GNU gdb (GDB) 7.10 Copyright (C) 2015 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-unknown-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 /usr/bin/sddm-greeter...(no debugging symbols found)...done. [New LWP 306] [New LWP 319] [New LWP 317] [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". Core was generated by `/usr/bin/sddm-greeter --socket /tmp/sddm-:0-xhRMvF --theme /usr/share/sddm/them'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007f642ec42371 in KIconTheme::iconPath(QString const&, int, KIconLoader::MatchType) const () from /usr/lib/libKF5IconThemes.so.5 [Current thread is 1 (Thread 0x7f644a61d7c0 (LWP 306))] (gdb) bt #0 0x00007f642ec42371 in KIconTheme::iconPath(QString const&, int, KIconLoader::MatchType) const () from /usr/lib/libKF5IconThemes.so.5 #1 0x00007f643438efd4 in IconItem::setSource (this=0x178de20, source=...) at /home/chx/abs/plasma-framework/src/plasma-framework-5.16.0/src/declarativeimports/core/iconitem.cpp:137 #2 0x00007f643439462d in IconItem::qt_static_metacall (_o=_o@entry=0x178de20, _c=_c@entry=QMetaObject::WriteProperty, _id=_id@entry=0, _a=_a@entry=0x7ffc1ce2e150) at /home/chx/abs/plasma-framework/src/build/src/declarativeimports/core/moc_iconitem.cpp:182 #3 0x00007f643439805b in IconItem::qt_metacall (this=0x178de20, _c=QMetaObject::WriteProperty, _id=0, _a=0x7ffc1ce2e150) at /home/chx/abs/plasma-framework/src/build/src/declarativeimports/core/moc_iconitem.cpp:234 #4 0x00007f6448f4fa74 in QQmlVMEMetaObject::metaCall(QMetaObject::Call, int, void**) () from /usr/lib/libQt5Qml.so.5 #5 0x00007f6448fe3306 in ?? () from /usr/lib/libQt5Qml.so.5 #6 0x00007f6448fe6749 in ?? () from /usr/lib/libQt5Qml.so.5 #7 0x00007f6448fe7da8 in ?? () from /usr/lib/libQt5Qml.so.5 #8 0x00007f6448fe434a in ?? () from /usr/lib/libQt5Qml.so.5 #9 0x00007f6448fe4caa in ?? () from /usr/lib/libQt5Qml.so.5 #10 0x00007f6448fe7b13 in ?? () from /usr/lib/libQt5Qml.so.5 #11 0x00007f6448fe7da8 in ?? () from /usr/lib/libQt5Qml.so.5 #12 0x00007f6448fe434a in ?? () from /usr/lib/libQt5Qml.so.5 #13 0x00007f6448fe4caa in ?? () from /usr/lib/libQt5Qml.so.5 #14 0x00007f6448fe61af in ?? () from /usr/lib/libQt5Qml.so.5 #15 0x00007f6448fe5c4e in ?? () from /usr/lib/libQt5Qml.so.5 #16 0x00007f6448fe7b13 in ?? () from /usr/lib/libQt5Qml.so.5 #17 0x00007f6448fe7da8 in ?? () from /usr/lib/libQt5Qml.so.5 #18 0x00007f6448fe434a in ?? () from /usr/lib/libQt5Qml.so.5 #19 0x00007f6448fe4caa in ?? () from /usr/lib/libQt5Qml.so.5 #20 0x00007f6448fe7b13 in ?? () from /usr/lib/libQt5Qml.so.5 #21 0x00007f6448fe7da8 in ?? () from /usr/lib/libQt5Qml.so.5 #22 0x00007f6448fe434a in ?? () from /usr/lib/libQt5Qml.so.5 #23 0x00007f6448fe4caa in ?? () from /usr/lib/libQt5Qml.so.5 #24 0x00007f6448fe7b13 in ?? () from /usr/lib/libQt5Qml.so.5 #25 0x00007f6448fe7da8 in ?? () from /usr/lib/libQt5Qml.so.5 #26 0x00007f6448fe434a in ?? () from /usr/lib/libQt5Qml.so.5 #27 0x00007f6448fe4caa in ?? () from /usr/lib/libQt5Qml.so.5 #28 0x00007f6448fe61af in ?? () from /usr/lib/libQt5Qml.so.5 #29 0x00007f6448f706e7 in ?? () from /usr/lib/libQt5Qml.so.5 #30 0x00007f6448f70cdf in QQmlEnginePrivate::incubate(QQmlIncubator&, QQmlContextData*) () from /usr/lib/libQt5Qml.so.5 #31 0x00007f6448f6c55c in QQmlComponent::create(QQmlIncubator&, QQmlContext*, QQmlContext*) () from /usr/lib/libQt5Qml.so.5 #32 0x00007f6449cf45da in ?? () from /usr/lib/libQt5Quick.so.5 #33 0x00007f6449cf4778 in ?? () from /usr/lib/libQt5Quick.so.5 #34 0x00007f6448fe16d2 in ?? () from /usr/lib/libQt5Qml.so.5 #35 0x00007f6448f6bf1e in QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) () from /usr/lib/libQt5Qml.so.5 #36 0x00007f6448f6bfe7 in QQmlComponentPrivate::completeCreate() () from /usr/lib/libQt5Qml.so.5 #37 0x00007f6448f6be50 in QQmlComponent::create(QQmlContext*) () from /usr/lib/libQt5Qml.so.5 #38 0x00007f6449cfb9bd in QQuickView::continueExecute() () from /usr/lib/libQt5Quick.so.5 #39 0x00007f6449cfc0fd in ?? () from /usr/lib/libQt5Quick.so.5 #40 0x000000000042939e in SDDM::GreeterApp::addViewForScreen(QScreen*) () #41 0x000000000042a8eb in SDDM::GreeterApp::GreeterApp(int&, char**) () #42 0x00000000004142c6 in main () (gdb) bt full #0 0x00007f642ec42371 in KIconTheme::iconPath(QString const&, int, KIconLoader::MatchType) const () from /usr/lib/libKF5IconThemes.so.5 No symbol table info available. #1 0x00007f643438efd4 in IconItem::setSource (this=0x178de20, source=...) at /home/chx/abs/plasma-framework/src/plasma-framework-5.16.0/src/declarativeimports/core/iconitem.cpp:137 iconPath = {static null = {}, d = 0x7f644860c420 } url = {d = 0x17a9fa0} oldValid = false #2 