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[Wolf Rogner <war@xxxxxx>]

it works on the MBP 6,2 now with kernel 3.8.0.28

However I have a similar issue with a MacBook Pro with Retina display
(15").

In order to get the machine to sleep, I have to open system settings /
power management and just click on the button to sleep when the lid is
closed.

This does the trick.

I don't know what is done that suspend to RAM is so error prone these
days.

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https://bugs.launchpad.net/bugs/1072360

Title:
  [Macbook Pro 6,2] Suspend to RAM fails (non-free: nvidia wl)

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  After upgrading to 12.10 suspend to RAM does not work reliably any
  longer.

  Linux mbp 3.5.0-18-generic #29-Ubuntu SMP Fri Oct 19 10:26:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
  (on Macbook Pro 6,2)

  Symptoms:

  Closing the lid does not always lead to suspended state.

  Usually upowerd stops before this.

  Suspend from the menu works fine.

  Resume does not always bring a logon dialog either.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: linux-image-3.5.0-18-generic 3.5.0-18.29
  ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
  Uname: Linux 3.5.0-18-generic x86_64
  NonfreeKernelModules: nvidia wl
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  wolf       2736 F.... pulseaudio
   /dev/snd/controlC0:  wolf       2736 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Date: Sun Oct 28 15:07:09 2012
  HibernationDevice: RESUME=UUID=17a61deb-ab8c-4062-891d-fa3d524bcef8
  InstallationDate: Installed on 2011-10-16 (378 days ago)
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64+mac (20111012)
  MachineType: Apple Inc. MacBookPro6,2
  MarkForUpload: True
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-18-generic root=UUID=2b39cb95-fdbb-4e6c-80f4-d27c4394529c ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-18-generic N/A
   linux-backports-modules-3.5.0-18-generic  N/A
   linux-firmware                            1.95
  SourcePackage: linux
  UpgradeStatus: Upgraded to quantal on 2012-10-19 (8 days ago)
  dmi.bios.date: 07/26/10
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBP61.88Z.0057.B0C.1007261552
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-F22586C8
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookPro6,2
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-F22586C8
  dmi.modalias: dmi:bvnAppleInc.:bvrMBP61.88Z.0057.B0C.1007261552:bd07/26/10:svnAppleInc.:pnMacBookPro6,2:pvr1.0:rvnAppleInc.:rnMac-F22586C8:rvrMacBookPro6,2:cvnAppleInc.:ct10:cvrMac-F22586C8:
  dmi.product.name: MacBookPro6,2
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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