.
Thread 8 (Thread 0x7f807638a700 (LWP 1993)):
#0  0x00007f808269112d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f8082bb7db4 in g_main_context_poll (priority=2147483647, n_fds=4, fds=0x7f8070004300, timeout=-1, context=0x6ea5a0) at /build/buildd/glib2.0-2.42.2/./glib/gmain.c:4076
        poll_func = 0x7f8082bc6910 <g_poll>
#2  g_main_context_iterate (context=0x6ea5a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.42.2/./glib/gmain.c:3776
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 4
        allocated_nfds = 4
        fds = 0x7f8070004300
#3  0x00007f8082bb80da in g_main_loop_run (loop=0x6ea530) at /build/buildd/glib2.0-2.42.2/./glib/gmain.c:3975
        __FUNCTION__ = "g_main_loop_run"
#4  0x00007f80831a3e96 in gdbus_shared_thread_func (user_data=0x6ea570) at /build/buildd/glib2.0-2.42.2/./gio/gdbusprivate.c:273
        data = 0x6ea570
#5  0x00007f8082bdcd55 in g_thread_proxy (data=0x68f940) at /build/buildd/glib2.0-2.42.2/./glib/gthread.c:764
        thread = 0x68f940
#6  0x00007f80811f0182 in start_thread (arg=0x7f807638a700) at pthread_create.c:312
        __res = <optimized out>
        pd = 0x7f807638a700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140189715965696, 4071172320343756491, 0, 0, 140189715966400, 140189715965696, -4071436758229840181, -4071615141984858421}, 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"
#7  0x00007f808269e47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 7 (Thread 0x7f804ec7f700 (LWP 2006)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f8082bf9d3b in g_cond_wait_until (cond=cond@entry=0xec0cf8, mutex=mutex@entry=0xec0cf0, end_time=end_time@entry=78699080) at /build/buildd/glib2.0-2.42.2/./glib/gthread-posix.c:1443
        now = {tv_sec = 78, tv_nsec = 199093896}
        span = {tv_sec = 0, tv_nsec = 499986104}
        sampled = 4
        res = <optimized out>
#2  0x00007f8082b8df31 in g_async_queue_pop_intern_unlocked (queue=0xec0cf0, wait=wait@entry=1, end_time=78699080) at /build/buildd/glib2.0-2.42.2/./glib/gasyncqueue.c:422
        retval = <optimized out>
        __FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007f8082b8e4f8 in g_async_queue_timeout_pop_unlocked (queue=<optimized out>, timeout=timeout@entry=500000) at /build/buildd/glib2.0-2.42.2/./glib/gasyncqueue.c:570
        end_time = <optimized out>
#4  0x00007f8082bdd6b2 in g_thread_pool_wait_for_new_task (pool=0xec1370) at /build/buildd/glib2.0-2.42.2/./glib/gthreadpool.c:262
        task = <optimized out>
#5  g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.42.2/./glib/gthreadpool.c:296
        task = 0xf76c60
        pool = 0xec1370
#6  0x00007f8082bdcd55 in g_thread_proxy (data=0xeabd40) at /build/buildd/glib2.0-2.42.2/./glib/gthread.c:764
        thread = 0xeabd40
#7  0x00007f80811f0182 in start_thread (arg=0x7f804ec7f700) at pthread_create.c:312
        __res = <optimized out>
        pd = 0x7f804ec7f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140189054269184, 4071172320343756491, 0, 0, 140189054269888, 140189054269184, -4071491385382007093, -4071615141984858421}, 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  0x00007f808269e47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 6 (Thread 0x7f8084cff9c0 (LWP 1990)):
#0  0x00007f805b3794f0 in _fini () from /tmp/apport_sandbox_G9cqRS/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
No symbol table info available.
