Re: [Mactel-linux-users] Restoring Linux after the Snow Leopard to Lion upgrade, USB stick info

[Justin P. M. <jus...@gm...>]

On 08/19/2011 07:52 PM, Marvin Stodolsky wrote:
> My Mac2010 MacBook under Leopard had 4 partitions:
> Disk /dev/sda: 160.0 GB, 160041885696 bytes
> 255 heads, 63 sectors/track, 19457 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> ------------------------------------------------------------------
>   Device Boot      Start         End      Blocks   Id  System
> /dev/sda1               1          26      204819+  ee  GPT << EFI boot
> chooser
> /dev/sda2   *          26        9670    77463552   af  HFS / HFS+ << MAC
> /dev/sda3            9670       16044    51196928   83  Linux << Ubuntu
> /dev/sda4           16044       19458    27423744    b  W95 FAT32 <<
> common storage
>
> The installer-Lion upgrade failed, without useful details.
> Eventually the problem proved to be that the upgrade wants to create a
> small Recovery Partition,
> while the GPT disk only supports 4 partitions. Thus one had to be first
> sacrificed to run the upgrade.
>
> After saving data files, /etc/apt, & /etc/fstab , I deleted the Linux
> partition with Gparted. The installer-Lion upgrade was then trouble
> free, with the vfat  Recovery Partition just behind the Mac partition
>
> http://support.apple.com/kb/HT4848  instructs how to transnd then to
> reinstall Ubuntu,
> with essentially the same final disk structure as above.  Therefrom
> under Ubuntu, this email is sent.
>
> Minor aside.
> ========== ===
> The USB Recovery supported bootup when the Option key was
> pressed. Also the EFI boot chooser recognized this USB.  Here is the USB
> info:
>
> $ mount /dev/sdb1
> /dev/sdb1 on /media/Recovery HD type hfsplus
> (rw,nosuid,nodev,uhelper=udisks)
>
> $ df /dev/sdb1
> Filesystem           1K-blocks      Used Available Use% Mounted on
> /dev/sdb1               634768    488112    146656  77% /media/Recovery HD
> on a 2 Gig USB stick
>
> $ ls -lh /media/"Recovery HD"
> total 0
> drwxr-xr-x 1 root root 10 2011-08-19 10:59 com.apple.recovery.boot
>
> $ ls -lh /media/"Recovery HD"/com.apple.recovery.boot
> total 455M
> -rw-r--r-- 1 root   80 1.9K 2011-06-30 02:55 BaseSystem.chunklist
> -rw-r--r-- 1 root   80 431M 2011-06-30 02:47 BaseSystem.dmg
> -rw-r--r-- 1 root root 839K 2011-06-30 02:04 boot.efi
> -rw-r--r-- 1 root root  361 2011-08-19 10:59 com.apple.Boot.plist
> -rw-r--r-- 1 root root  23M 2011-06-30 01:41 kernelcache
> -rw-r--r-- 1 root root 2.2K 2011-06-15 21:06 PlatformSupport.plist
> -r--r--r-- 1 root root  475 2011-06-29 23:42 SystemVersion.plist
>
> Another USB stick boot competent on PCs failed on the MAC, so the
> hfsplus formatting is necessary.
> Has anyone made a USB with Linux bootable on MACs?
>
> MarvS
>

my two iMac9,1's will boot via usb stick, but my MacBookPro2,2 will not.
(simply creat usb bootable device within ubuntu etc..)seems something 
with the bios preventing the macbook from working(ieee1394 will work 
with osx but not linux)

hope this helps.

Justin P. Mattock