Ubuntu
grub2 package

  1. Bug #1051306
  2. Comment #4

Comment 4 for bug 1051306

Revision history for this message
jose (o1485726) wrote : Re: windows not found unless partion is mounted

I got exactly the same issue.

root@machine:/# bash -x /usr/bin/os-prober
+ set -e
+ . /usr/share/os-prober/common.sh
++ cleanup_tmpdir=false
++ cleanup_ro_partitions=
++ progname=
++ type mapdevfs
+ newns
+ '[' '' ']'
+ exec /usr/lib/os-prober/newns /usr/bin/os-prober
/dev/sda1:Windows 7 (loader):Windows:chain
root@machine:/# umount /mnt/hda1
root@machine:/# bash -x /usr/bin/os-prober
+ set -e
+ . /usr/share/os-prober/common.sh
++ cleanup_tmpdir=false
++ cleanup_ro_partitions=
++ progname=
++ type mapdevfs
+ newns
+ '[' '' ']'
+ exec /usr/lib/os-prober/newns /usr/bin/os-prober
(no output)

I don't know what newns does.