Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-15-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
Plasma została nadgrana na Unity Ubuntu. Awaria polega na tym, że od czasu do czasu ekran Plasmy znika a pojawia tapeta/ekran Unity. Czasami po pewnym czasie wszytko się odtwarza a czasmi nie.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Powłoka pulpitu Plazmy (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f5907e5a7a0 (LWP 1770))]

Thread 12 (Thread 0x7f58e6139700 (LWP 1773)):
#0  0x00007f58fcc813c4 in __pthread_mutex_lock (mutex=0x30f85c8) at pthread_mutex_lock.c:61
#1  0x00007f58fc1770cb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f58fc177639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5904965446 in QEventDispatcherGlib::processEvents (this=0x30f39f0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f5904939882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5904939abc in QEventLoop::exec (this=0x7f58e6138db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f5904850924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f590491bc2f in QInotifyFileSystemWatcherEngine::run (this=0x30f60f0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f5904853175 in QThreadPrivate::start (arg=0x30f60f0) at thread/qthread_unix.cpp:320
#9  0x00007f58fcc7ed8c in start_thread (arg=0x7f58e6139700) at pthread_create.c:304
#10 0x00007f590775ec2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7f58e4918700 (LWP 1775)):
#0  pthread_mutex_unlock (mutex=0x7f58e0000a98) at forward.c:184
#1  0x00007f58fc176094 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f58fc176f9d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f58fc177639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f5904965446 in QEventDispatcherGlib::processEvents (this=0x315bd40, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f5904939882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f5904939abc in QEventLoop::exec (this=0x7f58e4917db0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f5904850924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#8  0x00007f590491bc2f in QInotifyFileSystemWatcherEngine::run (this=0x2b6df00) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f5904853175 in QThreadPrivate::start (arg=0x2b6df00) at thread/qthread_unix.cpp:320
#10 0x00007f58fcc7ed8c in start_thread (arg=0x7f58e4918700) at pthread_create.c:304
#11 0x00007f590775ec2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f58d9b43700 (LWP 1785)):
#0  0x00007f5907751ae3 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f58fc177104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f58fc1779f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f58dac5ac44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f58fc19e3e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f58fcc7ed8c in start_thread (arg=0x7f58d9b43700) at pthread_create.c:304
#6  0x00007f590775ec2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f58d8b41700 (LWP 2147)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f590485382b in wait (this=<value optimized out>, mutex=0x3154750, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x3154750, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5900ad5704 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x31ef170, th=0x456ce60) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5900ad7d73 in ThreadWeaver::WorkingHardState::applyForWork (this=0x31548e0, th=0x456ce60) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5900ad7d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x31548e0, th=0x456ce60) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f5900ad6b8f in ThreadWeaver::ThreadRunHelper::run (this=0x7f58d8b40e00, parent=0x31ef170, th=0x456ce60) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f5900ad6c1b in ThreadWeaver::Thread::run (this=0x456ce60) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f5904853175 in QThreadPrivate::start (arg=0x456ce60) at thread/qthread_unix.cpp:320
#9  0x00007f58fcc7ed8c in start_thread (arg=0x7f58d8b41700) at pthread_create.c:304
#10 0x00007f590775ec2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f58d9342700 (LWP 2148)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f590485382b in wait (this=<value optimized out>, mutex=0x3154750, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x3154750, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5900ad5704 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x31ef170, th=0x2727ea0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5900ad7d73 in ThreadWeaver::WorkingHardState::applyForWork (this=0x31548e0, th=0x2727ea0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5900ad6b8f in ThreadWeaver::ThreadRunHelper::run (this=0x7f58d9341e00, parent=0x31ef170, th=0x2727ea0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f5900ad6c1b in ThreadWeaver::Thread::run (this=0x2727ea0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f5904853175 in QThreadPrivate::start (arg=0x2727ea0) at thread/qthread_unix.cpp:320
