[Bug 1361474] Re: [SRU] Error erasing device when there is dos partition table but no partition

[Yu Ning]

Timo, thanks for assigning the bug to me, just to double confirm it,
what am I supposed to do next? According to the wiki [1] now it's time
to get some sponsors to upload the patch? Please let me know whatever I
should do to get the job done, I'm so glad to have the chance to make
usb-creator better, it's a very important tool to me.

[1]: https://wiki.ubuntu.com/StableReleaseUpdates#Procedure

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https://bugs.launchpad.net/bugs/1361474

Title:
  [SRU] Error erasing device when there is dos partition table but no
  partition

Status in usb-creator package in Ubuntu:
  Fix Released
Status in usb-creator source package in Trusty:
  In Progress

Bug description:
  [Impact]
  Unable to erase the device if there's a partition table but no partitions.

  [Test Case]

  Steps to reproduce:
  1. prepare an usbstick with dos partition table but no partition, this can be done with gparted
  2. erase the usbstick with usb-creator-gtk or usb-creator-kde

  Expected result:
  The usbstick is successfully erased (and a partition should be created)

  Actual result:
  An error message is popped up:

  org.freedesktop.DBus.Python.gi._glib.GError: 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 239, in Format
      block.call_format_sync('dos', GLib.Variant('a{sv}', {}), None)
  gi._glib.GError: GDBus.Error:org.freedesktop.UDisks2.Error.Failed: Error synchronizing after initial wipe: Timed out waiting for object

  [Regression Potential]

  Should not affect negatively the normal use case (=usb stick with
  partition table, one partition vfat formatted).

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