[Bug 775507] Re: grub2 in natty fails to read xfs files

[Peter Cordes]

Is this still the case?  Natty is ancient.  I thought grub1 had learned
how to deal with Linux XFS.  (maybe with fsync and then FIEMAP, or the
xfs-specific ioctl that  xfs_bmap -vpl some_file  uses.  (output is
similar to filefrag -e, but shows you when there's a hole, instead of
leaving it up to the user to notice the discontinuity in logical
addresses.)

Please confirm that this still happens.  I didn't have any trouble when
installing 14.10 on an XFS root FS, but I had to install mdadm in the
chroot before grub-install worked for me.  So probably my filesystem
wasn't still dirty when GRUB tried to read it.

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Title:
  grub2 in natty fails to read xfs files

Status in grub2 package in Ubuntu:
  Incomplete

Bug description:
  Binary package hint: grub2

  Some change between maverick and natty caused grub2 to not be able to
  read files from a xfs filesystem anymore.

  when /boot is on a xfs filesystem, the system fails to load the
  initramfs with wired errors, like "can't read file", and so on.

  My guess is that some change in the linux-kernel, and how it writes
  files in a xfs-filesystem, because it generally happens to "new"
  files, ex after a kernel-upgrade it can't read the initramfs.

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