[Konsole-devel] [Bug 257300] New: Konsole crashed on going through the scrollback using scrollbars

darkfish abhijeet.linux at gmail.com
Fri Nov 19 05:40:21 UTC 2010 

https://bugs.kde.org/show_bug.cgi?id=257300

           Summary: Konsole crashed on going through the scrollback using
                    scrollbars
           Product: konsole
           Version: 2.5
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: konsole-devel at kde.org
        ReportedBy: abhijeet.linux at gmail.com


Application: konsole (2.5)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-22-generic i686
Distribution: Ubuntu 10.10

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

Konsole crashed suddenly when I started looking through the long scrollback
history, using the scrollbars. Some custom settings of the application include:
Transparent BG
Unlimited scrollback

Other instance variables:
Had 2-3 tabs opened all connected to an ssh session.

-- Backtrace:
Application: Konsole (konsole), signal: Segmentation fault
[Current thread is 1 (Thread 0xb776a710 (LWP 1759))]

Thread 2 (Thread 0xb3f41b70 (LWP 1775)):
#0  0x0084fe36 in clock_gettime () from /lib/librt.so.1
#1  0x00dce50b in do_gettime () at tools/qelapsedtimer_unix.cpp:105
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:119
#3  0x00ea56e5 in QTimerInfoList::updateCurrentTime (this=0x9be9f34) at
kernel/qeventdispatcher_unix.cpp:339
#4  0x00ea572a in QTimerInfoList::timerWait (this=0x9be9f34, tm=...) at
kernel/qeventdispatcher_unix.cpp:442
#5  0x00ea37a8 in timerSourcePrepareHelper (src=<value optimized out>,
timeout=0xb3f410bc) at kernel/qeventdispatcher_glib.cpp:136
#6  0x00ea383d in timerSourcePrepare (source=0x0, timeout=0x853ff4) at
kernel/qeventdispatcher_glib.cpp:169
#7  0x06364e6a in g_main_context_prepare () from /lib/libglib-2.0.so.0
#8  0x06365279 in ?? () from /lib/libglib-2.0.so.0
#9  0x06365848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#10 0x00ea359f in QEventDispatcherGlib::processEvents (this=0x9b1ff98,
flags=...) at kernel/qeventdispatcher_glib.cpp:417
#11 0x00e73609 in QEventLoop::processEvents (this=0xb3f41290, flags=) at
kernel/qeventloop.cpp:149
#12 0x00e73a8a in QEventLoop::exec (this=0xb3f41290, flags=...) at
kernel/qeventloop.cpp:201
#13 0x00d6fb7e in QThread::exec (this=0x9c13810) at thread/qthread.cpp:490
#14 0x00e5235b in QInotifyFileSystemWatcherEngine::run (this=0x9c13810) at
io/qfilesystemwatcher_inotify.cpp:248
#15 0x00d72df9 in QThreadPrivate::start (arg=0x9c13810) at
thread/qthread_unix.cpp:266
#16 0x00aeacc9 in start_thread () from /lib/libpthread.so.0
#17 0x00c836be in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb776a710 (LWP 1759)):
[KCrash Handler]
#7  Konsole::Screen::fillWithDefaultChar (dest=0x10e57148, count=2137837446) at
../../../../apps/konsole/src/Screen.cpp:1359
#8  0x00470433 in Konsole::ScreenWindow::fillUnusedArea (this=0x9b74898) at
../../../../apps/konsole/src/ScreenWindow.cpp:93
#9  0x00470520 in Konsole::ScreenWindow::getImage (this=0x9b74898) at
../../../../apps/konsole/src/ScreenWindow.cpp:79
#10 0x00498a5e in Konsole::TerminalDisplay::updateImage (this=0x9b59d10) at
../../../../apps/konsole/src/TerminalDisplay.cpp:945
#11 0x0049969e in Konsole::TerminalDisplay::scrollBarPositionChanged
(this=0x9b59d10) at ../../../../apps/konsole/src/TerminalDisplay.cpp:1642
#12 0x0049be14 in Konsole::TerminalDisplay::qt_metacall (this=0x9b59d10,
_c=QMetaObject::InvokeMetaMethod, _id=21, _a=0xbfe81568) at
./TerminalDisplay.moc:146
