.
Thread 12 (Thread 0x7f5159a6f700 (LWP 6155)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f516458bd0a in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f516451b929 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f516456e506 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f516456db95 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f51731f666a in start_thread (arg=0x7f5159a6f700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5159a6f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139987373192960, 919549941808033482, 0, 140728101483823, 139987373193664, 139987278466976, -981689606507139382, -981780380331217206}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5172d27e4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 11 (Thread 0x7f5158199700 (LWP 6158)):
#0  0x00007f5172d1c83d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f5167c81d60 in ?? () from /usr/lib/virtualbox/VBoxXPCOM.so
No symbol table info available.
#2  0x00007f5167c83b00 in VBoxNsprPR_Poll () from /usr/lib/virtualbox/VBoxXPCOM.so
No symbol table info available.
#3  0x00007f51587e06bc in ?? () from /usr/lib/virtualbox/components/VBoxXPCOMIPCC.so
No symbol table info available.
#4  0x00007f5167c85a7e in ?? () from /usr/lib/virtualbox/VBoxXPCOM.so
No symbol table info available.
#5  0x00007f51728cebec in ?? () from /usr/lib/virtualbox/VBoxRT.so
No symbol table info available.
#6  0x00007f517294edfb in ?? () from /usr/lib/virtualbox/VBoxRT.so
No symbol table info available.
#7  0x00007f51731f666a in start_thread (arg=0x7f5158199700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5158199700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139987347150592, 919549941808033482, 0, 140728101456351, 139987347151296, 139987610261947, -981690161631662390, -981780380331217206}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007f5172d27e4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 10 (Thread 0x7f5140085700 (LWP 6163)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00007f5172951c65 in RTSemEventWait () from /usr/lib/virtualbox/VBoxRT.so
No symbol table info available.
#2  0x00007f517291ed90 in ?? () from /usr/lib/virtualbox/VBoxRT.so
No symbol table info available.
#3  0x00007f51728cebec in ?? () from /usr/lib/virtualbox/VBoxRT.so
No symbol table info available.
#4  0x00007f517294edfb in ?? () from /usr/lib/virtualbox/VBoxRT.so
No symbol table info available.
#5  0x00007f51731f666a in start_thread (arg=0x7f5140085700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5140085700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139986943366912, 919549941808033482, 0, 139987347011343, 139986943367616, 139987791244480, -981672721916956982, -981780380331217206}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5172d27e4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 9 (Thread 0x7f51421d8700 (LWP 6161)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00007f5167752394 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#2  0x00007f5168e297f4 in ?? () from /usr/lib/virtualbox/VirtualBox.so
No symbol table info available.
#3  0x00007f5168e299e0 in ?? () from /usr/lib/virtualbox/VirtualBox.so
No symbol table info available.
#4  0x00007f5167751e4c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#5  0x00007f51731f666a in start_thread (arg=0x7f51421d8700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f51421d8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139986978309888, 919549941808033482, 0, 140728101475519, 139986978310592, 22432424, -981677008831189302, -981780380331217206}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5172d27e4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 8 (Thread 0x7f51419d7700 (LWP 6162)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00007f5167752394 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#2  0x00007f5168e297f4 in ?? () from /usr/lib/virtualbox/VirtualBox.so
No symbol table info available.
#3  0x00007f5168e299e0 in ?? () from /usr/lib/virtualbox/VirtualBox.so
No symbol table info available.
#4  0x00007f5167751e4c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#5  0x00007f51731f666a in start_thread (arg=0x7f51419d7700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f51419d7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139986969917184, 919549941808033482, 0, 140728101475519, 139986969917888, 22484088, -981671511809921334, -981780380331217206}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5172d27e4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 7 (Thread 0x7f5158157700 (LWP 6160)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00007f5172951c65 in RTSemEventWait () from /usr/lib/virtualbox/VBoxRT.so
No symbol table info available.
#2  0x00007f5142f94bd7 in ?? () from /usr/lib/virtualbox/components/VBoxC.so
No symbol table info available.
