[Bug 1066068] [NEW] grub-probe /dev/dm-0 fails

[Aneesh Kumar K.V]

Public bug reported:

#/usr/sbin/grub-probe -v --device /dev/dm-0                                                                                                                        
/usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
/usr/sbin/grub-probe: info: Looking for /dev/dm-0.
/usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
/usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
/usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
/usr/sbin/grub-probe: info: Looking for /dev/dm-0.
/usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
/usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
/usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
/usr/sbin/grub-probe: info: Looking for /dev/dm-0.
/usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
/usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
/usr/sbin/grub-probe: error: cannot find a GRUB drive for /dev/dm-0.  Check your device.map.
root at skywalker:~#/usr/sbin/grub-probe -v --device /dev/mapper/boot-boot_32 
/usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
/usr/sbin/grub-probe: info: changing current directory to /dev.
/usr/sbin/grub-probe: info: changing current directory to v4l.
/usr/sbin/grub-probe: info: changing current directory to by-path.
/usr/sbin/grub-probe: info: changing current directory to by-id.
/usr/sbin/grub-probe: info: changing current directory to snd.
/usr/sbin/grub-probe: info: changing current directory to by-path.


both /dev/mapper/boot_boot_32 and /dev/dm-0 are same. wen i use dm-0 path grub-probe fails.

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

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https://bugs.launchpad.net/bugs/1066068

Title:
  grub-probe /dev/dm-0 fails

Status in “grub2” package in Ubuntu:
  New

Bug description:
  #/usr/sbin/grub-probe -v --device /dev/dm-0                                                                                                                        
  /usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
  /usr/sbin/grub-probe: info: Looking for /dev/dm-0.
  /usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
  /usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
  /usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
  /usr/sbin/grub-probe: info: Looking for /dev/dm-0.
  /usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
  /usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
  /usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
  /usr/sbin/grub-probe: info: Looking for /dev/dm-0.
  /usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
  /usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
  /usr/sbin/grub-probe: error: cannot find a GRUB drive for /dev/dm-0.  Check your device.map.
  root at skywalker:~#/usr/sbin/grub-probe -v --device /dev/mapper/boot-boot_32 
  /usr/sbin/grub-probe: info: /dev/dm-0 is an LVM.
  /usr/sbin/grub-probe: info: changing current directory to /dev.
  /usr/sbin/grub-probe: info: changing current directory to v4l.
  /usr/sbin/grub-probe: info: changing current directory to by-path.
  /usr/sbin/grub-probe: info: changing current directory to by-id.
  /usr/sbin/grub-probe: info: changing current directory to snd.
  /usr/sbin/grub-probe: info: changing current directory to by-path.

  
  both /dev/mapper/boot_boot_32 and /dev/dm-0 are same. wen i use dm-0 path grub-probe fails.

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