[Bug 271250] Kwrite discard funtion leaves the first line on the screen (the text is correctly discarded)

Sat Apr 23 18:21:36 BST 2011

https://bugs.kde.org/show_bug.cgi?id=271250

Christoph Feck <christoph at maxiom.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |christoph at maxiom.de
           Severity|minor                       |crash

--- Comment #1 from Christoph Feck <christoph maxiom de>  2011-04-23 19:21:34 ---
It is worse. It causes a crash if you press "Left" on the "remaining" line.

Application: KWrite (kwrite), signal: Aborted
[Current thread is 1 (Thread 0xb4b0c710 (LWP 27297))]

Thread 2 (Thread 0xb322ab70 (LWP 27298)):
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb59f9105 in pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S:122
#2  0xb36c6d9a in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0xb383b780)
at
/local/git/Qt/qt/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#3  0xb36c64e1 in QTWTF::TCMalloc_PageHeap::runScavengerThread
(context=0xb383b780) at
/local/git/Qt/qt/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#4  0xb59f4b05 in start_thread (arg=0xb322ab70) at pthread_create.c:297
#5  0xb56a5d5e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb4b0c710 (LWP 27297)):
[KCrash Handler]
#7  0xffffe424 in __kernel_vsyscall ()
#8  0xb55fd8df in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#9  0xb55ff220 in abort () at abort.c:92
#10 0xb5a899d3 in qt_message_output (msgType=QtFatalMsg, buf=0x83cabf8 "ASSERT:
\"valid()\" in file /local/git/KDE/base/kate/part/view/kateviewinternal.cpp,
line 1031") at /local/git/Qt/qt/src/corelib/global/qglobal.cpp:2282
#11 0xb5a89b3e in qt_message (msgType=QtFatalMsg, msg=0xb5c16414 "ASSERT:
\"%s\" in file %s, line %d", ap=0xbfa6bfa4 "o\334L\263\250\333L\263\a\004") at
/local/git/Qt/qt/src/corelib/global/qglobal.cpp:2328
#12 0xb5a89f6a in qFatal (msg=0xb5c16414 "ASSERT: \"%s\" in file %s, line %d")
at /local/git/Qt/qt/src/corelib/global/qglobal.cpp:2511
#13 0xb5a89578 in qt_assert (assertion=0xb34cdc6f "valid()", file=0xb34cdba8
"/local/git/KDE/base/kate/part/view/kateviewinternal.cpp", line=1031) at
/local/git/Qt/qt/src/corelib/global/qglobal.cpp:2027
#14 0xb341e1df in WrappingCursor::operator+= (this=0xbfa6c088, n=1) at
/local/git/KDE/base/kate/part/view/kateviewinternal.cpp:1031
#15 0xb34102d6 in KateViewInternal::moveChar (this=0x8286778,
bias=KateViewInternal::right, sel=false) at
/local/git/KDE/base/kate/part/view/kateviewinternal.cpp:1043
#16 0xb3410457 in KateViewInternal::cursorRight (this=0x8286778, sel=false) at
/local/git/KDE/base/kate/part/view/kateviewinternal.cpp:1062
#17 0xb34089c1 in KateView::cursorRight (this=0x82824d8) at
/local/git/KDE/base/kate/part/view/kateview.cpp:2297
#18 0xb33f87e4 in KateView::qt_metacall (this=0x82824d8,
_c=QMetaObject::InvokeMetaMethod, _id=56, _a=0xbfa6c248) at
/local/build/KDE/base/kate/part/kateview.moc:381
#19 0xb5ba743a in QMetaObject::metacall (object=0x82824d8,
cl=QMetaObject::InvokeMetaMethod, idx=95, argv=0xbfa6c248) at
/local/git/Qt/qt/src/corelib/kernel/qmetaobject.cpp:237
#20 0xb5bba5bf in QMetaObject::activate (sender=0x82e4f60, m=0xb6cc1578,
local_signal_index=1, argv=0xbfa6c248) at
/local/git/Qt/qt/src/corelib/kernel/qobject.cpp:3278
#21 0xb61ebf92 in QAction::triggered (this=0x82e4f60, _t1=false) at
.moc/debug-shared/moc_qaction.cpp:263
#22 0xb61eb481 in QAction::activate (this=0x82e4f60, event=QAction::Trigger) at
/local/git/Qt/qt/src/gui/kernel/qaction.cpp:1257
#23 0xb61eb200 in QAction::event (this=0x82e4f60, e=0xbfa6c7b0) at
/local/git/Qt/qt/src/gui/kernel/qaction.cpp:1183
#24 0xb6dea3db in KAction::event (this=0x82e4f60, event=0xbfa6c7b0) at
/local/git/KDE/libs/kdelibs/kdeui/actions/kaction.cpp:131
#25 0xb61fa8ae in QApplicationPrivate::notify_helper (this=0x806cb08,
receiver=0x82e4f60, e=0xbfa6c7b0) at
/local/git/Qt/qt/src/gui/kernel/qapplication.cpp:4462
