Grub menu flashes and disappears

[Olivier - interfaSys]

A test netbook had Windows 7 and Kubuntu 12.4 on it.
A fresh install of ubuntu 12.4 has replaced Windows 7.
Grub2 now only flashes briefly and loads the default OS

Both OS have the same name in Grub, but are on different partitions (sda1 and sda8).

Repairing Grub, un-hiding the menu, setting a long timeout, pressing keys, nothing works. The only way to switch OS is to edit the boot menu.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: grub2 (not installed)
ProcVersionSignature: Ubuntu 3.2.0-20.33-generic-pae 3.2.12
Uname: Linux 3.2.0-20-generic-pae i686
ApportVersion: 2.0-0ubuntu1
Architecture: i386
Date: Sun Apr 1 00:27:55 2012
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386 (20120328)
ProcEnviron:
 TERM=xterm
 SHELL=/bin/bash
 LANG=en_GB.UTF-8
 LANGUAGE=en_GB:en
SourcePackage: grub2
UpgradeStatus: No upgrade log present (probably fresh install)

[Olivier - interfaSys (olivier-interfasys)]

When doing an update-grub, I can see this entry for Kubuntu in the terminal
Found Ubuntu precise (development branch) (12.04) on /dev/sda8

But there is no sign of this entry in the generated grub.cfg
The /boot partition of that Kubuntu install is /dev/sda6

[Olivier - interfaSys (olivier-interfasys)]

Grub2 for Kubuntu is installed on /dev/sda6 so as to avoid conflicts

[Launchpad Janitor (janitor)]

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

[Ajoy Bhatia (ajoy-bhatia)]

I am stuck with the same issue. In my case, I had Windows 7 on one partition and Ubuntu 11 on the other, and grub menu selection worked fine. After I updated Ubuntu to 12.04 LTS (Precise Pangolin), I have the same problem. Tried Boot-Repair, pressing Shift and Esc keys, changed timeout to 10 and then -1 in /etc/default/grub. No change in behavior.

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

[Expired for grub2 (Ubuntu) because there has been no activity for 60 days.]