[Bug 1525572] [NEW] update-grub segmentation fault

[Patrick G]

Public bug reported:

After I installed Ubuntu 15.10 as a dual-boot with elementary 0.3.1 (I
did not install the bootloader for Ubuntu), update-grub fails when ran
from elementary OS.

Grub version: 2.02~beta2-9ubuntu1.5+elementary10~ubuntu0.3.2.1

Output of sudo update-grub:

Generating grub configuration file ...
Found linux image: /boot/vmlinuz-3.19.0-39-generic
Found initrd image: /boot/initrd.img-3.19.0-39-generic
Found linux image: /boot/vmlinuz-3.19.0-37-generic
Found initrd image: /boot/initrd.img-3.19.0-37-generic
Found linux image: /boot/vmlinuz-3.19.0-33-generic
Found initrd image: /boot/initrd.img-3.19.0-33-generic
Found Ubuntu 15.10 (15.10) on /dev/sda5
Found unknown Linux distribution on /dev/sdb3
Found Ubuntu 15.10 (15.10) on /dev/sda5
Found unknown Linux distribution on /dev/sdb3
Adding boot menu entry for EFI firmware configuration
Found linux image: /boot/vmlinuz-3.19.0-39-generic
Found initrd image: /boot/initrd.img-3.19.0-39-generic
Found linux image: /boot/vmlinuz-3.19.0-37-generic
Found initrd image: /boot/initrd.img-3.19.0-37-generic
Found linux image: /boot/vmlinuz-3.19.0-33-generic
Found initrd image: /boot/initrd.img-3.19.0-33-generic
Found Ubuntu 15.10 (15.10) on /dev/sda5
Found unknown Linux distribution on /dev/sdb3
Adding boot menu entry for EFI firmware configuration
Segmentation fault (core dumped)

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

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https://bugs.launchpad.net/bugs/1525572

Title:
  update-grub segmentation fault

Status in grub2 package in Ubuntu:
  New

Bug description:
  After I installed Ubuntu 15.10 as a dual-boot with elementary 0.3.1 (I
  did not install the bootloader for Ubuntu), update-grub fails when ran
  from elementary OS.

  Grub version: 2.02~beta2-9ubuntu1.5+elementary10~ubuntu0.3.2.1

  Output of sudo update-grub:

  Generating grub configuration file ...
  Found linux image: /boot/vmlinuz-3.19.0-39-generic
  Found initrd image: /boot/initrd.img-3.19.0-39-generic
  Found linux image: /boot/vmlinuz-3.19.0-37-generic
  Found initrd image: /boot/initrd.img-3.19.0-37-generic
  Found linux image: /boot/vmlinuz-3.19.0-33-generic
  Found initrd image: /boot/initrd.img-3.19.0-33-generic
  Found Ubuntu 15.10 (15.10) on /dev/sda5
  Found unknown Linux distribution on /dev/sdb3
  Found Ubuntu 15.10 (15.10) on /dev/sda5
  Found unknown Linux distribution on /dev/sdb3
  Adding boot menu entry for EFI firmware configuration
  Found linux image: /boot/vmlinuz-3.19.0-39-generic
  Found initrd image: /boot/initrd.img-3.19.0-39-generic
  Found linux image: /boot/vmlinuz-3.19.0-37-generic
  Found initrd image: /boot/initrd.img-3.19.0-37-generic
  Found linux image: /boot/vmlinuz-3.19.0-33-generic
  Found initrd image: /boot/initrd.img-3.19.0-33-generic
  Found Ubuntu 15.10 (15.10) on /dev/sda5
  Found unknown Linux distribution on /dev/sdb3
  Adding boot menu entry for EFI firmware configuration
  Segmentation fault (core dumped)

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