Bug 306056

Summary: The entire system froze for several seconds before the OS reset.
Product: [Unmaintained] plasma4 Reporter: macbeth <macbeth>
Component: generalAssignee: Plasma Bugs List <plasma-bugs>
Status: RESOLVED DUPLICATE    
Severity: crash    
Priority: NOR    
Version: unspecified   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description macbeth 2012-08-31 01:47:09 UTC 
Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.00
Qt Version: 4.8.2
Operating System: Linux 3.2.0-29-generic-pae i686
Distribution: Ubuntu 12.04.1 LTS

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

The entire system froze for several seconds before the OS reset.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1acf740 (LWP 1913))]

Thread 8 (Thread 0xaef00b40 (LWP 1914)):
#0  0xb7793424 in __kernel_vsyscall ()
#1  0xb28d296b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb76523dc in __pthread_cond_wait (cond=0xb3a18890, mutex=0xb3a18878) at forward.c:139
#3  0xb3914029 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb391406f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb28ced4c in start_thread (arg=0xaef00b40) at pthread_create.c:308
#6  0xb7644ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 7 (Thread 0xa8abab40 (LWP 1915)):
#0  0xb7793424 in __kernel_vsyscall ()
#1  0xb763417b in read () at ../sysdeps/unix/syscall-template.S:82
#2  0xb28056ae in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb27c6bd2 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb27c7042 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb27c7201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb60e6f27 in QEventDispatcherGlib::processEvents (this=0xa8100468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0xb60b27ed in QEventLoop::processEvents (this=0xa8aba240, flags=...) at kernel/qeventloop.cpp:149
#8  0xb60b2a89 in QEventLoop::exec (this=0xa8aba240, flags=...) at kernel/qeventloop.cpp:204
#9  0xb5f9b9ec in QThread::exec (this=0x99b38c8) at thread/qthread.cpp:501
#10 0xb608fe3d in QInotifyFileSystemWatcherEngine::run (this=0x99b38c8) at io/qfilesystemwatcher_inotify.cpp:248
#11 0xb5f9ee80 in QThreadPrivate::start (arg=0x99b38c8) at thread/qthread_unix.cpp:307
#12 0xb28ced4c in start_thread (arg=0xa8abab40) at pthread_create.c:308
#13 0xb7644ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 6 (Thread 0xa7fd2b40 (LWP 1916)):
#0  0xb7793424 in __kernel_vsyscall ()
#1  0xb7636380 in __GI___poll (fds=0xa7602278, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0xb27d4a7b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb27c70ae in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb27c7201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb60e6f27 in QEventDispatcherGlib::processEvents (this=0xa7600468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb60b27ed in QEventLoop::processEvents (this=0xa7fd2240, flags=...) at kernel/qeventloop.cpp:149
#7  0xb60b2a89 in QEventLoop::exec (this=0xa7fd2240, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5f9b9ec in QThread::exec (this=0x9a0ef28) at thread/qthread.cpp:501
#9  0xb608fe3d in QInotifyFileSystemWatcherEngine::run (this=0x9a0ef28) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb5f9ee80 in QThreadPrivate::start (arg=0x9a0ef28) at thread/qthread_unix.cpp:307
#11 0xb28ced4c in start_thread (arg=0xa7fd2b40) at pthread_create.c:308
#12 0xb7644ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 5 (Thread 0xa5907b40 (LWP 2853)):
#0  0xb7793424 in __kernel_vsyscall ()
#1  0xb28d296b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb76523dc in __pthread_cond_wait (cond=0x9a082d0, mutex=0x9a082b8) at forward.c:139
#3  0xb5f9f3f0 in wait (time=4294967295, this=0x9a082b8) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x9a1a8a8, mutex=0x99dcf58, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb3596acc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9a1a890, th=0xa5d3990) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb359995b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9a4dc10, th=0xa5d3990) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb359663a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9a1a890, th=0xa5d3990) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb3599a5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x9a4dc10, th=0xa5d3990) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb3596533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9a1a890, th=0xa5d3990, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb3599a78 