[kdelibs] [Bug 326499] New: error when opening laptop

David Lang david at lang.hm
Wed Oct 23 13:42:18 BST 2013 

https://bugs.kde.org/show_bug.cgi?id=326499

            Bug ID: 326499
           Summary: error when opening laptop
    Classification: Unclassified
           Product: kdelibs
           Version: 4.11.2
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: kded
          Assignee: unassigned-bugs at kde.org
          Reporter: david at lang.hm

Application: kded4 (4.11.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.4
Operating System: Linux 3.11.0-12-generic x86_64
Distribution: Ubuntu 13.10

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

my laptop had been closed, but continually plugged in and running (no sleep)
when the lid is opened, I get the reported error. This has been happening ever
since upgrading to kubuntu 13.10 beta a few weeks ago. updating and rebooting
after the final release has not solved the problem

The crash can be reproduced every time.

-- Backtrace:
Application: KDE Daemon (kded4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fdcec6877c0 (LWP 3833))]

Thread 6 (Thread 0x7fdcd1854700 (LWP 3858)):
#0  0x00007fdceb1f83c0 in g_main_context_iteration at plt () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#1  0x00007fdceb342a76 in QEventDispatcherGlib::processEvents
(this=0x7fdccc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#2  0x00007fdceb3145ef in QEventLoop::processEvents
(this=this at entry=0x7fdcd1853db0, flags=...) at kernel/qeventloop.cpp:149
#3  0x00007fdceb3148e5 in QEventLoop::exec (this=this at entry=0x7fdcd1853db0,
flags=...) at kernel/qeventloop.cpp:204
#4  0x00007fdceb21388f in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:542
#5  0x00007fdceb215f2f in QThreadPrivate::start (arg=0xf06db0) at
thread/qthread_unix.cpp:338
#6  0x00007fdce76f2f6e in start_thread (arg=0x7fdcd1854700) at
pthread_create.c:311
#7  0x00007fdce9f179cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7fdcc73fb700 (LWP 3867)):
#0  0x00007fdce9f0af7d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fdce7017694 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdce7017afa in g_main_loop_run () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdcc78f69d6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fdce703c0e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fdce76f2f6e in start_thread (arg=0x7fdcc73fb700) at
pthread_create.c:311
#6  0x00007fdce9f179cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7fdcc69ee700 (LWP 3868)):
#0  0x00007fdce70573c1 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fdce70170d8 in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdce701762b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdce701779c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fdceb342a76 in QEventDispatcherGlib::processEvents
(this=0x7fdcbc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007fdceb3145ef in QEventLoop::processEvents
(this=this at entry=0x7fdcc69edd70, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fdceb3148e5 in QEventLoop::exec (this=this at entry=0x7fdcc69edd70,
flags=...) at kernel/qeventloop.cpp:204
#7  0x00007fdceb21388f in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:542
#8  0x00007fdccb377fd7 in KCupsConnection::run() () from
/usr/lib/libkcupslib.so
#9  0x00007fdceb215f2f in QThreadPrivate::start (arg=0xf377e0) at
thread/qthread_unix.cpp:338
#10 0x00007fdce76f2f6e in start_thread (arg=0x7fdcc69ee700) at
pthread_create.c:311
#11 0x00007fdce9f179cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7fdcc61ed700 (LWP 3869)):
#0  0x00007fdce76f5055 in __GI___pthread_mutex_lock (mutex=0x7fdcb8000a60) at
pthread_mutex_lock.c:95
#1  0x00007fdce7057391 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdce7016d49 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdce70175b3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fdce701779c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fdceb342a76 in QEventDispatcherGlib::processEvents
(this=0x7fdcb80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fdceb3145ef in QEventLoop::processEvents
(this=this at entry=0x7fdcc61ecdb0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fdceb3148e5 in QEventLoop::exec (this=this at entry=0x7fdcc61ecdb0,
flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fdceb21388f in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:542
