'[Bug 287958] New: Plasma Desktop crashes after movinng the mouse'

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List:       kde-bugs-dist
Subject:    [Bug 287958] New: Plasma Desktop crashes after movinng the mouse
From:       <lovasip1977 () gmail ! com>
Date:       2011-12-01 5:51:45
Message-ID: bug-287958-17878 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=287958

           Summary: Plasma Desktop crashes after movinng the mouse over
                    the taskbar
           Product: plasma
           Version: unspecified
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: plasma-bugs@kde.org
        ReportedBy: lovasip1977@gmail.com


Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-13-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
I was hovering over the "Show Activity Manager"  when the desktop crashed.
Then it restarted, but almost immediatly crashed after I moved the mouse there.
It did not came back after that I had to logout.

This phenomenon is rare, but occasionally happens.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f597555f7a0 (LWP 4505))]

Thread 4 (Thread 0x7f5959962700 (LWP 4511)):
#0  0x00007f5974e42773 in __GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f59693cdf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f59693ce792 in g_main_loop_run () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f59605f7516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f59693f32b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f5969edaefc in start_thread (arg=0x7f5959962700) at
pthread_create.c:304
#6  0x00007f5974e4e89d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f594f010700 (LWP 4513)):
#0  __pthread_mutex_lock (mutex=0x24308f8) at pthread_mutex_lock.c:127
#1  0x00007f59693cd023 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f59693cddfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f59693ce429 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f5972034f3e in QEventDispatcherGlib::processEvents (this=0x2424a90,
flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f5972008cf2 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f5972008ef7 in QEventLoop::exec (this=0x7f594f00fdb0, flags=...) at
kernel/qeventloop.cpp:201
#7  0x00007f5971f2027f in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:498
#8  0x00007f5971febcbf in QInotifyFileSystemWatcherEngine::run (this=0x242e930)
at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f5971f22d05 in QThreadPrivate::start (arg=0x242e930) at
thread/qthread_unix.cpp:331
#10 0x00007f5969edaefc in start_thread (arg=0x7f594f010700) at
pthread_create.c:304
#11 0x00007f5974e4e89d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f594007d700 (LWP 4515)):
#0  0x00007f59693cd38e in g_main_context_query () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f59693cde6a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f59693ce429 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5972034f3e in QEventDispatcherGlib::processEvents (this=0x2ea1a00,
flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f5972008cf2 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5972008ef7 in QEventLoop::exec (this=0x7f594007cdb0, flags=...) at
kernel/qeventloop.cpp:201
#6  0x00007f5971f2027f in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:498
#7  0x00007f5971febcbf in QInotifyFileSystemWatcherEngine::run (this=0x2ea0e50)
at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f5971f22d05 in QThreadPrivate::start (arg=0x2ea0e50) at
thread/qthread_unix.cpp:331
#9  0x00007f5969edaefc in start_thread (arg=0x7f594007d700) at
pthread_create.c:304
#10 0x00007f5974e4e89d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f597555f7a0 (LWP 4505)):
[KCrash Handler]
#6  Plasma::Calendar::calendarTable (this=0x0) at
../../../libs/plasmaclock/calendar.cpp:248
#7  0x00007f5951b115c9 in Plasma::Calendar::dateHasDetails (this=<optimized
out>, date=...) at ../../../libs/plasmaclock/calendar.cpp:306
#8  0x00007f5951b0c60d in ClockApplet::updateTipContent (this=0x23c23c0) at
../../../libs/plasmaclock/clockapplet.cpp:276
#9  0x00007f5951b0f228 in ClockApplet::qt_metacall (this=0x23c23c0,
_c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7fff48826890) at
./clockapplet.moc:92
#10 0x00007f594facf150 in Clock::qt_metacall (this=0x23c23c0,
_c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff48826890) at
./clock.moc:80
#11 0x00007f59720114ae in QMetaMethod::invoke (this=0x7fff48826a70,
object=0x23c23c0, connectionType=Qt::DirectConnection, returnValue=...,
val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=...,
val8=..., val9=...) at kernel/qmetaobject.cpp:1597
#12 0x00007f5972013690 in QMetaObject::invokeMethod (obj=0x23c23c0,
member=<optimized out>, type=Qt::AutoConnection, ret=..., val0=..., val1=...,
val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...)
at kernel/qmetaobject.cpp:1151
#13 0x00007f5974a1b9f9 in invokeMethod (val9=..., val8=..., val7=..., val6=...,
val5=..., val4=..., val3=..., val2=..., val1=..., val0=...,
member=0x7f5974afb967 "toolTipAboutToShow", obj=0x23c23c0) at
/usr/include/qt4/QtCore/qobjectdefs.h:426
#14 Plasma::ToolTipManagerPrivate::showToolTip (this=0x1c2e3e0) at
../../plasma/tooltipmanager.cpp:379
#15 0x00007f5974a1be35 in Plasma::ToolTipManager::qt_metacall (this=0x1c2e5d0,
_c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff48826f30) at
./tooltipmanager.moc:88
#16 0x00007f597201ceba in QMetaObject::activate (sender=0x1c2da20, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#17 0x00007f5972020789 in QObject::event (this=0x1c2da20, e=<optimized out>) at
kernel/qobject.cpp:1181
#18 0x00007f59713ba424 in notify_helper (e=0x7fff48827490, receiver=0x1c2da20,
this=0x1904b40) at kernel/qapplication.cpp:4486
#19 QApplicationPrivate::notify_helper (this=0x1904b40, receiver=0x1c2da20,
e=0x7fff48827490) at kernel/qapplication.cpp:4458
#20 0x00007f59713bf291 in QApplication::notify (this=0x18f03c0,
receiver=0x1c2da20, e=0x7fff48827490) at kernel/qapplication.cpp:4365
#21 0x00007f5972cb8126 in KApplication::notify (this=0x18f03c0,
receiver=0x1c2da20, event=0x7fff48827490) at
../../kdeui/kernel/kapplication.cpp:311
#22 0x00007f5972009afc in QCoreApplication::notifyInternal (this=0x18f03c0,
receiver=0x1c2da20, event=0x7fff48827490) at kernel/qcoreapplication.cpp:787
#23 0x00007f5972036d62 in sendEvent (event=0x7fff48827490, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#24 QTimerInfoList::activateTimers (this=0x190b970) at
kernel/qeventdispatcher_unix.cpp:603
#25 0x00007f5972034514 in timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:184
#26 0x00007f59693cda5d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f59693ce258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f59693ce429 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f5972034ed6 in QEventDispatcherGlib::processEvents (this=0x1890f40,
flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#30 0x00007f597146207e in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=<optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#31 0x00007f5972008cf2 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#32 0x00007f5972008ef7 in QEventLoop::exec (this=0x7fff48827720, flags=...) at
kernel/qeventloop.cpp:201
#33 0x00007f597200d789 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1064
#34 0x00007f597514d1a3 in kdemain (argc=1, argv=0x7fff48827b08) at
../../../../plasma/desktop/shell/main.cpp:120
#35 0x00007f5974d8e30d in __libc_start_main (main=0x400640 <main(int, char**)>,
argc=1, ubp_av=0x7fff48827b08, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff48827af8) at libc-start.c:226
#36 0x0000000000400671 in _start ()

This bug may be a duplicate of or related to bug 284462.

Possible duplicates by query: bug 287576, bug 284462.

Reported using DrKonqi

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