Comment 100 for bug 774089

It's here: http://support.apple.com/kb/HT1237
As per this article:
http://pubmem.wordpress.com/2011/04/09/flash-efi-firmware-update-manually-on-a-macbook-51/
That article totally saved my ass -- good luck! :)

On 23 July 2011 16:12, Patryk Nadrowski <email address hidden> wrote:

> I also have this bug on my MB6,1... Maybe You know someone with copy of
> Firmware for 6,1?
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/774089
>
> Title:
> Booting fails 3 times, works every fourth time after new install of
> Natty Narwhal amd64 on Macbook Pro
>
> Status in EFI Boot Manager:
> New
> Status in Release Notes for Ubuntu:
> New
> Status in “grub2” package in Ubuntu:
> Confirmed
>
> Bug description:
> Dear all,
>
> I am experiencing a severe problem after a new install of Natty
> Narwhal on my Macbook Pro last night:
>
> The install worked fine, but after reboot nothing came up except fo a
> black screen.
> After forcing the machine off and on multiple times I was able to bring up
> the rEFIt boot menu by pressing and holding the 'Alt' (or Option) key and I
> can then boot into MacOSX or Ubuntu without a problem.
>
> After restarting / powering off I then have to turn the computer on /
> off the same number of times (3 or 4, I don't remember exactly) where
> nothing happens until it works again.
>
> I am using a MacbookPro 5,5 (13.3 Inch). My harddisk is setup as follows:
> 200MB Partition for EFI
> 20GB Partition for OSX
> 18.6 GB Partition for / (ext4)
> 108.49 GB Partition for /home (ext4)
> 1.86 GB Partition for swap
>
> Other people also seem to experience the same issue:
> http://ubuntuforums.org/showthread.php?p=10743955&posted=1#post10743955
>
> This is a pretty big problem for me, so your help is very much
> appreciated.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 11.04
> Package: linux-image-2.6.38-8-generic 2.6.38-8.42
> ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
> Uname: Linux 2.6.38-8-generic x86_64
> NonfreeKernelModules: nvidia wl
> AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
> Architecture: amd64
> ArecordDevices:
> **** List of CAPTURE Hardware Devices ****
> card 0: NVidia [HDA NVidia], device 0: Cirrus Analog [Cirrus Analog]
> Subdevices: 1/1
> Subdevice #0: subdevice #0
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC0: paul 1487 F.... pulseaudio
> CRDA: Error: [Errno 2] No such file or directory
> Card0.Amixer.info:
> Card hw:0 'NVidia'/'HDA NVidia at 0xd3480000 irq 20'
> Mixer name : 'Cirrus Logic CS4206'
> Components : 'HDA:10134206,106b4d00,00100301'
> Controls : 17
> Simple ctrls : 10
> Date: Sat Apr 30 14:53:06 2011
> HibernationDevice: RESUME=UUID=55afdc53-85cf-4d37-98c6-fbdd4f1c8482
> InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64
> (20110427.1)
> MachineType: Apple Inc. MacBookPro5,5
> ProcEnviron:
> LANGUAGE=en_US:en
> PATH=(custom, user)
> LANG=en_US.UTF-8
> SHELL=/bin/bash
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic
> root=UUID=3aad2af7-44e6-4e93-8055-7e1818600eac ro quiet splash vt.handoff=7
> RelatedPackageVersions:
> linux-restricted-modules-2.6.38-8-generic N/A
> linux-backports-modules-2.6.38-8-generic N/A
> linux-firmware 1.52
> SourcePackage: linux
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 06/15/09
> dmi.bios.vendor: Apple Inc.
> dmi.bios.version: MBP55.88Z.00AC.B03.0906151708
> dmi.board.asset.tag: Base Board Asset Tag#
> dmi.board.name: Mac-F2268AC8
> dmi.board.vendor: Apple Inc.
> dmi.chassis.asset.tag: Asset Tag#
> dmi.chassis.type: 10
> dmi.chassis.vendor: Apple Inc.
> dmi.chassis.version: Mac-F2268AC8
> dmi.modalias:
> dmi:bvnAppleInc.:bvrMBP55.88Z.00AC.B03.0906151708:bd06/15/09:svnAppleInc.:pnMacBookPro5,5:pvr1.0:rvnAppleInc.:rnMac-F2268AC8:rvr:cvnAppleInc.:ct10:cvrMac-F2268AC8:
> dmi.product.name: MacBookPro5,5
> dmi.product.version: 1.0
> dmi.sys.vendor: Apple Inc.
>
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