[Bug 954790] [NEW] Windows 7 detected by os-prober, but not by GRUB2

[YannUbuntu]

Public bug reported:

Dual-boot WIndows7 / Ubuntu.  HP ProBook 4330s.

After upgrading from 11.04 to 11.10:
- the GRUB menu did not display the Windows7 entry any more.

- os-prober returns: 
/dev/sda1:Windows Recovery Environment (loader):Windows:chain

- update-grub returns:
Generating grub.cfg ...
Found background image: TranscodedWallpaper.jpg
Found linux image: /boot/vmlinuz-3.0.0-16-generic
Found initrd image: /boot/initrd.img-3.0.0-16-generic
Found linux image: /boot/vmlinuz-2.6.38-8-generic
Found initrd image: /boot/initrd.img-2.6.38-8-generic
done


(Bug reported by a French new user: http://forum.ubuntu-fr.org/viewtopic.php?pid=8470831 )

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: New

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to grub2 in Ubuntu.
https://bugs.launchpad.net/bugs/954790

Title:
  Windows 7 detected by os-prober, but not by GRUB2

Status in “grub2” package in Ubuntu:
  New

Bug description:
  Dual-boot WIndows7 / Ubuntu.  HP ProBook 4330s.

  After upgrading from 11.04 to 11.10:
  - the GRUB menu did not display the Windows7 entry any more.

  - os-prober returns: 
  /dev/sda1:Windows Recovery Environment (loader):Windows:chain

  - update-grub returns:
  Generating grub.cfg ...
  Found background image: TranscodedWallpaper.jpg
  Found linux image: /boot/vmlinuz-3.0.0-16-generic
  Found initrd image: /boot/initrd.img-3.0.0-16-generic
  Found linux image: /boot/vmlinuz-2.6.38-8-generic
  Found initrd image: /boot/initrd.img-2.6.38-8-generic
  done

  
  (Bug reported by a French new user: http://forum.ubuntu-fr.org/viewtopic.php?pid=8470831 )

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/954790/+subscriptions