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

[Dirk Räder]

Tested in a VirtualBox environment with Precise's daily from 2012-07-16.
The issue is still there.

Host:
Windows 7 Enterprise Service Pack 1 x64
Intel Core2 Quad Q6600 @ 2.40 GHz
8 GB RAM

VM:
2 CPUs; 2048 MB RAM
IO-APIC enabled; Hardware clock in UTC
VT-x / AMD-V active; nested paging active

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

Title:
  Cannot boot GRUB after installing to LVM

Status in Release Notes for Ubuntu:
  New
Status in “grub2” package in Ubuntu:
  Incomplete
Status in “grub2” source package in Natty:
  Incomplete
Status in “grub2” source package in Oneiric:
  Incomplete
Status in “grub2” source package in Precise:
  Incomplete

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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