[konsole] [Bug 424342] New: Konsole crash while changing tab (shift + left arrow)

Fri Jul 17 18:33:29 BST 2020

https://bugs.kde.org/show_bug.cgi?id=424342

            Bug ID: 424342
           Summary: Konsole crash while changing tab (shift + left arrow)
           Product: konsole
           Version: 19.12.3
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: luizluca at gmail.com
  Target Milestone: ---

Application: konsole (19.12.3)

Qt Version: 5.12.8
Frameworks Version: 5.68.0
Operating System: Linux 5.4.0-40-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:

I just just browsing between tabs using shift + left arrow.
I was not doing anything special.

The crash does not seem to be reproducible.

-- Backtrace:
Application: Konsole (konsole), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f68370f6080 (LWP 3066))]

Thread 4 (Thread 0x7f682384c700 (LWP 3667)):
#0  __GI___libc_read (nbytes=10, buf=0x7f682384bbde, fd=96) at
../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=96, buf=0x7f682384bbde, nbytes=10) at
../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f683769c955 in pa_read () from
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#3  0x00007f683955b416 in pa_mainloop_prepare () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f683955beb4 in pa_mainloop_iterate () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f683955bf70 in pa_mainloop_run () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f683956a11d in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#7  0x00007f68376cb57c in ?? () from
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#8  0x00007f6839fb1609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f683ca3e103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f6834b49700 (LWP 3068)):
#0  __GI___libc_read (nbytes=16, buf=0x7f6834b48b60, fd=7) at
../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=7, buf=buf at entry=0x7f6834b48b60,
nbytes=nbytes at entry=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f683979589f in read (__nbytes=16, __buf=0x7f6834b48b60,
__fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#3  g_wakeup_acknowledge (wakeup=0x7f6830001bc0) at ../../../glib/gwakeup.c:210
#4  0x00007f683974ccfe in g_main_context_check
(context=context at entry=0x7f6828000c30, max_priority=2147483647,
fds=fds at entry=0x7f6828012080, n_fds=n_fds at entry=1) at
../../../glib/gmain.c:3825
#5  0x00007f683974d152 in g_main_context_iterate
(context=context at entry=0x7f6828000c30, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at ../../../glib/gmain.c:4044
#6  0x00007f683974d2e3 in g_main_context_iteration (context=0x7f6828000c30,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#7  0x00007f683b235583 in QEventDispatcherGlib::processEvents
(this=0x7f6828000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#8  0x00007f683b1dc4db in QEventLoop::exec (this=this at entry=0x7f6834b48d70,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#9  0x00007f683b014785 in QThread::exec (this=this at entry=0x7f683a7b3d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#10 0x00007f683a730efa in QDBusConnectionManager::run (this=0x7f683a7b3d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:178
#11 0x00007f683b0159d2 in QThreadPrivate::start (arg=0x7f683a7b3d80 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:361
#12 0x00007f6839fb1609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#13 0x00007f683ca3e103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f6836240700 (LWP 3067)):
#0  0x00007f683ca3196f in __GI___poll (fds=fds at entry=0x7f683623fca8,
nfds=nfds at entry=1, timeout=timeout at entry=-1) at
../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f6839fe5c1a in poll (__timeout=-1, __nfds=1, __fds=0x7f683623fca8)
at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  _xcb_conn_wait (c=c at entry=0x55d5ab7c3ed0, cond=cond at entry=0x55d5ab7c3f10,
vector=vector at entry=0x0, count=count at entry=0x0) at ../../src/xcb_conn.c:480
#3  0x00007f6839fe790a in xcb_wait_for_event (c=c at entry=0x55d5ab7c3ed0) at
../../src/xcb_in.c:697
#4  0x00007f6836a33298 in QXcbEventQueue::run (this=0x55d5ab7b3200) at
qxcbeventqueue.cpp:228
#5  0x00007f683b0159d2 in QThreadPrivate::start (arg=0x55d5ab7b3200) at
thread/qthread_unix.cpp:361
#6  0x00007f6839fb1609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007f683ca3e103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f68370f6080 (LWP 3066)):
[KCrash Handler]
#6  QWidget::testAttribute (attribute=<optimized out>, this=<optimized out>) at
../../include/QtWidgets/../../src/widgets/kernel/qwidget.h:868
#7  QWidget::isEnabled (this=0x0) at
../../include/QtWidgets/../../src/widgets/kernel/qwidget.h:767
#8  QWidget::setFocus (this=0x0, reason=Qt::OtherFocusReason) at
kernel/qwidget.cpp:6516
#9  0x00007f683b209458 in QtPrivate::QSlotObjectBase::call (a=0x7ffdf9b82f70,
r=0x55d5ab952830, this=0x55d5ab96d730) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#10 QMetaObject::activate (sender=0x55d5ab9529c0, signalOffset=<optimized out>,
local_signal_index=<optimized out>, argv=<optimized out>) at
kernel/qobject.cpp:3784
#11 0x00007f683c803fb6 in
Konsole::TabbedViewContainer::activeViewChanged(Konsole::TerminalDisplay*) ()
