[Bug 237085] New: Crash when loading printer-queue

[Geoffray Levasseur]

https://bugs.kde.org/show_bug.cgi?id=237085

           Summary: Crash when loading printer-queue
           Product: kde
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: jeff.levasseur at free.fr


Application: print-queue (0.1)
KDE Platform Version: 4.4.3 (KDE 4.4.3) (Compiled from sources)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-4-amd64 x86_64
Distribution: Debian GNU/Linux 5.0.4 (lenny)

-- Information about the crash:
This always hapen when clicking on "Configure Printer" from the kcm module in
KDE's system configuration.

The printer is connected via ethernet and is disconnected. I did not test it
when printer is connected as I'm not at home ;). Will send feedback when it
will be connected.

The crash can be reproduced every time.

 -- Backtrace:
Application: PrintQueue (print-queue), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f831bfb8770 (LWP 22718))]

Thread 2 (Thread 0x7f8306304910 (LWP 22719)):
[KCrash Handler]
#5  0x0000000000000040 in ?? ()
#6  0x00007f8319f63b79 in operator<< (dbg=) at kernel/qobject.cpp:3683
#7  0x00007f831abd2e73 in QCups::Request::request (this=0x1560f70,
result=0x1658d30, operation=CUPS_GET_PRINTERS, resource=..., reqValues=...,
needResponse=true)
    at /share/src/kde/playground/print-manager/libqcups/cupsActions.cpp:482
#8  0x00007f831abcfcce in QCups::Request::qt_metacall (this=0x1560f70,
_c=QMetaObject::InvokeMetaMethod, _id=2, _a=0x1656580)
    at
/share/src/build/kde/playground/print-manager/libqcups/moc_cupsActions.cpp:92
#9  0x00007f8319f5cb59 in QObject::event (this=0x1560f70, e=0x1659380) at
kernel/qobject.cpp:1248
#10 0x00007f83190cf8fc in QApplicationPrivate::notify_helper (this=0x14e0320,
receiver=0x1560f70, e=0x1659380) at kernel/qapplication.cpp:4300
#11 0x00007f83190d5ddb in QApplication::notify (this=0x7fff22fda5c0,
receiver=0x1560f70, e=0x1659380) at kernel/qapplication.cpp:4183
#12 0x00007f831b9be931 in KApplication::notify (this=0x7fff22fda5c0,
receiver=0x1560f70, event=0x1659380) at
/share/src/kde/KDE/kdelibs/kdeui/kernel/kapplication.cpp:302
#13 0x00007f8319f4cf1c in QCoreApplication::notifyInternal
(this=0x7fff22fda5c0, receiver=0x1560f70, event=0x1659380) at
kernel/qcoreapplication.cpp:704
#14 0x00007f8319f4f697 in QCoreApplication::sendEvent (receiver=0x0,
event_type=<value optimized out>, data=0x16e8950) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value
optimized out>, data=0x16e8950) at kernel/qcoreapplication.cpp:1345
#16 0x00007f8319f76833 in QCoreApplication::sendPostedEvents (s=<value
optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#17 postEventSourceDispatch (s=<value optimized out>) at
kernel/qeventdispatcher_glib.cpp:276
#18 0x00007f8313fd66c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#19 0x00007f8313fda538 in ?? () from /lib/libglib-2.0.so.0
#20 0x00007f8313fda6ec in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#21 0x00007f8319f76373 in QEventDispatcherGlib::processEvents (this=0x15da240,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#22 0x00007f8319f4b842 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#23 0x00007f8319f4bc1c in QEventLoop::exec (this=0x7f8306303fc0, flags=) at
kernel/qeventloop.cpp:201
#24 0x00007f8319e55bc9 in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:487
#25 0x00007f831abd140b in QCups::CupsThreadRequest::run (this=0x16cbc80) at
/share/src/kde/playground/print-manager/libqcups/cupsActions.cpp:137
#26 0x00007f8319e585c5 in QThreadPrivate::start (arg=0x16cbc80) at
thread/qthread_unix.cpp:248
#27 0x00007f8319bb97aa in start_thread () from /lib/libpthread.so.0
#28 0x00007f8317f2959d in clone () from /lib/libc.so.6
#29 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f831bfb8770 (LWP 22718)):
#0  0x00007f8317f1e633 in poll () from /lib/libc.so.6
#1  0x00007f831303f8ca in ?? () from /usr/lib/libxcb.so.1
#2  0x00007f831303fec9 in ?? () from /usr/lib/libxcb.so.1
#3  0x00007f8313040175 in xcb_writev () from /usr/lib/libxcb.so.1
#4  0x00007f831774e616 in _XSend () from /usr/lib/libX11.so.6
#5  0x00007f831774e769 in _XReply () from /usr/lib/libX11.so.6
#6  0x00007f831772bbb3 in XGetSelectionOwner () from /usr/lib/libX11.so.6
#7  0x00007f831915c944 in QClipboard::event (this=0x16332d0, e=<value optimized
out>) at kernel/qclipboard_x11.cpp:928
#8  0x00007f83190cf8fc in QApplicationPrivate::notify_helper (this=0x14e0320,
receiver=0x16332d0, e=0x7fff22fda500) at kernel/qapplication.cpp:4300
#9  0x00007f83190d5ddb in QApplication::notify (this=0x7fff22fda5c0,
receiver=0x16332d0, e=0x7fff22fda500) at kernel/qapplication.cpp:4183
#10 0x00007f8319f4cf1c in QCoreApplication::notifyInternal
(this=0x7fff22fda5c0, receiver=0x16332d0, event=0x7fff22fda500) at
kernel/qcoreapplication.cpp:704
#11 0x00007f83190dcabb in QCoreApplication::sendEvent (this=0x7fff22fda5c0,
__in_chrg=<value optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#12 ~QApplication (this=0x7fff22fda5c0, __in_chrg=<value optimized out>) at
kernel/qapplication.cpp:1011
#13 0x000000000040b8bb in ~PrintQueue (this=0x7fff22fda5c0, __in_chrg=<value
optimized out>) at
/share/src/kde/playground/print-manager/printqueue/PrintQueue.cpp:52
#14 0x000000000040b33f in main (argc=1, argv=0x7fff22fda858) at
/share/src/kde/playground/print-manager/printqueue/main.cpp:54

Reported using DrKonqi

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