[Bug 285660] New: Kmail crashes downloading multiple items

[Roberto]

https://bugs.kde.org/show_bug.cgi?id=285660

           Summary: Kmail crashes downloading multiple items
           Product: kde
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: rpolli at babel.it


Application: kmail (1.13.5)
KDE Platform Version: 4.5.3 (KDE 4.5.3)
Qt Version: 4.7.0
Operating System: Linux 2.6.32-34-generic x86_64
Distribution: Ubuntu 10.04.3 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I was downloading an attachment while checking mail in another folder.

I noted that kmail usually crashes while doing parallel operations.
Ex. 1
- select many mail
- delete selected mail
- select another folder *before* kmail finishes the delete operation
-> crash

Ex. 2
- download an (large enough) attachment
- select another folder *before* the download is finished
-> crash

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f83e4fa3820 (LWP 24124))]

Thread 2 (Thread 0x7f83c1641700 (LWP 24126)):
#0  0x00007f83e19dbf93 in *__GI___poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f83d8aa74a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f83d8aa78fc in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#3  0x00007f83e234a1d6 in QEventDispatcherGlib::processEvents (this=0x13ccf50,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007f83e231cdd2 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f83e231d1bc in QEventLoop::exec (this=0x7f83c1640cf0, flags=) at
kernel/qeventloop.cpp:201
#6  0x00007f83e222836d in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:490
#7  0x00007f83e22fcb48 in QInotifyFileSystemWatcherEngine::run (this=0x1976320)
at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f83e222b2ee in QThreadPrivate::start (arg=0x1976320) at
thread/qthread_unix.cpp:266
#9  0x00007f83df4dc9ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#10 0x00007f83e19e870d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f83e4fa3820 (LWP 24124)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007f83e3abefed in KMLoadPartsCommand::slotStart (this=0x216e380) at
../../kmail/kmcommands.cpp:2857
#8  0x00007f83e3aaed36 in KMCommand::qt_metacall (this=0x216e380,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x229b940) at
./kmcommands.moc:92
#9  0x00007f83e3aaef70 in KMLoadPartsCommand::qt_metacall (this=0x2d9e6d0,
_c=59780864, _id=5, _a=0x0) at ./kmcommands.moc:2135
#10 0x00007f83e232fe7e in QObject::event (this=0x216e380, e=0x2d9e6d0) at
kernel/qobject.cpp:1219
#11 0x00007f83e281a6ec in QApplicationPrivate::notify_helper (this=0x1034b20,
receiver=0x216e380, e=0x2283ab0) at kernel/qapplication.cpp:4396
#12 0x00007f83e28201dd in QApplication::notify (this=0x7fff2d5941d0,
receiver=0x216e380, e=0x2283ab0) at kernel/qapplication.cpp:4277
#13 0x00007f83e49c7926 in KApplication::notify (this=0x7fff2d5941d0,
receiver=0x216e380, event=0x2283ab0) at ../../kdeui/kernel/kapplication.cpp:310
#14 0x00007f83e231e0ac in QCoreApplication::notifyInternal
(this=0x7fff2d5941d0, receiver=0x216e380, event=0x2283ab0) at
kernel/qcoreapplication.cpp:732
#15 0x00007f83e2320fd2 in QCoreApplication::sendEvent (receiver=0x0,
event_type=<value optimized out>, data=0xfde950) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value
optimized out>, data=0xfde950) at kernel/qcoreapplication.cpp:1373
#17 0x00007f83e234a643 in QCoreApplication::sendPostedEvents (s=0x1038260) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#18 postEventSourceDispatch (s=0x1038260) at
kernel/qeventdispatcher_glib.cpp:277
#19 0x00007f83d8aa38c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#20 0x00007f83d8aa7748 in ?? () from /lib/libglib-2.0.so.0
#21 0x00007f83d8aa78fc in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#22 0x00007f83e234a183 in QEventDispatcherGlib::processEvents (this=0xfde0a0,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#23 0x00007f83e28cc97e in QGuiEventDispatcherGlib::processEvents
(this=0x2d9e6d0, flags=<value optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f83e231cdd2 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#25 0x00007f83e231d1bc in QEventLoop::exec (this=0x7fff2d594000, flags=) at
kernel/qeventloop.cpp:201
#26 0x00007f83e232126b in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1009
#27 0x0000000000403482 in main (argc=<value optimized out>, argv=<value
optimized out>) at ../../kmail/main.cpp:156

Possible duplicates by query: bug 268805, bug 263402, bug 244419, bug 240473,
bug 238016.

Reported using DrKonqi

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