QSocketNotifier: Can only be used with threads started with QThread

[PrzemoF]

I upgraded fedora to 37 and FreeCAD now produces this:

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$ FreeCAD
FreeCAD 0.21.0, Libs: 0.21.0Rpre_33268.fc37 (Git)
© Juergen Riegel, Werner Mayer, Yorik van Havre and others 2001-2023
FreeCAD is free and open-source software licensed under the terms of LGPL2+ license.
FreeCAD wouldn't be possible without FreeCAD community.
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QSocketNotifier: Can only be used with threads started with QThread
QOpenGLFunctions created with non-current context
Wayland does not support QWindow::requestActivate()
Wayland does not support QWindow::requestActivate()
Wayland does not support QWindow::requestActivate()
Wayland does not support QWindow::requestActivate()
Wayland does not support QWindow::requestActivate()

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OS: Fedora Linux 37 (Workstation Edition) (GNOME/gnome)
Word size of FreeCAD: 64-bit
Version: 0.21.0.pre_33268.fc37 (Git)
Build type: Unknown
Python 3.11.3, Qt 5.15.9, Coin 4.0.0, Vtk 9.1.0, OCC 7.6.3
Locale: English/United States (en_US)
Installed mods: 
  * BIM 2021.12.0
  * MeshRemodel 1.8919.0
  * Help 1.0.3
  * ExtremeProDark 2.7.8
  * ProDarkThemePreferencePack 1.0.0

Bottom of the screen also shows error.

Screenshot from 2023-05-23 22-53-07.png (115.97 KiB) Viewed 2868 times

WARNING: there is a chance that it's my local problem as the system went through some bumps during the fedora upgrade.

[PrzemoF]

Same on:

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OS: Fedora Linux 37 (Workstation Edition) (GNOME/gnome)
Word size of FreeCAD: 64-bit
Version: 0.21.0.pre_33274.fc37 (Git)
Build type: Unknown
Python 3.11.3, Qt 5.15.9, Coin 4.0.0, Vtk 9.1.0, OCC 7.6.3
Locale: English/United States (en_US)
Installed mods: 
  * BIM 2021.12.0
  * MeshRemodel 1.8919.0
  * Help 1.0.3
  * ExtremeProDark 2.7.8
  * ProDarkThemePreferencePack 1.0.0

[wmayer]

It must be related to your system because FreeCAD doesn't use QSocketNotifier anywhere. And the warnings about wayland come from your system too since FreeCAD doesn't directly access the API of the display server.

Now the question is whether there is a simple way to filter the warnings. If you build FreeCAD yourself can you add this line to void messageHandler(QtMsgType type, const QMessageLogContext &context, const QString &msg):

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Base::Console().Message("%s\n", context.category);

and report back what the output is?

[adrianinsaval]

what about the wayland error?

[openBrain]

can you add this line to void messageHandler(QtMsgType type, const QMessageLogContext &context, const QString &msg):

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Base::Console().Message("%s\n", context.category);

and report back what the output is?

Wouldn't that be good to add this in the debug builds?

[wmayer]

Wouldn't that be good to add this in the debug builds?

I have prepared a PR to show the category in parentheses. This way we can easily add it to the ignore list if needed.

https://github.com/FreeCAD/FreeCAD/pull/9648

[PrzemoF]

Most likely there is problem with my system I'm unable to boot to GUI now.

[PrzemoF]

On fedora we miss qqc2-desktop-style - I'll add that to the dependencies. The wayland error - I switched to xorg for now, but I'll come back later.

[PrzemoF]

@wmayer
Can you pull this one: https://github.com/PrzemoF/FreeCAD/tree/copr_fix_v65

[wmayer]

Done.