359875 2016-02-28 04:17:10 +0000 Plasmashell frequent crash + black screen 2016-02-28 22:04:45 +0000 1 1 4 Plasma plasmashell general 5.4.2 Ubuntu Linux RESOLVED DUPLICATE 346517 drkonqi NOR crash 1.0 0 mhallika kde bshah plasma-bugs-null 0 oldest_to_newest 1579282 0 mhallika 2016-02-28 04:17:10 +0000 Application: plasmashell (5.4.2) Qt Version: 5.4.2 Operating System: Linux 4.2.0-30-generic x86_64 Distribution: Ubuntu 15.10 -- Information about the crash: - What I was doing when the application crashed: Plasmashell and kdeinit5 (no error reporting option) frequently crashing resulting black screen and I have to restart KDE session. commonly I notice this when system has been idle for a while, but frequently happens when browsing net with firefox. Usually I have Thunderbird, firefox and one console window open on desktop. all installed from Ubuntu repository. This crashing happens frequently several times a day. The crash can be reproduced sometimes. -- Backtrace: Application: Plasma (plasmashell), signal: Aborted Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7fb8262b4800 (LWP 13979))] Thread 12 (Thread 0x7fb80fe15700 (LWP 13985)): #0 0x00007fb820a6388d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fb824aaabd2 in poll (__timeout=-1, __nfds=1, __fds=0x7fb80fe14cc0) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46 #2 _xcb_conn_wait (c=c@entry=0x1baa480, cond=cond@entry=0x1baa4c0, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:459 #3 0x00007fb824aac74f in xcb_wait_for_event (c=0x1baa480) at ../../src/xcb_in.c:623 #4 0x00007fb8129d6a39 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so #5 0x00007fb8211562be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fb8202456aa in start_thread (arg=0x7fb80fe15700) at pthread_create.c:333 #7 0x00007fb820a6ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 11 (Thread 0x7fb80d61d700 (LWP 13999)): #0 0x00007fb820a6388d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fb81d8101ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fb81d8102fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fb82138d29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fb82133375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fb8211513d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fb823979f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007fb8211562be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007fb8202456aa in start_thread (arg=0x7fb80d61d700) at pthread_create.c:333 #9 0x00007fb820a6ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 10 (Thread 0x7fb7feb7b700 (LWP 14000)): #0 0x00007fb81d80f784 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007fb81d81011b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fb81d8102fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fb82138d29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fb82133375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fb8211513d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fb823979f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007fb8211562be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007fb8202456aa in start_thread (arg=0x7fb7feb7b700) at pthread_create.c:333 #9 0x00007fb820a6ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 9 (Thread 0x7fb7f7fff700 (LWP 14004)): #0 0x00007fb81d80fbda in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007fb81d810190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fb81d8102fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fb82138d29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fb82133375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fb8211513d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fb823979f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007fb8211562be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007fb8202456aa in start_thread (arg=0x7fb7f7fff700) at pthread_create.c:333 #9 0x00007fb820a6ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 8 (Thread 0x7fb7f6997700 (LWP 14007)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fb825d05114 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #2 0x00007fb825d05159 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #3 0x00007fb8202456aa in start_thread (arg=0x7fb7f6997700) at pthread_create.c:333 #4 0x00007fb820a6ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 7 (Thread 0x7fb76bdf9700 (LWP 14012)): #0 0x00007ffe4a076c4f in clock_gettime () #1 0x00007fb820a7d33d in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115 #2 0x00007fb8212073a6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007fb82138ad29 in QTimerInfoList::updateCurrentTime() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fb82138b295 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fb82138c67e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fb81d80f77d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #7 0x00007fb81d81011b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #8 0x00007fb81d8102fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #9 0x00007fb82138d29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007fb82133375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #11 0x00007fb8211513d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #12 0x00007fb8242f5ef6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #13 0x00007fb8211562be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #14 0x00007fb8202456aa in start_thread (arg=0x7fb76bdf9700) at pthread_create.c:333 #15 0x00007fb820a6ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 6 (Thread 0x7fb76a624700 (LWP 14013)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fb82115755b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007fb824368b3e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #3 0x00007fb8243693c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007fb8211562be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fb8202456aa in start_thread (arg=0x7fb76a624700) at pthread_create.c:333 #6 0x00007fb820a6ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 5 (Thread 0x7fb754dd3700 (LWP 14018)): #0 0x00007fb820a6388d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fb81d8101ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fb81d8102fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fb82138d29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fb82133375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fb8211513d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fb75706a8f7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so #7 0x00007fb8211562be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007fb8202456aa in start_thread (arg=0x7fb754dd3700) at pthread_create.c:333 #9 0x00007fb820a6ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 4 (Thread 0x7fb74fdf9700 (LWP 14028)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fb82115755b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007fb824368b3e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #3 0x00007fb8243693c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007fb8211562be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fb8202456aa in start_thread (arg=0x7fb74fdf9700) at pthread_create.c:333 #6 0x00007fb820a6ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 3 (Thread 0x7fb744daf700 (LWP 14037)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fb82115755b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007fb824368b3e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #3 0x00007fb8243693c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007fb8211562be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fb8202456aa in start_thread (arg=0x7fb744daf700) at pthread_create.c:333 #6 0x00007fb820a6ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 2 (Thread 0x7fb73ffff700 (LWP 14054)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fb82115755b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007fb824368b3e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #3 0x00007fb8243693c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007fb8211562be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fb8202456aa in start_thread (arg=0x7fb73ffff700) at pthread_create.c:333 #6 0x00007fb820a6ee9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7fb8262b4800 (LWP 13979)): [KCrash Handler] #6 0x00007fb82099d267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55 #7 0x00007fb82099eeca in __GI_abort () at abort.c:89 #8 0x00007fb821143c88 in QMessageLogger::fatal(char const*, ...) const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007fb8264174e2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #10 0x00007fb8213781e8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #11 0x00007fb8213786ef in QVariant::QVariant(int, void const*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #12 0x00007fb8213428df in QMetaProperty::read(QObject const*) const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #13 0x00007fb82136532f in QObject::property(char const*) const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #14 0x00007fb82592d054 in Solid::Backends::UDisks2::DeviceBackend::checkCache (this=0x37603a0, key=...) at ../../../src/solid/devices/backends/udisks2/udisksdevicebackend.cpp:185 #15 0x00007fb82592d273 in Solid::Backends::UDisks2::DeviceBackend::propertyExists (this=0x37603a0, key=...) at ../../../src/solid/devices/backends/udisks2/udisksdevicebackend.cpp:132 #16 0x00007fb825924e6e in Solid::Backends::UDisks2::Device::propertyExists (this=this@entry=0x360ff40, key=...) at ../../../src/solid/devices/backends/udisks2/udisksdevice.cpp:126 #17 0x00007fb825926c2f in Solid::Backends::UDisks2::Device::isMounted (this=0x360ff40) at ../../../src/solid/devices/backends/udisks2/udisksdevice.cpp:818 #18 0x00007fb825940371 in Solid::Backends::UDisks2::StorageAccess::isAccessible (this=0x7ffe4a02b080) at ../../../src/solid/devices/backends/udisks2/udisksstorageaccess.cpp:75 #19 0x00007fb8259405a4 in Solid::Backends::UDisks2::StorageAccess::updateCache (this=0x7ffe4a02b080) at ../../../src/solid/devices/backends/udisks2/udisksstorageaccess.cpp:138 #20 Solid::Backends::UDisks2::StorageAccess::StorageAccess (this=0x7ffe4a02b080, device=0x360ff40, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../../src/solid/devices/backends/udisks2/udisksstorageaccess.cpp:36 #21 0x00007fb8259271f6 in Solid::Backends::UDisks2::Device::emblems (this=0x360ff40) at ../../../src/solid/devices/backends/udisks2/udisksdevice.cpp:221 #22 0x00007fb8258ed85d in Solid::Device::emblems (this=this@entry=0x7ffe4a02b250) at ../../../src/solid/devices/frontend/device.cpp:121 #23 0x00007fb760b653fe in HotplugEngine::onDeviceAdded (this=this@entry=0x2a61680, device=..., added=added@entry=true) at ../../../dataengines/hotplug/hotplugengine.cpp:235 #24 0x00007fb760b66b81 in HotplugEngine::onDeviceAdded (this=0x2a61680, udi=...) at ../../../dataengines/hotplug/hotplugengine.cpp:181 #25 0x00007fb82136678a in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #26 0x00007fb8258ee792 in Solid::DeviceNotifier::deviceAdded (this=<optimized out>, _t1=...) at ./moc_devicenotifier.cpp:135 #27 0x00007fb82136678a in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #28 0x00007fb82594ae12 in Solid::Ifaces::DeviceManager::deviceAdded (this=this@entry=0x2ad0650, _t1=...) at moc_devicemanager.cpp:135 #29 0x00007fb82591d601 in Solid::Backends::UDisks2::Manager::slotInterfacesAdded (this=0x2ad0650, object_path=..., interfaces_and_properties=...) at ../../../src/solid/devices/backends/udisks2/udisksmanager.cpp:197 #30 0x00007fb82594ef2d in Solid::Backends::UDisks2::Manager::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at moc_udisksmanager.cpp:86 #31 0x00007fb82136678a in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #32 0x00007fb82594f23f in OrgFreedesktopDBusObjectManagerInterface::InterfacesAdded (_t2=..., _t1=..., this=0x2ad0668) at moc_manager.cpp:173 #33 OrgFreedesktopDBusObjectManagerInterface::qt_static_metacall (_o=_o@entry=0x2ad0668, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=0, _a=_a@entry=0x7ffe4a02b910) at moc_manager.cpp:89 #34 0x00007fb825953a45 in OrgFreedesktopDBusObjectManagerInterface::qt_metacall (this=0x2ad0668, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7ffe4a02b910) at moc_manager.cpp:159 #35 0x00007fb8263f3d4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #36 0x00007fb821367651 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #37 0x00007fb821e13b8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #38 0x00007fb821e19230 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #39 0x00007fb821335f1b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #40 0x00007fb821338057 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #41 0x00007fb82138ce73 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #42 0x00007fb81d80fff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #43 0x00007fb81d810250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #44 0x00007fb81d8102fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #45 0x00007fb82138d27f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #46 0x00007fb82133375a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #47 0x00007fb82133b2cc in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #48 0x00000000004322c3 in main (argc=4, argv=<optimized out>) at ../../shell/main.cpp:176 Possible duplicates by query: bug 359689, bug 359602, bug 358869, bug 358762, bug 356148. Reported using DrKonqi 1579392 1 kde 2016-02-28 22:04:45 +0000 *** This bug has been marked as a duplicate of bug 346517 ***