'[Bug 293106] New: kwin crashed when switching desktops'

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List:       kde-bugs-dist
Subject:    [Bug 293106] New: kwin crashed when switching desktops
From:       <toddb () nvr ! com>
Date:       2012-02-02 0:34:12
Message-ID: bug-293106-17878 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=293106

           Summary: kwin crashed when switching desktops
           Product: kwin
           Version: unspecified
          Platform: RedHat RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: kwin-bugs-null@kde.org
        ReportedBy: toddb@nvr.com


Application: kwin (4.6.5 (4.6.5))
KDE Platform Version: 4.6.5 (4.6.5)
Qt Version: 4.7.4
Operating System: Linux 2.6.35.14-106.fc14.x86_64 x86_64
Distribution (Platform): RedHat RPMs

-- Information about the crash:
- What I was doing when the application crashed: as above.  This stack trace is
different than one other with a similar title.

The crash does not seem to be reproducible.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
82    T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f9b4cd9e880 (LWP 27903))]

Thread 2 (Thread 0x7f9b41949700 (LWP 27921)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00000030c1f92cb4 in QTWTF::TCMalloc_PageHeap::scavengerThread
(this=0x30c22aaee0) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00000030c1f92ce9 in QTWTF::TCMalloc_PageHeap::runScavengerThread
(context=0x30c22b8fb4) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x0000003bfa606ccb in start_thread (arg=0x7f9b41949700) at
pthread_create.c:301
#4  0x0000003bf9ee0c2d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f9b4cd9e880 (LWP 27903)):
[KCrash Handler]
#6  0x00000000023191f0 in ?? ()
#7  0x00000030c1a60109 in KWin::TabBox::ClientItemDelegate::paint
(this=0x1f8ba20, painter=0x7fff3774f2e0, option=..., index=...) at
/usr/src/debug/kdebase-workspace-4.6.5/kwin/tabbox/clientitemdelegate.cpp:175
#8  0x00000030c1a62d88 in KWin::TabBox::DesktopItemDelegate::paint
(this=0x1f68e70, painter=0x7fff3774f2e0, option=<value optimized out>,
index=...) at
/usr/src/debug/kdebase-workspace-4.6.5/kwin/tabbox/desktopitemdelegate.cpp:204
#9  0x00000030bb4f89f5 in QTableViewPrivate::drawCell (this=<value optimized
out>, painter=0x7fff3774f2e0, option=<value optimized out>, index=...) at
itemviews/qtableview.cpp:935
#10 0x00000030bb5036cd in QTableView::paintEvent (this=0x1f8e9f0, event=<value
optimized out>) at itemviews/qtableview.cpp:1407
#11 0x00000030bb00b68e in QWidget::event (this=0x1f8e9f0, event=0x7fff3774ff20)
at kernel/qwidget.cpp:8441
#12 0x00000030bb3b9bb6 in QFrame::event (this=0x1f8e9f0, e=0x7fff3774ff20) at
widgets/qframe.cpp:557
#13 0x00000030bb4ca8d3 in QAbstractItemView::viewportEvent (this=0x1f8e9f0,
event=0x7fff3774ff20) at itemviews/qabstractitemview.cpp:1628
#14 0x00000030b8d5d267 in
QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized
out>, receiver=0x1f8de20, event=0x7fff3774ff20) at
kernel/qcoreapplication.cpp:902
#15 0x00000030bafb9c31 in QApplicationPrivate::notify_helper (this=0x1dbcf10,
receiver=0x1f8de20, e=0x7fff3774ff20) at kernel/qapplication.cpp:4477
#16 0x00000030bafbe81a in QApplication::notify (this=<value optimized out>,
receiver=0x1f8de20, e=0x7fff3774ff20) at kernel/qapplication.cpp:4360
#17 0x00000030bbe40f46 in KApplication::notify (this=0x7fff37751940,
receiver=0x1f8de20, event=0x7fff3774ff20) at
/usr/src/debug/kdelibs-4.6.5/kdeui/kernel/kapplication.cpp:311
#18 0x00000030b8d5d0dc in QCoreApplication::notifyInternal
(this=0x7fff37751940, receiver=0x1f8de20, event=0x7fff3774ff20) at
kernel/qcoreapplication.cpp:787
