This projet help to reproduce a problem when applciation is started in service mode on linux, and when glib is not used.
Bug is reproted here: https://bugreports.qt.io/browse/QTBUG-111317
Prerequisite
apt install git
Get project:
git clone https://github.com/Jet1oeil/qt-test-service.git
Build QtBase without Glib:
git clone https://github.com/qt/qt5.git
cd qt5
./init-repository -f --module-subset=qtbase
cd ..
mkdir qt-build
cd qt-build
../qt5/configure -opensource -confirm-license -shared -nomake examples -nomake tests -prefix ../qt-release
make
make install
Modify the toolchain-platform-unix-linux64-qt5.cmake to set the Qt's path.
Compile the project with the toolchain file:
cmake -G "Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=./toolchain-platform-unix-linux64-qt5.cmake .
make
Run project in service mode for a short time :
./qt-service-test && sleep 2 && killall qt-service-test
When the problem occurs the app.log is huge :
ls -l app.log
-rw-rw-rw- 1 ebeuque ebeuque 37101769 févr. 16 15:24 app.log
And it contains a lot of error log:
Starting the main loop
Starting the thread
Starting the thread
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
QThreadPipe: internal error, wakeUps.testAndSetRelease(1, 0) failed!
The problem is not present when not in service mode
./qt-service-test no-service