I installed k3b-dbgsym, libk3b8t64-dbgsym and libqt6webenginecore6-dbgsym. Then I started k3b in GDB. I hope the following output helps diagnose the problem.
=============================================================================== $ gdb -- /usr/bin/k3b GNU gdb (Debian 15.2-1) 15.2 ... Reading symbols from /usr/bin/k3b... Reading symbols from /usr/lib/debug/.build-id/b9/c3ecf804c5d59364ef2412433c92e25bc6c34c.debug... (gdb) r Starting program: /usr/bin/k3b [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7fffd5d346c0 (LWP 379757)] [New Thread 0x7fffd55336c0 (LWP 379758)] QGuiApplication::setDesktopFileName: the specified desktop file name ends with .desktop. For compatibility reasons, the .desktop suffix will be removed. Please specify a desktop file name without .desktop suffix kf.coreaddons.kaboutdata: QGuiApplication::desktopFileName "org.kde.k3b" is out-of-sync with KAboutData::applicationData().desktopFileName "org.kde.k3b.desktop" QGuiApplication::setDesktopFileName: the specified desktop file name ends with .desktop. For compatibility reasons, the .desktop suffix will be removed. Please specify a desktop file name without .desktop suffix 21 21 kf.coreaddons.kaboutdata: QGuiApplication::desktopFileName "org.kde.k3b" is out-of-sync with KAboutData::applicationData().desktopFileName "org.kde.k3b.desktop" [New Thread 0x7fffc2f576c0 (LWP 379760)] [New Thread 0x7fffc27566c0 (LWP 379761)] [New Thread 0x7fffc1f556c0 (LWP 379762)] [New Thread 0x7fffc17546c0 (LWP 379763)] [New Thread 0x7fffc0f536c0 (LWP 379764)] [New Thread 0x7fffb3fff6c0 (LWP 379765)] [New Thread 0x7fffb37fe6c0 (LWP 379766)] [New Thread 0x7fffb2ffd6c0 (LWP 379767)] [New Thread 0x7fffb27fc6c0 (LWP 379768)] [New Thread 0x7fffb1ffb6c0 (LWP 379769)] [New Thread 0x7fffb17fa6c0 (LWP 379770)] [New Thread 0x7fffb0ff96c0 (LWP 379771)] [New Thread 0x7fff8ffff6c0 (LWP 379772)] [New Thread 0x7fff8f7fe6c0 (LWP 379773)] [New Thread 0x7fff8effd6c0 (LWP 379774)] [New Thread 0x7fff8e7fc6c0 (LWP 379775)] [New Thread 0x7fff8c9ff6c0 (LWP 379784)] [Detaching after fork from child process 379785] [Detaching after fork from child process 379786] [Detaching after fork from child process 379787] [379726:379726:1228/231251.027955:FATAL:zygote_host_impl_linux.cc(208)] Check failed: . : No such file or directory (2) Thread 1 "k3b" received signal SIGTRAP, Trace/breakpoint trap. 0x00007fffed93a914 in logging::LogMessage::~LogMessage() () from /lib/x86_64-linux-gnu/libQt6WebEngineCore.so.6 (gdb) bt #0 0x00007fffed93a914 in logging::LogMessage::~LogMessage() () at /lib/x86_64-linux-gnu/libQt6WebEngineCore.so.6 #1 0x00007fffed93aa11 in logging::ErrnoLogMessage::~ErrnoLogMessage() () at /lib/x86_64-linux-gnu/libQt6WebEngineCore.so.6 #2 0x00007fffed93e0aa in logging::CheckError::~CheckError() () at /lib/x86_64-linux-gnu/libQt6WebEngineCore.so.6 #3 0x00007fffecb05277 in content::ZygoteHostImpl::LaunchZygote(base::CommandLine*, base::ScopedGeneric<int, base::internal::ScopedFDCloseTraits>*, std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >) () at /lib/x86_64-linux-gnu/libQt6WebEngineCore.so.6 #4 0x00007fffed1f4b0a in content::(anonymous namespace)::LaunchZygoteHelper(base::CommandLine*, base::ScopedGeneric<int, base::internal::ScopedFDCloseTraits>*) () at /lib/x86_64-linux-gnu/libQt6WebEngineCore.so.6 #5 0x00007fffebf8ed11 in content::ZygoteCommunication::Init(base::OnceCallback<int (base::CommandLine*, base::ScopedGeneric<int, base::internal::ScopedFDCloseTraits>*)>) () at /lib/x86_64-linux-gnu/libQt6WebEngineCore.so.6 #6 0x00007fffebf2d785 in content::CreateGenericZygote(base::OnceCallback<int (base::CommandLine*, base::ScopedGeneric<int, base::internal::ScopedFDCloseTraits>*)>) () at /lib/x86_64-linux-gnu/libQt6WebEngineCore.so.6 #7 0x0000000000000030 in ??? () #8 0x0000000000000000 in ??? () =============================================================================== Kind regards. Dr. Koutheir Attouchi.
