https://bugs.kde.org/show_bug.cgi?id=418552
Bug ID: 418552
Summary: Random crashes on ppc64
Product: kate
Version: 19.12.0
Platform: Debian stable
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwrite-bugs-n...@kde.org
Reporter: peterjpiwowar...@gmail.com
Target Milestone: ---
Application: kate (19.12.0)
Qt Version: 5.12.5
Frameworks Version: 5.62.0
Operating System: Linux 5.3.0-3-powerpc64 ppc64
Distribution: Debian GNU/Linux bullseye/sid
-- Information about the crash:
I've seen occasional random crashes while editing C sources on Debian/ppc64
sid. In the specific case this backtrace was generated from, I had all files
matching drivers/macintosh/windfarm*.? in the Linux source tree open. I can't
say for sure what input triggers it, or whether it even triggers on a user
input (as opposed to randomly whenever the window is open), but a quick glance
over the backtrace suggests it probably is some mouse/keyboard event. More
information (possibly) coming as I continue to see crashes, but I don't have
constant access to this machine or use it very regularly.
The crash can be reproduced sometimes.
-- Backtrace:
Application: Kate (kate), signal: Segmentation fault
Using host libthread_db library "/lib/powerpc64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fff92949b30 (LWP 5131))]
Thread 8 (Thread 0x7fff6cb1f070 (LWP 5142)):
#0 0x00007fff924a67bc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x1308f8070) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x1308f8020,
cond=0x1308f8048) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x1308f8048, mutex=0x1308f8020) at
pthread_cond_wait.c:655
#3 0x00007fff93cd5714 in __pthread_cond_wait (cond=<optimized out>,
mutex=<optimized out>) at forward.c:149
#4 0x00007fff74f2b5fc in () at /usr/lib/powerpc64-linux-gnu/dri/swrast_dri.so
#5 0x00007fff74f2b540 in () at /usr/lib/powerpc64-linux-gnu/dri/swrast_dri.so
#6 0x00007fff9249dc88 in start_thread (arg=0x7fff6cb1f070) at
pthread_create.c:486
#7 0x00007fff93cc3770 in .__clone () at
../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
Thread 7 (Thread 0x7fff6d32f070 (LWP 5141)):
#0 0x00007fff924a67bc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x1308f8070) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x1308f8020,
cond=0x1308f8048) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x1308f8048, mutex=0x1308f8020) at
pthread_cond_wait.c:655
#3 0x00007fff93cd5714 in __pthread_cond_wait (cond=<optimized out>,
mutex=<optimized out>) at forward.c:149
#4 0x00007fff74f2b5fc in () at /usr/lib/powerpc64-linux-gnu/dri/swrast_dri.so
#5 0x00007fff74f2b540 in () at /usr/lib/powerpc64-linux-gnu/dri/swrast_dri.so
#6 0x00007fff9249dc88 in start_thread (arg=0x7fff6d32f070) at
pthread_create.c:486
#7 0x00007fff93cc3770 in .__clone () at
../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
Thread 6 (Thread 0x7fff6db3f070 (LWP 5140)):
#0 0x00007fff924a67bc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x1308fc7a8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x1308fc758,
cond=0x1308fc780) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x1308fc780, mutex=0x1308fc758) at
pthread_cond_wait.c:655
#3 0x00007fff93cd5714 in __pthread_cond_wait (cond=<optimized out>,
mutex=<optimized out>) at forward.c:149
#4 0x00007fff74f2eacc in () at /usr/lib/powerpc64-linux-gnu/dri/swrast_dri.so
#5 0x00007fff74f2e890 in () at /usr/lib/powerpc64-linux-gnu/dri/swrast_dri.so
#6 0x00007fff9249dc88 in start_thread (arg=0x7fff6db3f070) at
pthread_create.c:486
#7 0x00007fff93cc3770 in .__clone () at
../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
Thread 5 (Thread 0x7fff6e34f070 (LWP 5139)):
#0 0x00007fff924a67bc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x1308fc648) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x1308fc5f8,
cond=0x1308fc620) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x1308fc620, mutex=0x1308fc5f8) at
pthread_cond_wait.c:655
#3 0x00007fff93cd5714 in __pthread_cond_wait (cond=<optimized out>,
mutex=<optimized out>) at forward.c:149