#1  0x00007f8084b2d758 in _dl_fini () at dl-fini.c:257
        nmaps = 206
        nloaded = <optimized out>
        i = 81
        l = 0xc0afa0
        ns = 0
        maps = 0x7fff27e23940
        maps_size = 1648
        do_audit = 0
        __PRETTY_FUNCTION__ = "_dl_fini"
#2  0x00007f80825e0259 in __run_exit_handlers (status=0, listp=0x7f80829626c8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
        atfct = <optimized out>
        onfct = <optimized out>
        cxafct = <optimized out>
        f = <optimized out>
#3  0x00007f80825e02a5 in __GI_exit (status=<optimized out>) at exit.c:104
No locals.
#4  0x00007f80825c5ecc in __libc_start_main (main=0x406b40 <main>, argc=1, argv=0x7fff27e24148, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff27e24138) at libc-start.c:321
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 4071172320343756491, 4221772, 140733862527296, 0, 0, -4070697283889525045, -4071622264355549493}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x40cdf0 <__libc_csu_init>, 0x7fff27e24148}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4247024}}}
        not_first_call = <optimized out>
#5  0x0000000000406b75 in _start ()
No symbol table info available.
.
Thread 5 (Thread 0x7f804f480700 (LWP 2005)):
#0  0x00007f808269112d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f8082bb7db4 in g_main_context_poll (priority=2147483647, n_fds=2, fds=0x7f80440008c0, timeout=-1, context=0xf1a000) at /build/buildd/glib2.0-2.42.2/./glib/gmain.c:4076
        poll_func = 0x7f8082bc6910 <g_poll>
#2  g_main_context_iterate (context=context@entry=0xf1a000, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.42.2/./glib/gmain.c:3776
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x7f80440008c0
#3  0x00007f8082bb7ebc in g_main_context_iteration (context=0xf1a000, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.42.2/./glib/gmain.c:3842
        retval = <optimized out>
#4  0x00007f8082bb7ef9 in glib_worker_main (data=<optimized out>) at /build/buildd/glib2.0-2.42.2/./glib/gmain.c:5589
No locals.
#5  0x00007f8082bdcd55 in g_thread_proxy (data=0xeabd90) at /build/buildd/glib2.0-2.42.2/./glib/gthread.c:764
        thread = 0xeabd90
#6  0x00007f80811f0182 in start_thread (arg=0x7f804f480700) at pthread_create.c:312
        __res = <optimized out>
        pd = 0x7f804f480700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140189062661888, 4071172320343756491, 0, 0, 140189062662592, 140189062661888, -4071488086310252853, -4071615141984858421}, 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"
#7  0x00007f808269e47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 4 (Thread 0x7f8064a95700 (LWP 2002)):
#0  0x00007f808269112d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f8082bb7db4 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f80600010c0, timeout=-1, context=0xbe04f0) at /build/buildd/glib2.0-2.42.2/./glib/gmain.c:4076
        poll_func = 0x7f8082bc6910 <g_poll>
#2  g_main_context_iterate (context=context@entry=0xbe04f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.42.2/./glib/gmain.c:3776
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7f80600010c0
#3  0x00007f8082bb7ebc in g_main_context_iteration (context=context@entry=0xbe04f0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.42.2/./glib/gmain.c:3842
        retval = <optimized out>
#4  0x00007f8064a9d1ad in dconf_gdbus_worker_thread (user_data=0xbe04f0) at dconf-gdbus-thread.c:82
        context = 0xbe04f0
#5  0x00007f8082bdcd55 in g_thread_proxy (data=0x834a80) at /build/buildd/glib2.0-2.42.2/./glib/gthread.c:764
        thread = 0x834a80
#6  0x00007f80811f0182 in start_thread (arg=0x7f8064a95700) at pthread_create.c:312
        __res = <optimized out>
        pd = 0x7f8064a95700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140189421360896, 4071172320343756491, 0, 0, 140189421361600, 140189421360896, -4071398144863236405, -4071615141984858421}, 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"
#7  0x00007f808269e47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 3 (Thread 0x7f806ccfa700 (LWP 2000)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f806df37d33 in cnd_wait (mtx=0x97b4f8, cond=<optimized out>) at ../../../../../../include/c11/threads_posix.h:154
No locals.
