[Bug 772470] Re: os-prober doesn't detect Windows partition but the recovery partition instead

[Steve Langasek]

** Changed in: ubiquity (Ubuntu Precise)
     Assignee: Ubuntu Installer Team (ubuntu-installer) => Stéphane Graber (stgraber)

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https://bugs.launchpad.net/bugs/772470

Title:
  os-prober doesn't detect Windows partition but the recovery partition
  instead

Status in “ubiquity” package in Ubuntu:
  Triaged
Status in “ubiquity” source package in Oneiric:
  Won't Fix
Status in “ubiquity” source package in Precise:
  Triaged

Bug description:
  Binary package hint: os-prober

  With the following setup
  Disque /dev/sda : 38913 cylindres, 255 têtes, 63 secteurs/piste
  Unités= cylindres de 8225280 octets, blocs de 1024 octets, décompte à partir de 0

     Périph Amor Début     Fin   #cyls    #blocs    Id  Système
  /dev/sda1          0+     12      13-    104391   de  Dell Utility
  /dev/sda2   *     13+   1925-   1913-  15360000    7  HPFS/NTFS
  /dev/sda3       1925+  19790-  17866- 143505752    7  HPFS/NTFS
  /dev/sda4      19790+  38913-  19123- 153598976    7  HPFS/NTFS

  sda1: Manufacturer utilities
  sda2: Recovery
  sda3: Windows7
  sda4: Additional primary partition

  os-prober returns sda2 instead of sda3. 
  This has the following consequences with ubiquity:
  1. Wubi is not proposed as an option
  2. Migration assistant is skipped

  Excepted sda4 this is the default partitioning scheme from the
  manufacturer

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: os-prober 1.44ubuntu1
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  Architecture: amd64
  Date: Thu Apr 28 17:34:56 2011
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  ProcEnviron:
   LANGUAGE=fr_FR:en
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  SourcePackage: os-prober
  UpgradeStatus: No upgrade log present (probably fresh install)

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