[Bug 745960] Re: Cannot boot GRUB on Intel Mac after installing to LVM

[Vishvas Chitale]

Grub2 cannot install boot  on  VM version 4

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https://bugs.launchpad.net/bugs/745960

Title:
  Cannot boot GRUB on Intel Mac after installing to LVM

Status in Release Notes for Ubuntu:
  Invalid
Status in Release Notes for Ubuntu oneiric series:
  New
Status in Release Notes for Ubuntu precise series:
  Invalid
Status in “grub2” package in Ubuntu:
  Fix Released
Status in “grub2” source package in Natty:
  Incomplete
Status in “grub2” source package in Oneiric:
  Incomplete
Status in “grub2” source package in Precise:
  Fix Released

Bug description:
  Binary package hint: debian-installer

  TEST CASE:
  http://testcases.qa.ubuntu.com/Install/AlternateEncryptedLvm

  I'm using kubuntu-alternate-amd64+mac.iso from 2011-03-29.1 on a
  MacBookPro6.2

  The installation runs as expected. No errors are reported. After
  rebooting, grub does not load. It's not that grub does not load linux,
  but rather that the hardware never passes control to the grub menu. It
  stays at the grey mac boot screen, as if there were no operating
  systems. Holding 'Alt' during boot, which is the standard way to boot
  when only Linux is installed on the Mac, offers no partition to boot.

  Installing the same system in the same manner without an encrypted LVM
  works fine. I did not test installing an unencrypted LVM.

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