[Bug 978028] Re: os-prober fails to recognize Windows 8

Markus Werle numerical.simulation at web.de
Thu Sep 13 21:42:12 UTC 2012


Hi!

Problem remains in 12.04: Windows 8 probe leads to an entry similar to
this one

menuentry "Windows 8 (loader) (on /dev/sda3)" --class windows --class os {
        insmod part_msdos
        insmod ntfs
        set root='(hd0,msdos3)'
        search --no-floppy --fs-uuid --set=root 882A5ED92A5EC43A
        drivemap -s (hd0) ${root}
        chainloader +1
}


which fails to boot. This manual entry can boot windows 8

menuentry "Windows 8 Release Preview" {
   set root=(hd0,msdos3)
   ntldr /bootmgr
}

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https://bugs.launchpad.net/bugs/978028

Title:
  os-prober fails to recognize Windows 8

Status in “os-prober” package in Ubuntu:
  Fix Released

Bug description:
  GRUB os-prober fails to recognize Windows 8 partitions. To reproduce:
  Install Windows 8. Attempt to use OS-prober(at setup or otherwise).
  Find that Windows 8 is not a boot option in GRUB.

  Linked to question #193141


  Processor: Intel® Core™ i5-2400 CPU @ 3.10GHz × 4 
  Graphics: Intel® Sandybridge Desktop  
  64-bit Ubuntu 11.10

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