[Bug 703009] Re: grub-probe: error: cannot stat `aufs'.

[Wolfgang Griech]

guys, the main reason behind this problem is this f..cking Windows
FlexNet licensing program which writes into an absolute sector of the
first track of ur hard disk, in my case it was sector #48, other people
report #32 or #10. Grub detects this FlexNet sector and then refuses to
overwrite it with the grub boot loader, with the results u have seen and
described above!

so this ain't no ubuntu bug, and also not really a grub bug, this is due
to some program overwriting an area of the hard disk which normally is
being reserved for boot loaders etc., and not for some f..cking
licensing program..

pls see the following link:
http://ubuntuforums.org/showthread.php?t=1661254

all ur problems above are easily solvable by following the chroot part
of the comment #35 of this thread, and then erasing the FlexNet sector
by the method proposed by the link above, with all the restrictions that
are outlined there! So if u have an important program under Windows
which uses this FlexNet licensing scheme, that program might not be
working anymore, or the grub bootloader will be overwritten again some
time in the future! Real monkey business!!!!!!!!!!!!!!!

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https://bugs.launchpad.net/bugs/703009

Title:
  grub-probe: error: cannot stat `aufs'.

Status in “grub2” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: grub2

  I can no longer install/upgrade grub2:

  $ sudo grub-install --force /dev/sdb1
  /usr/sbin/grub-probe: error: cannot stat `aufs'.

  
  $ cat /proc/self/mountinfo
  14 22 0:14 / /sys rw,nosuid,nodev,noexec,relatime - sysfs none rw
  15 22 0:3 / /proc rw,nosuid,nodev,noexec,relatime - proc none rw
  16 22 0:5 / /dev rw,relatime - devtmpfs none rw,size=1917364k,nr_inodes=479341,mode=755
  17 16 0:11 / /dev/pts rw,nosuid,noexec,relatime - devpts none rw,gid=5,mode=620,ptmxmode=000
  18 14 0:15 / /sys/fs/fuse/connections rw,relatime - fusectl fusectl rw
  19 22 8:17 / /cdrom rw,relatime - vfat /dev/sdb1 rw,fmask=0022,dmask=0022,codepage=cp437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro
  20 22 7:0 / /rofs ro,noatime - squashfs /dev/loop0 ro
  22 1 0:16 / / rw,noatime - aufs aufs rw,si=f61b339350ef0b2d
  23 14 0:7 / /sys/kernel/debug rw,relatime - debugfs none rw
  24 14 0:10 / /sys/kernel/security rw,relatime - securityfs none rw
  25 16 0:17 / /dev/shm rw,nosuid,nodev,relatime - tmpfs none rw
  26 22 0:18 / /tmp rw,nosuid,nodev,relatime - tmpfs tmpfs rw
  27 22 0:19 / /var/run rw,nosuid,relatime - tmpfs none rw,mode=755
  28 22 0:20 / /var/lock rw,nosuid,nodev,noexec,relatime - tmpfs none rw
  29 15 0:21 / /proc/sys/fs/binfmt_misc rw,nosuid,nodev,noexec,relatime - binfmt_misc binfmt_misc rw
  31 22 0:22 / /home/ubuntu/.gvfs rw,nosuid,nodev,relatime - fuse.gvfs-fuse-daemon gvfs-fuse-daemon rw,user_id=999,group_id=999

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: grub2 (not installed)
  ProcVersionSignature: Ubuntu 2.6.37-12.26-generic 2.6.37
  Uname: Linux 2.6.37-12-generic x86_64
  Architecture: amd64
  Date: Fri Jan 14 18:50:37 2011
  LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110109)
  ProcEnviron:
   LANGUAGE=en_US.UTF-8:en
   LANG=en_US.UTF-8
   LC_MESSAGES=en_AG.utf8
   SHELL=/bin/bash
  SourcePackage: grub2

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