#0  0x00214416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x003b1c8f in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = <optimized out>
        resultvar = <optimized out>
        pid = 5226484
        selftid = 2487
#2  0x003b52b5 in __GI_abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x48e8bd <__GI__dl_addr+189>, sa_sigaction = 0x48e8bd <__GI__dl_addr+189>}, sa_mask = {__val = {10163428, 134516428, 67, 134525265, 10164504, 0, 67, 3219890984, 2, 26, 4513308, 4, 0, 5226484, 28, 3219892440, 2, 4636794, 2, 3219890984, 4, 0, 3219894444, 3, 3219894456, 6, 3219891088, 3219891080, 4, 4976685, 4976689, 3788832}}, sa_flags = 3, sa_restorer = 0x39d113 <__libc_start_main+243>}
        sigs = {__val = {32, 0 <repeats 31 times>}}
#3  0x003e7dfc in __libc_message (do_abort=2, fmt=0x4c1080 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
        ap = 0x95400468 "*** glibc detected *** unity-2d-panel: malloc(): smallbin double linked list corrupted: 0x08313b28 ***\n"
        ap_copy = 0x95400468 "*** glibc detected *** unity-2d-panel: malloc(): smallbin double linked list corrupted: 0x08313b28 ***\n"
        fd = 2
        on_2 = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#4  0x003f2bc2 in malloc_printerr (action=<optimized out>, str=<optimized out>, ptr=0x8313b28) at malloc.c:6283
        buf = "08313b28"
        cp = <optimized out>
#5  0x003f4cf3 in _int_malloc (av=0x4fd400, bytes=126) at malloc.c:4308
        p = <optimized out>
        fb = <optimized out>
        nb = 136
        idx = <optimized out>
        bin = <optimized out>
        victim = <optimized out>
        size = <optimized out>
        victim_index = <optimized out>
        remainder = <optimized out>
        remainder_size = <optimized out>
        block = <optimized out>
        bit = <optimized out>
        map = <optimized out>
        fwd = <optimized out>
        bck = <optimized out>
        errstr = <optimized out>
        __func__ = "_int_malloc"
#6  0x003f6498 in __GI___libc_malloc (bytes=126) at malloc.c:3660
        ar_ptr = 0x4fd400
        victim = <optimized out>
        hook = <optimized out>
        __func__ = "__libc_malloc"
#7  0x0069ad9b in qMalloc (size=126) at global/qmalloc.cpp:55
No locals.
#8  0x006ea497 in fromLatin1_helper (size=53, str=<optimized out>) at tools/qstring.cpp:3748
        dst = <optimized out>
        d = <optimized out>
#9  QString::fromLatin1_helper (str=0x85ccc4 "QCoreApplication::postEvent: Unexpected null receiver", size=53) at tools/qstring.cpp:3736
No locals.
#10 0x006ea56e in QString::fromLatin1 (str=0x85ccc4 "QCoreApplication::postEvent: Unexpected null receiver", size=53) at tools/qstring.cpp:3822
No locals.
#11 0x006f062c in QString::vsprintf (this=0xbfebac08, cformat=0x85ccc4 "QCoreApplication::postEvent: Unexpected null receiver", ap=0xbfebac54 "\364\177/") at tools/qstring.cpp:5155
        i = 0
        subst = {static null = {<No data fields>}, static shared_null = {ref = {_q_value = 1}, alloc = 0, size = 0, data = 0x8053272, clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, reserved = 0, array = {0}}, static shared_empty = {ref = {_q_value = 4}, alloc = 0, size = 0, data = 0x8d5fbe, clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, reserved = 0, array = {0}}, d = 0xbfebace8, static codecForCStrings = 0x0}
        width = -1075074116
        precision = 136921680
        length_mod = 2487
        locale = {static staticMetaObject = {d = {superdata = 0x0, stringdata = 0x86d4c0 "QLocale", data = 0x86e660, extradata = 0x0}}, {v = 0x0, p = {index = 0, numberOptions = 0}}}
        result = {static null = {<No data fields>}, static shared_null = {ref = {_q_value = 1}, alloc = 0, size = 0, data = 0x8053272, clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, reserved = 0, array = {0}}, static shared_empty = {ref = {_q_value = 4}, alloc = 0, size = 0, data = 0x8d5fbe, clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, reserved = 0, array = {0}}, d = 0x8053260, static codecForCStrings = 0x0}
#12 0x006977f1 in qt_message (msgType=QtWarningMsg, msg=0x85ccc4 "QCoreApplication::postEvent: Unexpected null receiver", ap=0xbfebac54 "\364\177/") at global/qglobal.cpp:2343
        buf = {static shared_null = {ref = {_q_value = 285}, alloc = 0, size = 0, data = 0x8d5ef8 "", array = ""}, static shared_empty = {ref = {_q_value = 3}, alloc = 0, size = 0, data = 0x8d5ee4 "", array = ""}, d = 0x8d5ee8}
#13 0x00697e38 in qWarning (msg=0x85ccc4 "QCoreApplication::postEvent: Unexpected null receiver") at global/qglobal.cpp:2434
        ap = 0xbfebac54 "\364\177/"
#14 0x007a05e7 in QCoreApplication::postEvent (receiver=0x0, event=0x827b7e8, priority=0) at kernel/qcoreapplication.cpp:1126
        pdata = <optimized out>
        data = <optimized out>
        locker = <optimized out>
        eventDeleter = <optimized out>
#15 0x007a07eb in QCoreApplication::postEvent (receiver=0x0, event=0x827b7e8) at kernel/qcoreapplication.cpp:1093
No locals.
#16 0x007aec54 in QObject::deleteLater (this=0x0) at kernel/qobject.cpp:2129
No locals.