#4 0x00007fff74f2eacc in () at /usr/lib/powerpc64-linux-gnu/dri/swrast_dri.so
#5 0x00007fff74f2e890 in () at /usr/lib/powerpc64-linux-gnu/dri/swrast_dri.so
#6 0x00007fff9249dc88 in start_thread (arg=0x7fff6e34f070) at
pthread_create.c:486
#7 0x00007fff93cc3770 in .__clone () at
../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
Thread 4 (Thread 0x7fff84dcf070 (LWP 5135)):
#0 0x00007fff945a9ff0 in timerSourcePrepare(GSource*, gint*)
(source=<optimized out>, timeout=0x7fff84dce05c) at
kernel/qeventdispatcher_glib.cpp:137
#1 0x00007fff91711204 in g_main_context_prepare () at
/lib/powerpc64-linux-gnu/libglib-2.0.so.0
#2 0x00007fff91711f78 in () at /lib/powerpc64-linux-gnu/libglib-2.0.so.0
#3 0x00007fff91712240 in g_main_context_iteration () at
/lib/powerpc64-linux-gnu/libglib-2.0.so.0
#4 0x00007fff945aa48c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fff7c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5 0x00007fff94523450 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at /usr/include/c++/9/bits/atomic_base.h:734
#6 0x00007fff94523b7c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fff84dce4a8,
flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#7 0x00007fff942b58b4 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#8 0x00007fff948eaa0c in () at /lib/powerpc64-linux-gnu/libQt5DBus.so.5
#9 0x00007fff942b7b6c in QThreadPrivate::start(void*) (arg=0x7fff949c3c48) at
thread/qthread_unix.cpp:361
#10 0x00007fff9249dc88 in start_thread (arg=0x7fff84dcf070) at
pthread_create.c:486
#11 0x00007fff93cc3770 in .__clone () at
../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
Thread 3 (Thread 0x7fff8756f070 (LWP 5134)):
#0 0x00007fff93cb624c in __GI___poll (fds=0x7fff7800afe0, nfds=1,
timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fff91727c50 in g_poll () at
/lib/powerpc64-linux-gnu/libglib-2.0.so.0
#2 0x00007fff9171209c in () at /lib/powerpc64-linux-gnu/libglib-2.0.so.0
#3 0x00007fff9171266c in g_main_loop_run () at
/lib/powerpc64-linux-gnu/libglib-2.0.so.0
#4 0x00007fff8c6c96b8 in () at /lib/powerpc64-linux-gnu/libgio-2.0.so.0
#5 0x00007fff9174c834 in () at /lib/powerpc64-linux-gnu/libglib-2.0.so.0
#6 0x00007fff9249dc88 in start_thread (arg=0x7fff8756f070) at
pthread_create.c:486
#7 0x00007fff93cc3770 in .__clone () at
../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
Thread 2 (Thread 0x7fff87d7f070 (LWP 5133)):
#0 0x00007fff9177dde0 in g_private_get () at
/lib/powerpc64-linux-gnu/libglib-2.0.so.0
#1 0x00007fff9174d084 in g_thread_self () at
/lib/powerpc64-linux-gnu/libglib-2.0.so.0
#2 0x00007fff9171222c in g_main_context_iteration () at
/lib/powerpc64-linux-gnu/libglib-2.0.so.0
#3 0x00007fff917122dc in () at /lib/powerpc64-linux-gnu/libglib-2.0.so.0
#4 0x00007fff9174c834 in () at /lib/powerpc64-linux-gnu/libglib-2.0.so.0
#5 0x00007fff9249dc88 in start_thread (arg=0x7fff87d7f070) at
pthread_create.c:486
#6 0x00007fff93cc3770 in .__clone () at
../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
Thread 1 (Thread 0x7fff92949b30 (LWP 5131)):
[KCrash Handler]
#6 0x00007fff94533950 in QMetaObject::cast(QObject const*) const
(this=0x7fff95c24b28 <QAction::staticMetaObject>, obj=0x133e64b10) at
kernel/qmetaobject.cpp:381
#7 0x00007fff945339d0 in QMetaObject::cast(QObject*) const (this=<optimized
out>, obj=<optimized out>) at kernel/qmetaobject.cpp:370
#8 0x00007fff96552f50 in () at /lib/powerpc64-linux-gnu/libKF5XmlGui.so.5
#9 0x00007fff945259bc in
QCoreApplicationPrivate::sendThroughApplicationEventFilters(QObject*, QEvent*)
(event=<optimized out>, receiver=<optimized out>, this=<optimized out>) at
kernel/qcoreapplication.cpp:1196
#10 QCoreApplicationPrivate::sendThroughApplicationEventFilters(QObject*,
QEvent*) (this=0x12f85a800, receiver=0x133e64b10, event=0x7fffe501e780) at
kernel/qcoreapplication.cpp:1181
#11 0x00007fff955474b0 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=0x12f85a800, receiver=0x133e64b10, e=0x7fffe501e780) at
kernel/qapplication.cpp:3685
#12 0x00007fff955551e0 in QApplication::notify(QObject*, QEvent*)