#26 0xb61f81aa in QApplication::notify (this=0xbfa6d748, receiver=0x82e4f60,
e=0xbfa6c7b0) at /local/git/Qt/qt/src/gui/kernel/qapplication.cpp:3862
#27 0xb6edba22 in KApplication::notify (this=0xbfa6d748, receiver=0x82e4f60,
event=0xbfa6c7b0) at
/local/git/KDE/libs/kdelibs/kdeui/kernel/kapplication.cpp:311
#28 0xb5b9fd8f in QCoreApplication::notifyInternal (this=0xbfa6d748,
receiver=0x82e4f60, event=0xbfa6c7b0) at
/local/git/Qt/qt/src/corelib/kernel/qcoreapplication.cpp:787
#29 0xb61ec4d9 in QCoreApplication::sendEvent (receiver=0x82e4f60,
event=0xbfa6c7b0) at
../../include/QtCore/../../../../git/Qt/qt/src/corelib/kernel/qcoreapplication.h:215
#30 0xb62370ae in QShortcutMap::dispatchEvent (this=0x806cbb4, e=0xbfa6ccfc) at
/local/git/Qt/qt/src/gui/kernel/qshortcutmap.cpp:879
#31 0xb623596e in QShortcutMap::tryShortcutEvent (this=0x806cbb4, o=0x8286778,
e=0xbfa6ccfc) at /local/git/Qt/qt/src/gui/kernel/qshortcutmap.cpp:364
#32 0xb61f83e2 in QApplication::notify (this=0xbfa6d748, receiver=0x8286778,
e=0xbfa6ccfc) at /local/git/Qt/qt/src/gui/kernel/qapplication.cpp:3904
#33 0xb6edba22 in KApplication::notify (this=0xbfa6d748, receiver=0x8286778,
event=0xbfa6ccfc) at
/local/git/KDE/libs/kdelibs/kdeui/kernel/kapplication.cpp:311
#34 0xb5b9fd8f in QCoreApplication::notifyInternal (this=0xbfa6d748,
receiver=0x8286778, event=0xbfa6ccfc) at
/local/git/Qt/qt/src/corelib/kernel/qcoreapplication.cpp:787
#35 0xb61fd1c9 in QCoreApplication::sendSpontaneousEvent (receiver=0x8286778,
event=0xbfa6ccfc) at
../../include/QtCore/../../../../git/Qt/qt/src/corelib/kernel/qcoreapplication.h:218
#36 0xb61fac11 in qt_sendSpontaneousEvent (receiver=0x8286778,
event=0xbfa6ccfc) at /local/git/Qt/qt/src/gui/kernel/qapplication.cpp:5456
#37 0xb62c19f4 in QKeyMapper::sendKeyEvent (keyWidget=0x8286778, grab=false,
type=QEvent::KeyPress, code=16777236, modifiers=..., text=...,
autorepeat=false, count=1, nativeScanCode=114, nativeVirtualKey=65363,
nativeModifiers=0) at /local/git/Qt/qt/src/gui/kernel/qkeymapper_x11.cpp:1866
#38 0xb62c171a in QKeyMapperPrivate::translateKeyEvent (this=0x809d318,
keyWidget=0x8286778, event=0xbfa6d430, grab=false) at
/local/git/Qt/qt/src/gui/kernel/qkeymapper_x11.cpp:1836
#39 0xb628e1b2 in QApplication::x11ProcessEvent (this=0xbfa6d748,
event=0xbfa6d430) at /local/git/Qt/qt/src/gui/kernel/qapplication_x11.cpp:3480
#40 0xb62c3742 in x11EventSourceDispatch (s=0x806f8a8, callback=0,
user_data=0x0) at
/local/git/Qt/qt/src/gui/kernel/qguieventdispatcher_glib.cpp:146
#41 0xb4edb509 in g_main_dispatch (context=0x806ec78) at gmain.c:2440
#42 g_main_context_dispatch (context=0x806ec78) at gmain.c:3013
#43 0xb4edbd10 in g_main_context_iterate (context=0x806ec78, block=1,
dispatch=1, self=0x806c9a0) at gmain.c:3091
#44 0xb4edbfce in g_main_context_iteration (context=0x806ec78, may_block=1) at
gmain.c:3154
#45 0xb5bd4548 in QEventDispatcherGlib::processEvents (this=0x806b738,
flags=...) at /local/git/Qt/qt/src/corelib/kernel/qeventdispatcher_glib.cpp:422
#46 0xb62c3a98 in QGuiEventDispatcherGlib::processEvents (this=0x806b738,
flags=...) at /local/git/Qt/qt/src/gui/kernel/qguieventdispatcher_glib.cpp:204
#47 0xb5b9daed in QEventLoop::processEvents (this=0xbfa6d6cc, flags=...) at
/local/git/Qt/qt/src/corelib/kernel/qeventloop.cpp:149
#48 0xb5b9dc31 in QEventLoop::exec (this=0xbfa6d6cc, flags=...) at
/local/git/Qt/qt/src/corelib/kernel/qeventloop.cpp:201
#49 0xb5ba047a in QCoreApplication::exec () at
/local/git/Qt/qt/src/corelib/kernel/qcoreapplication.cpp:1064
#50 0xb61f7ddc in QApplication::exec () at
/local/git/Qt/qt/src/gui/kernel/qapplication.cpp:3736
#51 0xb77b7508 in kdemain (argc=1, argv=0xbfa6da94) at
/local/git/KDE/base/kate/kwrite/kwritemain.cpp:680
#52 0x08048749 in main (argc=1, argv=0xbfa6da94) at
/local/build/KDE/base/kate/kwrite/kwrite_dummy.cpp:3

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