[Bug 524467] Re: MacBook 4, 1 screen remains black after opening the lid

[Matthew Paul Thomas]

** Summary changed:

- MacBook 4,1 resumes from suspend in 9.10 but not Lucid
+ MacBook 4,1 screen remains black after opening the lid

** Description changed:

- Problem occurs with: Ubuntu Lucid, all updates installed
+ Problem occurs with: Ubuntu Lucid, Linux kernel 2.6.32-16 and all other updates installed
  Does not occur with: Ubuntu 9.04, Ubuntu 9.10
  
  1. Close the lid of a MacBook.
  2. Wait ten seconds.
  3. Open the lid.
  
- What happens:
- 2. It suspends.
- 3. Nothing.
+ What happens: It wakes up, but the screen stays black.
+ What should happen: It wakes up and shows the unlock screen.
  
- What should happen:
- 2. It suspends.
- 3. It wakes up.
+ Workaround: After opening the lid, press Fn+Ctrl+Option+F1 (a text login
+ prompt will appear), then Fn+Option+F7 (the unlock screen will appear).
  
- This is not the same as bug 263419 or bug 399110 because Ubuntu 9.04 did
- not have the problem. And it is not the same as bug 469836 because
- Ubuntu 9.10 did not have the problem.
+ This was previously marked as a duplicate of bug 488328. It might be
+ related to bug 540134.
  
+ (Data from original report:)
  ProblemType: Bug
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  mpt        2184 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0x90700000 irq 20'
     Mixer name	: 'Realtek ALC889A'
     Components	: 'HDA:10ec0885,106b3600,00100103'
     Controls      : 34
     Simple ctrls  : 21
  Date: Fri Feb 19 14:59:53 2010
  DistroRelease: Ubuntu 10.04
  MachineType: Apple Inc. MacBook4,1
  NonfreeKernelModules: wl
  Package: linux-image-2.6.32-13-generic 2.6.32-13.18
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-13-generic root=UUID=11cc112e-2fe8-415f-91d5-fd68b0f8dc1f ro quiet splash
  ProcEnviron:
   LANGUAGE=en_GB.UTF-8
   PATH=(custom, user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.32-13.18-generic
  Regression: Yes
  RelatedPackageVersions: linux-firmware 1.29
  Reproducible: Yes
  RfKill:
   
  SourcePackage: linux
  TestedUpstream: No
  Uname: Linux 2.6.32-13-generic i686
  WpaSupplicantLog:
   
  dmi.bios.date: 02/09/08
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MB41.88Z.00C1.B00.0802091535
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Mac-F22788A9
  dmi.board.vendor: Apple Inc.
  dmi.board.version: PVT
  dmi.chassis.asset.tag: Asset Tag#
  dmi.chassis.type: 2
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-F22788A9
  dmi.modalias: dmi:bvnAppleInc.:bvrMB41.88Z.00C1.B00.0802091535:bd02/09/08:svnAppleInc.:pnMacBook4,1:pvr1.0:rvnAppleInc.:rnMac-F22788A9:rvrPVT:cvnAppleInc.:ct2:cvrMac-F22788A9:
  dmi.product.name: MacBook4,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

** Changed in: linux (Ubuntu)
       Status: Incomplete => New

** Changed in: linux (Ubuntu)
       Status: New => Confirmed

-- 
MacBook 4,1 screen remains black after opening the lid
https://bugs.launchpad.net/bugs/524467
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