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9a4dc10, th=0xa5d3990) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb3596533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9a1a890, th=0xa5d3990, previous=0xa56c170) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb35984e4 in ThreadWeaver::ThreadRunHelper::run (this=0xa59072a4, parent=0x9a1a890, th=0xa5d3990) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0xb359859a in ThreadWeaver::Thread::run (this=0xa5d3990) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0xb5f9ee80 in QThreadPrivate::start (arg=0xa5d3990) at thread/qthread_unix.cpp:307
#15 0xb28ced4c in start_thread (arg=0xa5907b40) at pthread_create.c:308
#16 0xb7644ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 4 (Thread 0xa4132b40 (LWP 2854)):
#0  0xb7793424 in __kernel_vsyscall ()
#1  0xb28d296b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb76523dc in __pthread_cond_wait (cond=0x9a082d0, mutex=0x9a082b8) at forward.c:139
#3  0xb5f9f3f0 in wait (time=4294967295, this=0x9a082b8) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x9a1a8a8, mutex=0x99dcf58, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb3596acc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9a1a890, th=0x9f19c30) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb359995b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9a4dc10, th=0x9f19c30) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb359663a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9a1a890, th=0x9f19c30) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb3599a5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x9a4dc10, th=0x9f19c30) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb3596533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9a1a890, th=0x9f19c30, previous=0xab71f98) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb35984e4 in ThreadWeaver::ThreadRunHelper::run (this=0xa41322a4, parent=0x9a1a890, th=0x9f19c30) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb359859a in ThreadWeaver::Thread::run (this=0x9f19c30) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb5f9ee80 in QThreadPrivate::start (arg=0x9f19c30) at thread/qthread_unix.cpp:307
#13 0xb28ced4c in start_thread (arg=0xa4132b40) at pthread_create.c:308
#14 0xb7644ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xa3931b40 (LWP 2855)):
#0  0xb7793424 in __kernel_vsyscall ()
#1  0xb28d296b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb76523dc in __pthread_cond_wait (cond=0x9a082d0, mutex=0x9a082b8) at forward.c:139
#3  0xb5f9f3f0 in wait (time=4294967295, this=0x9a082b8) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x9a1a8a8, mutex=0x99dcf58, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb3596acc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9a1a890, th=0xa31de88) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb359995b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9a4dc10, th=0xa31de88) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb359663a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9a1a890, th=0xa31de88) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb3599a5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x9a4dc10, th=0xa31de88) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb3596533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9a1a890, th=0xa31de88, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb3599a78 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9a4dc10, th=0xa31de88) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb3596533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9a1a890, th=0xa31de88, previous=0xa342740) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb35984e4 in ThreadWeaver::ThreadRunHelper::run (this=0xa39312a4, parent=0x9a1a890, th=0xa31de88) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0xb359859a in ThreadWeaver::Thread::run (this=0xa31de88) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0xb5f9ee80 in QThreadPrivate::start (arg=0xa31de88) at thread/qthread_unix.cpp:307
#15 0xb28ced4c in start_thread (arg=0xa3931b40) at pthread_create.c:308
#16 0xb7644ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xa3130b40 (LWP 2856)):
#0  0xb7793424 in __kernel_vsyscall ()
#1  0xb28d296b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb76523dc in __pthread_cond_wait (cond=0x9a082d0, mutex=0x9a082b8) at forward.c:139
