[Bug 300500] New: Find Queue in Printer Configuration crashes the System Settings interface.

gamesh.g at gmail.com gamesh.g at gmail.com
Wed May 23 12:23:04 BST 2012 

https://bugs.kde.org/show_bug.cgi?id=300500

            Bug ID: 300500
          Severity: crash
           Version: 1.0
          Priority: NOR
          Assignee: unassigned-bugs at kde.org
           Summary: Find Queue in Printer Configuration crashes the System
                    Settings interface.
    Classification: Unclassified
                OS: Linux
          Reporter: gamesh.g at gmail.com
          Hardware: Ubuntu Packages
            Status: UNCONFIRMED
         Component: general
           Product: systemsettings

Application: systemsettings (1.0)
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-24-generic-pae i686
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
When trying to add a new printer, I selected "Internet Printing Protocol (ipp)"
from the "Select Connection" list, then clicked "Find Queue" and at that point
get a crash every time.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb4eb7740 (LWP 1616))]

Thread 2 (Thread 0xb18d5b40 (LWP 1617)):
#0  0xb77ba424 in __kernel_vsyscall ()
#1  0xb605e380 in __GI___poll (fds=0xb0d02278, nfds=1, timeout=-1) at
../sysdeps/unix/sysv/linux/poll.c:87
#2  0xb571ba3b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb570e06e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb570e1c1 in g_main_context_iteration () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb63bc8e7 in QEventDispatcherGlib::processEvents (this=0xb0d00468,
flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb638850d in QEventLoop::processEvents (this=0xb18d5240, flags=...) at
kernel/qeventloop.cpp:149
#7  0xb63887a9 in QEventLoop::exec (this=0xb18d5240, flags=...) at
kernel/qeventloop.cpp:204
#8  0xb627194c in QThread::exec (this=0xa003ff0) at thread/qthread.cpp:501
#9  0xb6365b5d in QInotifyFileSystemWatcherEngine::run (this=0xa003ff0) at
io/qfilesystemwatcher_inotify.cpp:248
#10 0xb6274de0 in QThreadPrivate::start (arg=0xa003ff0) at
thread/qthread_unix.cpp:298
#11 0xb57dfd4c in start_thread (arg=0xb18d5b40) at pthread_create.c:308
#12 0xb606cace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb4eb7740 (LWP 1616)):
[KCrash Handler]
#7  0xada6ee57 in dbgtext () from /lib/i386-linux-gnu/libnss_wins.so.2
#8  0xada6f9a4 in ?? () from /lib/i386-linux-gnu/libnss_wins.so.2
#9  0xaec924b7 in talloc_log (fmt=0xaec98087 "%s\n") at ../talloc.c:291
#10 0xaec90984 in talloc_abort (reason=0xaec97e5c "Bad talloc magic value -
unknown value") at ../talloc.c:314
#11 0xaec96e68 in talloc_abort_unknown_value () at ../talloc.c:341
#12 talloc_chunk_from_ptr (ptr=0xae823900) at ../talloc.c:360
#13 _talloc_realloc (context=0x0, ptr=0xae823900, size=4, name=0xadaced5a
"int") at ../talloc.c:1401
#14 0xaec970f8 in _talloc_realloc_array (ctx=0x0, ptr=0xae823900, el_size=4,
count=1, name=0xadaced5a "int") at ../talloc.c:2239
#15 0xada6eba6 in debug_add_class () from /lib/i386-linux-gnu/libnss_wins.so.2
#16 0xada6eabb in ?? () from /lib/i386-linux-gnu/libnss_wins.so.2
#17 0xada6fa77 in debug_parse_levels () from
/lib/i386-linux-gnu/libnss_wins.so.2
#18 0xada34e82 in ?? () from /lib/i386-linux-gnu/libnss_wins.so.2
#19 0xada3d301 in lp_do_parameter () from /lib/i386-linux-gnu/libnss_wins.so.2
#20 0xada3d74d in ?? () from /lib/i386-linux-gnu/libnss_wins.so.2
#21 0xada33d37 in _nss_wins_gethostbyname_r () from
/lib/i386-linux-gnu/libnss_wins.so.2
#22 0xada33f32 in _nss_wins_gethostbyname2_r () from
/lib/i386-linux-gnu/libnss_wins.so.2
#23 0xb60459f2 in gaih_inet (name=0xb079a37c "", service=<optimized out>,
req=0xbfad5068, pai=0xbfad4ff4, naddrs=0xbfad5004) at
../sysdeps/posix/getaddrinfo.c:952
