[Bug 992061] Re: USB Startup Disk Creator displays one USB device multiple times

[Stéphane Graber]

** Description changed:

  I have one USB storage device plugged in, and the USB startup disk
  creator displays the device (/dev/sdc) twice, and the partition
  (/dev/sdc1) seven times - twice with the current free space, twice with
  no value for free space, and three times with the full size of the
  device as the free space. I will try to attach a screenshot.
  
  The USB device is an HP v100w 8G flash thumb drive.
  
  I've only noticed the problem after I hit the 'Erase Disk' button (and I
  have seen it multiple times), but that may only be because I've only
  maximized the window after hitting that button; it may happen without
  hitting Erase Disk.
+ 
+ [rational]
+ When the UI updates on KDE, duplicate device entries are created.
+ 
+ [test case]
+ 1) Start usb creator using the KDE frontend
+ 2) Wipe a device or do another action triggering a refresh of the list
+ 3) Check for duplicates
+ 
+ [regression potential]
+ Fix has been in quantal for a while, although I'm not personally familiar with Qt, the change seems sane (one line). Worst case scenario would prevent the list from updating at all, so trivial to spot in verification.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: usb-creator-kde 0.2.38
  ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
  Uname: Linux 3.2.0-24-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: amd64
  Date: Mon Apr 30 12:33:17 2012
  ExecutablePath: /usr/bin/usb-creator-kde
  InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120424)
  InterpreterPath: /usr/bin/python2.7
  ProcEnviron:
-  PATH=(custom, user)
-  LANG=en_US.UTF-8
-  SHELL=/bin/bash
+  PATH=(custom, user)
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
  SourcePackage: usb-creator
  UpgradeStatus: No upgrade log present (probably fresh install)

** Changed in: usb-creator (Ubuntu Precise)
       Status: New => In Progress

** Changed in: usb-creator (Ubuntu Precise)
   Importance: Undecided => Low

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https://bugs.launchpad.net/bugs/992061

Title:
  USB Startup Disk Creator displays one USB device multiple times

Status in “usb-creator” package in Ubuntu:
  Fix Released
Status in “usb-creator” source package in Precise:
  In Progress
Status in “usb-creator” source package in Quantal:
  Fix Released

Bug description:
  I have one USB storage device plugged in, and the USB startup disk
  creator displays the device (/dev/sdc) twice, and the partition
  (/dev/sdc1) seven times - twice with the current free space, twice
  with no value for free space, and three times with the full size of
  the device as the free space. I will try to attach a screenshot.

  The USB device is an HP v100w 8G flash thumb drive.

  I've only noticed the problem after I hit the 'Erase Disk' button (and
  I have seen it multiple times), but that may only be because I've only
  maximized the window after hitting that button; it may happen without
  hitting Erase Disk.

  [rational]
  When the UI updates on KDE, duplicate device entries are created.

  [test case]
  1) Start usb creator using the KDE frontend
  2) Wipe a device or do another action triggering a refresh of the list
  3) Check for duplicates

  [regression potential]
  Fix has been in quantal for a while, although I'm not personally familiar with Qt, the change seems sane (one line). Worst case scenario would prevent the list from updating at all, so trivial to spot in verification.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: usb-creator-kde 0.2.38
  ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
  Uname: Linux 3.2.0-24-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: amd64
  Date: Mon Apr 30 12:33:17 2012
  ExecutablePath: /usr/bin/usb-creator-kde
  InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120424)
  InterpreterPath: /usr/bin/python2.7
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: usb-creator
  UpgradeStatus: No upgrade log present (probably fresh install)

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