#0  0x000056068da67ff3 in PCManFM::DesktopWindow::removeBottomGap (this=0x56068e404270) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qsize.h:161
  [Error: qsize.h was not found in source tree]
#1  0x000056068da68164 in PCManFM::DesktopWindow::queueRelayout (this=0x56068e404270, delay=delay@entry=0) at ./pcmanfm/desktopwindow.cpp:993
  988:     }
  989: }
  990: 
  991: void DesktopWindow::queueRelayout(int delay) {
  992:     // qDebug() << "queueRelayout";
  993:     removeBottomGap();
  994:     if(!relayoutTimer_) {
  995:         relayoutTimer_ = new QTimer();
  996:         relayoutTimer_->setSingleShot(true);
  997:         connect(relayoutTimer_, &QTimer::timeout, this, &DesktopWindow::relayoutItems);
  998:         relayoutTimer_->start(delay);
#2  0x000056068da37aae in PCManFM::Application::onVirtualGeometryChanged (this=<optimized out>) at ./pcmanfm/application.cpp:854
  849:     // virtualGeometryChanged() is emitted correctly when the workAreas changed.
  850:     // So we use it in Qt5.
  851:     if(enableDesktopManager_) {
  852:         // qDebug() << "onVirtualGeometryChanged";
  853:         for(DesktopWindow* desktop : qAsConst(desktopWindows_)) {
  854:             desktop->queueRelayout();
  855:         }
  856:     }
  857: }
  858: 
  859: 
#3  0x00007fc1c239d820 in ?? ()
#4  0x00007fc1b4008050 in ?? ()
#5  0x00007ffef1f5c2e0 in ?? ()
#6  0x000056068e3b2128 in ?? ()
#7  0x000056068e2ea970 in ?? ()
#8  0x00007fc1bdf6e940 in ?? ()
#9  0x00007ffe00000008 in ?? ()
#10 0x00007ffef1f5c2d0 in ?? ()
#11 0x000056068e410460 in ?? ()
#12 0x00007ffef1f5c5a0 in ?? ()
#13 0x000056068e2e98d0 in ?? ()
#14 0x00007fc1c2601da0 in ?? ()
#15 0x0000000000000001 in ?? ()
#16 0x000056068e3b5040 in ?? ()
#17 0x000056068e3b8f30 in ?? ()
#18 0x00007ffef1f5c5a0 in ?? ()
#19 0x0000000000000000 in ?? ()