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[Sebastien Bacher <seb128@xxxxxxxxxx>]

** Package changed: gnome-disk-utility (Ubuntu) => linux (Ubuntu)

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https://bugs.launchpad.net/bugs/1263257

Title:
  "Disks" formatted mounted disk ext4->NTFS without unmount, resulting
  in kernel panic

Status in linux package in Ubuntu:
  New

Bug description:
  gnome-disk-utility "Disks", version 3.6.1-1ubuntu1

  System in question:
     uname -a = 'Linux scorpio 3.8.0-19-generic #29-Ubuntu SMP Wed Apr 17 18:16:28 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux'
     lsb_release -a = 'Distributor ID:	LinuxMint
                                   Description:	Linux Mint 15 Olivia
                                   Release:	15
                                   Codename:	olivia'
     (This is Linux Mint 15 MATE edition)
     lsblk = 'NAME    MAJ:MIN RM   SIZE RO TYPE  MOUNTPOINT
                  sda       8:0    0 298.1G  0 disk
                 ├─sda1    8:1    0  15.3G  0 part  /
                 ├─sda2    8:2    0   2.8G  0 part  [SWAP]
                 ├─sda3    8:3    0  15.6G  0 part
                 ├─sda4    8:4    0   7.9M  0 part
                 └─sda5    8:5    0 264.5G  0 part  /home
                  sdb       8:16   0 465.8G  0 disk
                 └─sdb1    8:17   0 465.8G  0 part
                 └─md0   9:0    0 465.7G  0 raid1
                  sdc       8:32   0 698.7G  0 disk
                 ├─sdc1    8:33   0 465.8G  0 part
                 │ └─md0   9:0    0 465.7G  0 raid1
                 └─sdc2    8:34   0 232.9G  0 part  /media/ed/Spare
                  sdd       8:48   1   7.9G  0 disk
                 └─sdd1    8:49   1   7.9G  0 part  /media/ed/MEMSTICK

  Attempted to format partition in question (/dev/sdc2, /dev/sdb2 before
  reboot) from ext4 to NTFS, failed to unmount partition beforehand.
  Admittably a failure in proper user policy; but a frontend graphical
  program like "Disks" should know better than to have actually tried to
  preform said operation without doing an unmount first. Result was a
  partition which read 16EB (exabyte) ext3/ext4 in caja shell properties
  window. Attempt to unmount via caja shell resulted in kernel panic :(

  Clearly this is a very serious issue; anybody working on disk
  partioning could potentially make this mistake. Terminal format
  utilites would actually complain about mounted partitions-- the fact
  the "Disks" was able to format an in-use, mounted partition is very
  worrying.

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