Vorta hangs indefinitely after trying to select source files or folder to backup #884

stderr-mila · 2021-02-21T18:29:42Z

stderr-mila
Feb 21, 2021

Describe the bug
When trying to select source files or directories to backup, Vorta hangs indefinitely after the file/folder picker window is closed. There is no way to exit it except kill -9 from the CLI.

To Reproduce
Steps to reproduce the behavior:

Go to "Sources Tab"
Click on "Add File(s)" or "Add Folder"
Either close the file picker window without picking any file or pick some files/folder
Click "Ok"
When the file picker is closed, selected files/folders are not added to Vorta ; Vorta's GUI doens't work anymore

Environment 1:

OS: Debian buster (Gnome 3.30.2)
Vorta version: 7.0.2
Installed from: Flathub

Environment 2 (exact same issue on another environement):

OS: Ubuntu 20.04.2 (Gnome 3.36.8)
Vorta version: 7.0.2
Installed from: Flathub

Additional context
It looks like this issue is not isolated, see these reports from the Debian software center:

Edit
(I ignore if it is related)
After uninstalling the flapak package and installing Vorta from pip, trying to start it from the CLI throws the following error (and Vorta is never started):

export QT_DEBUG_PLUGINS=1
borg-env/bin/vorta

QFactoryLoader::QFactoryLoader() checking directory path "/home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() looking at "/home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqeglfs.so"
Found metadata in lib /home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqeglfs.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "eglfs"
        ]
    },
    "archreq": 0,
    "className": "QEglFSIntegrationPlugin",
    "debug": false,
    "version": 331520
}


Got keys from plugin meta data ("eglfs")
QFactoryLoader::QFactoryLoader() looking at "/home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqlinuxfb.so"
Found metadata in lib /home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqlinuxfb.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "linuxfb"
        ]
    },
    "archreq": 0,
    "className": "QLinuxFbIntegrationPlugin",
    "debug": false,
    "version": 331520
}


Got keys from plugin meta data ("linuxfb")
QFactoryLoader::QFactoryLoader() looking at "/home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqminimal.so"
Found metadata in lib /home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqminimal.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "minimal"
        ]
    },
    "archreq": 0,
    "className": "QMinimalIntegrationPlugin",
    "debug": false,
    "version": 331520
}


Got keys from plugin meta data ("minimal")
QFactoryLoader::QFactoryLoader() looking at "/home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqminimalegl.so"
Found metadata in lib /home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqminimalegl.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "minimalegl"
        ]
    },
    "archreq": 0,
    "className": "QMinimalEglIntegrationPlugin",
    "debug": false,
    "version": 331520
}


Got keys from plugin meta data ("minimalegl")
QFactoryLoader::QFactoryLoader() looking at "/home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqoffscreen.so"
Found metadata in lib /home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqoffscreen.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "offscreen"
        ]
    },
    "archreq": 0,
    "className": "QOffscreenIntegrationPlugin",
    "debug": false,
    "version": 331520
}


Got keys from plugin meta data ("offscreen")
QFactoryLoader::QFactoryLoader() looking at "/home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqvnc.so"
Found metadata in lib /home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqvnc.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "vnc"
        ]
    },
    "archreq": 0,
    "className": "QVncIntegrationPlugin",
    "debug": false,
    "version": 331520
}


Got keys from plugin meta data ("vnc")
QFactoryLoader::QFactoryLoader() looking at "/home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqwayland-egl.so"
Found metadata in lib /home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqwayland-egl.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "wayland-egl"
        ]
    },
    "archreq": 0,
    "className": "QWaylandEglPlatformIntegrationPlugin",
    "debug": false,
    "version": 331520
}


Got keys from plugin meta data ("wayland-egl")
QFactoryLoader::QFactoryLoader() looking at "/home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqwayland-generic.so"
Found metadata in lib /home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqwayland-generic.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "wayland"
        ]
    },
    "archreq": 0,
    "className": "QWaylandIntegrationPlugin",
    "debug": false,
    "version": 331520
}


Got keys from plugin meta data ("wayland")
QFactoryLoader::QFactoryLoader() looking at "/home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqwayland-xcomposite-egl.so"
Found metadata in lib /home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqwayland-xcomposite-egl.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "wayland-xcomposite-egl"
        ]
    },
    "archreq": 0,
    "className": "QWaylandXCompositeEglPlatformIntegrationPlugin",
    "debug": false,
    "version": 331520
}


Got keys from plugin meta data ("wayland-xcomposite-egl")
QFactoryLoader::QFactoryLoader() looking at "/home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqwayland-xcomposite-glx.so"
Found metadata in lib /home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqwayland-xcomposite-glx.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "wayland-xcomposite-glx"
        ]
    },
    "archreq": 0,
    "className": "QWaylandXCompositeGlxPlatformIntegrationPlugin",
    "debug": false,
    "version": 331520
}


Got keys from plugin meta data ("wayland-xcomposite-glx")
QFactoryLoader::QFactoryLoader() looking at "/home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqwebgl.so"
Found metadata in lib /home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqwebgl.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "webgl"
        ]
    },
    "archreq": 0,
    "className": "QWebGLIntegrationPlugin",
    "debug": false,
    "version": 331520
}


Got keys from plugin meta data ("webgl")
QFactoryLoader::QFactoryLoader() looking at "/home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqxcb.so"
Found metadata in lib /home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqxcb.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "xcb"
        ]
    },
    "archreq": 0,
    "className": "QXcbIntegrationPlugin",
    "debug": false,
    "version": 331520
}


Got keys from plugin meta data ("xcb")
QFactoryLoader::QFactoryLoader() checking directory path "/home/username/borg-env/bin/platforms" ...
Cannot load library /home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqxcb.so: (libxcb-util.so.1: cannot open shared object file: No such file or directory)
QLibraryPrivate::loadPlugin failed on "/home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqxcb.so" : "Cannot load library /home/username/borg-env/lib/python3.7/site-packages/PyQt5/Qt/plugins/platforms/libqxcb.so: (libxcb-util.so.1: cannot open shared object file: No such file or directory)"
qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, webgl, xcb.

zsh: abort      borg-env/bin/vorta

Answered by stderr-mila

Feb 22, 2021

After further digging, this is the related ticket on QT's bug tracker.