(this=0x7fffe5020070, receiver=0x133e64b10, e=0x7fffe501e780) at
kernel/qapplication.cpp:3650
#13 0x00007fff9452604c in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x133e64b10, event=0x7fffe501e780) at
../../include/QtCore/5.12.5/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:322
#14 0x00007fff945263e4 in QCoreApplication::sendEvent(QObject*, QEvent*)
(receiver=<optimized out>, event=<optimized out>) at
kernel/qcoreapplication.cpp:1476
#15 0x00007fff95552e7c in QApplicationPrivate::dispatchEnterLeave(QWidget*,
QWidget*, QPointF const&) (enter=0x133e64b10, leave=<optimized out>,
globalPosF=...) at kernel/qapplication.cpp:2296
#16 0x00007fff95554138 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool)
(receiver=0x133e64b10, event=0x7fffe501ec40, alienWidget=0x0,
nativeWidget=0x133e64b10, buttonDown=0x7fff95cc6640 <qt_button_down>,
lastMouseReceiver=..., spontaneous=<optimized out>,
onlyDispatchEnterLeave=<optimized out>) at
../../include/QtGui/../../src/gui/kernel/qevent.h:130
#17 0x00007fff955d3730 in QWidgetWindow::handleMouseEvent(QMouseEvent*)
(this=this@entry=0x132503c70, event=event@entry=0x7fffe501f4a8) at
/usr/include/c++/9/bits/atomic_base.h:413
#18 0x00007fff955d7f0c in QWidgetWindow::event(QEvent*) (event=0x7fffe501f4a8,
this=0x132503c70) at kernel/qwidgetwindow.cpp:281
#19 QWidgetWindow::event(QEvent*) (this=0x132503c70, event=0x7fffe501f4a8) at
kernel/qwidgetwindow.cpp:224
#20 0x00007fff95547394 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=<optimized out>, receiver=0x132503c70, e=0x7fffe501f4a8) at
kernel/qapplication.cpp:3700
#21 0x00007fff95555074 in QApplication::notify(QObject*, QEvent*)
(this=0x7fffe5020070, receiver=0x132503c70, e=0x7fffe501f4a8) at
kernel/qapplication.cpp:3056
#22 0x00007fff9452604c in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x132503c70, event=0x7fffe501f4a8) at
../../include/QtCore/5.12.5/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:322
#23 0x00007fff94526434 in QCoreApplication::sendSpontaneousEvent(QObject*,
QEvent*) (receiver=<optimized out>, event=<optimized out>) at
kernel/qcoreapplication.cpp:1488
#24 0x00007fff94cb3b9c in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
(e=0x133e379b0) at kernel/qguiapplication.cpp:2107
#25 0x00007fff94cb56f4 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
(e=0x133e379b0) at kernel/qguiapplication.cpp:1842
#26 0x00007fff94c7d640 in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(flags=...) at kernel/qwindowsysteminterface.cpp:1151
#27 0x00007fff8ea1c870 in xcbSourceDispatch(GSource*, GSourceFunc, gpointer)
(source=<optimized out>) at qxcbeventdispatcher.cpp:105
#28 0x00007fff91711dc8 in g_main_context_dispatch () at
/lib/powerpc64-linux-gnu/libglib-2.0.so.0
#29 0x00007fff91712148 in () at /lib/powerpc64-linux-gnu/libglib-2.0.so.0
#30 0x00007fff91712240 in g_main_context_iteration () at
/lib/powerpc64-linux-gnu/libglib-2.0.so.0
#31 0x00007fff945aa454 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x12f950120, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#32 0x00007fff8ea1cec4 in
QXcbGlibEventDispatcher::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at qxcbeventdispatcher.cpp:143
#33 0x00007fff94523450 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at /usr/include/c++/9/bits/atomic_base.h:734
#34 0x00007fff94523b7c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fffe501fce8,
flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#35 0x00007fff9453007c in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#36 0x00007fff94ca4424 in QGuiApplication::exec() () at
kernel/qguiapplication.cpp:1784
#37 0x00007fff955472f0 in QApplication::exec() () at
kernel/qapplication.cpp:2856
#38 0x0000000125d22d30 in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at ./kate/main.cpp:620
[Inferior 1 (process 5131) detached]
Possible duplicates by query: bug 418468, bug 418352, bug 418351, bug 418277,
bug 418026.
Reported using DrKonqi
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