[Bug 1731977] [NEW] progress is misleading due to disk buffer

[Marco Biscaro]

Public bug reported:

The progress of the disk creation is misleading due to disk buffer.

The progress bar fills up in seconds and then the process is stuck on
"Finishing" phase for several minutes, while the data is actually
written to disk.

This is bad UX and can cause confusion to users.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: usb-creator-common 0.3.2 [modified: usr/share/usb-creator/usb-creator-helper]
ProcVersionSignature: Ubuntu 4.10.0-38.42~16.04.1-generic 4.10.17
Uname: Linux 4.10.0-38-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
CurrentDesktop: Unity
Date: Mon Nov 13 14:37:57 2017
InstallationDate: Installed on 2016-11-12 (365 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
SourcePackage: usb-creator
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: usb-creator (Ubuntu)
     Importance: Undecided
     Assignee: Marco Biscaro (marcobiscaro2112)
         Status: In Progress


** Tags: amd64 apport-bug xenial

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

** Changed in: usb-creator (Ubuntu)
     Assignee: (unassigned) => Marco Biscaro (marcobiscaro2112)

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https://bugs.launchpad.net/bugs/1731977

Title:
  progress is misleading due to disk buffer

Status in usb-creator package in Ubuntu:
  In Progress

Bug description:
  The progress of the disk creation is misleading due to disk buffer.

  The progress bar fills up in seconds and then the process is stuck on
  "Finishing" phase for several minutes, while the data is actually
  written to disk.

  This is bad UX and can cause confusion to users.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: usb-creator-common 0.3.2 [modified: usr/share/usb-creator/usb-creator-helper]
  ProcVersionSignature: Ubuntu 4.10.0-38.42~16.04.1-generic 4.10.17
  Uname: Linux 4.10.0-38-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Nov 13 14:37:57 2017
  InstallationDate: Installed on 2016-11-12 (365 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  SourcePackage: usb-creator
  UpgradeStatus: No upgrade log present (probably fresh install)

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