Even though the flatpak package does have (possibly unrelated) issues itself, it looks like there is an independent issue preventing Vorta from working on Debian even when installed from pip (you didn't have the issue because you used unstable that does have the missing library).

This workaround did the trick for me on Debian buster (but it may have undesired side effects as it creates a symlink from one version to another):

sudo ln -fs /usr/lib/x86_64-linux-gnu/libxcb-util.so.0.0.0 /usr/lib/x86_64-linux-gnu/libxcb-util.so.1.0.0
sudo ln -fs /usr/lib/x86_64-linux-gnu/libxcb-util.so.0.0.0 /usr/lib/x86_64-linux-gnu/libxcb…

View full answer

m3nu · 2021-02-22T01:06:57Z

m3nu
Feb 22, 2021
Maintainer

If Flatpak doesn't work and doesn't get support, it would be better to remove it for now. What do you think, @Hofer-Julian ? Better than having those bad reviews.

0 replies

stderr-mila · 2021-02-22T01:12:56Z

stderr-mila
Feb 22, 2021
Author

Hello @m3nu, note that I have had issues running Vorta directly when installed via pip as well (see my edit).
Don't know if the flatpak package highlights an underlying issue or not.

0 replies

m3nu · 2021-02-22T01:37:08Z

m3nu
Feb 22, 2021
Maintainer

Your bug report is about Gnome. The comments both mention KDE.

I have Debian Unstable and Kubuntu 20.04 here as VMs using KDE and Fedora using Gnome. I don't get the mentioned issue on any of those VMs. (Pip install)

So what do you suggest as next steps to reproduce and address the issue? I'm a bit at a loss here.

0 replies

stderr-mila · 2021-02-22T01:49:19Z

stderr-mila
Feb 22, 2021
Author

I do not know.

As explained, I first installed Vorta via flatpak, I had the freeze issue (both on Debian and Ubuntu in the versions mentioned above). I removed this flatpak version and tried to install it via pip, it ended up throwing the errors above and never started.

It might be related to my python illiteracy and/or the quite obscure installation instructions for a non-pythonist.

I have tried (re)installing the missing/related libs but it din't help:

apt-get install python3 python3-dev python3-pip python-virtualenv libssl-dev openssl libacl1-dev libacl1 build-essential libfuse-dev fuse pkg-config
apt-get install --reinstall libxcb-xinerama0
apt-get install --reinstall libxcb-util0
apt-get install --reinstall libqxcb
apt-get install --reinstall xcb

cd
virtualenv --python=python3 borg-env
source borg-env/bin/activate
pip install -U pip setuptools wheel
pip install borgbackup
pip install vorta

I am happy to help you debug this, just let me know how.

0 replies

m3nu · 2021-02-22T01:59:41Z

m3nu
Feb 22, 2021
Maintainer

Issue with Qt packaging? Could not load the Qt platform plugin "xcb" in "" even though it was found.

Long discussion here: https://forum.qt.io/topic/93247/qt-qpa-plugin-could-not-load-the-qt-platform-plugin-xcb-in-even-though-it-was-found/68

Usually you don't even need Qt installed. Just installing the PyQt5 dependency is enough.

0 replies

m3nu · 2021-02-22T02:06:29Z

m3nu
Feb 22, 2021
Maintainer

This application failed to start because no Qt platform plugin could be initialized.

This could also point to an issue with the desktop env.

0 replies

stderr-mila · 2021-02-22T03:07:53Z

stderr-mila
Feb 22, 2021
Author

After further digging, this is the related ticket on QT's bug tracker.

Even though the flatpak package does have (possibly unrelated) issues itself, it looks like there is an independent issue preventing Vorta from working on Debian even when installed from pip (you didn't have the issue because you used unstable that does have the missing library).

This workaround did the trick for me on Debian buster (but it may have undesired side effects as it creates a symlink from one version to another):

sudo ln -fs /usr/lib/x86_64-linux-gnu/libxcb-util.so.0.0.0 /usr/lib/x86_64-linux-gnu/libxcb-util.so.1.0.0
sudo ln -fs /usr/lib/x86_64-linux-gnu/libxcb-util.so.0.0.0 /usr/lib/x86_64-linux-gnu/libxcb-util.so.1.0
sudo ln -fs /usr/lib/x86_64-linux-gnu/libxcb-util.so.0.0.0 /usr/lib/x86_64-linux-gnu/libxcb-util.so.1

0 replies

m3nu · 2021-02-22T05:10:16Z

m3nu
Feb 22, 2021
Maintainer

Nice find. That Qt bug does sound like the issue you are describing. I'm testing on Kubuntu 20.04, Fedora 33 and Debian unstable right now.

I'll move this issue to "Discussions" for now, since it's more of a packaging issue.

@Hofer-Julian, any way to test for the potential Flatpak file selection issue? Or related to the Qt issue?

1 reply

Hofer-Julian Feb 22, 2021
Collaborator

@m3nu the qt thing should be fixed with the newest flatpak, right @samuel-w?

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Vorta hangs indefinitely after trying to select source files or folder to backup #884

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Vorta hangs indefinitely after trying to select source files or folder to backup #884

stderr-mila Feb 21, 2021

Replies: 8 comments · 1 reply

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