Application: kmail (4.8 rc1)
KDE Platform Version: 4.7.95 (4.8 RC1 (4.7.95)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-15-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed: Kmail was not showing mails when I clicked on them. So I closed Kmail and started it again. Then the crash happened.

- Unusual behavior I noticed:

-- Backtrace:
Application: KMail (kmail), signal: Aborted
[Current thread is 1 (Thread 0x7ff4b79747a0 (LWP 15742))]

Thread 4 (Thread 0x7ff4b01f9700 (LWP 16857)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x0000003196786c2c in WTF::TCMalloc_PageHeap::scavengerThread (this=0x319713d220) at wtf/FastMalloc.cpp:2495
#2  0x0000003196786d59 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at wtf/FastMalloc.cpp:1618
#3  0x00000030c2407efc in start_thread (arg=0x7ff4b01f9700) at pthread_create.c:304
#4  0x00000030c1ce189d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7ff4af8f8700 (LWP 16858)):
#0  0x00000030c1cd5773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00000030c5044f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00000030c5045429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00000030ca597f3e in QEventDispatcherGlib::processEvents (this=0x26a8e90, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00000030ca56bcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00000030ca56bef7 in QEventLoop::exec (this=0x7ff4af8f7de0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00000030ca48327f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00000030ca485d05 in QThreadPrivate::start (arg=0x3186910) at thread/qthread_unix.cpp:331
#8  0x00000030c2407efc in start_thread (arg=0x7ff4af8f8700) at pthread_create.c:304
#9  0x00000030c1ce189d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7ff4adde1700 (LWP 19610)):
#0  0x00000030c1cd5773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00000030c5044f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00000030c5045429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00000030ca597f3e in QEventDispatcherGlib::processEvents (this=0x5974eb0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00000030ca56bcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00000030ca56bef7 in QEventLoop::exec (this=0x7ff4adde0db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00000030ca48327f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00000030ca54ecbf in QInotifyFileSystemWatcherEngine::run (this=0x5903510) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00000030ca485d05 in QThreadPrivate::start (arg=0x5903510) at thread/qthread_unix.cpp:331
#9  0x00000030c2407efc in start_thread (arg=0x7ff4adde1700) at pthread_create.c:304
#10 0x00000030c1ce189d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ff4b79747a0 (LWP 15742)):
[KCrash Handler]
#6  0x00000030c1c363a5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00000030c1c39b0b in __GI_abort () at abort.c:92
#8  0x00000030c1c6e113 in __libc_message (do_abort=2, fmt=0x30c1d5f0d8 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#9  0x00000030c1c78a96 in malloc_printerr (action=3, str=0x30c1d5f108 "munmap_chunk(): invalid pointer", ptr=<optimized out>) at malloc.c:6283
#10 0x00000034118f596d in qDeleteAll<QList<Node*>::const_iterator> (end=<optimized out>, begin=<optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:322
#11 qDeleteAll<QList<Node*> > (c=...) at /usr/include/qt4/QtCore/qalgorithms.h:330
#12 Akonadi::EntityTreeModel::~EntityTreeModel (this=0x1fc0bd0, __in_chrg=<optimized out>) at ../../akonadi/entitytreemodel.cpp:79
#13 0x00000034118f59f9 in Akonadi::EntityTreeModel::~EntityTreeModel (this=0x1fc0bd0, __in_chrg=<optimized out>) at ../../akonadi/entitytreemodel.cpp:83
#14 0x00000030ca57ed75 in QObjectPrivate::deleteChildren (this=0x1f99fb0) at kernel/qobject.cpp:1955
#15 0x00000030ca584349 in QObject::~QObject (this=0x7fff9fd0cb80, __in_chrg=<optimized out>) at kernel/qobject.cpp:946
#16 0x00007ff4b8c1e3ad in KMKernel::~KMKernel (this=0x7fff9fd0cb80, __in_chrg=<optimized out>) at ../../kmail/kmkernel.cpp:226
#17 0x0000000000402bee in main (argc=<optimized out>, argv=<optimized out>) at ../../kmail/main.cpp:128

This bug may be a duplicate of or related to bug 280630.

Possible duplicates by query: bug 290410, bug 290055, bug 289967, bug 289927, bug 289693.

Reported using DrKonqi