#2  pipe_semaphore_wait (sema=0x97b4f8) at ../../../../../../src/gallium/auxiliary/os/os_thread.h:248
No locals.
#3  thread_function (init_data=init_data@entry=0x97b458) at ../../../../../../src/gallium/drivers/llvmpipe/lp_rast.c:819
        task = 0x97b458
        rast = 0x97b2e0
        fpstate = <optimized out>
#4  0x00007f806df36e37 in impl_thrd_routine (p=<optimized out>) at ../../../../../../include/c11/threads_posix.h:87
        pack = {func = 0x7f806df37cc0 <thread_function>, arg = 0x97b458}
#5  0x00007f80811f0182 in start_thread (arg=0x7f806ccfa700) at pthread_create.c:312
        __res = <optimized out>
        pd = 0x7f806ccfa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140189558089472, 4071172320343756491, 0, 0, 140189558090176, 140189558089472, -4071416546113745205, -4071615141984858421}, 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  0x00007f808269e47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 2 (Thread 0x7f806d4fb700 (LWP 1999)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f806df37d33 in cnd_wait (mtx=0x97b398, cond=<optimized out>) at ../../../../../../include/c11/threads_posix.h:154
No locals.
#2  pipe_semaphore_wait (sema=0x97b398) at ../../../../../../src/gallium/auxiliary/os/os_thread.h:248
No locals.
#3  thread_function (init_data=init_data@entry=0x97b2f8) at ../../../../../../src/gallium/drivers/llvmpipe/lp_rast.c:819
        task = 0x97b2f8
        rast = 0x97b2e0
        fpstate = <optimized out>
#4  0x00007f806df36e37 in impl_thrd_routine (p=<optimized out>) at ../../../../../../include/c11/threads_posix.h:87
        pack = {func = 0x7f806df37cc0 <thread_function>, arg = 0x97b2f8}
#5  0x00007f80811f0182 in start_thread (arg=0x7f806d4fb700) at pthread_create.c:312
        __res = <optimized out>
        pd = 0x7f806d4fb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140189566482176, 4071172320343756491, 0, 0, 140189566482880, 140189566482176, -4071413249189474613, -4071615141984858421}, 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  0x00007f808269e47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 1 (Thread 0x7f806e2cc700 (LWP 1997)):
#0  __GI___pthread_mutex_lock (mutex=0x0) at ../nptl/pthread_mutex_lock.c:66
        __PRETTY_FUNCTION__ = "__pthread_mutex_lock"
        type = 2166301712
#1  0x00007f806f7200d4 in stubSyncThreadProc (ThreadSelf=0x96ced0, pvUser=<optimized out>) at /build/buildd/virtualbox-4.3.10-dfsg/src/VBox/Additions/common/crOpenGL/load.c:898
No locals.
#2  0x00007f806f74172c in rtThreadMain (pThread=0x96ced0, NativeThread=<optimized out>, pszThreadName=<optimized out>) at /build/buildd/virtualbox-4.3.10-dfsg/src/VBox/Runtime/common/misc/thread.cpp:712
        rc = <optimized out>
#3  0x00007f806f745bbc in rtThreadNativeMain (pvArgs=0x96ced0) at /build/buildd/virtualbox-4.3.10-dfsg/src/VBox/Runtime/r3/posix/thread-posix.cpp:324
        pThread = 0x96ced0
        Self = 140189580969728
        rc = <optimized out>
        __PRETTY_FUNCTION__ = "void* rtThreadNativeMain(void*)"
#4  0x00007f80811f0182 in start_thread (arg=0x7f806e2cc700) at pthread_create.c:312
        __res = <optimized out>
        pd = 0x7f806e2cc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140189580969728, 4071172320343756491, 0, 0, 140189580970432, 140189580969728, -4071418995318845749, -4071615141984858421}, 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"
#5  0x00007f808269e47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.