https://bugs.kde.org/show_bug.cgi?id=361282
Bug ID: 361282
Summary: Attempting to terminate a stalled program
Product: ksysguard
Version: 5.4.2
Platform: Ubuntu Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: ksysguard-b...@kde.org
Reporter: abta...@comcast.net
Application: ksysguard (5.4.2)
Qt Version: 5.4.2
Operating System: Linux 4.2.0-34-generic x86_64
Distribution: Ubuntu 15.10
-- Information about the crash:
- What I was doing when the application crashed:
I was debugging an application, GDB crashed. I was unable to terminate the
application and then System Monitor crashed. I finally got System Monitor to
work and killed the application.
-- Backtrace:
Application: System Monitor (ksysguard), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd0b14ca840 (LWP 4874))]
Thread 2 (Thread 0x7fd097bcd700 (LWP 4875)):
#0 0x00007fd0b0f3d88d in poll () at ../sysdeps/unix/syscall-template.S:81
#1 0x00007fd0a6be2bd2 in _xcb_conn_wait (__timeout=-1, __nfds=1,
__fds=0x7fd097bccc80) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2 0x00007fd0a6be2bd2 in _xcb_conn_wait (c=c@entry=0x24e9890,
cond=cond@entry=0x24e98d0, vector=vector@entry=0x0, count=count@entry=0x0) at
../../src/xcb_conn.c:459
#3 0x00007fd0a6be474f in xcb_wait_for_event (c=0x24e9890) at
../../src/xcb_in.c:623
#4 0x00007fd0998eaa39 in QXcbEventReader::run() (this=0x24f3c90) at
qxcbconnection.cpp:1105
#5 0x00007fd0aceee2be in QThreadPrivate::start(void*) (arg=0x24f3c90) at
thread/qthread_unix.cpp:337
#6 0x00007fd0a67bf6aa in start_thread (arg=0x7fd097bcd700) at
pthread_create.c:333
#7 0x00007fd0b0f48e9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 1 (Thread 0x7fd0b14ca840 (LWP 4874)):
[KCrash Handler]
#6 0x00007fd0acf7e778 in operator==(QString const&, QString const&) (s1=...,
s2=...) at tools/qstring.cpp:2521
#7 0x00007fd0adadca87 in QLabel::setText(QString const&) (this=0x268b8e0,
text=...) at widgets/qlabel.cpp:276
#8 0x00007fd0b1282349 in () at
/usr/lib/x86_64-linux-gnu/libkdeinit5_ksysguard.so
#9 0x00007fd0b05259cf in KSGRD::SensorAgent::processAnswer(char const*, int)
() at /usr/lib/x86_64-linux-gnu/libksgrd.so.7
#10 0x00007fd0b052d4e0 in () at /usr/lib/x86_64-linux-gnu/libksgrd.so.7
#11 0x00007fd0ad0fe78a in QMetaObject::activate(QObject*, int, int, void**)
(sender=sender@entry=0x2646360, signalOffset=<optimized out>,
local_signal_index=local_signal_index@entry=5, argv=argv@entry=0x0) at
kernel/qobject.cpp:3717
#12 0x00007fd0ad0fef87 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender@entry=0x2646360, m=m@entry=0x7fd0ad2fd300
<QProcess::staticMetaObject>, local_signal_index=local_signal_index@entry=5,
argv=argv@entry=0x0) at kernel/qobject.cpp:3582
#13 0x00007fd0acffb343 in
QProcess::readyReadStandardOutput(QProcess::QPrivateSignal)
(this=this@entry=0x2646360) at .moc/moc_qprocess.cpp:270
#14 0x00007fd0ad0046a2 in
QProcessPrivate::tryReadFromChannel(QProcessPrivate::Channel*) (this=0x266a1e0,
channel=0x266a328) at io/qprocess.cpp:966
#15 0x00007fd0ad004c00 in QProcess::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) (this=<optimized out>) at io/qprocess.cpp:977
#16 0x00007fd0ad004c00 in QProcess::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) (_o=<optimized out>, _c=<optimized out>,
_id=<optimized out>, _a=0x7ffee0358be0) at .moc/moc_qprocess.cpp:136
#17 0x00007fd0ad0fe78a in QMetaObject::activate(QObject*, int, int, void**)
(sender=sender@entry=0x266ed40, signalOffset=<optimized out>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffee0358be0)
at kernel/qobject.cpp:3717
#18 0x00007fd0ad0fef87 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender@entry=0x266ed40, m=m@entry=0x7fd0ad301700
<QSocketNotifier::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffee0358be0)
at kernel/qobject.cpp:3582
#19 0x00007fd0ad17795e in QSocketNotifier::activated(int,
QSocketNotifier::QPrivateSignal) (this=this@entry=0x266ed40, _t1=14) at
.moc/moc_qsocketnotifier.cpp:133
#20 0x00007fd0ad10ad7b in QSocketNotifier::event(QEvent*) (this=0x266ed40,
e=<optimized out>) at kernel/qsocketnotifier.cpp:296
#21 0x00007fd0ad99bb8c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=this@entry=0x24dd9c0, receiver=receiver@entry=0x266ed40,
e=e@entry=0x7ffee0358e50) at kernel/qapplication.cpp:3720
#22 0x00007fd0ad9a1230 in QApplication::notify(QObject*, QEvent*)
(this=0x7ffee0359170, receiver=0x266ed40, e=0x7ffee0358e50) at
kernel/qapplication.cpp:3503
#23 0x00007fd0ad0cdf1b in QCoreApplication::notifyInternal(QObject*, QEvent*)
(this=0x7ffee0359170, receiver=0x266ed40, event=event@entry=0x7ffee0358e50) at
kernel/qcoreapplication.cpp:935
#24 0x00007fd0ad12574d in socketNotifierSourceDispatch(GSource*, GSourceFunc,
gpointer) (event=0x7ffee0358e50, receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#25 0x00007fd0ad12574d in socketNotifierSourceDispatch(GSource*, GSourceFunc,
gpointer) (source=0x2517bf0) at kernel/qeventdispatcher_glib.cpp:101
#26 0x00007fd0a5c33ff7 in g_main_context_dispatch (context=0x7fd0900016f0) at
/build/glib2.0-MuyBSS/glib2.0-2.46.2/./glib/gmain.c:3154
#27 0x00007fd0a5c33ff7 in g_main_context_dispatch
(context=context@entry=0x7fd0900016f0) at
/build/glib2.0-MuyBSS/glib2.0-2.46.2/./glib/gmain.c:3769
#28 0x00007fd0a5c34250 in g_main_context_iterate
(context=context@entry=0x7fd0900016f0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-MuyBSS/glib2.0-2.46.2/./glib/gmain.c:3840
#29 0x00007fd0a5c342fc in g_main_context_iteration (context=0x7fd0900016f0,
may_block=may_block@entry=1) at
/build/glib2.0-MuyBSS/glib2.0-2.46.2/./glib/gmain.c:3901
#30 0x00007fd0ad12527f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x2523860, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#31 0x00007fd0ad0cb75a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffee0359060, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:204
#32 0x00007fd0ad0d32cc in QCoreApplication::exec() () at
kernel/qcoreapplication.cpp:1188
#33 0x00007fd0b1283ce9 in kdemain () at
/usr/lib/x86_64-linux-gnu/libkdeinit5_ksysguard.so
#34 0x00007fd0b0e62a40 in __libc_start_main (main=0x400730 <main>, argc=1,
argv=0x7ffee03592b8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffee03592a8) at libc-start.c:289
#35 0x0000000000400769 in _start ()
Reported using DrKonqi
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