#8  0x00007f58fcc7ed8c in start_thread (arg=0x7f58d9342700) at pthread_create.c:304
#9  0x00007f590775ec2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f58dcbb8700 (LWP 2149)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f590485382b in wait (this=<value optimized out>, mutex=0x3154750, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x3154750, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5900ad5704 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x31ef170, th=0x33fc400) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5900ad7d73 in ThreadWeaver::WorkingHardState::applyForWork (this=0x31548e0, th=0x33fc400) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5900ad6b8f in ThreadWeaver::ThreadRunHelper::run (this=0x7f58dcbb7e00, parent=0x31ef170, th=0x33fc400) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f5900ad6c1b in ThreadWeaver::Thread::run (this=0x33fc400) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f5904853175 in QThreadPrivate::start (arg=0x33fc400) at thread/qthread_unix.cpp:320
#8  0x00007f58fcc7ed8c in start_thread (arg=0x7f58dcbb8700) at pthread_create.c:304
#9  0x00007f590775ec2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f58da344700 (LWP 2150)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f590485382b in wait (this=<value optimized out>, mutex=0x3154750, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x3154750, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5900ad5704 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x31ef170, th=0x2d8d740) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5900ad7d73 in ThreadWeaver::WorkingHardState::applyForWork (this=0x31548e0, th=0x2d8d740) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5900ad7d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x31548e0, th=0x2d8d740) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f5900ad6b8f in ThreadWeaver::ThreadRunHelper::run (this=0x7f58da343e00, parent=0x31ef170, th=0x2d8d740) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f5900ad6c1b in ThreadWeaver::Thread::run (this=0x2d8d740) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f5904853175 in QThreadPrivate::start (arg=0x2d8d740) at thread/qthread_unix.cpp:320
#9  0x00007f58fcc7ed8c in start_thread (arg=0x7f58da344700) at pthread_create.c:304
#10 0x00007f590775ec2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f58d6ee0700 (LWP 2151)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f590485382b in wait (this=<value optimized out>, mutex=0x3154750, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x3154750, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5900ad5704 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x31ef170, th=0x3889660) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5900ad7d73 in ThreadWeaver::WorkingHardState::applyForWork (this=0x31548e0, th=0x3889660) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5900ad6b8f in ThreadWeaver::ThreadRunHelper::run (this=0x7f58d6edfe00, parent=0x31ef170, th=0x3889660) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f5900ad6c1b in ThreadWeaver::Thread::run (this=0x3889660) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f5904853175 in QThreadPrivate::start (arg=0x3889660) at thread/qthread_unix.cpp:320
#8  0x00007f58fcc7ed8c in start_thread (arg=0x7f58d6ee0700) at pthread_create.c:304
#9  0x00007f590775ec2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f58d66df700 (LWP 2152)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f590485382b in wait (this=<value optimized out>, mutex=0x3154750, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x3154750, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5900ad5704 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x31ef170, th=0x4565d60) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5900ad7d73 in ThreadWeaver::WorkingHardState::applyForWork (this=0x31548e0, th=0x4565d60) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5900ad6b8f in ThreadWeaver::ThreadRunHelper::run (this=0x7f58d66dee00, parent=0x31ef170, th=0x4565d60) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f5900ad6c1b in ThreadWeaver::Thread::run (this=0x4565d60) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f5904853175 in QThreadPrivate::start (arg=0x4565d60) at thread/qthread_unix.cpp:320
