[Bug 279833] New: scangui crashed when zooming out

erik6350 at yahoo.de erik6350 at yahoo.de
Wed Aug 10 19:07:07 BST 2011 

https://bugs.kde.org/show_bug.cgi?id=279833

           Summary: scangui crashed when zooming out
           Product: kde
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: erik6350 at yahoo.de


Application: scangui (1.9.0)
KDE Platform Version: 4.6.5 (4.6.5)
Qt Version: 4.7.3
Operating System: Linux 3.0-1.slh.5-aptosid-686 i686
Distribution: Debian GNU/Linux 5.0.8 (lenny)

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

1. I wanted to deselect areas, that scangui should scan
2 While zooming out, the window disappeared and the error message has been
displayed

-- Backtrace:
Application: Bilder scannen (scangui), signal: Segmentation fault
[Current thread is 1 (Thread 0xb4b0bad0 (LWP 6070))]

Thread 2 (Thread 0xb1047b70 (LWP 6072)):
#0  0xb781c424 in __kernel_vsyscall ()
#1  0xb5ad1f86 in __poll (fds=0xb5b68ff4, nfds=2, timeout=-1) at
../sysdeps/unix/sysv/linux/poll.c:87
#2  0xb10613e2 in ?? () from /usr/lib/i386-linux-gnu/libavahi-common.so.3
#3  0xb1060dbc in avahi_simple_poll_run () from
/usr/lib/i386-linux-gnu/libavahi-common.so.3
#4  0xb1061028 in avahi_simple_poll_iterate () from
/usr/lib/i386-linux-gnu/libavahi-common.so.3
#5  0xb10612c0 in avahi_simple_poll_loop () from
/usr/lib/i386-linux-gnu/libavahi-common.so.3
#6  0xb1061376 in ?? () from /usr/lib/i386-linux-gnu/libavahi-common.so.3
#7  0xb52bcc39 in start_thread (arg=0xb1047b70) at pthread_create.c:304
#8  0xb5adf96e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb4b0bad0 (LWP 6070)):
[KCrash Handler]
#7  0xb6afb56a in QGraphicsSceneFindItemBspTreeVisitor::visit (this=0xb1b109d0,
items=0x9250648) at graphicsview/qgraphicsscene_bsp.cpp:79
#8  0xb6af9ffc in QGraphicsSceneBspTree::climbTree (this=0xb1b13cd8,
visitor=0xb1b109d0, rect=..., index=51) at
graphicsview/qgraphicsscene_bsp.cpp:247
#9  0xb6afa078 in QGraphicsSceneBspTree::climbTree (this=0xb1b13cd8,
visitor=0xb1b109d0, rect=..., index=25) at
graphicsview/qgraphicsscene_bsp.cpp:261
#10 0xb6afa036 in QGraphicsSceneBspTree::climbTree (this=0xb1b13cd8,
visitor=0xb1b109d0, rect=..., index=5) at
graphicsview/qgraphicsscene_bsp.cpp:252
#11 0xb6afa036 in QGraphicsSceneBspTree::climbTree (this=0xb1b13cd8,
visitor=0xb1b109d0, rect=..., index=0) at
graphicsview/qgraphicsscene_bsp.cpp:252
#12 0xb6afa873 in QGraphicsSceneBspTree::items (this=0xb1b13cd8, rect=...,
onlyTopLevelItems=true) at graphicsview/qgraphicsscene_bsp.cpp:154
#13 0xb6afd535 in QGraphicsSceneBspTreeIndexPrivate::estimateItems
(this=0xb1b13c78, rect=..., order=Qt::AscendingOrder, onlyTopLevelItems=true)
at graphicsview/qgraphicsscenebsptreeindex.cpp:387
#14 0xb6afd753 in QGraphicsSceneBspTreeIndex::estimateTopLevelItems
(this=0xb1b13938, rect=..., order=Qt::AscendingOrder) at
graphicsview/qgraphicsscenebsptreeindex.cpp:540
#15 0xb6af523c in QGraphicsScenePrivate::drawItems (this=0xb1b13a80,
painter=0xbfa219c8, viewTransform=0xbfa216dc, exposedRegion=0x91bd518,
widget=0xb1b135a0) at graphicsview/qgraphicsscene.cpp:4716
#16 0xb6b117d6 in QGraphicsView::paintEvent (this=0x91d07b0, event=0x0) at
graphicsview/qgraphicsview.cpp:3469
#17 0xb64b3cb9 in QWidget::event (this=0x91d07b0, event=0xbfa22084) at
kernel/qwidget.cpp:8405
#18 0xb68b4d45 in QFrame::event (this=0x91d07b0, e=0xbfa22084) at
widgets/qframe.cpp:557
#19 0xb6946e81 in QAbstractScrollArea::viewportEvent (this=0x91d07b0,
e=0xbfa22084) at widgets/qabstractscrollarea.cpp:1043
#20 0xb6b12b8c in QGraphicsView::viewportEvent (this=0x91d07b0,
event=0xbfa22084) at graphicsview/qgraphicsview.cpp:2864
#21 0xb6949606 in viewportEvent (this=0xb1b11918, o=0xb1b135a0, e=0xbfa22084)
at widgets/qabstractscrollarea_p.h:100
