Public bug reported:
Following this bug: https://bugs.launchpad.net/ubuntu/+source/usb-
creator/+bug/1497445
I discovered that usb-creator-gtk fails to unmount the ISO image it was
using when I hit the Quit button.
Sometimes it at least unmounts the sqashfs mount it creates on the usb
stick, sometimes not.
after I discovered this after a couple failed attempts, and I manually
unmounted the ISO images. I then attempted to create a usb drive again,
and again, after it failed, I discovered that the ISO was still mounted:
/home/bladernr/Downloads/ubuntu-15.04-desktop-amd64.iso on
/tmp/tmpwilfzjih type iso9660 (ro)
To recreate this, you have to get it to fail per bug 1497445 and use the
Quit button in the error dialog box, then check with the mount command
to see the ISO still mounted.
Interestingly, after I did a 15.04, I tried a Wily image and discovered
that it not only left the Vivid ISO mounted when it failed, it also left
both the wily image mounted as well as the squashfs from the wily
attempt.
/home/bladernr/Downloads/ubuntu-15.04-desktop-amd64.iso on /tmp/tmpwilfzjih
type iso9660 (ro)
/home/bladernr/Downloads/wily-desktop-amd64.iso on /tmp/tmp4mpvpci9 type
iso9660 (ro)
/media/bladernr/0EA3-4910/casper/filesystem.squashfs on /tmp/tmpn7qmccps type
squashfs (ro)
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: usb-creator-gtk 0.2.56.3ubuntu0.2
ProcVersionSignature: Ubuntu 3.13.0-62.101-generic 3.13.11-ckt24
Uname: Linux 3.13.0-62-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Sep 18 16:33:44 2015
InstallationDate: Installed on 2012-03-15 (1282 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120307)
SourcePackage: usb-creator
UpgradeStatus: Upgraded to trusty on 2014-04-20 (516 days ago)
** Affects: usb-creator (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug package-from-proposed third-party-packages trusty
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https://bugs.launchpad.net/bugs/1497449
Title:
usb-creator-gtk fails to clean up after itself after failed
installation
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