#24 0xb6046d6d in __GI_getaddrinfo (name=0xb079a37c "", service=<optimized
out>, hints=<optimized out>, pai=0xbfad5088) at
../sysdeps/posix/getaddrinfo.c:2423
#25 0xaeb67d40 in httpAddrGetList (hostname=0xb079a37c "", family=0,
service=0xbfad512d "631") at http-addrlist.c:343
#26 0xaeb64abf in _httpCreate (host=0xb079a37c "", port=631, addrlist=0x0,
encryption=4294967295, family=0) at http.c:600
#27 0xaeb66ef2 in httpConnectEncrypt (host=0xb079a37c "", port=631,
encryption=4294967295) at http.c:479
#28 0xaeba3890 in ?? () from /usr/lib/python2.7/dist-packages/cups.so
#29 0xb0af251a in type_call.25666 () from /usr/lib/libpython2.7.so.1.0
#30 0xb0af1464 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#31 0xb0a4fdd7 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#32 0xb0a51d97 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#33 0xb0a51d97 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#34 0xb0a074d2 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#35 0xb0a07688 in function_call () from /usr/lib/libpython2.7.so.1.0
#36 0xb0af1464 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#37 0xb0a5ae50 in instancemethod_call.8741 () from /usr/lib/libpython2.7.so.1.0
#38 0xb0af1464 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#39 0xb0ae0f0f in slot_tp_init.25689 () from /usr/lib/libpython2.7.so.1.0
#40 0xb0af251a in type_call.25666 () from /usr/lib/libpython2.7.so.1.0
#41 0xb0af1464 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#42 0xb0a4fdd7 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#43 0xb0a074d2 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#44 0xb0a07688 in function_call () from /usr/lib/libpython2.7.so.1.0
#45 0xb0af1464 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#46 0xb0a5ae50 in instancemethod_call.8741 () from /usr/lib/libpython2.7.so.1.0
#47 0xb0af1464 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#48 0xb0af1dfb in PyEval_CallObjectWithKeywords () from
/usr/lib/libpython2.7.so.1.0
#49 0xb193d584 in sip_api_invoke_slot (slot=0xa6e41c4, sigargs=()) at
/build/buildd/sip4-4.13.2/siplib/qtlib.c:203
#50 0xb053ebad in PyQtProxy::invokeSlot(qpycore_slot const&, void**) () from
/usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#51 0xb053f0ef in PyQtProxy::unislot(void**) () from
/usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#52 0xb053f1fb in PyQtProxy::qt_metacall(QMetaObject::Call, int, void**) ()
from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#53 0xb6390c9d in metacall (argv=0xbfad6168, idx=5,
cl=QMetaObject::InvokeMetaMethod, object=0xa6e41a8) at
kernel/qmetaobject.cpp:245
#54 QMetaObject::metacall (object=0xa6e41a8, cl=QMetaObject::InvokeMetaMethod,
idx=5, argv=0xbfad6168) at kernel/qmetaobject.cpp:240
#55 0xb63a09bd in QMetaObject::activate (sender=0xa7c2128, m=0xb72fd7c8,
local_signal_index=2, argv=0xbfad6168) at kernel/qobject.cpp:3566
#56 0xb70a996d in QAbstractButton::clicked (this=0xa7c2128, _t1=false) at
.moc/release-shared/moc_qabstractbutton.cpp:220
#57 0xb6d9d61d in QAbstractButtonPrivate::emitClicked (this=0xa7c2178) at
widgets/qabstractbutton.cpp:548
#58 0xb6d9ec8b in QAbstractButtonPrivate::click (this=0xa7c2178) at
widgets/qabstractbutton.cpp:541
#59 0xb6d9ef46 in QAbstractButton::mouseReleaseEvent (this=0xa7c2128,
e=0xbfad68b4) at widgets/qabstractbutton.cpp:1123
#60 0xb00d1e18 in sipQPushButton::mouseReleaseEvent (this=0xa7c2128,
a0=0xbfad68b4) at sipQtGuipart9.cpp:22915
#61 0xb69cc1ac in QWidget::event (this=0xa7c2128, event=0xbfad68b4) at
kernel/qwidget.cpp:8362
#62 0xb6d9e1e9 in QAbstractButton::event (this=0xa7c2128, e=0xbfad68b4) at
widgets/qabstractbutton.cpp:1082
#63 0xb6e41758 in QPushButton::event (this=0xa7c2128, e=0xbfad68b4) at
widgets/qpushbutton.cpp:683