#13 0x00e7a8ca in QMetaObject::metacall (object=0x9b59d10, cl=16777248, idx=48,
argv=0xbfe81568) at kernel/qmetaobject.cpp:237
#14 0x00e8d6ad in QMetaObject::activate (sender=0x9b3a6c0, m=0x24f5834,
local_signal_index=0, argv=0x10e57148) at kernel/qobject.cpp:3280
#15 0x022d2783 in QAbstractSlider::valueChanged (this=0x9b3a6c0, _t1=7863145)
at .moc/release-shared/moc_qabstractslider.cpp:182
#16 0x01f951d5 in QAbstractSlider::setValue (this=0x9b3a6c0, value=7863145) at
widgets/qabstractslider.cpp:543
#17 0x01f952af in QAbstractSlider::triggerAction (this=0x9b3a6c0,
action=QAbstractSlider::SliderMove) at widgets/qabstractslider.cpp:632
#18 0x01f95789 in QAbstractSlider::setSliderPosition (this=0x9b3a6c0,
position=7863145) at widgets/qabstractslider.cpp:500
#19 0x020427c3 in QScrollBar::mouseMoveEvent (this=0x9b3a6c0, e=0xbfe81d70) at
widgets/qscrollbar.cpp:674
#20 0x01bc1caa in QWidget::event (this=0x9b3a6c0, event=0xbfe81d70) at
kernel/qwidget.cpp:8172
#21 0x01f95044 in QAbstractSlider::event (this=0x9b3a6c0, e=0xbfe81d70) at
widgets/qabstractslider.cpp:942
#22 0x02043557 in QScrollBar::event (this=0x9b3a6c0, event=0xbfe81d70) at
widgets/qscrollbar.cpp:546
#23 0x01b63fdc in QApplicationPrivate::notify_helper (this=0x9a34e58,
receiver=0x9b3a6c0, e=0xbfe81d70) at kernel/qapplication.cpp:4396
#24 0x01b6ac2e in QApplication::notify (this=0xbfe82624, receiver=0x9b3a6c0,
e=0xbfe81d70) at kernel/qapplication.cpp:3959
#25 0x011a868a in KApplication::notify (this=0xbfe82624, receiver=0x9b3a6c0,
event=0xbfe81d70) at ../../kdeui/kernel/kapplication.cpp:310
#26 0x00e74b3b in QCoreApplication::notifyInternal (this=0xbfe82624,
receiver=0x9b3a6c0, event=0xbfe81d70) at kernel/qcoreapplication.cpp:732
#27 0x01b69094 in sendEvent (receiver=0x9b3a6c0, event=0xbfe81d70,
alienWidget=0x9b59d10, nativeWidget=0x9ad5468, buttonDown=0x24fe3c0,
lastMouseReceiver=..., spontaneous=true) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#28 QApplicationPrivate::sendMouseEvent (receiver=0x9b3a6c0, event=0xbfe81d70,
alienWidget=0x9b59d10, nativeWidget=0x9ad5468, buttonDown=0x24fe3c0,
lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3058
#29 0x01bf7d10 in QETWidget::translateMouseEvent (this=0x9ad5468,
event=0xbfe8228c) at kernel/qapplication_x11.cpp:4403
#30 0x01bf7151 in QApplication::x11ProcessEvent (this=0xbfe82624,
event=0xbfe8228c) at kernel/qapplication_x11.cpp:3414
#31 0x01c2636a in x11EventSourceDispatch (s=0x9a387b0, callback=0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#32 0x06361855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#33 0x06365668 in ?? () from /lib/libglib-2.0.so.0
#34 0x06365848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#35 0x00ea3565 in QEventDispatcherGlib::processEvents (this=0x9a0f688,
flags=...) at kernel/qeventdispatcher_glib.cpp:415
#36 0x01c25be5 in QGuiEventDispatcherGlib::processEvents (this=0x9a0f688,
flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#37 0x00e73609 in QEventLoop::processEvents (this=0xbfe82584, flags=) at
kernel/qeventloop.cpp:149
#38 0x00e73a8a in QEventLoop::exec (this=0xbfe82584, flags=...) at
kernel/qeventloop.cpp:201
#39 0x00e7800f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#40 0x01b62e07 in QApplication::exec () at kernel/qapplication.cpp:3672
#41 0x00b7b6ab in kdemain (argc=1, argv=0xbfe82764) at
../../../../apps/konsole/src/main.cpp:77
#42 0x080485ab in main (argc=1, argv=0xbfe82764) at konsole_dummy.cpp:3

Reported using DrKonqi

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