Comment 6 for bug 1328485

My first try with apport-unpack + gdb after another crash:

--
#0 __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:44
#1 0xb62f00fe in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#2 0xb62f2956 in __GI_abort () at abort.c:89
#3 0xb6316de0 in __libc_message (do_abort=<optimized out>, fmt=0xb63982b8 "*** Error in `%s': %s: 0x%s ***\n")
    at ../sysdeps/posix/libc_fatal.c:175
#4 0xb631d98e in malloc_printerr (action=1, str=0xb63984bc "free(): invalid pointer", ptr=<optimized out>) at malloc.c:4996
#5 0xb631e3b4 in _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3840
#6 0xb666b242 in QObjectPrivate::Connection::~Connection (this=0xa12c3fa0, __in_chrg=<optimized out>) at kernel/qobject.cpp:1041
#7 0xb6670e80 in deref (this=<optimized out>) at kernel/qobject_p.h:157
#8 QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:964
#9 0xb6168c64 in QHttpThreadDelegate::~QHttpThreadDelegate (this=0x97f9b688, __in_chrg=<optimized out>)
    at access/qhttpthreaddelegate.cpp:223
#10 0xb6168d5c in QHttpThreadDelegate::~QHttpThreadDelegate (this=0x97f9b688, __in_chrg=<optimized out>)
    at access/qhttpthreaddelegate.cpp:223
#11 0xb666d046 in QObject::event (this=0x97f9b688, e=<optimized out>) at kernel/qobject.cpp:1232
#12 0xb664cf92 in QCoreApplication::notify (this=<optimized out>, receiver=<optimized out>, event=<optimized out>)
    at kernel/qcoreapplication.cpp:997
#13 0xb664cd88 in QCoreApplication::notifyInternal (this=0xae900d28, receiver=receiver@entry=0x97f9b688, event=event@entry=
    0xab457320) at kernel/qcoreapplication.cpp:935
#14 0xb664e8ae in sendEvent (event=0xab457320, receiver=0x97f9b688) at kernel/qcoreapplication.h:237
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xa12104b0)
    at kernel/qcoreapplication.cpp:1539
#16 0xb664ec46 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0)
    at kernel/qcoreapplication.cpp:1397
#17 0xb6686ea8 in postEventSourceDispatch (s=0xab401610) at kernel/qeventdispatcher_glib.cpp:279
#18 0xb5df439a in g_main_context_dispatch () from /lib/arm-linux-gnueabihf/libglib-2.0.so.0
#19 0xb5df4522 in ?? () from /lib/arm-linux-gnueabihf/libglib-2.0.so.0

.crash file at http://people.canonical.com/~tjyrinki/qt53/crashes/_usr_bin_unity8.32011.crash