#17 0x0211b9ff in SystemTray::FdoTask::~FdoTask (this=0x84c4370, __in_chrg=<optimized out>) at /build/buildd/unity-2d-4.6.1/panel/applets/legacytray/fdotask.cpp:53
No locals.
#18 0x0211ba72 in SystemTray::FdoTask::~FdoTask (this=0x84c4370, __in_chrg=<optimized out>) at /build/buildd/unity-2d-4.6.1/panel/applets/legacytray/fdotask.cpp:54
No locals.
#19 0x007b07f1 in QObjectPrivate::deleteChildren (this=0x829f0b8) at kernel/qobject.cpp:1955
        i = <optimized out>
        reallyWasDeleted = false
#20 0x00b5d4de in QWidget::~QWidget (this=0x829e5f8, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1631
No locals.
#21 0x02119116 in SystemTray::FdoSelectionManager::~FdoSelectionManager (this=0x829e5f8, __in_chrg=<optimized out>) at /build/buildd/unity-2d-4.6.1/panel/applets/legacytray/fdoselectionmanager.cpp:167
No locals.
#22 0x021191e2 in SystemTray::FdoSelectionManager::~FdoSelectionManager (this=0x829e5f8, __in_chrg=<optimized out>) at /build/buildd/unity-2d-4.6.1/panel/applets/legacytray/fdoselectionmanager.cpp:180
No locals.
#23 0x02117f06 in LegacyTrayApplet::~LegacyTrayApplet (this=0x829e958, __in_chrg=<optimized out>) at /build/buildd/unity-2d-4.6.1/panel/applets/legacytray/legacytrayapplet.cpp:61
No locals.
#24 0x02117fc2 in LegacyTrayApplet::~LegacyTrayApplet (this=0x829e958, __in_chrg=<optimized out>) at /build/buildd/unity-2d-4.6.1/panel/applets/legacytray/legacytrayapplet.cpp:63
No locals.
#25 0x007b07f1 in QObjectPrivate::deleteChildren (this=0x8280c30) at kernel/qobject.cpp:1955
        i = <optimized out>
        reallyWasDeleted = false
#26 0x00b5d4de in QWidget::~QWidget (this=0x8280520, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1631
No locals.
#27 0x00166a1c in Unity2dPanel::~Unity2dPanel (this=0x8280520, __in_chrg=<optimized out>) at /build/buildd/unity-2d-4.6.1/libunity-2d-private/src/unity2dpanel.cpp:174
No locals.
#28 0x00166ac2 in Unity2dPanel::~Unity2dPanel (this=0x8280520, __in_chrg=<optimized out>) at /build/buildd/unity-2d-4.6.1/libunity-2d-private/src/unity2dpanel.cpp:180
No locals.
#29 0x0804ba46 in qDeleteAll<QList<Unity2dPanel*>::const_iterator> (end=<optimized out>, begin=<optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:322
No locals.
#30 qDeleteAll<QList<Unity2dPanel*> > (c=...) at /usr/include/qt4/QtCore/qalgorithms.h:330
No locals.
#31 PanelManager::~PanelManager (this=0xbfebaff0, __in_chrg=<optimized out>) at /build/buildd/unity-2d-4.6.1/panel/app/panelmanager.cpp:131
No locals.
#32 0x0804b067 in main (argc=1, argv=0xbfebb0e4) at /build/buildd/unity-2d-4.6.1/panel/app/main.cpp:68
        handler = {<QAbstractFileEngineHandler> = {_vptr.QAbstractFileEngineHandler = 0x804fc08}, <No data fields>}
        app = {<QApplication> = {<QCoreApplication> = {<QObject> = {_vptr.QObject = 0x1fe1a8, static staticMetaObject = {d = {superdata = 0x0, stringdata = 0x85e5a0 "QObject", data = 0x85e640, extradata = 0x8ce3a0}}, d_ptr = {d = 0x81fcab0}, static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0x867180 "Qt", data = 0x86aa00, extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x80531f0, stringdata = 0x8709a0 "QCoreApplication", data = 0x870a40, extradata = 0x0}}, static self = 0xbfebb008}, static staticMetaObject = {d = {superdata = 0x8d34e0, stringdata = 0x1227e00 "QApplication", data = 0x1228040, extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x144b6d0, stringdata = 0x1d0ea0 "Unity2dApplication", data = 0x1d0ec0, extradata = 0x0}}, m_x11EventFilters = {{p = {static shared_null = {ref = {_q_value = 1}, alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}}, d = 0x829e0f8}, d = 0x829e0f8}}, m_platformFontTracker = 0x8273990}
        client = {<QObject> = {_vptr.QObject = 0x1fdec8, static staticMetaObject = {d = {superdata = 0x0, stringdata = 0x85e5a0 "QObject", data = 0x85e640, extradata = 0x8ce3a0}}, d_ptr = {d = 0x8261b30}, static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0x867180 "Qt", data = 0x86aa00, extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x80531f0, stringdata = 0x1d03c0 "GnomeSessionClient", data = 0x1d05e0, extradata = 0x0}}, d = 0x8261b88}
        panels = {<QObject> = {_vptr.QObject = 0x8050188, static staticMetaObject = {d = {superdata = 0x0, stringdata = 0x85e5a0 "QObject", data = 0x85e640, extradata = 0x8ce3a0}}, d_ptr = {d = 0x827d5a0}, static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0x867180 "Qt", data = 0x86aa00, extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x80531f0, stringdata = 0x80500c0 "PanelManager", data = 0x8050100, extradata = 0x0}}, m_panels = {{p = {static shared_null = {ref = {_q_value = 1}, alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}}, d = 0x828b058}, d = 0x828b058}}, m_conf = <incomplete type>}