[Bug 271938] New: kdeinit4 crashed after service kdm restart and unplugging my USB rocket stick

sam at bnt.ca sam at bnt.ca
Thu Apr 28 19:36:33 BST 2011 

https://bugs.kde.org/show_bug.cgi?id=271938

           Summary: kdeinit4 crashed after service kdm restart and
                    unplugging my USB rocket stick
           Product: kdelibs
           Version: unspecified
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: kded
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: sam at bnt.ca


Application: kded4 ($Id$)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic i686
Distribution: Ubuntu 11.04

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

* ran sudo apt-get upgrade and noticed that a new version of KDM was installed

* logged-out of KDE

* from tty1 executed service kdm stop; service kdm start to ensure that the new
KDM would be running

* logged into my account and tried sudo wvdial to connect through the rocket
stick.

* modem did not respond

* unplugged the rocket stick. from lsusb:

Bus 001 Device 008: ID 19d2:0031 ONDA Communication S.p.A. ZTE MF636

Note that this is the buggy version of the MF636, from rogers/fido in Quebec,
Canada (a modem that has been causing problems for developers for the past
couple of years.) It does not yet have the recently released software upgrade
from ZTE.

- Unusual behavior I noticed:

* crash reporting assistant appeared and reported that kdeinit4 crashed.

Thanks as always for your wonderful service!

-- Backtrace:
Application: KDE Daemon (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77feb60 (LWP 4820))]

