➜ sudo coredumpctl gdb [sudo] password for noraj: PID: 919 (sddm-greeter) UID: 975 (sddm) GID: 975 (sddm) Signal: 11 (SEGV) Timestamp: Sun 2023-07-09 21:06:37 CEST (14min ago) Command Line: /usr/bin/sddm-greeter --socket /tmp/sddm-:0-DYBAEB --theme /usr/share/sddm/themes/Sweet Executable: /usr/bin/sddm-greeter Control Group: /user.slice/user-975.slice/session-c1.scope Unit: session-c1.scope Slice: user-975.slice Session: c1 Owner UID: 975 (sddm) Boot ID: cd249453fff8437bb73c458342c8b08b Machine ID: af7862d524944fa996adc40d3632bb81 Hostname: archpowa Storage: /var/lib/systemd/coredump/core.sddm-greeter.975.cd249453fff8437bb73c458342c8b08b.919.1688929597000000.zst (present) Size on Disk: 7.3M Message: Process 919 (sddm-greeter) of user 975 dumped core. Stack trace of thread 919: #0 0x00007fc53049cf2b n/a (libQt5Qml.so.5 + 0x29cf2b) #1 0x00007fc5302afdf8 n/a (libQt5Qml.so.5 + 0xafdf8) #2 0x00007fc5302b0474 n/a (libQt5Qml.so.5 + 0xb0474) #3 0x00007fc5302b3390 _ZN3QV413MemoryManager5sweepEbPFvPKcE (libQt5Qml.so.5 + 0xb3390) #4 0x00007fc5302b3a4e n/a (libQt5Qml.so.5 + 0xb3a4e) #5 0x00007fc5302b507b _ZN3QV413MemoryManager11allocStringEm (libQt5Qml.so.5 + 0xb507b) #6 0x00007fc530308a72 _ZN3QV415ExecutionEngine9newStringERK7QString (libQt5Qml.so.5 + 0x108a72) #7 0x00007fc53033f700 n/a (libQt5Qml.so.5 + 0x13f700) #8 0x00007fc530399496 _ZN3QV414RuntimeHelpers19ordinaryToPrimitiveEPNS_15ExecutionEngineEPKNS_6ObjectEPNS_6StringE (libQt5Qml.so.5 + 0x199496) #9 0x00007fc5303996e5 _ZN3QV414RuntimeHelpers18objectDefaultValueEPKNS_6ObjectEi (libQt5Qml.so.5 + 0x1996e5) #10 0x00007fc5303a6047 _ZNK3QV45Value16toQStringNoThrowEv (libQt5Qml.so.5 + 0x1a6047) #11 0x00007fc53031680f _ZN3QV415ExecutionEngine24catchExceptionAsQmlErrorEv (libQt5Qml.so.5 + 0x11680f) #12 0x00007fc5304999eb _ZN24QQmlJavaScriptExpression8evaluateEPN3QV48CallDataEPb (libQt5Qml.so.5 + 0x2999eb) #13 0x00007fc530499f19 _ZN11QQmlBinding8evaluateEPb (libQt5Qml.so.5 + 0x299f19) #14 0x00007fc53049a04a n/a (libQt5Qml.so.5 + 0x29a04a) #15 0x00007fc53049b783 _ZN11QQmlBinding6updateE6QFlagsIN16QQmlPropertyData9WriteFlagEE (libQt5Qml.so.5 + 0x29b783) #16 0x00007fc530478705 _ZN12QQmlNotifier10emitNotifyEP20QQmlNotifierEndpointPPv (libQt5Qml.so.5 + 0x278705) #17 0x00007fc52f6cff90 n/a (libQt5Core.so.5 + 0x2cff90) #18 0x00007fc52f6d06a7 n/a (libQt5Core.so.5 + 0x2d06a7) #19 0x00007fc52f6d0aa4 _ZN7QObject9destroyedEPS_ (libQt5Core.so.5 + 0x2d0aa4) #20 0x00007fc52f6c6bbc _ZN7QObjectD2Ev (libQt5Core.so.5 + 0x2c6bbc) #21 0x00007fc52ee52066 n/a (libc.so.6 + 0x3c066) #22 0x00007fc52ee521b0 exit (libc.so.6 + 0x3c1b0) #23 0x00007fc52ee39857 n/a (libc.so.6 + 0x23857) #24 0x00007fc52ee3990a __libc_start_main (libc.so.6 + 0x2390a) #25 0x0000557589c7c655 n/a (sddm-greeter + 0x15655) Stack trace of thread 