[Bug 863134] Re: Kernel update fails due to grub update

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: grub (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/863134

Title:
  Kernel update fails due to grub update

Status in Linux Terminal Server Project:
  Fix Released
Status in “grub” package in Ubuntu:
  Confirmed
Status in “ltsp” package in Ubuntu:
  Fix Released

Bug description:
  LTSP client is running Ubuntu 11.04

  I had problems during an update in the chroot that wanted to update to
  kernel 2.6.38-11.50. This was the first time a kernel update was
  performed on this image so it's the first time I could run into this
  problem.

  The installation process runs /etc/kernel/postinst.d/zz-update-grub,
  which exits with an error because it can't find the root partition.
  There is no root partition mounted because the update is performed in
  chroot.

  I had the same problem when I tried to perform the update on a running
  client system. In this case the problem was due to root being on an
  aufs disk rather than on an actual harddisk.

  I came to the conclusion that an LTSP image doesn't have to have a
  working grub because it doesn't boot from disk. My solution: „chmod -x
  /etc/kernel/postinst.d/zz-update-grub“.

  If my thinking is correct I suggest that zz-update-grub be removed
  from the directory when the LTSP client tree is first created.

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