[Bug 1485417] [NEW] Make Startup Disk fails to wipe disk

[Dan Kegel]

Public bug reported:

Using a Kingston DataTraveller 16GB stick, I ran into an error dialog / hang on "Erase Disk".
Here's one flavor of the problem (be careful)

1) wipefs -a /dev/sdc
2) usb-creator-gtk
3) click 'Erase Disk'
4) give your password
5) scratch head and click 'Erase Disk' again

Expected: disk declared erased
Observed: error dialog saying
"org.freedesktop.DBus.Python.AttributeError: Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/dbus/service.py", line 707, in _message_cb
    retval = candidate_method(self, *args, **keywords)
  File "/usr/share/usb-creator/usb-creator-helper", line 292, in Format
    block = obj.get_block()
AttributeError: 'NoneType' object has no attribute 'get_block'"

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: usb-creator-gtk 0.2.67ubuntu0.1
Uname: Linux 4.0.0-040000-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
CurrentDesktop: Unity
Date: Sun Aug 16 21:30:34 2015
InstallationDate: Installed on 2015-04-04 (134 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326)
SourcePackage: usb-creator
UDisksDump: Error: [Errno 2] No such file or directory: 'udisks'
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: usb-creator (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug vivid

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https://bugs.launchpad.net/bugs/1485417

Title:
  Make Startup Disk fails to wipe disk

Status in usb-creator package in Ubuntu:
  New

Bug description:
  Using a Kingston DataTraveller 16GB stick, I ran into an error dialog / hang on "Erase Disk".
  Here's one flavor of the problem (be careful)

  1) wipefs -a /dev/sdc
  2) usb-creator-gtk
  3) click 'Erase Disk'
  4) give your password
  5) scratch head and click 'Erase Disk' again

  Expected: disk declared erased
  Observed: error dialog saying
  "org.freedesktop.DBus.Python.AttributeError: Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/dbus/service.py", line 707, in _message_cb
      retval = candidate_method(self, *args, **keywords)
    File "/usr/share/usb-creator/usb-creator-helper", line 292, in Format
      block = obj.get_block()
  AttributeError: 'NoneType' object has no attribute 'get_block'"

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: usb-creator-gtk 0.2.67ubuntu0.1
  Uname: Linux 4.0.0-040000-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sun Aug 16 21:30:34 2015
  InstallationDate: Installed on 2015-04-04 (134 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326)
  SourcePackage: usb-creator
  UDisksDump: Error: [Errno 2] No such file or directory: 'udisks'
  UpgradeStatus: No upgrade log present (probably fresh install)

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