#19 0x00000030bb008568 in sendSpontaneousEvent (this=0x1f8e570, pdev=0x1fbcc28,
rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x25ab730) at
../../src/corelib/kernel/qcoreapplication.h:218
#20 QWidgetPrivate::drawWidget (this=0x1f8e570, pdev=0x1fbcc28, rgn=...,
offset=..., flags=4, sharedPainter=0x0, backingStore=0x25ab730) at
kernel/qwidget.cpp:5528
#21 0x00000030bb00912f in QWidgetPrivate::paintSiblingsRecursive
(this=0x1f8e150, pdev=0x1fbcc28, siblings=<value optimized out>, index=<value
optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0,
backingStore=0x25ab730) at kernel/qwidget.cpp:5735
#22 0x00000030bb0082aa in QWidgetPrivate::drawWidget (this=0x1f8e150,
pdev=0x1fbcc28, rgn=..., offset=..., flags=<value optimized out>,
sharedPainter=0x0, backingStore=0x25ab730) at kernel/qwidget.cpp:5581
#23 0x00000030bb00912f in QWidgetPrivate::paintSiblingsRecursive
(this=0x1f6f5e0, pdev=0x1fbcc28, siblings=<value optimized out>, index=<value
optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0,
backingStore=0x25ab730) at kernel/qwidget.cpp:5735
#24 0x00000030bb0082aa in QWidgetPrivate::drawWidget (this=0x1f6f5e0,
pdev=0x1fbcc28, rgn=..., offset=..., flags=<value optimized out>,
sharedPainter=0x0, backingStore=0x25ab730) at kernel/qwidget.cpp:5581
#25 0x00000030bb1cdf69 in QWidgetBackingStore::sync (this=0x25ab730) at
painting/qbackingstore.cpp:1338
#26 0x00000030baffe710 in QWidgetPrivate::syncBackingStore (this=0x1f6f5e0) at
kernel/qwidget.cpp:1862
#27 0x00000030bb00bb92 in QWidget::event (this=0x1f6f530, event=0x2607520) at
kernel/qwidget.cpp:8588
#28 0x00000030c1a6b350 in KWin::TabBox::TabBoxView::event (this=0x1f6f530,
event=0x2607520) at
/usr/src/debug/kdebase-workspace-4.6.5/kwin/tabbox/tabboxview.cpp:122
#29 0x00000030bafb9c64 in QApplicationPrivate::notify_helper (this=0x1dbcf10,
receiver=0x1f6f530, e=0x2607520) at kernel/qapplication.cpp:4481
#30 0x00000030bafbe81a in QApplication::notify (this=<value optimized out>,
receiver=0x1f6f530, e=0x2607520) at kernel/qapplication.cpp:4360
#31 0x00000030bbe40f46 in KApplication::notify (this=0x7fff37751940,
receiver=0x1f6f530, event=0x2607520) at
/usr/src/debug/kdelibs-4.6.5/kdeui/kernel/kapplication.cpp:311
#32 0x00000030b8d5d0dc in QCoreApplication::notifyInternal
(this=0x7fff37751940, receiver=0x1f6f530, event=0x2607520) at
kernel/qcoreapplication.cpp:787
#33 0x00000030b8d608c5 in sendEvent (receiver=0x0, event_type=0,
data=0x1d87d70) at kernel/qcoreapplication.h:215
#34 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0,
data=0x1d87d70) at kernel/qcoreapplication.cpp:1428
#35 0x00000030bb0603fd in sendPostedEvents (this=0x1d87550, flags=...) at
../../src/corelib/kernel/qcoreapplication.h:220
#36 QEventDispatcherX11::processEvents (this=0x1d87550, flags=...) at
kernel/qeventdispatcher_x11.cpp:75
#37 0x00000030b8d5c472 in QEventLoop::processEvents (this=<value optimized
out>, flags=...) at kernel/qeventloop.cpp:149
#38 0x00000030b8d5c6bc in QEventLoop::exec (this=0x7fff37751830, flags=...) at
kernel/qeventloop.cpp:201
#39 0x00000030b8d60b7b in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1064
#40 0x00000030c1a594fa in kdemain (argc=<value optimized out>,
argv=0x7fff377519a0) at
/usr/src/debug/kdebase-workspace-4.6.5/kwin/main.cpp:542
#41 0x0000003bf9e1ee5d in __libc_start_main (main=0x400910 <main(int, char**)>,
argc=3, ubp_av=0x7fff37751fd8, init=<value optimized out>, fini=<value
optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff37751fc8) at
libc-start.c:226
#42 0x0000000000400839 in _start ()

Possible duplicates by query: bug 267269.

Reported using DrKonqi

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