.6.1-0ubuntu9
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  mayankr    2439 F.... pulseaudio
 /dev/snd/pcmC0D0c:   mayankr    2439 F...m pulseaudio
 /dev/snd/pcmC0D0p:   mayankr    2439 F...m pulseaudio
Date: Wed Dec 19 18:43:44 2012
HibernationDevice: RESUME=UUID=564591e5-57fe-461a-8a09-2c31fdbbf2ee
MachineType: LENOVO 2768GZ9
MarkForUpload: True
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-21-generic 
root=UUID=420a15eb-4d65-4f15-9c15-1ccc3dee8556 ro quiet splash
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-3.5.0-21-generic N/A
 linux-backports-modules-3.5.0-21-generic  N/A
 linux-firmware                            1.95
RfKill:
 0: phy0: Wireless LAN
        Soft blocked: yes
        Hard blocked: yes
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/06/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 7UET91WW (3.21 )
dmi.board.name: 2768GZ9
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: 
dmi:bvnLENOVO:bvr7UET91WW(3.21):bd12/06/2010:svnLENOVO:pn2768GZ9:pvrThinkPadT400:rvnLENOVO:rn2768GZ9:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2768GZ9
dmi.product.version: ThinkPad T400
dmi.sys.vendor: LENOVO

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


** Tags: amd64 apport-bug quantal

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https://bugs.launchpad.net/bugs/1092123

Title:
  Ubuntu 12.10 - the screen starts blinking after a hibernate or upgrade

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