[kde] [Bug 319051] New: KDE Crash after connecting/identifying second display/monitor

Mon Apr 29 09:29:03 BST 2013

https://bugs.kde.org/show_bug.cgi?id=319051

            Bug ID: 319051
           Summary: KDE Crash after connecting/identifying second
                    display/monitor
    Classification: Unclassified
           Product: kde
           Version: 4.10.2
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: info at andre-herrn.de

Application: kded4 ($Id$)
KDE Platform Version: 4.10.2
Qt Version: 4.8.4
Operating System: Linux 3.8.0-19-generic x86_64
Distribution: Ubuntu 13.04

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

There are two possibilities to reproduce the BUG:

1st) Connect the display/monitor already before startup and boot. Finally there
will be a KDE-Crash after the Login in Kubuntu and the display settings were
resetted

2st) Connect the display/monitor if Kubuntu is already running. After detect
the display KDE crashes and the crash report occur.

The crash can be reproduced every time.

Reproducible: Always

-- Backtrace:
Application: KDE Daemon (kdeinit4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd2c36d37c0 (LWP 2488))]

Thread 5 (Thread 0x7fd2a1e5f700 (LWP 2497)):
#0  0x00007fd2c0f423cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd2be08a1dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd2be08a304 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd2c2374036 in QEventDispatcherGlib::processEvents
(this=0x7fd29c0008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fd2c234438f in QEventLoop::processEvents
(this=this at entry=0x7fd2a1e5ecd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fd2c2344618 in QEventLoop::exec (this=this at entry=0x7fd2a1e5ecd0,
flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fd2c2246410 in QThread::exec (this=this at entry=0x1b7c700) at
thread/qthread.cpp:542
#7  0x00007fd2c2325edf in QInotifyFileSystemWatcherEngine::run (this=0x1b7c700)
at io/qfilesystemwatcher_inotify.cpp:256
#8  0x00007fd2c2248bec in QThreadPrivate::start (arg=0x1b7c700) at
thread/qthread_unix.cpp:338
#9  0x00007fd2b18bf764 in ?? () from /usr/lib/nvidia-304/libGL.so.1
#10 0x00007fd2be75ef8e in start_thread (arg=0x7fd2a1e5f700) at
pthread_create.c:311
#11 0x00007fd2c0f4ee1d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7fd275d22700 (LWP 2517)):
#0  0x00007fd2be0898de in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd2be08a0fe in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd2be08a6ba in g_main_loop_run () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd2760124f6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fd2be0adeb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd2b18bf764 in ?? () from /usr/lib/nvidia-304/libGL.so.1
#6  0x00007fd2be75ef8e in start_thread (arg=0x7fd275d22700) at
pthread_create.c:311
#7  0x00007fd2c0f4ee1d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7fd275315700 (LWP 2518)):
#0  0x00007fd2be76207f in __pthread_mutex_unlock_usercnt (mutex=0x7fd26c000a90,
decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  0x00007fd2be0c95f1 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd2be089b39 in g_main_context_query () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd2be08a14c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd2be08a304 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd2c2374036 in QEventDispatcherGlib::processEvents
(this=0x7fd26c0008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fd2c234438f in QEventLoop::processEvents
(this=this at entry=0x7fd275314cc0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fd2c2344618 in QEventLoop::exec (this=this at entry=0x7fd275314cc0,
flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fd2c2246410 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:542
#9  0x00007fd2a42556e5 in KCupsConnection::run() () from
/usr/lib/libkcupslib.so
#10 0x00007fd2c2248bec in QThreadPrivate::start (arg=0x1b677a0) at
thread/qthread_unix.cpp:338
#11 0x00007fd2b18bf764 in ?? () from /usr/lib/nvidia-304/libGL.so.1
#12 0x00007fd2be75ef8e in start_thread (arg=0x7fd275315700) at
pthread_create.c:311
#13 0x00007fd2c0f4ee1d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fd274b14700 (LWP 2519)):
#0  0x00007fd2be76207f in __pthread_mutex_unlock_usercnt (mutex=0x7fd260000a90,
decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  0x00007fd2be0c95f1 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd2be08a30e in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd2c2374036 in QEventDispatcherGlib::processEvents
(this=0x7fd2600008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fd2c234438f in QEventLoop::processEvents
(this=this at entry=0x7fd274b13d00, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fd2c2344618 in QEventLoop::exec (this=this at entry=0x7fd274b13d00,
flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fd2c2246410 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:542
#7  0x00007fd2c2248bec in QThreadPrivate::start (arg=0x1c777c0) at
thread/qthread_unix.cpp:338
#8  0x00007fd2b18bf764 in ?? () from /usr/lib/nvidia-304/libGL.so.1
#9  0x00007fd2be75ef8e in start_thread (arg=0x7fd274b14700) at
pthread_create.c:311
#10 0x00007fd2c0f4ee1d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fd2c36d37c0 (LWP 2488)):
[KCrash Handler]
#6  KScreen::Output::id (this=this at entry=0x0) at
/build/buildd/libkscreen-0.0.81/src/output.cpp:104
#7  0x00007fd2a5f62581 in Generator::laptop (this=0x1ac5540, outputs=...) at
/build/buildd/kscreen-0.0.81/kded/generator.cpp:228
#8  0x00007fd2a5f62ff5 in Generator::idealConfig (this=0x1ac5540) at
/build/buildd/kscreen-0.0.81/kded/generator.cpp:79
#9  0x00007fd2a5f5b4f6 in KScreenDaemon::applyIdealConfig
(this=this at entry=0x1b14340) at /build/buildd/kscreen-0.0.81/kded/daemon.cpp:110
#10 0x00007fd2a5f5b77d in KScreenDaemon::applyConfig (this=0x1b14340) at
/build/buildd/kscreen-0.0.81/kded/daemon.cpp:90
#11 0x00007fd2c235a0ef in QMetaObject::activate (sender=sender at entry=0x1ac2e60,
m=m at entry=0x7fd2a5f51b60 <KScreen::Output::staticMetaObject>,
local_signal_index=local_signal_index at entry=4, argv=argv at entry=0x0) at
kernel/qobject.cpp:3539
#12 0x00007fd2a5d4ba83 in KScreen::Output::isConnectedChanged
(this=this at entry=0x1ac2e60) at
/build/buildd/libkscreen-0.0.81/obj-x86_64-linux-gnu/src/output.moc:253
#13 0x00007fd2a5d4baa3 in KScreen::Output::setConnected
(this=this at entry=0x1ac2e60, connected=<optimized out>) at
/build/buildd/libkscreen-0.0.81/src/output.cpp:308
#14 0x00007fd2a59194d2 in XRandROutput::updateKScreenOutput
(this=this at entry=0x1a15ad0, output=0x1ac2e60) at
/build/buildd/libkscreen-0.0.81/backends/xrandr/xrandroutput.cpp:265
#15 0x00007fd2a5914469 in XRandRConfig::updateKScreenConfig (this=0x1ae0620,
config=0x18b3d90) at
/build/buildd/libkscreen-0.0.81/backends/xrandr/xrandrconfig.cpp:107
#16 0x00007fd2a5d4ad4c in KScreen::ConfigMonitor::Private::updateConfigs
(this=0x1b203c0) at /build/buildd/libkscreen-0.0.81/src/configmonitor.cpp:46
#17 0x00007fd2a5d4ad9d in KScreen::ConfigMonitor::notifyUpdate (this=0x1b20410)
at /build/buildd/libkscreen-0.0.81/src/configmonitor.cpp:89
#18 0x00007fd2a5911f22 in XRandR::updateOutput (this=<optimized out>,
output=635) at /build/buildd/libkscreen-0.0.81/backends/xrandr/xrandr.cpp:116
#19 0x00007fd2c235a0ef in QMetaObject::activate (sender=sender at entry=0x1ad3770,
m=m at entry=0x7fd2a5b1d980 <XRandRX11Helper::staticMetaObject>,
local_signal_index=local_signal_index at entry=2, argv=argv at entry=0x7fff64984070)
at kernel/qobject.cpp:3539
#20 0x00007fd2a5912f52 in XRandRX11Helper::outputChanged
(this=this at entry=0x1ad3770, _t1=635) at
/build/buildd/libkscreen-0.0.81/obj-x86_64-linux-gnu/backends/xrandr/xrandrx11helper.moc:120
#21 0x00007fd2a59134d5 in XRandRX11Helper::x11Event (this=0x1ad3770,
event=0x7fff649841c0) at
/build/buildd/libkscreen-0.0.81/backends/xrandr/xrandrx11helper.cpp:140
#22 0x00007fd2c30ed97d in publicX11Event (e=0x7fff649841c0, this=<optimized
out>) at ../../kdeui/kernel/ksystemeventfilter.cpp:43
#23 KSystemEventFilterPrivate::filterEvent (this=0x1b2dd10,
message=0x7fff649841c0) at ../../kdeui/kernel/ksystemeventfilter.cpp:102
#24 0x00007fd2c233811e in QAbstractEventDispatcher::filterEvent (this=0x0,
message=0x1cb4750, message at entry=0x7fff649841c0) at
kernel/qabstracteventdispatcher.cpp:539
#25 0x00007fd2c1791028 in x11EventSourceDispatch (s=0x1810eb0, callback=0x0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:143
#26 0x00007fd2be089f05 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007fd2be08a248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007fd2be08a304 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fd2c2374036 in QEventDispatcherGlib::processEvents (this=0x1725670,
flags=...) at kernel/qeventdispatcher_glib.cpp:426
#30 0x00007fd2c17911ae in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#31 0x00007fd2c234438f in QEventLoop::processEvents
(this=this at entry=0x7fff64984590, flags=...) at kernel/qeventloop.cpp:149
#32 0x00007fd2c2344618 in QEventLoop::exec (this=this at entry=0x7fff64984590,
flags=...) at kernel/qeventloop.cpp:204
#33 0x00007fd2c2349cf6 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1218
#34 0x00007fd2c16e9ffc in QApplication::exec () at kernel/qapplication.cpp:3828
#35 0x00007fd2ac6a6050 in kdemain (argc=1, argv=0x186d700) at
../../kded/kded.cpp:924
#36 0x00000000004084ea in launch (argc=argc at entry=1, _name=_name at entry=0x40b167
"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=0x40aff6 "0") at ../../kinit/kinit.cpp:738
#37 0x0000000000405b69 in main (argc=4, argv=<optimized out>,
envp=0x7fff64985210) at ../../kinit/kinit.cpp:1853

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