[khelpcenter] [Bug 419685] New: Help Centre crash on Increasing Font size

Vishnu bugzilla_noreply at kde.org
Sun Apr 5 15:33:59 BST 2020 

https://bugs.kde.org/show_bug.cgi?id=419685

            Bug ID: 419685
           Summary: Help Centre crash on Increasing Font size
           Product: khelpcenter
           Version: unspecified
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kde-doc-english at kde.org
          Reporter: vishnugb at gmail.com
  Target Milestone: ---

Application: khelpcenter (5.7.5.19123)

Qt Version: 5.14.2
Frameworks Version: 5.68.0
Operating System: Linux 5.5.13-zen2-1-zen x86_64
Windowing system: Wayland
Distribution: Arch Linux

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


I was pressingthe 'Increase Font Sizes' button a few times.

The crash can be reproduced every time.

-- Backtrace:
Application: Help Centre (khelpcenter), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7facee7be480 (LWP 3173))]

Thread 9 (Thread 0x7facd6ffd700 (LWP 3183)):
#0  0x00007facf1f2c01a in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007facf3546a48 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/usr/lib/libQt5Core.so.5
#2  0x00007facf3546b69 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#3  0x00007facf35441dd in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007facf3540dd6 in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007facf1f2546f in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007facf5b763d3 in clone () from /usr/lib/libc.so.6

Thread 8 (Thread 0x7facd77fe700 (LWP 3182)):
#0  0x00007facf1f2c01a in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007facf3546a48 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/usr/lib/libQt5Core.so.5
#2  0x00007facf3546b69 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#3  0x00007facf35441dd in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007facf3540dd6 in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007facf1f2546f in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007facf5b763d3 in clone () from /usr/lib/libc.so.6

Thread 7 (Thread 0x7facd7fff700 (LWP 3181)):
#0  0x00007facf1f2c01a in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007facf3546a48 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/usr/lib/libQt5Core.so.5
#2  0x00007facf3546b69 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#3  0x00007facf35441dd in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007facf3540dd6 in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007facf1f2546f in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007facf5b763d3 in clone () from /usr/lib/libc.so.6

Thread 6 (Thread 0x7facdeb62700 (LWP 3178)):
#0  0x00007facf1f2bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007face5888bfc in ?? () from /usr/lib/dri/iris_dri.so
#2  0x00007face58887f8 in ?? () from /usr/lib/dri/iris_dri.so
#3  0x00007facf1f2546f in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007facf5b763d3 in clone () from /usr/lib/libc.so.6

Thread 5 (Thread 0x7facdf363700 (LWP 3177)):
#0  0x00007facf1f2bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007face5888bfc in ?? () from /usr/lib/dri/iris_dri.so
#2  0x00007face58887f8 in ?? () from /usr/lib/dri/iris_dri.so
#3  0x00007facf1f2546f in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007facf5b763d3 in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7facdfb64700 (LWP 3176)):
#0  0x00007facf1f2bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007face5888bfc in ?? () from /usr/lib/dri/iris_dri.so
#2  0x00007face58887f8 in ?? () from /usr/lib/dri/iris_dri.so
#3  0x00007facf1f2546f in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007facf5b763d3 in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7face0365700 (LWP 3175)):
#0  0x00007facf1f2bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007face5888bfc in ?? () from /usr/lib/dri/iris_dri.so
#2  0x00007face58887f8 in ?? () from /usr/lib/dri/iris_dri.so
#3  0x00007facf1f2546f in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007facf5b763d3 in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7faced6d4700 (LWP 3174)):
#0  0x00007facf15554e4 in g_mutex_unlock () from /usr/lib/libglib-2.0.so.0
#1  0x00007facf159b5af in g_main_context_query () from
/usr/lib/libglib-2.0.so.0
#2  0x00007facf15a671d in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007facf15a6871 in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#4  0x00007facf37748ac in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#5  0x00007facf371b05c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#6  0x00007facf353fc62 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007facf39c5b28 in ?? () from /usr/lib/libQt5DBus.so.5
#8  0x00007facf3540dd6 in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007facf1f2546f in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007facf5b763d3 in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7facee7be480 (LWP 3173)):
[KCrash Handler]
#6  0x00007facf2f50ce4 in _XGetRequest () from /usr/lib/libX11.so.6
#7  0x00007facf2f2b017 in XChangeWindowAttributes () from /usr/lib/libX11.so.6
#8  0x00007facf5443193 in KHTMLView::mouseMoveEvent(QMouseEvent*) () from
/usr/lib/libKF5KHtml.so.5
#9  0x00007facf43422ee in QWidget::event(QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#10 0x00007facf43f3cbf in QFrame::event(QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#11 0x00007facf543f22f in KHTMLView::widgetEvent(QEvent*) () from
/usr/lib/libKF5KHtml.so.5
#12 0x00007facf543ee60 in KHTMLView::eventFilter(QObject*, QEvent*) () from
/usr/lib/libKF5KHtml.so.5
#13 0x00007facf371c203 in
QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) ()
from /usr/lib/libQt5Core.so.5
#14 0x00007facf42fe341 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#15 0x00007facf4307a78 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#16 0x00007facf371c4f2 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#17 0x00007facf4306aeb in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
from /usr/lib/libQt5Widgets.so.5
#18 0x00007facf435db21 in ?? () from /usr/lib/libQt5Widgets.so.5
#19 0x00007facf4360aa4 in ?? () from /usr/lib/libQt5Widgets.so.5
#20 0x00007facf42fe352 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#21 0x00007facf4307829 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#22 0x00007facf371c4f2 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#23 0x00007facf3c2b2a4 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /usr/lib/libQt5Gui.so.5
#24 0x00007facf3c2c9b6 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib/libQt5Gui.so.5
#25 0x00007facf3c04c5c in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/libQt5Gui.so.5
#26 0x00007facee3da3d1 in ?? () from /usr/lib/libQt5WaylandClient.so.5
#27 0x00007facf15a49be in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#28 0x00007facf15a6831 in ?? () from /usr/lib/libglib-2.0.so.0
#29 0x00007facf15a6871 in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#30 0x00007facf3774890 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#31 0x00007facf371b05c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#32 0x00007facf3723066 in QCoreApplication::exec() () from
/usr/lib/libQt5Core.so.5
#33 0x00007facf5c8d8a6 in kdemain () from /usr/lib/libkdeinit5_khelpcenter.so
#34 0x00007facf5a9e023 in __libc_start_main () from /usr/lib/libc.so.6
#35 0x000055b914ab405e in _start ()
[Inferior 1 (process 3173) detached]

The reporter indicates this bug may be a duplicate of or related to bug 416769.

Possible duplicates by query: bug 416769, bug 348766, bug 182833.

Reported using DrKonqi

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