0x00007f643439462d in IconItem::qt_static_metacall (_o=_o@entry=0x178de20, _c=_c@entry=QMetaObject::WriteProperty, _id=_id@entry=0, _a=_a@entry=0x7ffc1ce2e150) at /home/chx/abs/plasma-framework/src/build/src/declarativeimports/core/moc_iconitem.cpp:182 _t = 0x178de20 _v = #3 0x00007f643439805b in IconItem::qt_metacall (this=0x178de20, _c=QMetaObject::WriteProperty, _id=0, _a=0x7ffc1ce2e150) at /home/chx/abs/plasma-framework/src/build/src/declarativeimports/core/moc_iconitem.cpp:234 No locals. #4 0x00007f6448f4fa74 in QQmlVMEMetaObject::metaCall(QMetaObject::Call, int, void**) () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #5 0x00007f6448fe3306 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #6 0x00007f6448fe6749 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #7 0x00007f6448fe7da8 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #8 0x00007f6448fe434a in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #9 0x00007f6448fe4caa in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #10 0x00007f6448fe7b13 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #11 0x00007f6448fe7da8 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #12 0x00007f6448fe434a in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #13 0x00007f6448fe4caa in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #14 0x00007f6448fe61af in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #15 0x00007f6448fe5c4e in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #16 0x00007f6448fe7b13 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #17 0x00007f6448fe7da8 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #18 0x00007f6448fe434a in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #19 0x00007f6448fe4caa in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #20 0x00007f6448fe7b13 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #21 0x00007f6448fe7da8 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #22 0x00007f6448fe434a in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #23 0x00007f6448fe4caa in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #24 0x00007f6448fe7b13 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #25 0x00007f6448fe7da8 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #26 0x00007f6448fe434a in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #27 0x00007f6448fe4caa in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #28 0x00007f6448fe61af in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #29 0x00007f6448f706e7 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #30 0x00007f6448f70cdf in QQmlEnginePrivate::incubate(QQmlIncubator&, QQmlContextData*) () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #31 0x00007f6448f6c55c in QQmlComponent::create(QQmlIncubator&, QQmlContext*, QQmlContext*) () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #32 0x00007f6449cf45da in ?? () from /usr/lib/libQt5Quick.so.5 No symbol table info available. #33 0x00007f6449cf4778 in ?? () from /usr/lib/libQt5Quick.so.5 No symbol table info available. #34 0x00007f6448fe16d2 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #35 0x00007f6448f6bf1e in QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #36 0x00007f6448f6bfe7 in QQmlComponentPrivate::completeCreate() () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #37 0x00007f6448f6be50 in QQmlComponent::create(QQmlContext*) () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #38 0x00007f6449cfb9bd in QQuickView::continueExecute() () from /usr/lib/libQt5Quick.so.5 No symbol table info available. #39 0x00007f6449cfc0fd in ?? () from /usr/lib/libQt5Quick.so.5 No symbol table info available. #40 0x000000000042939e in SDDM::GreeterApp::addViewForScreen(QScreen*) () No symbol table info available. #41 0x000000000042a8eb in SDDM::GreeterApp::GreeterApp(int&, char**) () No symbol table info available. #42 0x00000000004142c6 in main () No symbol table info available. (gdb) quit PID: 306 (sddm-greeter) UID: 997 (sddm) GID: 997 (sddm) Signal: 11 (SEGV) Timestamp: Thu 2015-11-19 00:33:00 PST (1min 32s ago) Command Line: /usr/bin/sddm-greeter --socket /tmp/sddm-:0-xhRMvF --theme /usr/share/sddm/themes/breeze Executable: /usr/bin/sddm-greeter Control Group: /user.slice/user-997.slice/session-c1.scope Unit: session-c1.scope Slice: user-997.slice Session: c1 Owner UID: 997 (sddm) Boot ID: fe22d92c185f458a9bcb429e4cb99097 Machine ID: deb9c83ad4d342bc9deb9fb3b2902d9a Hostname: quad Coredump: /var/lib/systemd/coredump/core.sddm-greeter.997.fe22d92c185f458a9bcb429e4cb99097.306.1447921980000000.lz4 Message: Process 306 (sddm-greeter) of user 997 dumped core.