Thread 3 (Thread 0xb29ffb70 (LWP 4830)):
#0  0x016c6d41 in clock_gettime (clock_id=1, tp=0xb29ff000) at
../sysdeps/unix/clock_gettime.c:116
#1  0x009fadd8 in do_gettime () at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x00ac74f2 in updateCurrentTime (this=0xb2a007f4, tm=...) at
kernel/qeventdispatcher_unix.cpp:339
#4  QTimerInfoList::timerWait (this=0xb2a007f4, tm=...) at
kernel/qeventdispatcher_unix.cpp:442
#5  0x00ac5d32 in timerSourcePrepareHelper (src=<value optimized out>,
timeout=0xb29ff0dc) at kernel/qeventdispatcher_glib.cpp:136
#6  0x00ac5dcd in timerSourcePrepare (source=0xb2a007c0, timeout=<value
optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x07084fd4 in g_main_context_prepare () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x07085e63 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x07086524 in g_main_context_iteration () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x00ac6577 in QEventDispatcherGlib::processEvents (this=0x9b10680,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x00a98289 in QEventLoop::processEvents (this=0xb29ff290, flags=...) at
kernel/qeventloop.cpp:149
#12 0x00a98522 in QEventLoop::exec (this=0xb29ff290, flags=...) at
kernel/qeventloop.cpp:201
#13 0x009a22a0 in QThread::exec (this=0x9b0f7e8) at thread/qthread.cpp:492
#14 0x00a79fdb in QInotifyFileSystemWatcherEngine::run (this=0x9b0f7e8) at
io/qfilesystemwatcher_inotify.cpp:248
#15 0x009a4da2 in QThreadPrivate::start (arg=0x9b0f7e8) at
thread/qthread_unix.cpp:320
#16 0x08b34e99 in start_thread (arg=0xb29ffb70) at pthread_create.c:304
#17 0x041c573e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xb21feb70 (LWP 4833)):
#0  0x005b6416 in __kernel_vsyscall ()
#1  0x041b6f76 in __poll (fds=0x9ab0040, nfds=3, timeout=-1) at
../sysdeps/unix/sysv/linux/poll.c:87
#2  0x0709684b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x070861af in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0708692b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x02d03304 in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0x070af2df in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x08b34e99 in start_thread (arg=0xb21feb70) at pthread_create.c:304
#8  0x041c573e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb77feb60 (LWP 4820)):
[KCrash Handler]
#7  QCoreApplication::postEvent (receiver=0x9b73f54, event=0x9b89540,
priority=0) at kernel/qcoreapplication.cpp:1132
#8  0x00a9c4cc in QCoreApplication::postEvent (receiver=0x9b73f54,
event=0x9b89540) at kernel/qcoreapplication.cpp:1093
#9  0x08cd1092 in postEventToThread (this=0x9acc948, hook=..., msg=...) at
qdbusintegrator.cpp:2387
#10 QDBusConnectionPrivate::activateSignal (this=0x9acc948, hook=..., msg=...)
at qdbusintegrator.cpp:766
#11 0x08cd1419 in QDBusConnectionPrivate::handleSignal (this=0x9acc948,
key=..., msg=...) at qdbusintegrator.cpp:1573
#12 0x08cd1661 in QDBusConnectionPrivate::handleSignal (this=0x9acc948,
msg=...) at qdbusintegrator.cpp:1592
#13 0x08cd305f in QDBusConnectionPrivate::handleMessage (this=0x9acc948,
amsg=...) at qdbusintegrator.cpp:560
#14 0x08cd733e in qDBusSignalFilter (connection=0x9acded8, message=0x9bd5078,
data=0x9acc948) at qdbusintegrator.cpp:541
#15 0x06a893ab in dbus_connection_dispatch () from
/lib/i386-linux-gnu/libdbus-1.so.3
#16 0x08cc992b in q_dbus_connection_dispatch (this=0x9acc948) at
qdbus_symbols_p.h:115
#17 QDBusConnectionPrivate::doDispatch (this=0x9acc948) at
qdbusintegrator.cpp:1125
#18 0x08ccbf25 in QDBusConnectionPrivate::socketRead (this=0x9acc948, fd=11) at
qdbusintegrator.cpp:1145
#19 0x08d0f0bf in QDBusConnectionPrivate::qt_metacall (this=0x9acc948,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xbfb1b888) at
.moc/release-shared/moc_qdbusconnection_p.cpp:99
#20 0x00a9f6ba in QMetaObject::metacall (object=0x9acc948,
cl=QMetaObject::InvokeMetaMethod, idx=8, argv=0xbfb1b888) at
kernel/qmetaobject.cpp:237
#21 0x00aaf4ff in QMetaObject::activate (sender=0x9ad0678, m=0xbd4550,
local_signal_index=0, argv=0xbfb1b888) at kernel/qobject.cpp:3287
#22 0x00afc183 in QSocketNotifier::activated (this=0x9ad0678, _t1=11) at
.moc/release-shared/moc_qsocketnotifier.cpp:89
#23 0x00ab4fb7 in QSocketNotifier::event (this=0x9ad0678, e=0xbfb1bd04) at
kernel/qsocketnotifier.cpp:317
#24 0x00d72d24 in QApplicationPrivate::notify_helper (this=0x99f48f8,
receiver=0x9ad0678, e=0xbfb1bd04) at kernel/qapplication.cpp:4462
#25 0x00d778ce in QApplication::notify (this=0xbfb1c010, receiver=0x9ad0678,
e=0xbfb1bd04) at kernel/qapplication.cpp:3862
#26 0x002f13ca in KApplication::notify (this=0xbfb1c010, receiver=0x9ad0678,
event=0xbfb1bd04) at ../../kdeui/kernel/kapplication.cpp:311
#27 0x00a990bb in QCoreApplication::notifyInternal (this=0xbfb1c010,
receiver=0x9ad0678, event=0xbfb1bd04) at kernel/qcoreapplication.cpp:731
#28 0x00ac5ec7 in sendEvent (source=0x99f6c90) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#29 socketNotifierSourceDispatch (source=0x99f6c90) at
kernel/qeventdispatcher_glib.cpp:110
#30 0x07085aa8 in g_main_context_dispatch () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#31 0x07086270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#32 0x07086524 in g_main_context_iteration () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#33 0x00ac653c in QEventDispatcherGlib::processEvents (this=0x99cb2e0,
flags=...) at kernel/qeventdispatcher_glib.cpp:422
#34 0x00e26775 in QGuiEventDispatcherGlib::processEvents (this=0x99cb2e0,
flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#35 0x00a98289 in QEventLoop::processEvents (this=0xbfb1bf74, flags=...) at
kernel/qeventloop.cpp:149
#36 0x00a98522 in QEventLoop::exec (this=0xbfb1bf74, flags=...) at
kernel/qeventloop.cpp:201
#37 0x00a9cecc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#38 0x00d708e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#39 0x06e76b50 in kdemain (argc=1, argv=0x99b3268) at ../../kded/kded.cpp:925
#40 0x0804dc5f in launch (argc=1, _name=0x8052207 "kded4", args=<value
optimized out>, cwd=0x0, envc=0, envs=<value optimized out>, reset_env=false,
tty=0x0, avoid_loops=false, startup_id_str=0x805208e "0") at
../../kinit/kinit.cpp:746
#41 0x0805085c in main (argc=688502528, argv=0x1000000, envp=0x3000000) at
../../kinit/kinit.cpp:1861

This bug may be a duplicate of or related to bug 269396.

Possible duplicates by query: bug 269396.

Reported using DrKonqi

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