#64 0xb00d9fbc in event (a0=0xbfad68b4, this=0xa7c2128) at
sipQtGuipart9.cpp:22740
#65 sipQPushButton::event (this=0xa7c2128, a0=0xbfad68b4) at
sipQtGuipart9.cpp:22732
#66 0xb6971ed4 in notify_helper (e=0xbfad68b4, receiver=0xa7c2128,
this=0x9ce7050) at kernel/qapplication.cpp:4559
#67 QApplicationPrivate::notify_helper (this=0x9ce7050, receiver=0xa7c2128,
e=0xbfad68b4) at kernel/qapplication.cpp:4531
#68 0xb6978024 in QApplication::notify (this=0x9ce7050, receiver=0xa7c2128,
e=0xbfad68b4) at kernel/qapplication.cpp:4102
#69 0xb74f6b21 in KApplication::notify (this=0xbfad88ac, receiver=0xa7c2128,
event=0xbfad68b4) at ../../kdeui/kernel/kapplication.cpp:311
#70 0xb638997e in QCoreApplication::notifyInternal (this=0xbfad88ac,
receiver=0xa7c2128, event=0xbfad68b4) at kernel/qcoreapplication.cpp:876
#71 0xb6972e95 in sendEvent (event=<optimized out>, receiver=<optimized out>)
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#72 QApplicationPrivate::sendMouseEvent (receiver=0xa7c2128, event=0xbfad68b4,
alienWidget=0xa7c2128, nativeWidget=0xa7a12e0, buttonDown=0xb7306cf4,
lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3170
#73 0xb69ff074 in QETWidget::translateMouseEvent (this=0xa7a12e0,
event=0xbfad6d6c) at kernel/qapplication_x11.cpp:4617
#74 0xb69fdc0d in QApplication::x11ProcessEvent (this=0xbfad88ac,
event=0xbfad6d6c) at kernel/qapplication_x11.cpp:3732
#75 0xb6a2aeac in x11EventSourceDispatch (s=0x9ce8d00, callback=0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#76 0xb570dcda in g_main_context_dispatch () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#77 0xb570e0e5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#78 0xb570e1c1 in g_main_context_iteration () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#79 0xb63bc887 in QEventDispatcherGlib::processEvents (this=0x9cc3798,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#80 0xb6a2aaaa in QGuiEventDispatcherGlib::processEvents (this=0x9cc3798,
flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#81 0xb638850d in QEventLoop::processEvents (this=0xbfad7060, flags=...) at
kernel/qeventloop.cpp:149
#82 0xb63887a9 in QEventLoop::exec (this=0xbfad7060, flags=...) at
kernel/qeventloop.cpp:204
#83 0xb6ec40c9 in QDialog::exec (this=0xa6074b0) at dialogs/qdialog.cpp:554
#84 0xb00966c5 in meth_QDialog_exec_ (sipSelf=, sipArgs=()) at
/build/buildd/python-qt4-4.9.1/sip/QtGui/qdialog.sip:73
#85 0xb0af28cf in PyCFunction_Call () from /usr/lib/libpython2.7.so.1.0
#86 0xb0a518bf in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#87 0xb0a51d97 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#88 0xb0a074d2 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#89 0xb0a07688 in function_call () from /usr/lib/libpython2.7.so.1.0
#90 0xb0af1464 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#91 0xb0a5ae50 in instancemethod_call.8741 () from /usr/lib/libpython2.7.so.1.0
#92 0xb0af1464 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#93 0xb0af1dfb in PyEval_CallObjectWithKeywords () from
/usr/lib/libpython2.7.so.1.0
#94 0xb193d584 in sip_api_invoke_slot (slot=0xa7300b4, sigargs=()) at
/build/buildd/sip4-4.13.2/siplib/qtlib.c:203
#95 0xb053ebad in PyQtProxy::invokeSlot(qpycore_slot const&, void**) () from
/usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#96 0xb053f0ef in PyQtProxy::unislot(void**) () from
/usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#97 0xb053f1fb in PyQtProxy::qt_metacall(QMetaObject::Call, int, void**) ()
from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#98 0xb6390c9d in metacall (argv=0xbfad7908, idx=5,
cl=QMetaObject::InvokeMetaMethod, object=0xa730098) at
kernel/qmetaobject.cpp:245
#99 QMetaObject::metacall (object=0xa730098, cl=QMetaObject::InvokeMetaMethod,
