[Bug 674841] Re: os-prober 1.40 doesn't detect another ubuntu installation anymore

[Axel Beckert]

With the os-prober version from maverick (1.39) installed on oneiric, it
looks like this:

U 58/0/2 root at loadrunner:pts/0 03:18:30 [~] # os-prober /dev/sda5
/dev/sda5:Debian GNU/Linux (wheezy/sid):Debian:linux
U 59/0/2 root at loadrunner:pts/0 03:18:38 [~] # linux-boot-prober /dev/sda5
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 3.1.0-rc7-686-pae:/boot/vmlinuz-3.1.0-rc7-686-pae:/boot/initrd.img-3.1.0-rc7-686-pae:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 3.1.0-rc7-686-pae (single-user mode):/boot/vmlinuz-3.1.0-rc7-686-pae:/boot/initrd.img-3.1.0-rc7-686-pae:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro single
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 3.1.0-rc6-686-pae:/boot/vmlinuz-3.1.0-rc6-686-pae:/boot/initrd.img-3.1.0-rc6-686-pae:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 3.1.0-rc6-686-pae (single-user mode):/boot/vmlinuz-3.1.0-rc6-686-pae:/boot/initrd.img-3.1.0-rc6-686-pae:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro single
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 3.1.0-rc4-686-pae:/boot/vmlinuz-3.1.0-rc4-686-pae:/boot/initrd.img-3.1.0-rc4-686-pae:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 3.1.0-rc4-686-pae (single-user mode):/boot/vmlinuz-3.1.0-rc4-686-pae:/boot/initrd.img-3.1.0-rc4-686-pae:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro single
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 3.0.0-1-686-pae:/boot/vmlinuz-3.0.0-1-686-pae:/boot/initrd.img-3.0.0-1-686-pae:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 3.0.0-1-686-pae (single-user mode):/boot/vmlinuz-3.0.0-1-686-pae:/boot/initrd.img-3.0.0-1-686-pae:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro single
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 3.0.0-rc6-686-pae:/boot/vmlinuz-3.0.0-rc6-686-pae:/boot/initrd.img-3.0.0-rc6-686-pae:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 3.0.0-rc6-686-pae (single-user mode):/boot/vmlinuz-3.0.0-rc6-686-pae:/boot/initrd.img-3.0.0-rc6-686-pae:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro single
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.39-2-686-pae:/boot/vmlinuz-2.6.39-2-686-pae:/boot/initrd.img-2.6.39-2-686-pae:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.39-2-686-pae (single-user mode):/boot/vmlinuz-2.6.39-2-686-pae:/boot/initrd.img-2.6.39-2-686-pae:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro single
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.39-1-686-pae:/boot/vmlinuz-2.6.39-1-686-pae:/boot/initrd.img-2.6.39-1-686-pae:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.39-1-686-pae (single-user mode):/boot/vmlinuz-2.6.39-1-686-pae:/boot/initrd.img-2.6.39-1-686-pae:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro single
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.38-2-686:/boot/vmlinuz-2.6.38-2-686:/boot/initrd.img-2.6.38-2-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.38-2-686 (single-user mode):/boot/vmlinuz-2.6.38-2-686:/boot/initrd.img-2.6.38-2-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro single
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.37-2-686:/boot/vmlinuz-2.6.37-2-686:/boot/initrd.img-2.6.37-2-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.37-2-686 (single-user mode):/boot/vmlinuz-2.6.37-2-686:/boot/initrd.img-2.6.37-2-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro single
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.37-trunk-686:/boot/vmlinuz-2.6.37-trunk-686:/boot/initrd.img-2.6.37-trunk-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.37-trunk-686 (single-user mode):/boot/vmlinuz-2.6.37-trunk-686:/boot/initrd.img-2.6.37-trunk-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro single
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.36-trunk-686:/boot/vmlinuz-2.6.36-trunk-686:/boot/initrd.img-2.6.36-trunk-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.36-trunk-686 (single-user mode):/boot/vmlinuz-2.6.36-trunk-686:/boot/initrd.img-2.6.36-trunk-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro single
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.35-trunk-686:/boot/vmlinuz-2.6.35-trunk-686:/boot/initrd.img-2.6.35-trunk-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.35-trunk-686 (single-user mode):/boot/vmlinuz-2.6.35-trunk-686:/boot/initrd.img-2.6.35-trunk-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro single
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.34-1-686:/boot/vmlinuz-2.6.34-1-686:/boot/initrd.img-2.6.34-1-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.34-1-686 (single-user mode):/boot/vmlinuz-2.6.34-1-686:/boot/initrd.img-2.6.34-1-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro single
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.33-2-686:/boot/vmlinuz-2.6.33-2-686:/boot/initrd.img-2.6.33-2-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.33-2-686 (single-user mode):/boot/vmlinuz-2.6.33-2-686:/boot/initrd.img-2.6.33-2-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro single
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.32-5-686:/boot/vmlinuz-2.6.32-5-686:/boot/initrd.img-2.6.32-5-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.32-5-686 (single-user mode):/boot/vmlinuz-2.6.32-5-686:/boot/initrd.img-2.6.32-5-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro single
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.32-4-686:/boot/vmlinuz-2.6.32-4-686:/boot/initrd.img-2.6.32-4-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.32-4-686 (single-user mode):/boot/vmlinuz-2.6.32-4-686:/boot/initrd.img-2.6.32-4-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro single
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.31-1-686:/boot/vmlinuz-2.6.31-1-686:/boot/initrd.img-2.6.31-1-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel 2.6.31-1-686 (single-user mode):/boot/vmlinuz-2.6.31-1-686:/boot/initrd.img-2.6.31-1-686:root=UUID=42e2321b-f075-42d8-8223-d13a9d45f3ab ro single
/dev/sda5:/dev/sda1:Debian GNU/Linux, kernel memtest86+:/boot/memtest86+.bin::
U 60/0/2 root at loadrunner:pts/0 03:18:45 [~] #

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https://bugs.launchpad.net/bugs/674841

Title:
  os-prober 1.40 doesn't detect another ubuntu installation anymore

Status in “os-prober” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: os-prober

  On Natty development release, os-prober doesn't detect another Ubuntu
  installation on a separate partition, whereas previous maverick
  version does. It's clearly a regression.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: os-prober 1.40
  ProcVersionSignature: Ubuntu 2.6.36-1.7-generic-pae 2.6.36
  Uname: Linux 2.6.36-1-generic-pae i686
  NonfreeKernelModules: nvidia
  Architecture: i386
  CheckboxSubmission: c4273c0f4f2b8d26cd6bf31cadfd2912
  CheckboxSystem: a871981cb5bdf4d6ebd55be46becf77e
  Date: Sat Nov 13 11:49:07 2010
  EcryptfsInUse: Yes
  ProcEnviron:
   SHELL=/bin/bash
   LANG=fr_FR.UTF-8
   LANGUAGE=fr_FR:fr:en_GB:en
  SourcePackage: os-prober

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