[kdelibs] [Bug 334947] New: Crash when attaching a second monitor

Ettore Atalan atalanttore at googlemail.com
Sat May 17 15:10:06 BST 2014


https://bugs.kde.org/show_bug.cgi?id=334947

            Bug ID: 334947
           Summary: Crash when attaching a second monitor
    Classification: Unclassified
           Product: kdelibs
           Version: 4.13.1
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: kded
          Assignee: unassigned-bugs at kde.org
          Reporter: atalanttore at googlemail.com

Application: kded4 (4.13.1)
KDE Platform Version: 4.13.1
Qt Version: 4.8.6
Operating System: Linux 3.13.0-27-generic x86_64
Distribution: Ubuntu 14.04 LTS

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

I was attaching a second monitor (Philips television) to my laptop via HDMI.

-- Backtrace:
Application: KDE-Dienst (kded4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f16415927c0 (LWP 2765))]

Thread 6 (Thread 0x7f1621ca3700 (LWP 2767)):
#0  0x00007f163c5e87ee in __pthread_mutex_unlock_usercnt (decr=1,
mutex=0x7f161c000a60) at pthread_mutex_unlock.c:57
#1  __GI___pthread_mutex_unlock (mutex=0x7f161c000a60) at
pthread_mutex_unlock.c:310
#2  0x00007f163bf449c1 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f163bf02680 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f163bf02f03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f163bf030ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f164023e7be in QEventDispatcherGlib::processEvents
(this=0x7f161c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#7  0x00007f16402100af in QEventLoop::processEvents
(this=this at entry=0x7f1621ca2e20, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f16402103a5 in QEventLoop::exec (this=this at entry=0x7f1621ca2e20,
flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f164010cc5f in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:537
#10 0x00007f164010f32f in QThreadPrivate::start (arg=0x1883500) at
thread/qthread_unix.cpp:349
#11 0x00007f163c5e5182 in start_thread (arg=0x7f1621ca3700) at
pthread_create.c:312
#12 0x00007f163ee1230d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7f160bfff700 (LWP 2776)):
#0  0x00007f163bf4462a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f163bf44989 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f163bf02bc6 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f163bf03048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f163bf030ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f164023e7be in QEventDispatcherGlib::processEvents
(this=0x7f16000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007f16402100af in QEventLoop::processEvents
(this=this at entry=0x7f160bffede0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f16402103a5 in QEventLoop::exec (this=this at entry=0x7f160bffede0,
flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f164010cc5f in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:537
#9  0x00007f1624940027 in KCupsConnection::run() () from
/usr/lib/libkcupslib.so
#10 0x00007f164010f32f in QThreadPrivate::start (arg=0x177ff90) at
thread/qthread_unix.cpp:349
#11 0x00007f163c5e5182 in start_thread (arg=0x7f160bfff700) at
pthread_create.c:312
#12 0x00007f163ee1230d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7f160b7fe700 (LWP 2777)):
#0  0x00007f163c5e87ee in __pthread_mutex_unlock_usercnt (decr=1,
mutex=0x7f15f8000a60) at pthread_mutex_unlock.c:57
#1  __GI___pthread_mutex_unlock (mutex=0x7f15f8000a60) at
pthread_mutex_unlock.c:310
#2  0x00007f163bf449c1 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f163bf028f9 in g_main_context_query () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f163bf02f52 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f163bf030ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f164023e7be in QEventDispatcherGlib::processEvents
(this=0x7f15f80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#7  0x00007f16402100af in QEventLoop::processEvents
(this=this at entry=0x7f160b7fde20, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f16402103a5 in QEventLoop::exec (this=this at entry=0x7f160b7fde20,
flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f164010cc5f in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:537
#10 0x00007f164010f32f in QThreadPrivate::start (arg=0x15f2650) at
thread/qthread_unix.cpp:349
#11 0x00007f163c5e5182 in start_thread (arg=0x7f160b7fe700) at
pthread_create.c:312
#12 0x00007f163ee1230d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f160affd700 (LWP 2779)):
#0  0x00007f163bf4462a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f163bf44989 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f163bf02a6c in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f163bf02f7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f163bf030ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f164023e7be in QEventDispatcherGlib::processEvents
(this=0x7f15fc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007f16402100af in QEventLoop::processEvents
(this=this at entry=0x7f160affcde0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f16402103a5 in QEventLoop::exec (this=this at entry=0x7f160affcde0,
flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f164010cc5f in QThread::exec (this=this at entry=0x177e690) at
thread/qthread.cpp:537
#9  0x00007f16401f1823 in QInotifyFileSystemWatcherEngine::run (this=0x177e690)
at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f164010f32f in QThreadPrivate::start (arg=0x177e690) at
thread/qthread_unix.cpp:349