idx=5, argv=0xbfad7908) at kernel/qmetaobject.cpp:240
#100 0xb63a09bd in QMetaObject::activate (sender=0xa6c04b0, m=0xb72fd7c8,
local_signal_index=2, argv=0xbfad7908) at kernel/qobject.cpp:3566
#101 0xb70a996d in QAbstractButton::clicked (this=0xa6c04b0, _t1=false) at
.moc/release-shared/moc_qabstractbutton.cpp:220
#102 0xb6d9d61d in QAbstractButtonPrivate::emitClicked (this=0xa6c0508) at
widgets/qabstractbutton.cpp:548
#103 0xb6d9ec8b in QAbstractButtonPrivate::click (this=0xa6c0508) at
widgets/qabstractbutton.cpp:541
#104 0xb6d9ef46 in QAbstractButton::mouseReleaseEvent (this=0xa6c04b0,
e=0xbfad8054) at widgets/qabstractbutton.cpp:1123
#105 0xaf4b208c in sipKPushButton::mouseReleaseEvent (this=0xa6c04b0,
a0=0xbfad8054) at sip/kdeui/sipkdeuipart3.cpp:26974
#106 0xb69cc1ac in QWidget::event (this=0xa6c04b0, event=0xbfad8054) at
kernel/qwidget.cpp:8362
#107 0xb6d9e1e9 in QAbstractButton::event (this=0xa6c04b0, e=0xbfad8054) at
widgets/qabstractbutton.cpp:1082
#108 0xb6e41758 in QPushButton::event (this=0xa6c04b0, e=0xbfad8054) at
widgets/qpushbutton.cpp:683
#109 0xaf4c391c in event (a0=0xbfad8054, this=0xa6c04b0) at
sip/kdeui/sipkdeuipart3.cpp:26835
#110 sipKPushButton::event (this=0xa6c04b0, a0=0xbfad8054) at
sip/kdeui/sipkdeuipart3.cpp:26827
#111 0xb6971ed4 in notify_helper (e=0xbfad8054, receiver=0xa6c04b0,
this=0x9ce7050) at kernel/qapplication.cpp:4559
#112 QApplicationPrivate::notify_helper (this=0x9ce7050, receiver=0xa6c04b0,
e=0xbfad8054) at kernel/qapplication.cpp:4531
#113 0xb6978024 in QApplication::notify (this=0x9ce7050, receiver=0xa6c04b0,
e=0xbfad8054) at kernel/qapplication.cpp:4102
#114 0xb74f6b21 in KApplication::notify (this=0xbfad88ac, receiver=0xa6c04b0,
event=0xbfad8054) at ../../kdeui/kernel/kapplication.cpp:311
#115 0xb638997e in QCoreApplication::notifyInternal (this=0xbfad88ac,
receiver=0xa6c04b0, event=0xbfad8054) at kernel/qcoreapplication.cpp:876
#116 0xb6972e95 in sendEvent (event=<optimized out>, receiver=<optimized out>)
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#117 QApplicationPrivate::sendMouseEvent (receiver=0xa6c04b0, event=0xbfad8054,
alienWidget=0xa6c04b0, nativeWidget=0x9de3fa0, buttonDown=0xb7306cf4,
lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3170
#118 0xb69ff074 in QETWidget::translateMouseEvent (this=0x9de3fa0,
event=0xbfad850c) at kernel/qapplication_x11.cpp:4617
#119 0xb69fdc0d in QApplication::x11ProcessEvent (this=0xbfad88ac,
event=0xbfad850c) at kernel/qapplication_x11.cpp:3732
#120 0xb6a2aeac in x11EventSourceDispatch (s=0x9ce8d00, callback=0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#121 0xb570dcda in g_main_context_dispatch () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#122 0xb570e0e5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#123 0xb570e1c1 in g_main_context_iteration () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#124 0xb63bc887 in QEventDispatcherGlib::processEvents (this=0x9cc3798,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#125 0xb6a2aaaa in QGuiEventDispatcherGlib::processEvents (this=0x9cc3798,
flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#126 0xb638850d in QEventLoop::processEvents (this=0xbfad8804, flags=...) at
kernel/qeventloop.cpp:149
#127 0xb63887a9 in QEventLoop::exec (this=0xbfad8804, flags=...) at
kernel/qeventloop.cpp:204
#128 0xb638deba in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1148
#129 0xb696fa74 in QApplication::exec () at kernel/qapplication.cpp:3820
#130 0x080502b8 in main (argc=<error reading variable: Cannot access memory at
address 0x42>, argv=<error reading variable: Cannot access memory at address
0x46>) at ../../../systemsettings/app/main.cpp:49

Reported using DrKonqi

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