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 315] [New LWP 319] [New LWP 325] [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-elbePA --theme /usr/share/sddm/them'. Program terminated with signal SIGSEGV, Segmentation fault. #0 KIconTheme::iconPath (this=0x0, name=..., size=size@entry=0, match=match@entry=KIconLoader::MatchBest) at /home/chx/abs/kiconthemes/src/kiconthemes-5.16.0/src/kicontheme.cpp:416 416 foreach (KIconThemeDir *dir, d->mDirs) { [Current thread is 1 (Thread 0x7fd76ca707c0 (LWP 315))] (gdb) bt #0 KIconTheme::iconPath (this=0x0, name=..., size=size@entry=0, match=match@entry=KIconLoader::MatchBest) at /home/chx/abs/kiconthemes/src/kiconthemes-5.16.0/src/kicontheme.cpp:416 #1 0x00007fd7568d1fd4 in IconItem::setSource (this=0x1f36a40, source=...) at /home/chx/abs/plasma-framework/src/plasma-framework-5.16.0/src/declarativeimports/core/iconitem.cpp:137 #2 0x00007fd7568d762d in IconItem::qt_static_metacall (_o=_o@entry=0x1f36a40, _c=_c@entry=QMetaObject::WriteProperty, _id=_id@entry=0, _a=_a@entry=0x7ffe57ea1300) at /home/chx/abs/plasma-framework/src/build/src/declarativeimports/core/moc_iconitem.cpp:182 #3 0x00007fd7568db05b in IconItem::qt_metacall (this=0x1f36a40, _c=QMetaObject::WriteProperty, _id=0, _a=0x7ffe57ea1300) at /home/chx/abs/plasma-framework/src/build/src/declarativeimports/core/moc_iconitem.cpp:234 #4 0x00007fd76b3a2a74 in QQmlVMEMetaObject::metaCall(QMetaObject::Call, int, void**) () from /usr/lib/libQt5Qml.so.5 #5 0x00007fd76b436306 in ?? () from /usr/lib/libQt5Qml.so.5 #6 0x00007fd76b439749 in ?? () from /usr/lib/libQt5Qml.so.5 #7 0x00007fd76b43ada8 in ?? () from /usr/lib/libQt5Qml.so.5 #8 0x00007fd76b43734a in ?? () from /usr/lib/libQt5Qml.so.5 #9 0x00007fd76b437caa in ?? () from /usr/lib/libQt5Qml.so.5 #10 0x00007fd76b43ab13 in ?? () from /usr/lib/libQt5Qml.so.5 #11 0x00007fd76b43ada8 in ?? () from /usr/lib/libQt5Qml.so.5 #12 0x00007fd76b43734a in ?? () from /usr/lib/libQt5Qml.so.5 #13 0x00007fd76b437caa in ?? () from /usr/lib/libQt5Qml.so.5 #14 0x00007fd76b4391af in ?? () from /usr/lib/libQt5Qml.so.5 #15 0x00007fd76b438c4e in ?? () from /usr/lib/libQt5Qml.so.5 #16 0x00007fd76b43ab13 in ?? () from /usr/lib/libQt5Qml.so.5 #17 0x00007fd76b43ada8 in ?? () from /usr/lib/libQt5Qml.so.5 #18 0x00007fd76b43734a in ?? () from /usr/lib/libQt5Qml.so.5 #19 0x00007fd76b437caa in ?? () from /usr/lib/libQt5Qml.so.5 #20 0x00007fd76b43ab13 in ?? () from /usr/lib/libQt5Qml.so.5 #21 0x00007fd76b43ada8 in ?? () from /usr/lib/libQt5Qml.so.5 #22 0x00007fd76b43734a in ?? () from /usr/lib/libQt5Qml.so.5 #23 0x00007fd76b437caa in ?? () from /usr/lib/libQt5Qml.so.5 #24 0x00007fd76b43ab13 in ?? () from /usr/lib/libQt5Qml.so.5 #25 0x00007fd76b43ada8 in ?? () from /usr/lib/libQt5Qml.so.5 #26 0x00007fd76b43734a in ?? () from /usr/lib/libQt5Qml.so.5 #27 0x00007fd76b437caa in ?? () from /usr/lib/libQt5Qml.so.5 #28 0x00007fd76b4391af in ?? () from /usr/lib/libQt5Qml.so.5 #29 0x00007fd76b3c36e7 in ?? () from /usr/lib/libQt5Qml.so.5 #30 0x00007fd76b3c3cdf in QQmlEnginePrivate::incubate(QQmlIncubator&, QQmlContextData*) () from /usr/lib/libQt5Qml.so.5 #31 0x00007fd76b3bf55c in QQmlComponent::create(QQmlIncubator&, QQmlContext*, QQmlContext*) () from /usr/lib/libQt5Qml.so.5 #32 0x00007fd76c1475da in ?? () from /usr/lib/libQt5Quick.so.5 #33 0x00007fd76c147778 in ?? () from /usr/lib/libQt5Quick.so.5 #34 0x00007fd76b4346d2 in ?? () from /usr/lib/libQt5Qml.so.5 #35 0x00007fd76b3bef1e in QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) () from /usr/lib/libQt5Qml.so.5 #36 0x00007fd76b3befe7 in QQmlComponentPrivate::completeCreate() () from /usr/lib/libQt5Qml.so.5 #37 0x00007fd76b3bee50 in QQmlComponent::create(QQmlContext*) () from /usr/lib/libQt5Qml.so.5 #38 0x00007fd76c14e9bd in QQuickView::continueExecute() () from /usr/lib/libQt5Quick.so.5 #39 0x00007fd76c14f0fd 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 KIconTheme::iconPath (this=0x0, name=..., size=size@entry=0, match=match@entry=KIconLoader::MatchBest) at /home/chx/abs/kiconthemes/src/kiconthemes-5.16.0/src/kicontheme.cpp:416 _container_ = {c = {> = {}, {p = {static shared_null = {ref = {atomic = {_q_value = -1}}, alloc = 0, begin = 0, end = 0, array = {0x0}}, d = 0x7ffe57ea12e0}, d = 0x7ffe57ea12e0}}, i = {i = 0x1f}, e = {i = 0x18}, control = 1786560456} path = {static null = {}, d = 0x1ea19d0} tempPath = {static null = {}, d = 0x8} delta = dw = #1 