| Summary: | Portal crashes in QPlatformWindow::isAncestorOf() crashes when trying to save a file | ||
|---|---|---|---|
| Product: | [Plasma] xdg-desktop-portal-kde | Reporter: | Virinas-code <alexcode228> |
| Component: | general | Assignee: | Plasma Bugs List <plasma-bugs-null> |
| Status: | RESOLVED WORKSFORME | ||
| Severity: | crash | CC: | aleixpol, jgrulich, kdedev, nate |
| Priority: | NOR | Keywords: | drkonqi |
| Version First Reported In: | 5.27.5 | ||
| Target Milestone: | --- | ||
| Platform: | Debian stable | ||
| OS: | Linux | ||
| Latest Commit: | Version Fixed In: | ||
| Sentry Crash Report: | |||
Thank you for the bug report. Unfortunately we were not able to get to it yet. Can we ask you to please check if this is still an issue with either Plasma 5.27.12 (the current LTS version) or Plasma 6.3.2 (the latest released version)? If you can still reproduce the bug, please change the Status to REPORTED. Thanks 🐛🧹 ⚠️ This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information, then set the bug status to REPORTED. If there is no change for at least 30 days, it will be automatically closed as RESOLVED WORKSFORME. For more information about our bug triaging procedures, please read https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging. Thank you for helping us make KDE software even better for everyone! 🐛🧹 This bug has been in NEEDSINFO status with no change for at least 30 days. Closing as RESOLVED WORKSFORME. |
Application: xdg-desktop-portal-kde (5.27.5) Qt Version: 5.15.8 Frameworks Version: 5.103.0 Operating System: Linux 6.1.0-11-amd64 x86_64 Windowing System: X11 Distribution: Debian GNU/Linux 12 (bookworm) DrKonqi: 5.27.5 [CoredumpBackend] -- Information about the crash: Using the IMHex app App already crashed multiple times (unstable) The crash can be reproduced sometimes. -- Backtrace: Application: Portail (xdg-desktop-portal-kde), signal: Segmentation fault PID: 2141 (xdg-desktop-por) UID: 1000 (alexei) GID: 1000 (alexei) Signal: 11 (SEGV) Timestamp: Thu 2023-08-17 02:27:26 CEST (4min 42s ago) Command Line: /usr/lib/x86_64-linux-gnu/libexec/xdg-desktop-portal-kde Executable: /usr/lib/x86_64-linux-gnu/libexec/xdg-desktop-portal-kde Control Group: /user.slice/user-1000.slice/user@1000.service/session.slice/plasma-xdg-desktop-portal-kde.service Unit: user@1000.service User Unit: plasma-xdg-desktop-portal-kde.service Slice: user-1000.slice Owner UID: 1000 (alexei) Boot ID: e32bbb6de839408f994986364b61132e Machine ID: 23280efbaf0542c7ade96ad73a5ca5b1 Hostname: PC-alexei Storage: /var/lib/systemd/coredump/core.xdg-desktop-por.1000.e32bbb6de839408f994986364b61132e.2141.1692232046000000.zst (present) Size on Disk: 4.8M Message: Process 2141 (xdg-desktop-por) of user 1000 dumped core. Module libsystemd.so.0 from deb systemd-252.12-1~deb12u1.amd64 Module libudev.so.1 from deb systemd-252.12-1~deb12u1.amd64 Stack trace of thread 2144: #0 0x00007f3bb84a9d3c n/a (libc.so.6 + 0x8ad3c) #1 0x00007f3bb845af32 raise (libc.so.6 + 0x3bf32) #2 0x00007f3bb78bdb46 _ZN6KCrash19defaultCrashHandlerEi (libKF5Crash.so.5 + 0x5b46) #3 0x00007f3bb845afd0 n/a (libc.so.6 + 0x3bfd0) #4 0x00007f3bb84a9d3c n/a (libc.so.6 + 0x8ad3c) #5 0x00007f3bb845af32 raise (libc.so.6 + 0x3bf32) #6 0x00007f3bb845afd0 n/a (libc.so.6 + 0x3bfd0) #7 0x00007f3bb851b03f __poll (libc.so.6 + 0xfc03f) #8 0x00007f3bb79f0d12 n/a (libxcb.so.1 + 0xcd12) #9 0x00007f3bb79f307a xcb_wait_for_event (libxcb.so.1 + 0xf07a) #10 0x00007f3bb3afaf00 _ZN14QXcbEventQueue3runEv (libQt5XcbQpa.so.5 + 0x6cf00) #11 0x00007f3bb86cbd43 _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xcbd43) #12 0x00007f3bb84a8044 n/a (libc.so.6 + 0x89044) #13 0x00007f3bb85285fc n/a (libc.so.6 + 0x1095fc) Stack trace of thread 2146: #0 0x00007f3bb84a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f3bb84a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f3bb030c059 n/a (crocus_dri.so + 0x10c059) #3 0x00007f3bb02be17b n/a (crocus_dri.so + 0xbe17b) #4 0x00007f3bb030bf97 n/a (crocus_dri.so + 0x10bf97) #5 0x00007f3bb84a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f3bb85285fc n/a (libc.so.6 + 0x1095fc) Stack trace of thread 570125: #0 0x00007f3bb851d921 pselect (libc.so.6 + 0xfe921) #1 0x00007f3bb65eca62 n/a (libusbmuxd-2.0.so.6 + 0x2a62) #2 0x00007f3bb65ede60 n/a (libusbmuxd-2.0.so.6 + 0x3e60) #3 0x00007f3bb84a8044 n/a (libc.so.6 + 0x89044) #4 0x00007f3bb85285fc n/a (libc.so.6 + 0x1095fc) Stack trace of thread 2141: #0 0x00007f3bb851b03f __poll (libc.so.6 + 0xfc03f) #1 0x00007f3bb78bd150 n/a (libKF5Crash.so.5 + 0x5150) #2 0x00007f3bb78bdad6 _ZN6KCrash19defaultCrashHandlerEi (libKF5Crash.so.5 + 0x5ad6) #3 0x00007f3bb845afd0 n/a (libc.so.6 + 0x3bfd0) #4 0x00007f3bb8d2a340 _ZNK15QPlatformWindow6windowEv (libQt5Gui.so.5 + 0x12a340) #5 0x00007f3bb8d2a559 _ZNK15QPlatformWindow6parentEv (libQt5Gui.so.5 + 0x12a559) #6 0x00007f3bb8d2a59c _ZNK15QPlatformWindow12isAncestorOfEPKS_ (libQt5Gui.so.5 + 0x12a59c) #7 0x00007f3bba362154 _ZNK19QApplicationPrivate15isWindowBlockedEP7QWindowPS1_ (libQt5Widgets.so.5 + 0x162154) #8 0x00007f3bb8d35398 _ZN22QGuiApplicationPrivate15showModalWindowEP7QWindow (libQt5Gui.so.5 + 0x135398) #9 0x00007f3bb8d47fb0 _ZN14QWindowPrivate10setVisibleEb (libQt5Gui.so.5 + 0x147fb0) #10 0x00007f3bba398d51 _ZN14QWidgetPrivate8show_sysEv (libQt5Widgets.so.5 + 0x198d51) #11 0x00007f3bba3a19eb _ZN14QWidgetPrivate11show_helperEv (libQt5Widgets.so.5 + 0x1a19eb) #12 0x00007f3bba3a4923 _ZN14QWidgetPrivate10setVisibleEb (libQt5Widgets.so.5 + 0x1a4923) #13 0x00007f3bba56c475 _ZN7QDialog10setVisibleEb (libQt5Widgets.so.5 + 0x36c475) #14 0x00007f3bba56ba71 _ZN7QDialog4execEv (libQt5Widgets.so.5 + 0x36ba71) #15 0x000055cd560ae311 n/a (xdg-desktop-portal-kde + 0x4d311) #16 0x000055cd5608f1b6 n/a (xdg-desktop-portal-kde + 0x2e1b6) #17 0x000055cd56091193 n/a (xdg-desktop-portal-kde + 0x30193) #18 0x00007f3bba19261b n/a (libQt5DBus.so.5 + 0x2361b) #19 0x00007f3bba196326 n/a (libQt5DBus.so.5 + 0x27326) #20 0x00007f3bba196a82 n/a (libQt5DBus.so.5 + 0x27a82) #21 0x00007f3bba198d68 n/a (libQt5DBus.so.5 + 0x29d68) #22 0x00007f3bb88dd6f0 _ZN7QObject5eventEP6QEvent (libQt5Core.so.5 + 0x2dd6f0) #23 0x00007f3bba362fae _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt5Widgets.so.5 + 0x162fae) #24 0x00007f3bb88b16f8 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5 + 0x2b16f8) #25 0x00007f3bb88b4681 _ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData (libQt5Core.so.5 + 0x2b4681) #26 0x00007f3bb890a153 postEventSourceDispatch (libQt5Core.so.5 + 0x30a153) #27 0x00007f3bb6bd47a9 g_main_dispatch (libglib-2.0.so.0 + 0x547a9) #28 0x00007f3bb6bd4a38 g_main_context_iterate (libglib-2.0.so.0 + 0x54a38) #29 0x00007f3bb6bd4acc g_main_context_iteration (libglib-2.0.so.0 + 0x54acc) #30 0x00007f3bb8909836 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x309836) #31 0x00007f3bb88b017b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b017b) #32 0x00007f3bb88b82d6 _ZN16QCoreApplication4execEv (libQt5Core.so.5 + 0x2b82d6) #33 0x000055cd5608c819 n/a (xdg-desktop-portal-kde + 0x2b819) #34 0x00007f3bb84461ca n/a (libc.so.6 + 0x271ca) #35 0x00007f3bb8446285 __libc_start_main (libc.so.6 + 0x27285) #36 0x000055cd5608c9e1 n/a (xdg-desktop-portal-kde + 0x2b9e1) Stack trace of thread 2145: #0 0x00007f3bb851b03f __poll (libc.so.6 + 0xfc03f) #1 0x00007f3bb6bd49ae g_main_context_poll (libglib-2.0.so.0 + 0x549ae) #2 0x00007f3bb6bd4acc g_main_context_iteration (libglib-2.0.so.0 + 0x54acc) #3 0x00007f3bb8909836 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x309836) #4 0x00007f3bb88b017b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b017b) #5 0x00007f3bb86cab87 _ZN7QThread4execEv (libQt5Core.so.5 + 0xcab87) #6 0x00007f3bba186487 n/a (libQt5DBus.so.5 + 0x17487) #7 0x00007f3bb86cbd43 _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xcbd43) #8 0x00007f3bb84a8044 n/a (libc.so.6 + 0x89044) #9 0x00007f3bb85285fc n/a (libc.so.6 + 0x1095fc) ELF object binary architecture: AMD x86-64 [New LWP 2144] [New LWP 2146] [New LWP 570125] [New LWP 2141] [New LWP 2145] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `/usr/lib/x86_64-linux-gnu/libexec/xdg-desktop-portal-kde'. Program terminated with signal SIGSEGV, Segmentation fault. #0 __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=11, no_tid=no_tid@entry=0) at ./nptl/pthread_kill.c:44 [Current thread is 1 (Thread 0x7f3bb37ff6c0 (LWP 2144))] [Current thread is 1 (Thread 0x7f3bb37ff6c0 (LWP 2144))] Thread 5 (Thread 0x7f3bb2dfe6c0 (LWP 2145)): #0 0x00007f3bb851b03f in __GI___poll (fds=0x7f3ba40137c0, nfds=5, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f3bb6bd49ae in g_main_context_poll (priority=<optimized out>, n_fds=5, fds=0x7f3ba40137c0, timeout=<optimized out>, context=0x7f3ba4000c30) at ../../../glib/gmain.c:4553 #2 g_main_context_iterate (context=context@entry=0x7f3ba4000c30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4243 #3 0x00007f3bb6bd4acc in g_main_context_iteration (context=0x7f3ba4000c30, may_block=1) at ../../../glib/gmain.c:4313 #4 0x00007f3bb8909836 in QEventDispatcherGlib::processEvents (this=0x7f3ba4000b70, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #5 0x00007f3bb88b017b in QEventLoop::exec (this=this@entry=0x7f3bb2dfdb90, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69 #6 0x00007f3bb86cab87 in QThread::exec (this=this@entry=0x7f3bba1fed80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #7 0x00007f3bba186487 in QDBusConnectionManager::run (this=0x7f3bba1fed80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ./src/dbus/qdbusconnection.cpp:179 #8 0x00007f3bb86cbd43 in QThreadPrivate::start (arg=0x7f3bba1fed80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:331 #9 0x00007f3bb84a8044 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442 #10 0x00007f3bb85285fc in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 Thread 4 (Thread 0x7f3bb468b9c0 (LWP 2141)): [KCrash Handler] #4 QPlatformWindow::window (this=this@entry=0x3) at kernel/qplatformwindow.cpp:89 #5 0x00007f3bb8d2a559 in QPlatformWindow::parent (this=0x3) at kernel/qplatformwindow.cpp:97 #6 0x00007f3bb8d2a59c in QPlatformWindow::isAncestorOf (this=0x55cd57818f40, child=<optimized out>) at kernel/qplatformwindow.cpp:232 #7 0x00007f3bba362154 in QApplicationPrivate::isWindowBlocked (this=0x55cd56ccd890, window=0x55cd570603b0, blockingWindow=0x7fff4b8b14b8) at kernel/qapplication.cpp:2379 #8 0x00007f3bb8d35398 in QGuiApplicationPrivate::showModalWindow (modal=modal@entry=0x55cd5715e040) at kernel/qguiapplication.cpp:865 #9 0x00007f3bb8d47fb0 in QWindowPrivate::setVisible (this=0x55cd57041ca0, visible=visible@entry=true) at kernel/qwindow.cpp:389 #10 0x00007f3bba3bc74d in QWidgetWindow::setNativeWindowVisibility (this=this@entry=0x55cd5715e040, visible=visible@entry=true) at kernel/qwidgetwindow.cpp:215 #11 0x00007f3bba398d51 in QWidgetPrivate::show_sys (this=this@entry=0x55cd57057030) at kernel/qwidget.cpp:7917 #12 0x00007f3bba3a19eb in QWidgetPrivate::show_helper (this=this@entry=0x55cd57057030) at kernel/qwidget.cpp:7840 #13 0x00007f3bba3a4923 in QWidgetPrivate::setVisible (this=0x55cd57057030, visible=<optimized out>) at kernel/qwidget.cpp:8136 #14 0x00007f3bba3a4c02 in QWidget::setVisible (this=this@entry=0x55cd56f83bd0, visible=visible@entry=true) at kernel/qwidget.cpp:8068 #15 0x00007f3bba56c475 in QDialog::setVisible (this=0x55cd56f83bd0, visible=<optimized out>) at dialogs/qdialog.cpp:787 #16 0x00007f3bba56ba71 in QDialog::exec (this=0x55cd56f83bd0) at dialogs/qdialog.cpp:593 #17 0x000055cd560ae311 in ?? () #18 0x000055cd5608f1b6 in ?? () #19 0x000055cd56091193 in ?? () #20 0x00007f3bba19261b in QDBusConnectionPrivate::deliverCall (this=this@entry=0x7f3ba400c0c0, object=object@entry=0x55cd56dddf50, msg=..., metaTypes=..., slotIdx=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qvarlengtharray.h:189 #21 0x00007f3bba196326 in QDBusConnectionPrivate::activateCall (this=this@entry=0x7f3ba400c0c0, object=0x55cd56dddf50, flags=flags@entry=273, msg=...) at ./src/dbus/qdbusintegrator.cpp:911 #22 0x00007f3bba196a82 in QDBusConnectionPrivate::activateCall (msg=..., flags=273, object=<optimized out>, this=0x7f3ba400c0c0) at ./src/dbus/qdbusintegrator.cpp:853 #23 QDBusConnectionPrivate::activateObject (this=0x7f3ba400c0c0, node=..., msg=..., pathStartPos=<optimized out>) at ./src/dbus/qdbusintegrator.cpp:1497 #24 0x00007f3bba198d68 in QDBusActivateObjectEvent::placeMetaCall (this=0x55cd57442b80) at ./src/dbus/qdbusintegrator.cpp:1617 #25 0x00007f3bb88dd6f0 in QObject::event (this=0x55cd56dda710, e=0x55cd57442b80) at kernel/qobject.cpp:1347 #26 0x00007f3bba362fae in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55cd56dda710, e=0x55cd57442b80) at kernel/qapplication.cpp:3640 #27 0x00007f3bb88b16f8 in QCoreApplication::notifyInternal2 (receiver=0x55cd56dda710, event=0x55cd57442b80) at kernel/qcoreapplication.cpp:1064 #28 0x00007f3bb88b18be in QCoreApplication::sendEvent (receiver=<optimized out>, event=<optimized out>) at kernel/qcoreapplication.cpp:1462 #29 0x00007f3bb88b4681 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x55cd56caff50) at kernel/qcoreapplication.cpp:1821 #30 0x00007f3bb88b4b08 in QCoreApplication::sendPostedEvents (receiver=<optimized out>, event_type=<optimized out>) at kernel/qcoreapplication.cpp:1680 #31 0x00007f3bb890a153 in postEventSourceDispatch (s=0x55cd56d8fcc0) at kernel/qeventdispatcher_glib.cpp:277 #32 0x00007f3bb6bd47a9 in g_main_dispatch (context=0x7f3bac005010) at ../../../glib/gmain.c:3454 #33 g_main_context_dispatch (context=context@entry=0x7f3bac005010) at ../../../glib/gmain.c:4172 #34 0x00007f3bb6bd4a38 in g_main_context_iterate (context=context@entry=0x7f3bac005010, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4248 #35 0x00007f3bb6bd4acc in g_main_context_iteration (context=0x7f3bac005010, may_block=1) at ../../../glib/gmain.c:4313 #36 0x00007f3bb8909836 in QEventDispatcherGlib::processEvents (this=0x55cd56d97a40, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #37 0x00007f3bb88b017b in QEventLoop::exec (this=this@entry=0x7fff4b8b2090, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69 #38 0x00007f3bb88b82d6 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #39 0x000055cd5608c819 in ?? () #40 0x00007f3bb84461ca in __libc_start_call_main (main=main@entry=0x55cd5608c680, argc=argc@entry=1, argv=argv@entry=0x7fff4b8b22a8) at ../sysdeps/nptl/libc_start_call_main.h:58 #41 0x00007f3bb8446285 in __libc_start_main_impl (main=0x55cd5608c680, argc=1, argv=0x7fff4b8b22a8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff4b8b2298) at ../csu/libc-start.c:360 #42 0x000055cd5608c9e1 in ?? () Thread 3 (Thread 0x7f3ba9ffe6c0 (LWP 570125)): #0 pselect64_syscall (sigmask=0x0, timeout=<optimized out>, exceptfds=0x0, writefds=0x0, readfds=0x7f3ba9ff5ad0, nfds=5) at ../sysdeps/unix/sysv/linux/pselect.c:34 #1 __pselect (nfds=nfds@entry=5, readfds=readfds@entry=0x7f3ba9ff5ad0, writefds=writefds@entry=0x0, exceptfds=exceptfds@entry=0x0, timeout=<optimized out>, timeout@entry=0x7f3ba9ff5ac0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/pselect.c:56 #2 0x00007f3bb65eca62 in usbmuxd_listen_inotify () at libusbmuxd.c:923 #3 0x00007f3bb65ede60 in usbmuxd_listen () at libusbmuxd.c:979 #4 device_monitor (data=<optimized out>) at libusbmuxd.c:1107 #5 0x00007f3bb84a8044 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442 #6 0x00007f3bb85285fc in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 Thread 2 (Thread 0x7f3baa7ff6c0 (LWP 2146)): #0 __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x55cd56e62778) at ./nptl/futex-internal.c:57 #1 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55cd56e62778, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at ./nptl/futex-internal.c:87 #2 0x00007f3bb84a4e0b in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55cd56e62778, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139 #3 0x00007f3bb84a7468 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55cd56e62728, cond=0x55cd56e62750) at ./nptl/pthread_cond_wait.c:503 #4 ___pthread_cond_wait (cond=0x55cd56e62750, mutex=0x55cd56e62728) at ./nptl/pthread_cond_wait.c:618 #5 0x00007f3bb030c059 in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:135 #6 0x00007f3bb02be17b in util_queue_thread_func (input=input@entry=0x55cd56e5cab0) at ../src/util/u_queue.c:290 #7 0x00007f3bb030bf97 in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67 #8 0x00007f3bb84a8044 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442 #9 0x00007f3bb85285fc in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 Thread 1 (Thread 0x7f3bb37ff6c0 (LWP 2144)): [KCrash Handler] #5 __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=11, no_tid=no_tid@entry=0) at ./nptl/pthread_kill.c:44 #6 0x00007f3bb84a9d9f in __pthread_kill_internal (signo=11, threadid=<optimized out>) at ./nptl/pthread_kill.c:78 #7 0x00007f3bb845af32 in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26 #8 <signal handler called> #9 0x00007f3bb851b03f in __GI___poll (fds=fds@entry=0x7f3bb37feac8, nfds=nfds@entry=1, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #10 0x00007f3bb79f0d12 in poll (__timeout=-1, __nfds=1, __fds=0x7f3bb37feac8) at /usr/include/x86_64-linux-gnu/bits/poll2.h:47 #11 _xcb_conn_wait (c=c@entry=0x55cd56ce0470, cond=cond@entry=0x55cd56ce04b0, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:508 #12 0x00007f3bb79f307a in xcb_wait_for_event (c=0x55cd56ce0470) at ../../src/xcb_in.c:703 #13 0x00007f3bb3afaf00 in QXcbEventQueue::run (this=0x55cd56ccf530) at ./src/plugins/platforms/xcb/qxcbeventqueue.cpp:228 #14 0x00007f3bb86cbd43 in QThreadPrivate::start (arg=0x55cd56ccf530) at thread/qthread_unix.cpp:331 #15 0x00007f3bb84a8044 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442 #16 0x00007f3bb85285fc in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 Reported using DrKonqi