[kdelibs] [Bug 333716] New: kded4 crash when switch off monitor

Dmitry dmitry at demura.info
Tue Apr 22 09:31:34 BST 2014


https://bugs.kde.org/show_bug.cgi?id=333716

            Bug ID: 333716
           Summary: kded4 crash when switch off  monitor
    Classification: Unclassified
           Product: kdelibs
           Version: 4.13.0
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: kded
          Assignee: unassigned-bugs at kde.org
          Reporter: dmitry at demura.info

Application: kded4 (4.13.0)
KDE Platform Version: 4.13.0
Qt Version: 4.8.6
Operating System: Linux 3.13.0-24-generic x86_64
Distribution: Ubuntu 14.04 LTS

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

Chose a different source on the monitor connected via displayport, then turned
back. 
Monitor: Dell U2212HM 
NVIDIA Driver Version: 331.38 
Graphics Processor: GeForce GTX 765M

The crash can be reproduced sometimes.

-- Backtrace:
Application: Служба KDE (kded4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9daefd87c0 (LWP 2513))]

Thread 7 (Thread 0x7f9d910ae700 (LWP 2515)):
#0  0x00007f9dac8406bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9d9af0ee41 in ?? () from
/usr/lib/nvidia-331/tls/libnvidia-tls.so.331.38
#2  0x00007f9da9980c20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9da993fb14 in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9da993ff7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9da99400ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f9dadc7b7be in QEventDispatcherGlib::processEvents
(this=0x7f9d8c0008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#7  0x00007f9dadc4d0af in QEventLoop::processEvents
(this=this at entry=0x7f9d910ade20, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f9dadc4d3a5 in QEventLoop::exec (this=this at entry=0x7f9d910ade20,
flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f9dadb49c5f in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:537
#10 0x00007f9dadb4c32f in QThreadPrivate::start (arg=0x1354800) at
thread/qthread_unix.cpp:349
#11 0x00007f9daa022182 in start_thread (arg=0x7f9d910ae700) at
pthread_create.c:312
#12 0x00007f9dac84f30d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7f9d88237700 (LWP 2522)):
#0  0x00007f9dac841fbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9da993ffe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9da99400ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9dadc7b7be in QEventDispatcherGlib::processEvents
(this=0x7f9d800008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007f9dadc4d0af in QEventLoop::processEvents
(this=this at entry=0x7f9d88236de0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f9dadc4d3a5 in QEventLoop::exec (this=this at entry=0x7f9d88236de0,
flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f9dadb49c5f in QThread::exec (this=this at entry=0x13f3ef0) at
thread/qthread.cpp:537
#7  0x00007f9dadc2e823 in QInotifyFileSystemWatcherEngine::run (this=0x13f3ef0)
at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007f9dadb4c32f in QThreadPrivate::start (arg=0x13f3ef0) at
thread/qthread_unix.cpp:349
#9  0x00007f9daa022182 in start_thread (arg=0x7f9d88237700) at
pthread_create.c:312
#10 0x00007f9dac84f30d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7f9d52f86700 (LWP 2753)):
#0  __lll_unlock_wake () at
../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:371
#1  0x00007f9daa0258a4 in _L_unlock_722 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007f9daa0257f4 in __pthread_mutex_unlock_usercnt (decr=1,
mutex=0x7f9d9c572ec0) at pthread_mutex_unlock.c:57
#3  __GI___pthread_mutex_unlock (mutex=0x7f9d9c572ec0) at
pthread_mutex_unlock.c:310
#4  0x00007f9d9c30421a in ?? () from /usr/lib/nvidia-331/libGL.so.1
#5  0x00007f9d9c3057a8 in ?? () from /usr/lib/nvidia-331/libGL.so.1
#6  0x00007f9d9af0ee1b in ?? () from
/usr/lib/nvidia-331/tls/libnvidia-tls.so.331.38
#7  0x00007f9da9980c20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f9da993fb14 in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f9da993ff7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f9da994030a in g_main_loop_run () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f9d74cb2e16 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#12 0x00007f9da9964f15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f9daa022182 in start_thread (arg=0x7f9d52f86700) at
pthread_create.c:312
#14 0x00007f9dac84f30d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7f9d52785700 (LWP 2754)):
#0  0x00007f9da998162d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9da9981989 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9da993f699 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9da993ff03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9da99400ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9dadc7b7be in QEventDispatcherGlib::processEvents
(this=0x7f9d440008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007f9dadc4d0af in QEventLoop::processEvents
(this=this at entry=0x7f9d52784de0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f9dadc4d3a5 in QEventLoop::exec (this=this at entry=0x7f9d52784de0,
flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f9dadb49c5f in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:537
#9  0x00007f9d8a68d027 in KCupsConnection::run() () from
/usr/lib/libkcupslib.so
#10 0x00007f9dadb4c32f in QThreadPrivate::start (arg=0xf90a00) at
thread/qthread_unix.cpp:349
#11 0x00007f9daa022182 in start_thread (arg=0x7f9d52785700) at
pthread_create.c:312
#12 0x00007f9dac84f30d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f9d51f84700 (LWP 2755)):
