freeze during installing Ubuntu 12.04.1 64 bits+mac alternate or desktop

Bug #1076100 reported by sx1
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
os-prober (Ubuntu)
New
Undecided
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Bug Description

Hi,

On an aluminimum iMac late 2009
using ubuntu 10.04 uptodate before bug.

installing ubuntu 12.04.1 64 bits+mac (but without +mac flavor was iddle), (with alternate or desktop flavor : iddle) with a cd
every thinks goods during installation
but at grub stage of the process
trying to install Grub (1.99)
OS-prober (1.51ubuntu3) see the new ubuntu install but freeze after, trying to referencing Mac-Os.
after removing Mac-os (HFS+ partition erase) : all gone good.
also I was during installation when freeze come, I have any crash report I think.
SX1

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