921: #0 0x00007fc52ef13c0f __poll (libc.so.6 + 0xfdc0f) #1 0x00007fc52e16cc2f n/a (libglib-2.0.so.0 + 0xb7c2f) #2 0x00007fc52e10d0e2 g_main_context_iteration (libglib-2.0.so.0 + 0x580e2) #3 0x00007fc52f6ea5cc _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2ea5cc) #4 0x00007fc52f69a484 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x29a484) #5 0x00007fc52f4f72b6 _ZN7QThread4execEv (libQt5Core.so.5 + 0xf72b6) #6 0x00007fc52af97a9a n/a (libQt5DBus.so.5 + 0x18a9a) #7 0x00007fc52f4f34da n/a (libQt5Core.so.5 + 0xf34da) #8 0x00007fc52ee9d44b n/a (libc.so.6 + 0x8744b) #9 0x00007fc52ef20e40 n/a (libc.so.6 + 0x10ae40) Stack trace of thread 934: #0 0x00007fc52ef13c0f __poll (libc.so.6 + 0xfdc0f) #1 0x00007fc52e16cc2f n/a (libglib-2.0.so.0 + 0xb7c2f) #2 0x00007fc52e10d0e2 g_main_context_iteration (libglib-2.0.so.0 + 0x580e2) #3 0x00007fc52f6ea5cc _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2ea5cc) #4 0x00007fc52f69a484 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x29a484) #5 0x00007fc52f4f72b6 _ZN7QThread4execEv (libQt5Core.so.5 + 0xf72b6) #6 0x00007fc5304c2ab0 n/a (libQt5Qml.so.5 + 0x2c2ab0) #7 0x00007fc52f4f34da n/a (libQt5Core.so.5 + 0xf34da) #8 0x00007fc52ee9d44b n/a (libc.so.6 + 0x8744b) #9 0x00007fc52ef20e40 n/a (libc.so.6 + 0x10ae40) Stack trace of thread 933: #0 0x00007fc52ef13c0f __poll (libc.so.6 + 0xfdc0f) #1 0x00007fc52e16cc2f n/a (libglib-2.0.so.0 + 0xb7c2f) #2 0x00007fc52e10d0e2 g_main_context_iteration (libglib-2.0.so.0 + 0x580e2) #3 0x00007fc52f6ea5cc _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2ea5cc) #4 0x00007fc52f69a484 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x29a484) #5 0x00007fc52f4f72b6 _ZN7QThread4execEv (libQt5Core.so.5 + 0xf72b6) #6 0x00007fc53095642f n/a (libQt5Quick.so.5 + 0x15642f) #7 0x00007fc52f4f34da n/a (libQt5Core.so.5 + 0xf34da) #8 0x00007fc52ee9d44b n/a (libc.so.6 + 0x8744b) #9 0x00007fc52ef20e40 n/a (libc.so.6 + 0x10ae40) Stack trace of thread 937: #0 0x00007fc52ef13c0f __poll (libc.so.6 + 0xfdc0f) #1 0x00007fc52e16cc2f n/a (libglib-2.0.so.0 + 0xb7c2f) #2 0x00007fc52e10d0e2 g_main_context_iteration (libglib-2.0.so.0 + 0x580e2) #3 0x00007fc52f6ea5cc _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2ea5cc) #4 0x00007fc52f69a484 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x29a484) #5 0x00007fc52f4f72b6 _ZN7QThread4execEv (libQt5Core.so.5 + 0xf72b6) #6 0x00007fc5304c2ab0 n/a (libQt5Qml.so.5 + 0x2c2ab0) #7 0x00007fc52f4f34da n/a (libQt5Core.so.5 + 0xf34da) #8 0x00007fc52ee9d44b n/a (libc.so.6 + 0x8744b) #9 0x00007fc52ef20e40 n/a (libc.so.6 + 0x10ae40) Stack trace of thread 929: #0 0x00007fc52ef13c0f __poll (libc.so.6 + 0xfdc0f) #1 0x00007fc52e16cc2f n/a (libglib-2.0.so.0 + 0xb7c2f) #2 0x00007fc52e10d0e2 g_main_context_iteration (libglib-2.0.so.0 + 0x580e2) #3 0x00007fc52f6ea5cc _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2ea5cc) #4 0x00007fc52f69a484 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x29a484) #5 0x00007fc52f4f72b6 _ZN7QThread4execEv (libQt5Core.so.5 + 0xf72b6) #6 0x00007fc5304c2ab0 n/a (libQt5Qml.so.5 + 0x2c2ab0) #7 0x00007fc52f4f34da n/a (libQt5Core.so.5 + 0xf34da) #8 0x00007fc52ee9d44b n/a (libc.so.6 + 0x8744b) #9 0x00007fc52ef20e40 n/a (libc.so.6 + 0x10ae40) ELF object binary architecture: AMD x86-64 GNU gdb (GDB) 13.1 Copyright (C) 2023 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 /usr/bin/sddm-greeter... (No debugging symbols found in /usr/bin/sddm-greeter) warning: Can't open file /memfd:JSGCHeap:QtQml (deleted) during file-backed mapping note processing warning: Can't open file /memfd:JSVMStack:QtQml (deleted) during file-backed mapping note processing warning: Can't open file /memfd:JITCode:QtQml (deleted) during file-backed mapping note processing warning: Can't open file /memfd:unknown-usage:QtQml (deleted) during file-backed mapping note processing [New LWP 919] [New LWP 921] [New LWP 934] [New LWP 933] [New LWP 937] [New LWP 929] [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-DYBAEB --theme /usr/share/sddm/them'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007fc53049cf2b in ?? () from /usr/lib/libQt5Qml.so.5 [Current thread is 1 (Thread 0x7fc52eafdf40 (LWP 919))] (gdb) set logging enabled Copying output to gdb.txt. Copying debug output to gdb.txt. (gdb) bt #0 0x00007fc53049cf2b in () at /usr/lib/libQt5Qml.so.5 #1 0x00007fc5302afdf8 in () at /usr/lib/libQt5Qml.so.5 #2 0x00007fc5302b0474 in () at /usr/lib/libQt5Qml.so.5 #3 0x00007fc5302b3390 in QV4::MemoryManager::sweep(bool, void (*)(char const*)) () at /usr/lib/libQt5Qml.so.5 #4 0x00007fc5302b3a4e in () at /usr/lib/libQt5Qml.so.5 #5 0x00007fc5302b507b in QV4::MemoryManager::allocString(unsigned long) () at /usr/lib/libQt5Qml.so.5 #6 0x00007fc530308a72 in QV4::ExecutionEngine::newString(QString const&) () at /usr/lib/libQt5Qml.so.5 #7 0x00007fc53033f700 in () at /usr/lib/libQt5Qml.so.5 #8 0x00007fc530399496 in QV4::RuntimeHelpers::ordinaryToPrimitive(QV4::ExecutionEngine*, QV4::Object const*, QV4::String*) () at /usr/lib/libQt5Qml.so.5 #9 0x00007fc5303996e5 in QV4::RuntimeHelpers::objectDefaultValue(QV4::Object const*, int) () at /usr/lib/libQt5Qml.so.5 #10 0x00007fc5303a6047 in QV4::Value::toQStringNoThrow() const () at /usr/lib/libQt5Qml.so.5 #11 0x00007fc53031680f in QV4::ExecutionEngine::catchExceptionAsQmlError() () at /usr/lib/libQt5Qml.so.5 #12 0x00007fc5304999eb in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () at /usr/lib/libQt5Qml.so.5 #13 0x00007fc530499f19 in QQmlBinding::evaluate(bool*) () at /usr/lib/libQt5Qml.so.5 #14 0x00007fc53049a04a