#0  0x00007f9dadb2e3c0 in g_main_context_iteration at plt () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#1  0x00007f9dadc7b7be in QEventDispatcherGlib::processEvents
(this=0x7f9d480008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#2  0x00007f9dadc4d0af in QEventLoop::processEvents
(this=this at entry=0x7f9d51f83e20, flags=...) at kernel/qeventloop.cpp:149
#3  0x00007f9dadc4d3a5 in QEventLoop::exec (this=this at entry=0x7f9d51f83e20,
flags=...) at kernel/qeventloop.cpp:204
#4  0x00007f9dadb49c5f in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:537
#5  0x00007f9dadb4c32f in QThreadPrivate::start (arg=0x166dcc0) at
thread/qthread_unix.cpp:349
#6  0x00007f9daa022182 in start_thread (arg=0x7f9d51f84700) at
pthread_create.c:312
#7  0x00007f9dac84f30d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f9d86ba3700 (LWP 3969)):
#0  __lll_unlock_wake () at
../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:371
#1  0x00007f9daa0258a4 in _L_unlock_722 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007f9daa0257f4 in __pthread_mutex_unlock_usercnt (decr=1,
mutex=0x7f9d9c572ec0) at pthread_mutex_unlock.c:57
#3  __GI___pthread_mutex_unlock (mutex=0x7f9d9c572ec0) at
pthread_mutex_unlock.c:310
#4  0x00007f9d9c30421a in ?? () from /usr/lib/nvidia-331/libGL.so.1
#5  0x00007f9d9c3062ab in ?? () from /usr/lib/nvidia-331/libGL.so.1
#6  0x00007f9d9af0ee80 in ?? () from
/usr/lib/nvidia-331/tls/libnvidia-tls.so.331.38
#7  0x00007f9da9980c20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f9da993fb14 in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f9da993ff7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f9da99400ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f9dadc7b7be in QEventDispatcherGlib::processEvents
(this=0x7f9d58003020, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#12 0x00007f9dadc4d0af in QEventLoop::processEvents
(this=this at entry=0x7f9d86ba2de0, flags=...) at kernel/qeventloop.cpp:149
#13 0x00007f9dadc4d3a5 in QEventLoop::exec (this=this at entry=0x7f9d86ba2de0,
flags=...) at kernel/qeventloop.cpp:204
#14 0x00007f9dadb49c5f in QThread::exec (this=this at entry=0x14ec9a0) at
thread/qthread.cpp:537
#15 0x00007f9dadc2e823 in QInotifyFileSystemWatcherEngine::run (this=0x14ec9a0)
at io/qfilesystemwatcher_inotify.cpp:265
#16 0x00007f9dadb4c32f in QThreadPrivate::start (arg=0x14ec9a0) at
thread/qthread_unix.cpp:349
#17 0x00007f9daa022182 in start_thread (arg=0x7f9d86ba3700) at
pthread_create.c:312
#18 0x00007f9dac84f30d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f9daefd87c0 (LWP 2513)):
[KCrash Handler]
#6  KScreen::Output::setPrimary (this=0x0, primary=primary at entry=true) at
/build/buildd/libkscreen-1.0.2/src/output.cpp:378
#7  0x00007f9d8b9b81c0 in Generator::displaySwitch (this=0x132ce20,
iteration=iteration at entry=1) at
/build/buildd/kscreen-1.0.2.1/kded/generator.cpp:147
#8  0x00007f9d8b9b061f in KScreenDaemon::applyGenericConfig (this=<optimized
out>) at /build/buildd/kscreen-1.0.2.1/kded/daemon.cpp:161
#9  0x00007f9dadc6287a in QMetaObject::activate (sender=0x134c370, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#10 0x00007f9dadc66a31 in QObject::event (this=0x134c370, e=<optimized out>) at
kernel/qobject.cpp:1156
#11 0x00007f9dacfe7e2c in QApplicationPrivate::notify_helper
(this=this at entry=0x11b8e70, receiver=receiver at entry=0x134c370,
e=e at entry=0x7fffdce6b220) at kernel/qapplication.cpp:4567
#12 0x00007f9dacfee4a0 in QApplication::notify (this=this at entry=0x7fffdce6b5c0,
receiver=receiver at entry=0x134c370, e=e at entry=0x7fffdce6b220) at
kernel/qapplication.cpp:4353
#13 0x00007f9dae9cdbaa in KApplication::notify (this=0x7fffdce6b5c0,
receiver=0x134c370, event=0x7fffdce6b220) at
../../kdeui/kernel/kapplication.cpp:311
#14 0x00007f9dadc4e4dd in QCoreApplication::notifyInternal
(this=0x7fffdce6b5c0, receiver=0x134c370, event=0x7fffdce6b220) at
kernel/qcoreapplication.cpp:953
#15 0x00007f9dadc7e323 in sendEvent (event=<optimized out>, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#16 QTimerInfoList::activateTimers (this=0x11ba460) at
kernel/qeventdispatcher_unix.cpp:621
#17 0x00007f9dadc7b629 in timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:193
#18 idleTimerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:240
#19 0x00007f9da993fe04 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f9da9940048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f9da99400ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f9dadc7b7a1 in QEventDispatcherGlib::processEvents (this=0xf6c6d0,
flags=...) at kernel/qeventdispatcher_glib.cpp:434
#23 0x00007f9dad089bb6 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f9dadc4d0af in QEventLoop::processEvents
(this=this at entry=0x7fffdce6b490, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f9dadc4d3a5 in QEventLoop::exec (this=this at entry=0x7fffdce6b490,
flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f9dadc52b79 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1225
#27 0x00007f9dacfe637c in QApplication::exec () at kernel/qapplication.cpp:3828
#28 0x00007f9d96aa4d1b in kdemain (argc=1, argv=0x119a100) at
../../kded/kded.cpp:940
#29 0x00000000004083ee in launch (argc=argc at entry=1, _name=_name at entry=0x40afc5
"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=0x40aead "0") at ../../kinit/kinit.cpp:738
#30 0x00000000004059a3 in main (argc=4, argv=<optimized out>,
envp=0x7fffdce6bd20) at ../../kinit/kinit.cpp:1853

Reported using DrKonqi

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