[Bug 248650] New: kmail crashes on exit after being open for awhile.

[richarddowne at gmail.com]

https://bugs.kde.org/show_bug.cgi?id=248650

           Summary: kmail crashes on exit after being open for awhile.
           Product: kmail
           Version: 1.13.2
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: richarddowne at gmail.com


Application: kmail (1.13.2)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-24-generic x86_64
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
If kmail has been open continuously for several days, it often becomes
unresponsive, and then crashes instead of exiting cleanly when I try to kill it
to free up resources.

The crash can be reproduced some of the time.

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f4108e1b820 (LWP 16736))]

Thread 2 (Thread 0x7f40e8db1710 (LWP 16784)):
#0  0x00007f410592cf83 in *__GI___poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f40fd2da4a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f40fd2da8fc in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#3  0x00007f4106298566 in QEventDispatcherGlib::processEvents (this=0x216bf50,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007f410626d992 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f410626dd6c in QEventLoop::exec (this=0x7f40e8db0cf0, flags=) at
kernel/qeventloop.cpp:201
#6  0x00007f4106177d59 in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:487
#7  0x00007f410624e178 in QInotifyFileSystemWatcherEngine::run (this=0x2163f80)
at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f410617a775 in QThreadPrivate::start (arg=0x2163f80) at
thread/qthread_unix.cpp:248
#9  0x00007f4103d839ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#10 0x00007f41059396fd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f4108e1b820 (LWP 16736)):
[KCrash Handler]
#5  KMFilterMgr::deref (this=0x0, force=false) at
../../kmail/kmfiltermgr.cpp:367
#6  0x00007f41077e3ba5 in KMail::AccountManager::processNextCheck
(this=0x1ab54f0, _newMail=<value optimized out>) at
../../kmail/accountmanager.cpp:175
#7  0x00007f41077e4a43 in KMail::AccountManager::qt_metacall (this=0x1ab54f0,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff6ca59d10)
at ./accountmanager.moc:102
#8  0x00007f4106281e3f in QMetaObject::activate (sender=0x19f4e90, m=<value
optimized out>, local_signal_index=<value optimized out>, argv=0x2) at
kernel/qobject.cpp:3293
#9  0x00007f4107761f4d in KMAccount::finishedCheck (this=0x0, _t1=false,
_t2=KMAccount::CheckOK) at ./kmaccount.moc:174
#10 0x00007f4107762531 in KMAccount::checkDone (this=0x19f4e90, newmail=false,
status=KMAccount::CheckOK) at ../../kmail/kmaccount.cpp:513
#11 0x00007f410785bb8a in KMAcctImap::killAllJobs (this=0x19f4e90,
disconnectSlave=<value optimized out>) at ../../kmail/kmacctimap.cpp:204
#12 0x00007f410785be98 in ~KMAcctImap (this=0x0, __in_chrg=<value optimized
out>) at ../../kmail/kmacctimap.cpp:86
#13 0x00007f41077e30be in qDeleteAll<QList<KMAccount*>::const_iterator>
(this=0x1ab54f0, __in_chrg=<value optimized out>) at
/usr/include/qt4/QtCore/qalgorithms.h:322
#14 qDeleteAll<AccountList> (this=0x1ab54f0, __in_chrg=<value optimized out>)
at /usr/include/qt4/QtCore/qalgorithms.h:330
#15 ~AccountManager (this=0x1ab54f0, __in_chrg=<value optimized out>) at
../../kmail/accountmanager.cpp:39
#16 0x00007f41078b8a0f in KMKernel::cleanup (this=0x7fff6ca5a060) at
../../kmail/kmkernel.cpp:1805
#17 0x000000000040348d in main (argc=<value optimized out>, argv=<value
optimized out>) at ../../kmail/main.cpp:158

This bug may be a duplicate of or related to bug 195894.

Possible duplicates by query: bug 248225, bug 247354, bug 244286, bug 243728,
bug 238754.

Reported using DrKonqi

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