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

[A Wartnaby]

Hi I have exactly the same problem with my HP 620 laptop. Have gone back
to 10.10 but am really keen for a solve as I have ongoing problems with
the battery and wireless which i am hoping will be fixed with 11.04. I
have installed on a Emachine with no problem at all.

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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:
  Confirmed
Status in “grub2” source package in Natty:
  Confirmed
Status in “grub2” source package in Oneiric:
  Confirmed

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.