Application: kmail (1.13.6)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic i686
Distribution: Ubuntu 11.04

-- Information about the crash:
KMail sometimes crashes upon quitting. This seems to happen mostly when I shut it down relatively quicky after launching.

The crash can be reproduced some of the time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7706780 (LWP 1965))]

Thread 3 (Thread 0xb4786b70 (LWP 1968)):
#0  0x05478430 in g_thread_self () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0x0544c572 in g_main_context_acquire () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x0544ddde in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0544e92b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0276f304 in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#5  0x054772df in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0x030dfe99 in start_thread (arg=0xb4786b70) at pthread_create.c:304
#7  0x0147573e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xb2fceb70 (LWP 1970)):
#0  0x04485d41 in clock_gettime (clock_id=1, tp=0xb2fcdf90) at ../sysdeps/unix/clock_gettime.c:116
#1  0x007e2dd8 in do_gettime () at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x008af4f2 in updateCurrentTime (this=0x9da6884, tm=...) at kernel/qeventdispatcher_unix.cpp:339
#4  QTimerInfoList::timerWait (this=0x9da6884, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x008add32 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xb2fce06c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x008addcd in timerSourcePrepare (source=0x9da6850, timeout=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x0544cfd4 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x0544de63 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x0544e524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x008ae577 in QEventDispatcherGlib::processEvents (this=0x9cd3240, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x00880289 in QEventLoop::processEvents (this=0xb2fce220, flags=...) at kernel/qeventloop.cpp:149
#12 0x00880522 in QEventLoop::exec (this=0xb2fce220, flags=...) at kernel/qeventloop.cpp:201
#13 0x0078a2a0 in QThread::exec (this=0x9cb7a78) at thread/qthread.cpp:492
#14 0x00861fdb in QInotifyFileSystemWatcherEngine::run (this=0x9cb7a78) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x0078cda2 in QThreadPrivate::start (arg=0x9cb7a78) at thread/qthread_unix.cpp:320
#16 0x030dfe99 in start_thread (arg=0xb2fceb70) at pthread_create.c:304
#17 0x0147573e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb7706780 (LWP 1965)):
[KCrash Handler]
#7  KMFilterMgr::ref (this=0x0) at ../../kmail/kmfiltermgr.cpp:360
#8  0x00ec4bfd in KMail::AccountManager::processNextCheck (this=0x9995c98, _newMail=false) at ../../kmail/accountmanager.cpp:230
#9  0x00ec5590 in KMail::AccountManager::singleCheckMail (this=0x9995c98, account=0x99b4690, interactive=true) at ../../kmail/accountmanager.cpp:157
#10 0x00f255df in KMail::ImapAccountBase::slotCheckQueuedFolders (this=0x99b4690) at ../../kmail/imapaccountbase.cpp:1158
#11 0x00f2c977 in KMail::ImapAccountBase::qt_metacall (this=0x99b4690, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xbfa1c8f4) at ./imapaccountbase.moc:134
#12 0x00f3332a in KMAcctImap::qt_metacall (this=0x99b4690, _c=QMetaObject::InvokeMetaMethod, _id=20, _a=0xbfa1c8f4) at ./kmacctimap.moc:83
#13 0x008876ba in QMetaObject::metacall (object=0x99b4690, cl=QMetaObject::InvokeMetaMethod, idx=20, argv=0xbfa1c8f4) at kernel/qmetaobject.cpp:237
#14 0x008974ff in QMetaObject::activate (sender=0x99b4690, m=0x13907a4, local_signal_index=0, argv=0xbfa1c8f4) at kernel/qobject.cpp:3287
#15 0x00e3ed5f in KMAccount::finishedCheck (this=0x99b4690, _t1=false, _t2=KMAccount::CheckOK) at ./kmaccount.moc:174
#16 0x00e41a13 in KMAccount::checkDone (this=0x99b4690, newmail=false, status=KMAccount::CheckOK) at ../../kmail/kmaccount.cpp:515
#17 0x00f33838 in KMAcctImap::killAllJobs (this=0x99b4690, disconnectSlave=false) at ../../kmail/kmacctimap.cpp:204
#18 0x00f48111 in KMFolderImap::~KMFolderImap (this=0x99a3348, __in_chrg=<value optimized out>) at ../../kmail/kmfolderimap.cpp:95
#19 0x00f48262 in KMFolderImap::~KMFolderImap (this=0x99a3348, __in_chrg=<value optimized out>) at ../../kmail/kmfolderimap.cpp:104
#20 0x00e854d2 in KMFolder::~KMFolder (this=0x999c7b0, __in_chrg=<value optimized out>) at ../../kmail/kmfolder.cpp:170
#21 0x00e857e2 in KMFolder::~KMFolder (this=0x999c7b0, __in_chrg=<value optimized out>) at ../../kmail/kmfolder.cpp:171
#22 0x00ecee66 in qDeleteAll<QList<KMFolderNode*>::iterator> (this=0x99a3190, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:322
#23 KMFolderDir::~KMFolderDir (this=0x99a3190, __in_chrg=<value optimized out>) at ../../kmail/kmfolderdir.cpp:91
#24 0x00eceee2 in KMFolderDir::~KMFolderDir (this=0x99a3190, __in_chrg=<value optimized out>) at ../../kmail/kmfolderdir.cpp:93
#25 0x00ecef8e in qDeleteAll<QList<KMFolderNode*>::iterator> (this=0x999a84c, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:322
#26 KMFolderRootDir::~KMFolderRootDir (this=0x999a84c, __in_chrg=<value optimized out>) at ../../kmail/kmfolderdir.cpp:37
#27 0x00ed1973 in KMFolderMgr::~KMFolderMgr (this=0x999a840, __in_chrg=<value optimized out>) at ../../kmail/kmfoldermgr.cpp:51
#28 0x00ed1a22 in KMFolderMgr::~KMFolderMgr (this=0x999a840, __in_chrg=<value optimized out>) at ../../kmail/kmfoldermgr.cpp:54
#29 0x00fa1bb7 in KMKernel::cleanup (this=0xbfa1cc54) at ../../kmail/kmkernel.cpp:1800
#30 0x0804a73d in main (argc=6740356, argv=0xb77292d0) at ../../kmail/main.cpp:160

Reported using DrKonqi