#9  0x00007fdceb215f2f in QThreadPrivate::start (arg=0xf2e4c0) at
thread/qthread_unix.cpp:338
#10 0x00007fdce76f2f6e in start_thread (arg=0x7fdcc61ed700) at
pthread_create.c:311
#11 0x00007fdce9f179cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fdcc59ec700 (LWP 3885)):
#0  0x00007fdce9f0af7d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fdce7017694 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdce701779c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdceb342a76 in QEventDispatcherGlib::processEvents
(this=0x7fdcb00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fdceb3145ef in QEventLoop::processEvents
(this=this at entry=0x7fdcc59ebd70, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fdceb3148e5 in QEventLoop::exec (this=this at entry=0x7fdcc59ebd70,
flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fdceb21388f in QThread::exec (this=this at entry=0xfd0960) at
thread/qthread.cpp:542
#7  0x00007fdceb2f5d13 in QInotifyFileSystemWatcherEngine::run (this=0xfd0960)
at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007fdceb215f2f in QThreadPrivate::start (arg=0xfd0960) at
thread/qthread_unix.cpp:338
#9  0x00007fdce76f2f6e in start_thread (arg=0x7fdcc59ec700) at
pthread_create.c:311
#10 0x00007fdce9f179cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fdcec6877c0 (LWP 3833)):
[KCrash Handler]
#6  QString (other=<error reading variable: Cannot access memory at address
0x10>, this=this at entry=0x7fff1c32b4b0) at /usr/include/qt4/QtCore/qstring.h:725
#7  KScreen::Mode::id (this=this at entry=0x0) at
/build/buildd/libkscreen-1.0.1/src/mode.cpp:50
#8  0x00007fdcd0186c77 in Generator::displaySwitch (this=0xeea630,
iteration=iteration at entry=1) at
/build/buildd/kscreen-1.0.1/kded/generator.cpp:164
#9  0x00007fdcd01805af in KScreenDaemon::applyGenericConfig (this=<optimized
out>) at /build/buildd/kscreen-1.0.1/kded/daemon.cpp:161
#10 0x00007fdceb329a58 in QMetaObject::activate (sender=0xec16b0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#11 0x00007fdceb32dbe1 in QObject::event (this=0xec16b0, e=<optimized out>) at
kernel/qobject.cpp:1156
#12 0x00007fdcea6b2dfc in QApplicationPrivate::notify_helper
(this=this at entry=0xcda1e0, receiver=receiver at entry=0xec16b0,
e=e at entry=0x7fff1c32ba30) at kernel/qapplication.cpp:4567
#13 0x00007fdcea6b9470 in QApplication::notify (this=this at entry=0x7fff1c32bde0,
receiver=receiver at entry=0xec16b0, e=e at entry=0x7fff1c32ba30) at
kernel/qapplication.cpp:4353
#14 0x00007fdcec093a6a in KApplication::notify (this=0x7fff1c32bde0,
receiver=0xec16b0, event=0x7fff1c32ba30) at
../../kdeui/kernel/kapplication.cpp:311
#15 0x00007fdceb3158bd in QCoreApplication::notifyInternal
(this=0x7fff1c32bde0, receiver=0xec16b0, event=0x7fff1c32ba30) at
kernel/qcoreapplication.cpp:946
#16 0x00007fdceb345403 in sendEvent (event=<optimized out>, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#17 QTimerInfoList::activateTimers (this=0xcdb8d0) at
kernel/qeventdispatcher_unix.cpp:622
#18 0x00007fdceb3427d9 in timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:186
#19 idleTimerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:233
#20 0x00007fdce70173a6 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fdce70176f8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fdce701779c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fdceb342a55 in QEventDispatcherGlib::processEvents (this=0xc37670,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#24 0x00007fdcea7549d6 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#25 0x00007fdceb3145ef in QEventLoop::processEvents
(this=this at entry=0x7fff1c32bcb0, flags=...) at kernel/qeventloop.cpp:149
#26 0x00007fdceb3148e5 in QEventLoop::exec (this=this at entry=0x7fff1c32bcb0,
flags=...) at kernel/qeventloop.cpp:204
#27 0x00007fdceb319e5b in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1218
#28 0x00007fdcea6b134c in QApplication::exec () at kernel/qapplication.cpp:3828
#29 0x00007fdcd71ac95b in kdemain (argc=1, argv=0xcb5cc0) at
../../kded/kded.cpp:925
#30 0x00000000004083f5 in launch (argc=argc at entry=1, _name=_name at entry=0x40b007
"kded4", args=<optimized out>, 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=0x40ae96 "0") at ../../kinit/kinit.cpp:738
#31 0x00000000004059a6 in main (argc=4, argv=<optimized out>,
envp=0x7fff1c32c540) at ../../kinit/kinit.cpp:1853

Reported using DrKonqi

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