SUMMARY Demonstrative video: https://youtu.be/K3RpAiN4TGU In the demonstrative video I am trying to copy two VM images that are owned by root to another place. When the GUI tells you "could not read <file>", clicking retry and then skip immediately after causes Dolphin to crash. Does not work with just one file as the skip button does not appear. As a sidenote: if I keep pressing "Retry", the border color the dialogue keeps getting darker and darker and Dolphin keeps getting slower. STEPS TO REPRODUCE 1. Have two file owned by root that is read and write protected 2. Try to copy them to another location 3. Press Retry 4. Press Skip OBSERVED RESULT Dolphin crashes EXPECTED RESULT The UI should continue warning about the second file SOFTWARE/OS VERSIONS Linux/KDE Plasma: Arch Linux (available in About System) KDE Plasma Version: 5.20.5 KDE Frameworks Version: 5.78.0 Qt Version: 5.15.2 ADDITIONAL INFORMATION
Can you please attach a backtrace of the crash? See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports
I can say that this exact series of events happend to me too. Unfortunately i have no log files...
Alright, took me a moment to get to know how to build packages from source on Arch but here's the backtrace from dolphin. Let me know if you need me to build other stuff with (debug !strip). #0 0x00007ffff5c9b72b in QUrl::QUrl(QUrl const&) () from /usr/lib/libQt5Core.so.5 #1 0x00007ffff76a55ad in ?? () from /usr/lib/libKF5KIOCore.so.5 #2 0x00007ffff76afd8a in ?? () from /usr/lib/libKF5KIOCore.so.5 #3 0x00007ffff76b0c28 in ?? () from /usr/lib/libKF5KIOCore.so.5 #4 0x00007ffff5d8ddd6 in ?? () from /usr/lib/libQt5Core.so.5 #5 0x00007ffff767e5be in KIO::AskUserActionInterface::askUserSkipResult(KIO::RenameDialog_Result, KJob*) () from /usr/lib/libKF5KIOCore.so.5 #6 0x00007ffff5d8ddd6 in ?? () from /usr/lib/libQt5Core.so.5 #7 0x00007ffff6a20a3f in QDialog::finished(int) () from /usr/lib/libQt5Widgets.so.5 #8 0x00007ffff5d8ddd6 in ?? () from /usr/lib/libQt5Core.so.5 #9 0x00007ffff690fd53 in QAbstractButton::clicked(bool) () from /usr/lib/libQt5Widgets.so.5 #10 0x00007ffff69106dc in ?? () from /usr/lib/libQt5Widgets.so.5 #11 0x00007ffff6912083 in ?? () from /usr/lib/libQt5Widgets.so.5 #12 0x00007ffff6912263 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQt5Widgets.so.5 #13 0x00007ffff685fb0e in QWidget::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5 #14 0x00007ffff681e752 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #15 0x00007ffff682587b in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #16 0x00007ffff5d56a7a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5 #17 0x00007ffff682487e in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) () from /usr/lib/libQt5Widgets.so.5 #18 0x00007ffff6878249 in ?? () from /usr/lib/libQt5Widgets.so.5 #19 0x00007ffff687b63f in ?? () from /usr/lib/libQt5Widgets.so.5 #20 0x00007ffff681e752 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #21 0x00007ffff5d56a7a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5 #22 0x00007ffff6130594 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/libQt5Gui.so.5 #23 0x00007ffff6105bb5 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Gui.so.5 #24 0x00007ffff041e16c in ?? () from /usr/lib/libQt5XcbQpa.so.5 #25 0x00007ffff3b98a84 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #26 0x00007ffff3bec9b1 in ?? () from /usr/lib/libglib-2.0.so.0 #27 0x00007ffff3b972b1 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #28 0x00007ffff5daf6e1 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5 #29 0x00007ffff5d553fc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5 #30 0x00007ffff5d5d894 in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5 #31 0x00007ffff7ed9f43 in kdemain (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/dolphin-20.12.1/src/main.cpp:222 #32 0x00007ffff7cf1152 in __libc_start_main () from /usr/lib/libc.so.6 #33 0x000055555555505e in _start ()
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@Antti: you will have to build from source kio too.
I forgot about this bug for a long time. Seems to have been fixed itself as I can no longer reproduce it