[systemsettings] [Bug 319889] New: System settings crashes when selecting a default printer

ChrisiPK at gmail.com ChrisiPK at gmail.com
Thu May 16 02:06:14 BST 2013


https://bugs.kde.org/show_bug.cgi?id=319889

            Bug ID: 319889
           Summary: System settings crashes when selecting a default
                    printer
    Classification: Unclassified
           Product: systemsettings
           Version: 1.0
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: ChrisiPK at gmail.com

Application: systemsettings (1.0)
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:
1. Open System Settings, go to Printers.
2. Check the "default printer" checkbox for one printer.
3. Close the system settings using X.
4. KDE reports crash of system settings.

- Custom settings of the application:
Since this is the settings application, there are no application settings, but
many machine settings involved. I am not sure what to provide here.
Some printer specific information: This is a machine in a workplace environment
using a custom CUPS server. There are 15 printers in the list.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fbd152b27c0 (LWP 7755))]

Thread 3 (Thread 0x7fbcf823b700 (LWP 7756)):
#0  0x00007fbd122ad3cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbd0b2df1dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbd0b2df304 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbd12a33036 in QEventDispatcherGlib::processEvents
(this=0x7fbcf00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fbd12a0338f in QEventLoop::processEvents
(this=this at entry=0x7fbcf823ad90, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fbd12a03618 in QEventLoop::exec (this=this at entry=0x7fbcf823ad90,
flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fbd12905410 in QThread::exec (this=this at entry=0x1313660) at
thread/qthread.cpp:542
#7  0x00007fbd129e4edf in QInotifyFileSystemWatcherEngine::run (this=0x1313660)
at io/qfilesystemwatcher_inotify.cpp:256
#8  0x00007fbd12907bec in QThreadPrivate::start (arg=0x1313660) at
thread/qthread_unix.cpp:338
#9  0x00007fbd0b7b1f8e in start_thread (arg=0x7fbcf823b700) at
pthread_create.c:311
#10 0x00007fbd122b9e1d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fbcf56bf700 (LWP 7757)):
#0  0x00007fbd122ad3cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbcf73ad7cb in httpAddrConnect2 () from
/usr/lib/x86_64-linux-gnu/libcups.so.2
#2  0x00007fbcf73acc1b in httpReconnect2 () from
/usr/lib/x86_64-linux-gnu/libcups.so.2
#3  0x00007fbcf73ac6c8 in ?? () from /usr/lib/x86_64-linux-gnu/libcups.so.2
#4  0x00007fbcf73a920c in cupsGetFd () from
/usr/lib/x86_64-linux-gnu/libcups.so.2
#5  0x00007fbcf73964ce in ?? () from /usr/lib/x86_64-linux-gnu/libcups.so.2
#6  0x00007fbcf73977b8 in cupsAdminGetServerSettings () from
/usr/lib/x86_64-linux-gnu/libcups.so.2
#7  0x00007fbcf76063f1 in KCupsRequest::getServerSettings() () from
/usr/lib/libkcupslib.so
#8  0x00007fbcf75f7665 in ?? () from /usr/lib/libkcupslib.so
#9  0x00007fbd12a1e5be in QObject::event (this=0x1499030, e=<optimized out>) at
kernel/qobject.cpp:1194
#10 0x00007fbd136688ec in QApplicationPrivate::notify_helper
(this=this at entry=0xd003a0, receiver=receiver at entry=0x1499030,
e=e at entry=0x1496b10) at kernel/qapplication.cpp:4567
#11 0x00007fbd1366b25b in QApplication::notify (this=this at entry=0x7ffff6e2ce70,
receiver=receiver at entry=0x1499030, e=e at entry=0x1496b10) at
kernel/qapplication.cpp:4428
#12 0x00007fbd14375af6 in KApplication::notify (this=0x7ffff6e2ce70,
receiver=0x1499030, event=0x1496b10) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x00007fbd12a0463e in QCoreApplication::notifyInternal
(this=0x7ffff6e2ce70, receiver=receiver at entry=0x1499030,
event=event at entry=0x1496b10) at kernel/qcoreapplication.cpp:946
#14 0x00007fbd12a08171 in sendEvent (event=0x1496b10, receiver=0x1499030) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver at entry=0x0,
event_type=event_type at entry=0, data=0x147e020) at
kernel/qcoreapplication.cpp:1570
#16 0x00007fbd12a084a3 in QCoreApplication::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=0) at
kernel/qcoreapplication.cpp:1463
#17 0x00007fbd12a32e83 in sendPostedEvents () at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#18 postEventSourceDispatch (s=0x7fbce80012d0) at
kernel/qeventdispatcher_glib.cpp:279
#19 0x00007fbd0b2def05 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fbd0b2df248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fbd0b2df304 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fbd12a33016 in QEventDispatcherGlib::processEvents
(this=0x7fbce80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007fbd12a0338f in QEventLoop::processEvents
(this=this at entry=0x7fbcf56bed80, flags=...) at kernel/qeventloop.cpp:149
#24 0x00007fbd12a03618 in QEventLoop::exec (this=this at entry=0x7fbcf56bed80,