#8  0x00007f58fcc7ed8c in start_thread (arg=0x7f58d66df700) at pthread_create.c:304
#9  0x00007f590775ec2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f58d5ede700 (LWP 2153)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f590485382b in wait (this=<value optimized out>, mutex=0x3154750, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x3154750, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5900ad5704 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x31ef170, th=0x28c27f0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5900ad7d73 in ThreadWeaver::WorkingHardState::applyForWork (this=0x31548e0, th=0x28c27f0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5900ad6b8f in ThreadWeaver::ThreadRunHelper::run (this=0x7f58d5edde00, parent=0x31ef170, th=0x28c27f0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f5900ad6c1b in ThreadWeaver::Thread::run (this=0x28c27f0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f5904853175 in QThreadPrivate::start (arg=0x28c27f0) at thread/qthread_unix.cpp:320
#8  0x00007f58fcc7ed8c in start_thread (arg=0x7f58d5ede700) at pthread_create.c:304
#9  0x00007f590775ec2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f58d56dd700 (LWP 2154)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f590485382b in wait (this=<value optimized out>, mutex=0x3154750, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x3154750, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5900ad5704 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x31ef170, th=0x7f58c80119e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5900ad7d73 in ThreadWeaver::WorkingHardState::applyForWork (this=0x31548e0, th=0x7f58c80119e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5900ad7d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x31548e0, th=0x7f58c80119e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f5900ad6b8f in ThreadWeaver::ThreadRunHelper::run (this=0x7f58d56dce00, parent=0x31ef170, th=0x7f58c80119e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f5900ad6c1b in ThreadWeaver::Thread::run (this=0x7f58c80119e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f5904853175 in QThreadPrivate::start (arg=0x7f58c80119e0) at thread/qthread_unix.cpp:320
#9  0x00007f58fcc7ed8c in start_thread (arg=0x7f58d56dd700) at pthread_create.c:304
#10 0x00007f590775ec2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f5907e5a7a0 (LWP 1770)):
[KCrash Handler]
#6  0x00007f58e000f86a in ?? ()
#7  0x00007f58ef38aeb4 in TaskGroupItem::~TaskGroupItem (this=0x7f58e00a4b40, __in_chrg=<value optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:82
#8  0x00007f58ef38af59 in TaskGroupItem::~TaskGroupItem (this=0x7f58e00a4b40, __in_chrg=<value optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:83
#9  0x00007f590494e4c8 in QObject::event (this=0x7f58e00a4b40, e=<value optimized out>) at kernel/qobject.cpp:1209
#10 0x00007f590431f1bb in QGraphicsWidget::event (this=0x7f58e00a4b40, event=0x7f58e00b5ee0) at graphicsview/qgraphicswidget.cpp:1423
#11 0x00007f5903cf79f4 in QApplicationPrivate::notify_helper (this=0x25df210, receiver=0x7f58e00a4b40, e=0x7f58e00b5ee0) at kernel/qapplication.cpp:4462
#12 0x00007f5903cfc3ba in QApplication::notify (this=<value optimized out>, receiver=0x7f58e00a4b40, e=0x7f58e00b5ee0) at kernel/qapplication.cpp:4341
#13 0x00007f59055dca76 in KApplication::notify (this=0x25c7ea0, receiver=0x7f58e00a4b40, event=0x7f58e00b5ee0) at ../../kdeui/kernel/kapplication.cpp:311
#14 0x00007f590493a49c in QCoreApplication::notifyInternal (this=0x25c7ea0, receiver=0x7f58e00a4b40, event=0x7f58e00b5ee0) at kernel/qcoreapplication.cpp:731
#15 0x00007f590493dc25 in sendEvent (receiver=0x0, event_type=52, data=0x2539b00) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x2539b00) at kernel/qcoreapplication.cpp:1372
#17 0x00007f590493df0e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1015
#18 0x00007f5907a4dadc in kdemain (argc=1, argv=0x7fffcaf90cd8) at ../../../../plasma/desktop/shell/main.cpp:120
#19 0x00007f5907696eff in __libc_start_main (main=0x400740 <main(int, char**)>, argc=1, ubp_av=0x7fffcaf90cd8, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fffcaf90cc8) at libc-start.c:226
#20 0x0000000000400669 in _start ()

Possible duplicates by query: bug 298848, bug 298385, bug 298255, bug 298179, bug 297663.

Reported using DrKonqi