Application: polkit-kde-authentication-agent-1 (0.99.0)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic-pae i686
Distribution: Ubuntu 11.04

-- Information about the crash:
I had just finished installing a new package with KPackageKit.  I noticed the update icon in the  Tray and clicked on "Software Updates."  There was one update showing, so I selected it and cliecked "Apply."  Crash!

-- Backtrace:
Application: PolicyKit1-KDE (polkit-kde-authentication-agent-1), signal: Segmentation fault
[Current thread is 1 (Thread 0xb58d1af0 (LWP 2206))]

Thread 4 (Thread 0xb2d75b70 (LWP 2254)):
#0  0xb5d435c0 in g_main_context_acquire () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb5d44dde in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb5d4592b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb5c70304 in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#4  0xb5d6e2df in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb5b52e99 in start_thread (arg=0xb2d75b70) at pthread_create.c:304
#6  0xb62df73e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xb1289b70 (LWP 3232)):
#0  isEmpty (src=0xb2401870) at ../../include/QtCore/../../src/corelib/tools/qlist.h:95
#1  isEmpty (src=0xb2401870) at ../../include/QtCore/../../src/corelib/tools/qlist.h:139
#2  timerSourceCheckHelper (src=0xb2401870) at kernel/qeventdispatcher_glib.cpp:146
#3  0xb5d4471d in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb5d4503a in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb5d45524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb705c577 in QEventDispatcherGlib::processEvents (this=0x99ed6f8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#7  0xb702e289 in QEventLoop::processEvents (this=0xb1289240, flags=...) at kernel/qeventloop.cpp:149
#8  0xb702e522 in QEventLoop::exec (this=0xb1289240, flags=...) at kernel/qeventloop.cpp:201
#9  0xb6f382a0 in QThread::exec (this=0x9ab99a0) at thread/qthread.cpp:492
#10 0xb700ffdb in QInotifyFileSystemWatcherEngine::run (this=0x9ab99a0) at io/qfilesystemwatcher_inotify.cpp:248
#11 0xb6f3ada2 in QThreadPrivate::start (arg=0x9ab99a0) at thread/qthread_unix.cpp:320
#12 0xb5b52e99 in start_thread (arg=0xb1289b70) at pthread_create.c:304
#13 0xb62df73e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xb0a88b70 (LWP 3238)):
#0  0xb783f832 in ?? () from /lib/ld-linux.so.2
#1  0xb5b5a0b9 in __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/lowlevellock.S:142
#2  0xb5b5554b in _L_lock_791 () from /lib/i386-linux-gnu/libpthread.so.0
#3  0xb5b55371 in __pthread_mutex_lock (mutex=0x97cad9c) at pthread_mutex_lock.c:61
#4  0xb62ed616 in pthread_mutex_lock (mutex=0x97cad9c) at forward.c:182
#5  0xb5d46851 in g_main_context_wakeup () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb5d469e1 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb5d6e2df in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb5b52e99 in start_thread (arg=0xb0a88b70) at pthread_create.c:304
#9  0xb62df73e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb58d1af0 (LWP 2206)):
[KCrash Handler]
#7  0xb5cef998 in g_type_check_instance_is_a () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#8  0xb5cca7fc in g_object_unref () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#9  0xb7470d5b in ~Data (this=0x9b2ef10, __in_chrg=<value optimized out>) at /build/buildd/polkit-qt-1-0.99.0/core/polkitqt1-identity.cpp:42
#10 ~QExplicitlySharedDataPointer (this=0x9b2ef10, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qshareddata.h:161
#11 PolkitQt1::Identity::~Identity (this=0x9b2ef10, __in_chrg=<value optimized out>) at /build/buildd/polkit-qt-1-0.99.0/core/polkitqt1-identity.cpp:67
#12 0x0804ec89 in node_destruct (data=0x9b1f3d0, this=<value optimized out>) at /usr/include/qt4/QtCore/qlist.h:418
#13 QList<PolkitQt1::Identity>::free (data=0x9b1f3d0, this=<value optimized out>) at /usr/include/qt4/QtCore/qlist.h:742
#14 0x080500eb in operator= (this=0x97a6ce0, actionId=..., message=..., iconName=..., details=..., cookie=..., identities=..., result=0x9b6c088) at /usr/include/qt4/QtCore/qlist.h:430
#15 PolicyKitListener::initiateAuthentication (this=0x97a6ce0, actionId=..., message=..., iconName=..., details=..., cookie=..., identities=..., result=0x9b6c088) at /build/buildd/polkit-kde-1-0.99.0/policykitlistener.cpp:80
#16 0xb745c37c in PolkitQt1::Agent::ListenerAdapter::polkit_qt_listener_initiate_authentication (this=0x97a9d60, listener=0x9731850, action_id=0x97d5288 "org.freedesktop.packagekit.system-update", message=0x97d52b1 "Authentication is required to update packages", icon_name=0x97d52df "package-x-generic", details=0xb24174c0, cookie=0x97d5324 "cookie2", identities=0xb2418130, cancellable=0x978d720, result=0x97d1f18) at /build/buildd/polkit-qt-1-0.99.0/agent/listeneradapter.cpp:102
#17 0xb745d552 in polkit_qt_listener_initiate_authentication (agent_listener=0x9731850, action_id=0x97d5288 "org.freedesktop.packagekit.system-update", message=0x97d52b1 "Authentication is required to update packages", icon_name=0x97d52df "package-x-generic", details=0xb24174c0, cookie=0x97d5324 "cookie2", identities=0xb2418130, cancellable=0x978d720, callback=0xb5bb3ec0, user_data=0x9b86350) at /build/buildd/polkit-qt-1-0.99.0/agent/polkitqtlistener.cpp:130
#18 0xb5bb3a85 in polkit_agent_listener_initiate_authentication () from /usr/lib/libpolkit-agent-1.so.0
#19 0xb5bb3ce7 in ?? () from /usr/lib/libpolkit-agent-1.so.0
#20 0xb5c605b2 in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#21 0xb5d40311 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#22 0xb5d44aa8 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#23 0xb5d45270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0xb5d45524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0xb705c53c in QEventDispatcherGlib::processEvents (this=0x96f5440, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#26 0xb663d775 in QGuiEventDispatcherGlib::processEvents (this=0x96f5440, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#27 0xb702e289 in QEventLoop::processEvents (this=0xbfd346e4, flags=...) at kernel/qeventloop.cpp:149
#28 0xb702e522 in QEventLoop::exec (this=0xbfd346e4, flags=...) at kernel/qeventloop.cpp:201
#29 0xb7032ecc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#30 0xb65878e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#31 0x08050951 in main (argc=159154688, argv=0x97cd2f8) at /build/buildd/polkit-kde-1-0.99.0/main.cpp:44

Possible duplicates by query: bug 274268, bug 273380, bug 257802.

Reported using DrKonqi