flags=...) at kernel/qeventloop.cpp:204
#25 0x00007fbd12905410 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:542
#26 0x00007fbcf75fc6e5 in KCupsConnection::run() () from
/usr/lib/libkcupslib.so
#27 0x00007fbd12907bec in QThreadPrivate::start (arg=0x147de80) at
thread/qthread_unix.cpp:338
#28 0x00007fbd0b7b1f8e in start_thread (arg=0x7fbcf56bf700) at
pthread_create.c:311
#29 0x00007fbd122b9e1d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fbd152b27c0 (LWP 7755)):
[KCrash Handler]
#6  0x00007fbd136a778e in QWidget::testAttribute_helper (this=0x1456940,
attribute=Qt::WA_ForceDisabled) at kernel/qwidget.cpp:11068
#7  0x00007fbd136b0315 in testAttribute
(attribute=attribute at entry=Qt::WA_ForceDisabled, this=0x1456940) at
../../include/QtGui/../../src/gui/kernel/qwidget.h:1042
#8  QWidget::setAttribute (this=0x1456940,
attribute=attribute at entry=Qt::WA_ForceDisabled, on=true) at
kernel/qwidget.cpp:10726
#9  0x00007fbd136b2576 in QWidget::setEnabled (this=<optimized out>,
enable=<optimized out>) at kernel/qwidget.cpp:3380
#10 0x00007fbcf782d538 in ?? () from /usr/lib/kde4/kcm_printer_manager.so
#11 0x00007fbcf782d5dd in ?? () from /usr/lib/kde4/kcm_printer_manager.so
#12 0x00007fbcf7827f7b in ?? () from /usr/lib/kde4/kcm_printer_manager.so
#13 0x00007fbd12a192b3 in QMetaObject::activate (sender=sender at entry=0x1456940,
m=m at entry=0x7fbd14133ca0 <QAbstractButton::staticMetaObject>,
local_signal_index=local_signal_index at entry=2, argv=argv at entry=0x7ffff6e2b960)
at kernel/qobject.cpp:3558
#14 0x00007fbd13cd3c82 in QAbstractButton::clicked (this=this at entry=0x1456940,
_t1=true) at .moc/release-shared/moc_qabstractbutton.cpp:220
#15 0x00007fbd13a2723e in QAbstractButtonPrivate::emitClicked
(this=this at entry=0x1457430) at widgets/qabstractbutton.cpp:548
#16 0x00007fbd13a27a30 in QAbstractButtonPrivate::click
(this=this at entry=0x1457430) at widgets/qabstractbutton.cpp:541
#17 0x00007fbd13a27c9c in QAbstractButton::mouseReleaseEvent (this=0x1456940,
e=0x7ffff6e2c200) at widgets/qabstractbutton.cpp:1123
#18 0x00007fbd136b5a89 in QWidget::event (this=0x1456940, event=0x7ffff6e2c200)
at kernel/qwidget.cpp:8375
#19 0x00007fbd136688ec in QApplicationPrivate::notify_helper
(this=this at entry=0xd003a0, receiver=receiver at entry=0x1456940,
e=e at entry=0x7ffff6e2c200) at kernel/qapplication.cpp:4567
#20 0x00007fbd1366ba33 in QApplication::notify (this=this at entry=0x7ffff6e2ce70,
receiver=receiver at entry=0x1456940, e=e at entry=0x7ffff6e2c200) at
kernel/qapplication.cpp:4110
#21 0x00007fbd14375af6 in KApplication::notify (this=0x7ffff6e2ce70,
receiver=0x1456940, event=0x7ffff6e2c200) at
../../kdeui/kernel/kapplication.cpp:311
#22 0x00007fbd12a0463e in QCoreApplication::notifyInternal
(this=0x7ffff6e2ce70, receiver=receiver at entry=0x1456940,
event=event at entry=0x7ffff6e2c200) at kernel/qcoreapplication.cpp:946
#23 0x00007fbd1366e933 in sendEvent (event=<optimized out>, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#24 QApplicationPrivate::sendMouseEvent (receiver=receiver at entry=0x1456940,
event=event at entry=0x7ffff6e2c200, alienWidget=alienWidget at entry=0x1456940,
nativeWidget=nativeWidget at entry=0x1445270,
buttonDown=buttonDown at entry=0x7fbd14146308 <qt_button_down>,
lastMouseReceiver=..., spontaneous=spontaneous at entry=true) at
kernel/qapplication.cpp:3178
#25 0x00007fbd136e3ec4 in QETWidget::translateMouseEvent
(this=this at entry=0x1445270, event=event at entry=0x7ffff6e2c980) at
kernel/qapplication_x11.cpp:4631
#26 0x00007fbd136e2ef1 in QApplication::x11ProcessEvent (this=0x7ffff6e2ce70,
event=event at entry=0x7ffff6e2c980) at kernel/qapplication_x11.cpp:3746
#27 0x00007fbd1370e0b2 in x11EventSourceDispatch (s=0xcf54c0, callback=0x0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#28 0x00007fbd0b2def05 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fbd0b2df248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fbd0b2df304 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007fbd12a33016 in QEventDispatcherGlib::processEvents (this=0xcacad0,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#32 0x00007fbd1370e1ae in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#33 0x00007fbd12a0338f in QEventLoop::processEvents
(this=this at entry=0x7ffff6e2cd50, flags=...) at kernel/qeventloop.cpp:149
#34 0x00007fbd12a03618 in QEventLoop::exec (this=this at entry=0x7ffff6e2cd50,
flags=...) at kernel/qeventloop.cpp:204
#35 0x00007fbd12a08cf6 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1218
#36 0x00007fbd13666ffc in QApplication::exec () at kernel/qapplication.cpp:3828
#37 0x000000000040aa2e in main (argc=5, argv=0x7ffff6e2cfb8) at
../../../systemsettings/app/main.cpp:49

Possible duplicates by query: bug 310708, bug 268338.

Reported using DrKonqi

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