from /usr/lib/x86_64-linux-gnu/libkonsoleprivate.so.19
#12 0x00007f683c8b5d4d in Konsole::TabbedViewContainer::currentTabChanged(int)
() from /usr/lib/x86_64-linux-gnu/libkonsoleprivate.so.19
#13 0x00007f683b209458 in QtPrivate::QSlotObjectBase::call (a=0x7ffdf9b830c0,
r=0x55d5ab9529c0, this=0x55d5ab95b6e0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#14 QMetaObject::activate (sender=0x55d5ab9529c0, signalOffset=<optimized out>,
local_signal_index=<optimized out>, argv=<optimized out>) at
kernel/qobject.cpp:3784
#15 0x00007f683bdcdd32 in QTabWidget::currentChanged (this=<optimized out>,
_t1=<optimized out>) at .moc/moc_qtabwidget.cpp:325
#16 0x00007f683bdd0292 in QTabWidget::qt_static_metacall (_o=<optimized out>,
_c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at
widgets/qtabwidget.h:175
#17 0x00007f683b209300 in QMetaObject::activate (sender=0x55d5ab9569c0,
signalOffset=<optimized out>, local_signal_index=<optimized out>,
argv=<optimized out>) at kernel/qobject.cpp:3804
#18 0x00007f683bdae632 in QTabBar::currentChanged
(this=this at entry=0x55d5ab9569c0, _t1=<optimized out>, _t1 at entry=15) at
.moc/moc_qtabbar.cpp:337
#19 0x00007f683bdb2dfc in QTabBar::setCurrentIndex (this=0x55d5ab9569c0,
index=15) at widgets/qtabbar.cpp:1383
#20 0x00007f683b209458 in QtPrivate::QSlotObjectBase::call (a=0x7ffdf9b833c0,
r=0x55d5ab952830, this=0x55d5ab970260) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#21 QMetaObject::activate (sender=0x55d5ab970620, signalOffset=<optimized out>,
local_signal_index=<optimized out>, argv=<optimized out>) at
kernel/qobject.cpp:3784
#22 0x00007f683bbf13e6 in QAction::triggered (this=this at entry=0x55d5ab970620,
_t1=<optimized out>) at .moc/moc_qaction.cpp:380
#23 0x00007f683bbf3aa2 in QAction::activate (this=0x55d5ab970620,
event=<optimized out>) at kernel/qaction.cpp:1166
#24 0x00007f683bbf436f in QAction::event (e=<optimized out>, this=<optimized
out>) at kernel/qaction.cpp:1092
#25 QAction::event (this=<optimized out>, e=<optimized out>) at
kernel/qaction.cpp:1081
#26 0x00007f683bbf7a66 in QApplicationPrivate::notify_helper
(this=this at entry=0x55d5ab7b0ac0, receiver=receiver at entry=0x55d5ab970620,
e=e at entry=0x7ffdf9b836d0) at kernel/qapplication.cpp:3700
#27 0x00007f683bc010f0 in QApplication::notify (this=0x55d5ab7b0810,
receiver=0x55d5ab970620, e=0x7ffdf9b836d0) at kernel/qapplication.cpp:3446
#28 0x00007f683b1dd93a in QCoreApplication::notifyInternal2
(receiver=0x55d5ab970620, event=0x7ffdf9b836d0) at
../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#29 0x00007f683b5f30ae in QShortcutMap::dispatchEvent
(this=this at entry=0x55d5ab7b0ba0, e=e at entry=0x7ffdf9b83780) at
kernel/qshortcutmap.cpp:700
#30 0x00007f683b5f3193 in QShortcutMap::tryShortcut
(this=this at entry=0x55d5ab7b0ba0, e=e at entry=0x7ffdf9b83780) at
kernel/qshortcutmap.cpp:351
#31 0x00007f683b5a76c2 in QWindowSystemInterface::handleShortcutEvent
(window=<optimized out>, window at entry=0x55d5ab9ab420, timestamp=1903874,
keyCode=16777234, modifiers=..., nativeScanCode=113, nativeVirtualKey=65361,
nativeModifiers=17, text=..., autorepeat=false, count=1) at
kernel/qwindowsysteminterface.cpp:465
#32 0x00007f683b5c4a51 in QGuiApplicationPrivate::processKeyEvent
(e=e at entry=0x55d5acf3d4e0) at kernel/qguiapplication.cpp:2214
#33 0x00007f683b5ca0f1 in QGuiApplicationPrivate::processWindowSystemEvent
(e=e at entry=0x55d5acf3d4e0) at kernel/qguiapplication.cpp:1848
#34 0x00007f683b5a435b in QWindowSystemInterface::sendWindowSystemEvents
(flags=flags at entry=...) at kernel/qwindowsysteminterface.cpp:1151
#35 0x00007f6836a3432e in xcbSourceDispatch (source=<optimized out>) at
qxcbeventdispatcher.cpp:105
#36 0x00007f683974cfbd in g_main_dispatch (context=0x7f6830005010) at
../../../glib/gmain.c:3309
#37 g_main_context_dispatch (context=context at entry=0x7f6830005010) at
../../../glib/gmain.c:3974
#38 0x00007f683974d240 in g_main_context_iterate
(context=context at entry=0x7f6830005010, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at ../../../glib/gmain.c:4047
#39 0x00007f683974d2e3 in g_main_context_iteration (context=0x7f6830005010,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#40 0x00007f683b235565 in QEventDispatcherGlib::processEvents
(this=0x55d5ab86ca00, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#41 0x00007f683b1dc4db in QEventLoop::exec (this=this at entry=0x7ffdf9b83b30,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#42 0x00007f683b1e4246 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#43 0x00007f683b5bd9a0 in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1784
#44 0x00007f683bbf79d9 in QApplication::exec () at kernel/qapplication.cpp:2856
#45 0x00007f683cb41715 in kdemain (argc=<optimized out>, argv=<optimized out>)
at ./src/main.cpp:229
#46 0x00007f683c9430b3 in __libc_start_main (main=0x55d5a9fe9060 <main>,
argc=3, argv=0x7ffdf9b83df8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffdf9b83de8) at ../csu/libc-start.c:308
#47 0x000055d5a9fe909e in _start ()
[Inferior 1 (process 3066) detached]

Possible duplicates by query: bug 423984, bug 415728, bug 411962, bug 411561,
bug 410582.

Reported using DrKonqi

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