#3  0xb5f9f3f0 in wait (time=4294967295, this=0x9a082b8) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x9a1a8a8, mutex=0x99dcf58, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb3596acc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9a1a890, th=0xa19e6a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb359995b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9a4dc10, th=0xa19e6a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb359663a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9a1a890, th=0xa19e6a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb3599a5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x9a4dc10, th=0xa19e6a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb3596533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9a1a890, th=0xa19e6a0, previous=0xae4d140) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb35984e4 in ThreadWeaver::ThreadRunHelper::run (this=0xa31302a4, parent=0x9a1a890, th=0xa19e6a0) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb359859a in ThreadWeaver::Thread::run (this=0xa19e6a0) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb5f9ee80 in QThreadPrivate::start (arg=0xa19e6a0) at thread/qthread_unix.cpp:307
#13 0xb28ced4c in start_thread (arg=0xa3130b40) at pthread_create.c:308
#14 0xb7644ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb1acf740 (LWP 1913)):
[KCrash Handler]
#7  0xb6c9307e in QDeclarativeItem::~QDeclarativeItem (this=0xb533548, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#8  0xae16ff30 in Plasma::FrameSvgItem::~FrameSvgItem (this=0xb533548, __in_chrg=<optimized out>) at ../../../../plasma/declarativeimports/core/framesvgitem.cpp:67
#9  0xae160e50 in ~QDeclarativeElement (this=0xb533548, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#10 QDeclarativePrivate::QDeclarativeElement<Plasma::FrameSvgItem>::~QDeclarativeElement (this=0xb533548, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#11 0xb60c8343 in qDeleteInEventHandler (o=0xb533548) at kernel/qobject.cpp:4277
#12 0xb60cf2e8 in QObject::event (this=0xb533548, e=0x9ae9f50) at kernel/qobject.cpp:1176
#13 0xb6c8cae2 in QDeclarativeItem::event (this=0xb533548, ev=0x9ae9f50) at graphicsitems/qdeclarativeitem.cpp:3746
#14 0xb559ddf4 in notify_helper (e=0x9ae9f50, receiver=0xb533548, this=0x93dbe80) at kernel/qapplication.cpp:4556
#15 QApplicationPrivate::notify_helper (this=0x93dbe80, receiver=0xb533548, e=0x9ae9f50) at kernel/qapplication.cpp:4528
#16 0xb55a315d in QApplication::notify (this=0x9ae9f50, receiver=0xb533548, e=0x9ae9f50) at kernel/qapplication.cpp:4285
#17 0xb6752e41 in KApplication::notify (this=0x93cc9f0, receiver=0xb533548, event=0x9ae9f50) at ../../kdeui/kernel/kapplication.cpp:311
#18 0xb60b3f4e in QCoreApplication::notifyInternal (this=0x93cc9f0, receiver=0xb533548, event=0x9ae9f50) at kernel/qcoreapplication.cpp:915
#19 0xb60b80a8 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#20 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x938f130) at kernel/qcoreapplication.cpp:1539
#21 0xb60b83dc in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1432
#22 0xb60e6ad4 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#23 postEventSourceDispatch (s=0x93ddb18) at kernel/qeventdispatcher_glib.cpp:279
#24 0xb27c6d86 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0xb27c7125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0xb27c7201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#27 0xb60e6ec7 in QEventDispatcherGlib::processEvents (this=0x938fea0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#28 0xb5656a1a in QGuiEventDispatcherGlib::processEvents (this=0x938fea0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#29 0xb60b27ed in QEventLoop::processEvents (this=0xbfbcdbf4, flags=...) at kernel/qeventloop.cpp:149
#30 0xb60b2a89 in QEventLoop::exec (this=0xbfbcdbf4, flags=...) at kernel/qeventloop.cpp:204
#31 0xb60b848a in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#32 0xb559b9c4 in QApplication::exec () at kernel/qapplication.cpp:3817
#33 0xb774ff1b in kdemain (argc=1, argv=0xbfbcddf4) at ../../../../plasma/desktop/shell/main.cpp:120
#34 0x0804850b in main (argc=1, argv=0xbfbcddf4) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 305510, bug 304397, bug 303945, bug 303112, bug 302931.

Reported using DrKonqi
Comment 1 Myriam Schweingruber 2012-09-07 10:03:15 UTC 

*** This bug has been marked as a duplicate of bug 302931 ***