0x00007fd7568d1fd4 in IconItem::setSource (this=0x1f36a40, source=...) at /home/chx/abs/plasma-framework/src/plasma-framework-5.16.0/src/declarativeimports/core/iconitem.cpp:137 iconPath = {static null = {}, d = 0x1ea19d0} url = {d = 0x1f661e0} oldValid = false #2 0x00007fd7568d762d in IconItem::qt_static_metacall (_o=_o@entry=0x1f36a40, _c=_c@entry=QMetaObject::WriteProperty, _id=_id@entry=0, _a=_a@entry=0x7ffe57ea1300) at /home/chx/abs/plasma-framework/src/build/src/declarativeimports/core/moc_iconitem.cpp:182 _t = 0x1f36a40 _v = #3 0x00007fd7568db05b in IconItem::qt_metacall (this=0x1f36a40, _c=QMetaObject::WriteProperty, _id=0, _a=0x7ffe57ea1300) at /home/chx/abs/plasma-framework/src/build/src/declarativeimports/core/moc_iconitem.cpp:234 No locals. #4 0x00007fd76b3a2a74 in QQmlVMEMetaObject::metaCall(QMetaObject::Call, int, void**) () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #5 0x00007fd76b436306 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #6 0x00007fd76b439749 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #7 0x00007fd76b43ada8 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #8 0x00007fd76b43734a in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #9 0x00007fd76b437caa in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #10 0x00007fd76b43ab13 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #11 0x00007fd76b43ada8 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #12 0x00007fd76b43734a in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #13 0x00007fd76b437caa in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #14 0x00007fd76b4391af in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #15 0x00007fd76b438c4e in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #16 0x00007fd76b43ab13 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #17 0x00007fd76b43ada8 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #18 0x00007fd76b43734a in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #19 0x00007fd76b437caa in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #20 0x00007fd76b43ab13 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #21 0x00007fd76b43ada8 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #22 0x00007fd76b43734a in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #23 0x00007fd76b437caa in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #24 0x00007fd76b43ab13 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #25 0x00007fd76b43ada8 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #26 0x00007fd76b43734a in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #27 0x00007fd76b437caa in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #28 0x00007fd76b4391af in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #29 0x00007fd76b3c36e7 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #30 0x00007fd76b3c3cdf in QQmlEnginePrivate::incubate(QQmlIncubator&, QQmlContextData*) () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #31 0x00007fd76b3bf55c in QQmlComponent::create(QQmlIncubator&, QQmlContext*, QQmlContext*) () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #32 0x00007fd76c1475da in ?? () from /usr/lib/libQt5Quick.so.5 No symbol table info available. #33 0x00007fd76c147778 in ?? () from /usr/lib/libQt5Quick.so.5 No symbol table info available. #34 0x00007fd76b4346d2 in ?? () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #35 0x00007fd76b3bef1e in QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #36 0x00007fd76b3befe7 in QQmlComponentPrivate::completeCreate() () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #37 0x00007fd76b3bee50 in QQmlComponent::create(QQmlContext*) () from /usr/lib/libQt5Qml.so.5 No symbol table info available. #38 0x00007fd76c14e9bd in QQuickView::continueExecute() () from /usr/lib/libQt5Quick.so.5 No symbol table info available. #39 0x00007fd76c14f0fd 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: 315 (sddm-greeter) UID: 997 (sddm) GID: 997 (sddm) Signal: 11 (SEGV) Timestamp: Thu 2015-11-19 00:47:26 PST (2min 7s ago) Command Line: /usr/bin/sddm-greeter --socket /tmp/sddm-:0-elbePA --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: c824a9a541ec478290428add63143816 Machine ID: deb9c83ad4d342bc9deb9fb3b2902d9a Hostname: quad Coredump: /var/lib/systemd/coredump/core.sddm-greeter.997.c824a9a541ec478290428add63143816.315.1447922846000000.lz4 Message: Process 315 (sddm-greeter) of user 997 dumped core.