1. How come the incompatible update was installed on my system? Doesn't
Ubuntu automatically do incompatibility detection?
No. Once you enable a PPA with untested software, you are on your own.
2. Why is gdk-pixbuf incompatible, if it is not in the list of the
packages that were updated and thus caused this issue?
Because glib2.0 changed things that gdk-pixbuf was depending on I would
guess.
3. I already tried (prior to submitting this bug) to downgrade the
packages I installed but had no luck. The reason is that package
dependencies force me to remove hundreds of packages in my system that
depend on the packages I want to downgrade.
You can remove packages installed by a PPA with the ppa-purge command:
$ sudo ppa-purge ppa:webupd8team/gvfs-libmtp
I am closing this bug, since the problem is caused by incompatible software in
a PPA.
** Changed in: gtk+3.0 (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1295220
Title:
Images can't be viewed system-wide after libgtk3 update
Status in “gtk+3.0” package in Ubuntu:
Invalid
Bug description:
After recent upgrade of several packages, I got issues with image
viewing, and these issues are system wide. Namely, many of system
images (unity, gnome, indicators etc.) can't be loaded and a default
dummy image is shown instead. No desktop background, no Unity icons,
no way to open an image using standard image viewer.
Here is the update that ruined the system (/var/log/apt/history.log):
Start-Date: 2014-03-18 17:22:01
Commandline: aptdaemon role='role-commit-packages' sender=':1.573'
Upgrade: gir1.2-gtk-3.0:amd64 (3.4.2-0ubuntu0.6, 3.4.2-0ubuntu0.7),
update-manager:amd64 (0.156.14.11, 0.156.14.12), librsvg2-common:amd64
(2.36.1-0ubuntu1, 2.36.1-0ubuntu1.1), update-manager-core:amd64 (0.156.14.11,
0.156.14.12), libgtk-3-bin:amd64 (3.4.2-0ubuntu0.6, 3.4.2-0ubuntu0.7),
libgtk-3-0:amd64 (3.4.2-0ubuntu0.6, 3.4.2-0ubuntu0.7), libgail-3-0:amd64
(3.4.2-0ubuntu0.6, 3.4.2-0ubuntu0.7), librsvg2-2:amd64 (2.36.1-0ubuntu1,
2.36.1-0ubuntu1.1), libgtk-3-common:amd64 (3.4.2-0ubuntu0.6, 3.4.2-0ubuntu0.7)
End-Date: 2014-03-18 17:22:07
Also, see screenshots for more details.
There's another issue that looks like a "light" twin brother of mine: [Bug
1294271] [NEW] image not copied to clipboard
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: libgtk-3-0 3.4.2-0ubuntu0.7
ProcVersionSignature: Ubuntu 3.8.0-37.53~precise1-generic 3.8.13.18
Uname: Linux 3.8.0-37-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
Date: Thu Mar 20 16:47:02 2014
InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64
(20130820.1)
MarkForUpload: True
SourcePackage: gtk+3.0
UpgradeStatus: No upgrade log present (probably fresh install)
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