GNU gdb (GDB) 8.3.1 Copyright (C) 2019 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-pc-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from digikam... (No debugging symbols found in digikam) (gdb) handle SIG33 pass nostop noprint Signal Stop Print Pass to program Description SIG33 No No Yes Real-time event 33 (gdb) set pagination 0 (gdb) run Starting program: /usr/bin/digikam [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". Warning: Ignoring XDG_SESSION_TYPE=wayland on Gnome. Use QT_QPA_PLATFORM=wayland to run on Wayland anyway. [New Thread 0x7fffdafc0700 (LWP 7658)] [New Thread 0x7fffd9635700 (LWP 7659)] [New Thread 0x7fffd8e34700 (LWP 7660)] [New Thread 0x7fffcbfff700 (LWP 7661)] [New Thread 0x7fffcb7fe700 (LWP 7662)] [New Thread 0x7fffc9823700 (LWP 7663)] [New Thread 0x7fffc9022700 (LWP 7664)] [New Thread 0x7fffc8821700 (LWP 7665)] [New Thread 0x7fffb71ba700 (LWP 7666)] Attribute Qt::AA_ShareOpenGLContexts must be set before QCoreApplication is created. digikam.widgets: Use installed icons QCommandLineParser: already having an option named "h" QCommandLineParser: already having an option named "help-all" QCommandLineParser: already having an option named "v" digikam.general: AlbumWatch is disabled [New Thread 0x7fffb6939700 (LWP 7667)] [New Thread 0x7fffb6138700 (LWP 7668)] digikam.general: Database Parameters: Type: "QSQLITE" DB Core Name: "/home/jjuris/Pictures/digikam4.db" DB Thumbs Name: "/home/jjuris/Pictures/thumbnails-digikam.db" DB Face Name: "/home/jjuris/Pictures/recognition.db" DB Similarity Name: "/home/jjuris/Pictures/similarity.db" Connect Options: "" Host Name: "" Host port: -1 Internal Server: false Internal Server Path: "" Internal Server Serv Cmd: "" Internal Server Init Cmd: "" Username: "" Password: "" Thread 1 "digikam" received signal SIGSEGV, Segmentation fault. 0x000055555555abf9 in QList::append(QString const&) () (gdb) nachbacktrace full_callback  #0 0x000055555555abf9 in QList::append(QString const&) () #1 0x00007ffff5380df6 in QSequentialIterable::end() const () at /usr/lib/libQt5Core.so.5 #2 0x00007ffff7afa31b in QtPrivate::QVariantValueHelperInterface >::invoke(QVariant const&) () at /usr/lib/libdigikamgui.so.6.4.0 #3 0x00007ffff7afac23 in QList KConfigGroup::readEntry(char const*, QList const&) const () at /usr/lib/libdigikamgui.so.6.4.0 #4 0x00007ffff729045f in Digikam::CoreDB::readSettings() () at /usr/lib/libdigikamdatabase.so.6.4.0 #5 0x00007ffff72bf3ad in Digikam::CoreDbAccess::setParameters(Digikam::DbEngineParameters const&, Digikam::CoreDbAccess::ApplicationStatus) () at /usr/lib/libdigikamdatabase.so.6.4.0 #6 0x00007ffff7b1e7f8 in Digikam::AlbumManager::setDatabase(Digikam::DbEngineParameters const&, bool, QString const&) () at /usr/lib/libdigikamgui.so.6.4.0 #7 0x0000555555559184 in main () (gdb) info registers rax 0x5555559e48e0 93824997017824 rbx 0x7fffffffe108 140737488347400 rcx 0x0 0 rdx 0x0 0 rsi 0x1 1 rdi 0x7ffff5427310 140737308160784 rbp 0x7fffffffdfb0 0x7fffffffdfb0 rsp 0x7fffffffdf40 0x7fffffffdf40 r8 0x7ffff5427320 140737308160800 r9 0x5555559e48e0 93824997017824 r10 0x20 32 r11 0x7ffff4e8da40 140737302288960 r12 0x7fffffffe100 140737488347392 r13 0x7fffffffe100 140737488347392 r14 0x7fffffffdf98 140737488347032 r15 0x7fffffffe1d8 140737488347608 rip 0x55555555abf9 0x55555555abf9 ::append(QString const&)+57> eflags 0x10246 [ PF ZF IF RF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 (gdb) x/16i $pc => 0x55555555abf9 <_ZN5QListI7QStringE6appendERKS0_+57>: mov (%rdx),%eax 0x55555555abfb <_ZN5QListI7QStringE6appendERKS0_+59>: add $0x1,%eax 0x55555555abfe <_ZN5QListI7QStringE6appendERKS0_+62>: cmp $0x1,%eax 0x55555555ac01 <_ZN5QListI7QStringE6appendERKS0_+65>: ja 0x55555555ac40 <_ZN5QListI7QStringE6appendERKS0_+128> 0x55555555ac03 <_ZN5QListI7QStringE6appendERKS0_+67>: mov 0x8(%rsp),%rax 0x55555555ac08 <_ZN5QListI7QStringE6appendERKS0_+72>: xor %fs:0x28,%rax 0x55555555ac11 <_ZN5QListI7QStringE6appendERKS0_+81>: jne 0x55555555ac56 <_ZN5QListI7QStringE6appendERKS0_+150> 0x55555555ac13 <_ZN5QListI7QStringE6appendERKS0_+83>: add $0x18,%rsp 0x55555555ac17 <_ZN5QListI7QStringE6appendERKS0_+87>: pop %rbx 0x55555555ac18 <_ZN5QListI7QStringE6appendERKS0_+88>: pop %rbp 0x55555555ac19 <_ZN5QListI7QStringE6appendERKS0_+89>: retq 0x55555555ac1a <_ZN5QListI7QStringE6appendERKS0_+90>: nopw 0x0(%rax,%rax,1) 0x55555555ac20 <_ZN5QListI7QStringE6appendERKS0_+96>: mov (%rsi),%rdx 0x55555555ac23 <_ZN5QListI7QStringE6appendERKS0_+99>: mov %rdx,(%rsp) 0x55555555ac27 <_ZN5QListI7QStringE6appendERKS0_+103>: mov (%rdx),%eax 0x55555555ac29 <_ZN5QListI7QStringE6appendERKS0_+105>: add $0x1,%eax (gdb) thread apply all backtrac Thread 12 (Thread 0x7fffb6138700 (LWP 7668)): #0 0x00007ffff4dc19ef in poll () at /usr/lib/libc.so.6 #1 0x00007fffeda41120 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007fffeda411f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #3 0x00007ffff5396d40 in QEventDispatcherGlib::processEvents(QFlags) () at /usr/lib/libQt5Core.so.5 #4 0x00007ffff533d41c in QEventLoop::exec(QFlags) () at /usr/lib/libQt5Core.so.5 #5 0x00007ffff5162e62 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #6 0x00007ffff1d1bb28 in () at /usr/lib/libQt5DBus.so.5 #7 0x00007ffff5163fd6 in () at /usr/lib/libQt5Core.so.5 #8 0x00007ffff179a4cf in start_thread () at /usr/lib/libpthread.so.0 #9 0x00007ffff4dcc2d3 in clone () at /usr/lib/libc.so.6 Thread 11 (Thread 0x7fffb6939700 (LWP 7667)): #0 0x00007ffff17a0c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007ffff5169cc4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5 #2 0x00007ffff5169da2 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5 #3 0x00007ffff77e3e95 in Digikam::ScanController::run() () at /usr/lib/libdigikamgui.so.6.4.0 #4 0x00007ffff5163fd6 in () at /usr/lib/libQt5Core.so.5 #5 0x00007ffff179a4cf in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff4dcc2d3 in clone () at /usr/lib/libc.so.6 Thread 10 (Thread 0x7fffb71ba700 (LWP 7666)): #0 0x00007ffff17a0c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fffca273aec in () at /usr/lib/dri/nouveau_dri.so #2 0x00007fffca2736e8 in () at /usr/lib/dri/nouveau_dri.so #3 0x00007ffff179a4cf in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007ffff4dcc2d3 in clone () at /usr/lib/libc.so.6 Thread 9 (Thread 0x7fffc8821700 (LWP 7665)): #0 0x00007ffff17a0c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fffca273aec in () at /usr/lib/dri/nouveau_dri.so #2 0x00007fffca2736e8 in () at /usr/lib/dri/nouveau_dri.so #3 0x00007ffff179a4cf in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007ffff4dcc2d3 in clone () at /usr/lib/libc.so.6 Thread 8 (Thread 0x7fffc9022700 (LWP 7664)): #0 0x00007ffff17a0c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fffca273aec in () at /usr/lib/dri/nouveau_dri.so #2 0x00007fffca2736e8 in () at /usr/lib/dri/nouveau_dri.so #3 0x00007ffff179a4cf in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007ffff4dcc2d3 in clone () at /usr/lib/libc.so.6 Thread 7 (Thread 0x7fffc9823700 (LWP 7663)): #0 0x00007ffff17a0c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fffca273aec in () at /usr/lib/dri/nouveau_dri.so #2 0x00007fffca2736e8 in () at /usr/lib/dri/nouveau_dri.so #3 0x00007ffff179a4cf in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007ffff4dcc2d3 in clone () at /usr/lib/libc.so.6 Thread 6 (Thread 0x7fffcb7fe700 (LWP 7662)): #0 0x00007ffff4dc19ef in poll () at /usr/lib/libc.so.6 #1 0x00007fffeda41120 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007fffeda411f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #3 0x00007fffd862ae5e in () at /usr/lib/gio/modules/libdconfsettings.so #4 0x00007fffeda1dbb1 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007ffff179a4cf in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff4dcc2d3 in clone () at /usr/lib/libc.so.6 Thread 5 (Thread 0x7fffcbfff700 (LWP 7661)): #0 0x00007ffff4dc19ef in poll () at /usr/lib/libc.so.6 #1 0x00007fffeda41120 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007fffeda420c3 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0 #3 0x00007fffd9d65bc8 in () at /usr/lib/libgio-2.0.so.0 #4 0x00007fffeda1dbb1 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007ffff179a4cf in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff4dcc2d3 in clone () at /usr/lib/libc.so.6 Thread 4 (Thread 0x7fffd8e34700 (LWP 7660)): #0 0x00007ffff4dc6e9d in syscall () at /usr/lib/libc.so.6 #1 0x00007fffed9f211b in g_cond_wait_until () at /usr/lib/libglib-2.0.so.0 #2 0x00007fffeda6ff63 in () at /usr/lib/libglib-2.0.so.0 #3 0x00007fffeda170db in () at /usr/lib/libglib-2.0.so.0 #4 0x00007fffeda1dbb1 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007ffff179a4cf in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff4dcc2d3 in clone () at /usr/lib/libc.so.6 Thread 3 (Thread 0x7fffd9635700 (LWP 7659)): #0 0x00007ffff4dc19ef in poll () at /usr/lib/libc.so.6 #1 0x00007fffeda41120 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007fffeda411f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #3 0x00007fffeda41242 in () at /usr/lib/libglib-2.0.so.0 #4 0x00007fffeda1dbb1 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007ffff179a4cf in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff4dcc2d3 in clone () at /usr/lib/libc.so.6 Thread 2 (Thread 0x7fffdafc0700 (LWP 7658)): #0 0x00007ffff4dc19ef in poll () at /usr/lib/libc.so.6 #1 0x00007fffe5404630 in () at /usr/lib/libxcb.so.1 #2 0x00007fffe54062db in xcb_wait_for_event () at /usr/lib/libxcb.so.1 #3 0x00007fffdb905a01 in () at /usr/lib/libQt5XcbQpa.so.5 #4 0x00007ffff5163fd6 in () at /usr/lib/libQt5Core.so.5 #5 0x00007ffff179a4cf in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff4dcc2d3 in clone () at /usr/lib/libc.so.6 Thread 1 (Thread 0x7fffdbd2bb80 (LWP 7654)): #0 0x000055555555abf9 in QList::append(QString const&) () #1 0x00007ffff5380df6 in QSequentialIterable::end() const () at /usr/lib/libQt5Core.so.5 #2 0x00007ffff7afa31b in QtPrivate::QVariantValueHelperInterface >::invoke(QVariant const&) () at /usr/lib/libdigikamgui.so.6.4.0 #3 0x00007ffff7afac23 in QList KConfigGroup::readEntry(char const*, QList const&) const () at /usr/lib/libdigikamgui.so.6.4.0 #4 0x00007ffff729045f in Digikam::CoreDB::readSettings() () at /usr/lib/libdigikamdatabase.so.6.4.0 #5 0x00007ffff72bf3ad in Digikam::CoreDbAccess::setParameters(Digikam::DbEngineParameters const&, Digikam::CoreDbAccess::ApplicationStatus) () at /usr/lib/libdigikamdatabase.so.6.4.0 #6 0x00007ffff7b1e7f8 in Digikam::AlbumManager::setDatabase(Digikam::DbEngineParameters const&, bool, QString const&) () at /usr/lib/libdigikamgui.so.6.4.0 #7 0x0000555555559184 in main () (gdb) quit A debugging session is active. Inferior 1 [process 7654] will be killed. Quit anyway? (y or n) y