#22 eventFilter (this=0xb1b11918, o=0xb1b135a0, e=0xbfa22084) at
widgets/qabstractscrollarea_p.h:116
#23 QAbstractScrollAreaFilter::eventFilter (this=0xb1b11918, o=0xb1b135a0,
e=0xbfa22084) at widgets/qabstractscrollarea_p.h:115
#24 0xb5e0b266 in QCoreApplicationPrivate::sendThroughObjectEventFilters
(this=0x91377d0, receiver=0xb1b135a0, event=0xbfa22084) at
kernel/qcoreapplication.cpp:846
#25 0xb6459772 in notify_helper (this=0x91377d0, receiver=0xb1b135a0,
e=0xbfa22084) at kernel/qapplication.cpp:4463
#26 QApplicationPrivate::notify_helper (this=0x91377d0, receiver=0xb1b135a0,
e=0xbfa22084) at kernel/qapplication.cpp:4439
#27 0xb645ebe8 in QApplication::notify (this=0x91377d0, receiver=0xb1b135a0,
e=0xbfa22084) at kernel/qapplication.cpp:4432
#28 0xb6fc4571 in KApplication::notify (this=0xbfa2437c, receiver=0xb1b135a0,
event=0xbfa22084) at ../../kdeui/kernel/kapplication.cpp:311
#29 0xb5e0b0ce in QCoreApplication::notifyInternal (this=0xbfa2437c,
receiver=0xb1b135a0, event=0xbfa22084) at kernel/qcoreapplication.cpp:731
#30 0xb64b09ec in sendSpontaneousEvent (this=0xb1b13628, pdev=0x9224d8c,
rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x9254e80) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#31 QWidgetPrivate::drawWidget (this=0xb1b13628, pdev=0x9224d8c, rgn=...,
offset=..., flags=4, sharedPainter=0x0, backingStore=0x9254e80) at
kernel/qwidget.cpp:5492
#32 0xb64b1714 in QWidgetPrivate::paintSiblingsRecursive (this=0x91bd1c8,
pdev=0x9224d8c, siblings=..., index=<value optimized out>, rgn=..., offset=...,
flags=4, sharedPainter=0x0, backingStore=0x9254e80) at kernel/qwidget.cpp:5699
#33 0xb64b15da in QWidgetPrivate::paintSiblingsRecursive (this=0x91bd1c8,
pdev=0x9224d8c, siblings=..., index=5, rgn=..., offset=..., flags=4,
sharedPainter=0x0, backingStore=0x9254e80) at kernel/qwidget.cpp:5686
#34 0xb64b15da in QWidgetPrivate::paintSiblingsRecursive (this=0x91bd1c8,
pdev=0x9224d8c, siblings=..., index=6, rgn=..., offset=..., flags=4,
sharedPainter=0x0, backingStore=0x9254e80) at kernel/qwidget.cpp:5686
#35 0xb64b15da in QWidgetPrivate::paintSiblingsRecursive (this=0x91bd1c8,
pdev=0x9224d8c, siblings=..., index=7, rgn=..., offset=..., flags=4,
sharedPainter=0x0, backingStore=0x9254e80) at kernel/qwidget.cpp:5686
#36 0xb64b15da in QWidgetPrivate::paintSiblingsRecursive (this=0x91bd1c8,
pdev=0x9224d8c, siblings=..., index=8, rgn=..., offset=..., flags=4,
sharedPainter=0x0, backingStore=0x9254e80) at kernel/qwidget.cpp:5686
#37 0xb64b15da in QWidgetPrivate::paintSiblingsRecursive (this=0x91bd1c8,
pdev=0x9224d8c, siblings=..., index=9, rgn=..., offset=..., flags=4,
sharedPainter=0x0, backingStore=0x9254e80) at kernel/qwidget.cpp:5686
#38 0xb64b15da in QWidgetPrivate::paintSiblingsRecursive (this=0x91bd1c8,
pdev=0x9224d8c, siblings=..., index=10, rgn=..., offset=..., flags=4,
sharedPainter=0x0, backingStore=0x9254e80) at kernel/qwidget.cpp:5686
#39 0xb64b0748 in QWidgetPrivate::drawWidget (this=0x91bd1c8, pdev=0x9224d8c,
rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x9254e80) at
kernel/qwidget.cpp:5545
#40 0xb64b1714 in QWidgetPrivate::paintSiblingsRecursive (this=0xb1bbf228,
pdev=0x9224d8c, siblings=..., index=<value optimized out>, rgn=..., offset=...,
flags=4, sharedPainter=0x0, backingStore=0x9254e80) at kernel/qwidget.cpp:5699
#41 0xb64b0748 in QWidgetPrivate::drawWidget (this=0xb1bbf228, pdev=0x9224d8c,
rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x9254e80) at
kernel/qwidget.cpp:5545
#42 0xb64b1714 in QWidgetPrivate::paintSiblingsRecursive (this=0x91e3ec8,
pdev=0x9224d8c, siblings=..., index=<value optimized out>, rgn=..., offset=...,
flags=4, sharedPainter=0x0, backingStore=0x9254e80) at kernel/qwidget.cpp:5699
