Confirming the behaviour stated by axeoth on 2012-09-26.
For some reasons, existing grub.cfg files on other partitions seem to
completely fool the update-grub scripts on other partitions (more
precise, the linux-boot-order script).
The problem still exists with Xenial Mate uname -a:
Linux
I strongly believe that the root cause is in the linux-boot-prober as it
returns a strange result when launched (from my Xubuntu Precise) against
a Xubuntu Quantal partition:
(verbatim copy)
$ sudo linux-boot-prober /dev/sda7 2 /dev/null
/dev/sda7:/dev/sda7:Ubuntu' --class ubuntu --class
Sorry, I have to step back. In my particular case, the problem was that
I also have launched sudo update-grub on my Quantal installation. And
this created a /boot/grub/grub.cfg file on my Quantal partition.
For some reasons, existing grub.cfg files on other partitions seem to
completely fool the
Ha =) sort | uniq made me smile this morning =) one would think you can
boot without that =)
I will check ubiquity code, but I don't think we run `update-grub` in a
normal way, due to having a weird environment (root from the squashfs on
the cd, instead of the target one). I think we only use
** Tags added: quantal
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https://bugs.launchpad.net/bugs/1017678
Title:
Duplicate entries in grub2 menu for second ubuntu installed on another
partition
To manage notifications about
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: ubiquity (Ubuntu)
Status: New = Confirmed
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Title:
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: os-prober (Ubuntu)
Status: New = Confirmed
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Title:
With the update to 3.5.0-2-generic in quantal, /boot/grub/grub.cfg was
generated. When running update-grub from the precise partition, the
grub2 menu is now correct without duplicates (plus additional recovery
mode entries).
So I guess this is only an issue after an initial install using:
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Title:
Duplicate entries in grub2 menu for second ubuntu installed on another
partition
To manage notifications about this bug go to:
** Bug watch added: Debian Bug tracker #649217
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=649217
** Also affects: os-prober (Debian) via
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=649217
Importance: Unknown
Status: Unknown
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** Changed in: os-prober (Debian)
Status: Unknown = New
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https://bugs.launchpad.net/bugs/1017678
Title:
Duplicate entries in grub2 menu for second ubuntu installed on another
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