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

[Stéphane Graber]

Ok, so I tried two different setups on Oneiric (in a VM):
 - Regular automated partitioning with LVM + cryptsetup => worked fine
 - Custom manual partitioning with just one primary bootable partition as a LVM physical volume containing one VG then containing two LVs, one for my root and another for my swap. => worked fine

So I'm not sure exactly what's wrong in your case and the information I
found attached to your bug reports doesn't let me replicate the bug.

I'd appreciate it if you could try with Oneiric (either daily or beta2).
The attach the following information (either from the installed system if it boots or from a livecd, mounting the target system):
 - brief description of the partitioning options you selected at install time
 - /var/log/installer/syslog
 - output of "dmesg"
 - output of "lspci -nnn"
 - output of "sudo parted -l"
 - output of "sudo lvdisplay -a"
 - /etc/default/grub
 - /boot/grub/grub.cfg

Thanks

** Changed in: grub2 (Ubuntu Oneiric)
       Status: Confirmed => Incomplete

** Changed in: grub2 (Ubuntu Natty)
       Status: Confirmed => Incomplete

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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

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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