#43 0xb64b15da in QWidgetPrivate::paintSiblingsRecursive (this=0x91e3ec8,
pdev=0x9224d8c, siblings=..., index=3, rgn=..., offset=..., flags=4,
sharedPainter=0x0, backingStore=0x9254e80) at kernel/qwidget.cpp:5686
#44 0xb64b0748 in QWidgetPrivate::drawWidget (this=0x91e3ec8, pdev=0x9224d8c,
rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x9254e80) at
kernel/qwidget.cpp:5545
#45 0xb64b1714 in QWidgetPrivate::paintSiblingsRecursive (this=0x91aac18,
pdev=0x9224d8c, siblings=..., index=<value optimized out>, rgn=..., offset=...,
flags=4, sharedPainter=0x0, backingStore=0x9254e80) at kernel/qwidget.cpp:5699
#46 0xb64b0748 in QWidgetPrivate::drawWidget (this=0x91aac18, pdev=0x9224d8c,
rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x9254e80) at
kernel/qwidget.cpp:5545
#47 0xb64b1714 in QWidgetPrivate::paintSiblingsRecursive (this=0x936e410,
pdev=0x9224d8c, siblings=..., index=<value optimized out>, rgn=..., offset=...,
flags=4, sharedPainter=0x0, backingStore=0x9254e80) at kernel/qwidget.cpp:5699
#48 0xb64b0748 in QWidgetPrivate::drawWidget (this=0x936e410, pdev=0x9224d8c,
rgn=..., offset=..., flags=5, sharedPainter=0x0, backingStore=0x9254e80) at
kernel/qwidget.cpp:5545
#49 0xb669789e in QWidgetBackingStore::sync (this=0x9254e80) at
painting/qbackingstore.cpp:1333
#50 0xb64a623b in QWidgetPrivate::syncBackingStore (this=0x936e410) at
kernel/qwidget.cpp:1842
#51 0xb64b4865 in QWidget::event (this=0x92411d0, event=0xb1b3d570) at
kernel/qwidget.cpp:8552
#52 0xb64597a4 in notify_helper (this=0x91377d0, receiver=0x92411d0,
e=0xb1b3d570) at kernel/qapplication.cpp:4467
#53 QApplicationPrivate::notify_helper (this=0x91377d0, receiver=0x92411d0,
e=0xb1b3d570) at kernel/qapplication.cpp:4439
#54 0xb645ebe8 in QApplication::notify (this=0x91377d0, receiver=0x92411d0,
e=0xb1b3d570) at kernel/qapplication.cpp:4432
#55 0xb6fc4571 in KApplication::notify (this=0xbfa2437c, receiver=0x92411d0,
event=0xb1b3d570) at ../../kdeui/kernel/kapplication.cpp:311
#56 0xb5e0b0ce in QCoreApplication::notifyInternal (this=0xbfa2437c,
receiver=0x92411d0, event=0xb1b3d570) at kernel/qcoreapplication.cpp:731
#57 0xb5e0e894 in sendEvent (receiver=0x0, event_type=0, data=0x91114e0) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#58 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0,
data=0x91114e0) at kernel/qcoreapplication.cpp:1372
#59 0xb5e0e9dc in QCoreApplication::sendPostedEvents (receiver=0x0,
event_type=0) at kernel/qcoreapplication.cpp:1265
#60 0xb5e38ec4 in sendPostedEvents (s=0x9132700) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#61 postEventSourceDispatch (s=0x9132700) at
kernel/qeventdispatcher_glib.cpp:277
#62 0xb5104252 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#63 0xb5104a30 in ?? () from /lib/libglib-2.0.so.0
#64 0xb5104ce4 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#65 0xb5e392f7 in QEventDispatcherGlib::processEvents (this=0x9112220,
flags=...) at kernel/qeventdispatcher_glib.cpp:422
#66 0xb650e6fa in QGuiEventDispatcherGlib::processEvents (this=0x9112220,
flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#67 0xb5e0a0ed in QEventLoop::processEvents (this=0xbfa242f4, flags=...) at
kernel/qeventloop.cpp:149
#68 0xb5e0a331 in QEventLoop::exec (this=0xbfa242f4, flags=...) at
kernel/qeventloop.cpp:201
#69 0xb5e0ea8a in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#70 0xb6457624 in QApplication::exec () at kernel/qapplication.cpp:3741
#71 0x0804d810 in ?? ()
#72 0xb5a29e46 in __libc_start_main (main=0x804d590, argc=5, ubp_av=0xbfa24494,
init=0x80511c0 <__libc_csu_init>, fini=0x80511b0 <__libc_csu_fini>,
rtld_fini=0xb782b2f0, stack_end=0xbfa2448c) at libc-start.c:228
#73 0x0804d881 in _start ()

Reported using DrKonqi

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