in () at /usr/lib/libQt5Qml.so.5 #15 0x00007fc53049b783 in QQmlBinding::update(QFlags) () at /usr/lib/libQt5Qml.so.5 #16 0x00007fc530478705 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/libQt5Qml.so.5 #17 0x00007fc52f6cff90 in () at /usr/lib/libQt5Core.so.5 #18 0x00007fc52f6d06a7 in () at /usr/lib/libQt5Core.so.5 #19 0x00007fc52f6d0aa4 in QObject::destroyed(QObject*) () at /usr/lib/libQt5Core.so.5 #20 0x00007fc52f6c6bbc in QObject::~QObject() () at /usr/lib/libQt5Core.so.5 #21 0x00007fc52ee52066 in () at /usr/lib/libc.so.6 #22 0x00007fc52ee521b0 in () at /usr/lib/libc.so.6 #23 0x00007fc52ee39857 in () at /usr/lib/libc.so.6 #24 0x00007fc52ee3990a in __libc_start_main () at /usr/lib/libc.so.6 #25 0x0000557589c7c655 in () (gdb) bt full #0 0x00007fc53049cf2b in () at /usr/lib/libQt5Qml.so.5 #1 0x00007fc5302afdf8 in () at /usr/lib/libQt5Qml.so.5 #2 0x00007fc5302b0474 in () at /usr/lib/libQt5Qml.so.5 #3 0x00007fc5302b3390 in QV4::MemoryManager::sweep(bool, void (*)(char const*)) () at /usr/lib/libQt5Qml.so.5 #4 0x00007fc5302b3a4e in () at /usr/lib/libQt5Qml.so.5 #5 0x00007fc5302b507b in QV4::MemoryManager::allocString(unsigned long) () at /usr/lib/libQt5Qml.so.5 #6 0x00007fc530308a72 in QV4::ExecutionEngine::newString(QString const&) () at /usr/lib/libQt5Qml.so.5 #7 0x00007fc53033f700 in () at /usr/lib/libQt5Qml.so.5 #8 0x00007fc530399496 in QV4::RuntimeHelpers::ordinaryToPrimitive(QV4::ExecutionEngine*, QV4::Object const*, QV4::String*) () at /usr/lib/libQt5Qml.so.5 #9 0x00007fc5303996e5 in QV4::RuntimeHelpers::objectDefaultValue(QV4::Object const*, int) () at /usr/lib/libQt5Qml.so.5 #10 0x00007fc5303a6047 in QV4::Value::toQStringNoThrow() const () at /usr/lib/libQt5Qml.so.5 #11 0x00007fc53031680f in QV4::ExecutionEngine::catchExceptionAsQmlError() () at /usr/lib/libQt5Qml.so.5 #12 0x00007fc5304999eb in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () at /usr/lib/libQt5Qml.so.5 #13 0x00007fc530499f19 in QQmlBinding::evaluate(bool*) () at /usr/lib/libQt5Qml.so.5 #14 0x00007fc53049a04a in () at /usr/lib/libQt5Qml.so.5 #15 0x00007fc53049b783 in QQmlBinding::update(QFlags) () at /usr/lib/libQt5Qml.so.5 #16 0x00007fc530478705 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/libQt5Qml.so.5 #17 0x00007fc52f6cff90 in () at /usr/lib/libQt5Core.so.5 #18 0x00007fc52f6d06a7 in () at /usr/lib/libQt5Core.so.5 #19 0x00007fc52f6d0aa4 in QObject::destroyed(QObject*) () at /usr/lib/libQt5Core.so.5 #20 0x00007fc52f6c6bbc in QObject::~QObject() () at /usr/lib/libQt5Core.so.5 #21 0x00007fc52ee52066 in () at /usr/lib/libc.so.6 #22 0x00007fc52ee521b0 in () at /usr/lib/libc.so.6 #23 0x00007fc52ee39857 in () at /usr/lib/libc.so.6 #24 0x00007fc52ee3990a in __libc_start_main () at /usr/lib/libc.so.6 #25 0x0000557589c7c655 in () (gdb) exit