#11 0x00007f163c5e5182 in start_thread (arg=0x7f160affd700) at
pthread_create.c:312
#12 0x00007f163ee1230d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f1609c00700 (LWP 2792)):
#0  0x00007f163ee04fbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f163bf02fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f163bf030ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f164023e7be in QEventDispatcherGlib::processEvents
(this=0x7f15e80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007f16402100af in QEventLoop::processEvents
(this=this at entry=0x7f1609bffde0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f16402103a5 in QEventLoop::exec (this=this at entry=0x7f1609bffde0,
flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f164010cc5f in QThread::exec (this=this at entry=0x1b266b0) at
thread/qthread.cpp:537
#7  0x00007f16401f1823 in QInotifyFileSystemWatcherEngine::run (this=0x1b266b0)
at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007f164010f32f in QThreadPrivate::start (arg=0x1b266b0) at
thread/qthread_unix.cpp:349
#9  0x00007f163c5e5182 in start_thread (arg=0x7f1609c00700) at
pthread_create.c:312
#10 0x00007f163ee1230d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f16415927c0 (LWP 2765)):
[KCrash Handler]
#6  0x00007f1620c2f7b0 in KScreen::Output::id() const () from
/usr/lib/libkscreen.so.1
#7  0x00007f16207ed874 in XRandRConfig::toKScreenConfig() const () from
/usr/lib/kde4/plugins/kscreen/KSC_XRandR.so
#8  0x00007f16207ea491 in XRandR::config() const () from
/usr/lib/kde4/plugins/kscreen/KSC_XRandR.so
#9  0x00007f1620c2bb89 in KScreen::Config::current() () from
/usr/lib/libkscreen.so.1
#10 0x00007f1620e46149 in Serializer::currentId () at
/build/buildd/kscreen-1.0.2.1/kded/serializer.cpp:40
#11 0x00007f1620e46672 in Serializer::configExists () at
/build/buildd/kscreen-1.0.2.1/kded/serializer.cpp:61
#12 0x00007f1620e45532 in KScreenDaemon::applyConfig (this=0x189e5b0) at
/build/buildd/kscreen-1.0.2.1/kded/daemon.cpp:93
#13 0x00007f164022587a in QMetaObject::activate (sender=0x18bec10, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#14 0x00007f1620c30ac5 in KScreen::Output::isConnectedChanged() () from
/usr/lib/libkscreen.so.1
#15 0x00007f1620c3000b in KScreen::Output::setConnected(bool) () from
/usr/lib/libkscreen.so.1
#16 0x00007f16207f8016 in XRandROutput::updateKScreenOutput(KScreen::Output*)
const () from /usr/lib/kde4/plugins/kscreen/KSC_XRandR.so
#17 0x00007f16207eda96 in XRandRConfig::updateKScreenConfig(KScreen::Config*)
const () from /usr/lib/kde4/plugins/kscreen/KSC_XRandR.so
#18 0x00007f16207ea5ac in XRandR::updateConfig(KScreen::Config*) const () from
/usr/lib/kde4/plugins/kscreen/KSC_XRandR.so
#19 0x00007f1620c2de2d in KScreen::ConfigMonitor::Private::updateConfigs() ()
from /usr/lib/libkscreen.so.1
#20 0x00007f1620c2e14e in KScreen::ConfigMonitor::notifyUpdate() () from
/usr/lib/libkscreen.so.1
#21 0x00007f16207ea3b7 in XRandR::updateOutput(unsigned long) () from
/usr/lib/kde4/plugins/kscreen/KSC_XRandR.so
#22 0x00007f16207eacb5 in XRandR::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () from
/usr/lib/kde4/plugins/kscreen/KSC_XRandR.so
#23 0x00007f164022587a in QMetaObject::activate (sender=0x18bac90, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff559cda90) at
kernel/qobject.cpp:3539
#24 0x00007f16207ed0cb in XRandRX11Helper::outputChanged(unsigned long) () from
/usr/lib/kde4/plugins/kscreen/KSC_XRandR.so
#25 0x00007f16207ecab4 in XRandRX11Helper::x11Event(_XEvent*) () from
/usr/lib/kde4/plugins/kscreen/KSC_XRandR.so
#26 0x00007f1640fb6eb8 in publicX11Event (e=0x7fff559cdc40, this=<optimized
out>) at ../../kdeui/kernel/ksystemeventfilter.cpp:43
#27 KSystemEventFilterPrivate::filterEvent (this=0x188f940,
message=0x7fff559cdc40) at ../../kdeui/kernel/ksystemeventfilter.cpp:102
#28 0x00007f164020335e in QAbstractEventDispatcher::filterEvent (this=0x0,
message=0x7fff559cd438, message at entry=0x7fff559cdc40) at
kernel/qabstracteventdispatcher.cpp:542
#29 0x00007f163f64ca30 in x11EventSourceDispatch (s=0x15f4930, callback=0x0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:143
#30 0x00007f163bf02e04 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f163bf03048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f163bf030ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f164023e7be in QEventDispatcherGlib::processEvents (this=0x154e6d0,
flags=...) at kernel/qeventdispatcher_glib.cpp:436
#34 0x00007f163f64cbb6 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#35 0x00007f16402100af in QEventLoop::processEvents
(this=this at entry=0x7fff559ce010, flags=...) at kernel/qeventloop.cpp:149
#36 0x00007f16402103a5 in QEventLoop::exec (this=this at entry=0x7fff559ce010,
flags=...) at kernel/qeventloop.cpp:204
#37 0x00007f1640215b79 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1225
#38 0x00007f163f5a937c in QApplication::exec () at kernel/qapplication.cpp:3828
#39 0x00007f162a320d1b in kdemain (argc=1, argv=0x15cfff0) at
../../kded/kded.cpp:940
#40 0x00000000004083ee in launch (argc=argc at entry=1, _name=_name at entry=0x40afc7
"kded4", args=args at entry=0x0, cwd=cwd at entry=0x0, envc=envc at entry=0,
envs=<optimized out>, envs at entry=0x0, reset_env=reset_env at entry=false,
tty=tty at entry=0x0, avoid_loops=avoid_loops at entry=false,
startup_id_str=startup_id_str at entry=0x40ae56 "0") at ../../kinit/kinit.cpp:738
#41 0x00000000004059a3 in main (argc=4, argv=<optimized out>,
envp=0x7fff559ce8a0) at ../../kinit/kinit.cpp:1853

Reported using DrKonqi

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