#3  0x00007f51728cebec in ?? () from /usr/lib/virtualbox/VBoxRT.so
No symbol table info available.
#4  0x00007f517294edfb in ?? () from /usr/lib/virtualbox/VBoxRT.so
No symbol table info available.
#5  0x00007f51731f666a in start_thread (arg=0x7f5158157700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5158157700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139987346880256, 919549941808033482, 0, 140728101476143, 139987346880960, 139986992712608, -981690272227070262, -981780380331217206}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5172d27e4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 6 (Thread 0x7f515b015700 (LWP 6154)):
#0  0x00007f5172d1c83d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f516454733c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f51645476c2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f51614b3816 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f516456db95 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f51731f666a in start_thread (arg=0x7f515b015700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f515b015700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139987395892992, 919549941808033482, 0, 139987647630271, 139987395893696, 139987278469728, -981692573255799094, -981780380331217206}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5172d27e4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 5 (Thread 0x7f515926e700 (LWP 6156)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f516458bd0a in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f516451b929 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f516456e506 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f516456db95 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f51731f666a in start_thread (arg=0x7f515926e700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f515926e700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139987364800256, 919549941808033482, 0, 140728101485135, 139987364800960, 139987278466976, -981688505384898870, -981780380331217206}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5172d27e4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 4 (Thread 0x7f5158178700 (LWP 6159)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f5167c84c8b in VBoxNsprPR_WaitCondVar () from /usr/lib/virtualbox/VBoxXPCOM.so
No symbol table info available.
#2  0x00007f5167c84f1b in VBoxNsprPR_Wait () from /usr/lib/virtualbox/VBoxXPCOM.so
No symbol table info available.
#3  0x00007f51587ddacf in ?? () from /usr/lib/virtualbox/components/VBoxXPCOMIPCC.so
No symbol table info available.
#4  0x00007f5167c59a43 in ?? () from /usr/lib/virtualbox/VBoxXPCOM.so
No symbol table info available.
#5  0x00007f5167c85a7e in ?? () from /usr/lib/virtualbox/VBoxXPCOM.so
No symbol table info available.
#6  0x00007f51728cebec in ?? () from /usr/lib/virtualbox/VBoxRT.so
No symbol table info available.
#7  0x00007f517294edfb in ?? () from /usr/lib/virtualbox/VBoxRT.so
No symbol table info available.
#8  0x00007f51731f666a in start_thread (arg=0x7f5158178700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f5158178700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139987347015424, 919549941808033482, 0, 140728101457663, 139987347016128, 139987610261947, -981690288870068534, -981780380331217206}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x00007f5172d27e4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 3 (Thread 0x7f515bc26700 (LWP 6153)):
#0  0x00007f5172d1c83d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f516454733c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f516454744c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f5164547489 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f516456db95 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f51731f666a in start_thread (arg=0x7f515bc26700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f515bc26700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139987408545536, 919549941808033482, 0, 139987647629919, 139987408546240, 0, -981694247756173622, -981780380331217206}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5172d27e4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 2 (Thread 0x7f516a029700 (LWP 6152)):
#0  0x00007f5172d1c83d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f516454733c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f516454744c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f515beb828d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007f516456db95 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f51731f666a in start_thread (arg=0x7f516a029700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f516a029700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139987647633152, 919549941808033482, 0, 140728101481855, 8388608, 17673200, -981729975978496310, -981780380331217206}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f5172d27e4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 1 (Thread 0x7f517360b700 (LWP 6148)):
#0  0x00007f513310f0e0 in MenuBarAdapter::registerWindow() () from /usr/lib/x86_64-linux-gnu/qt4/plugins/menubar/libappmenu-qt.so
No symbol table info available.
#1  0x0000000001771268 in ?? ()
No symbol table info available.
#2  0x00007ffdd07fb210 in ?? ()
No symbol table info available.
#3  0x00007ffdd07fb1e0 in ?? ()
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.