.
Thread 3 (Thread 2914):
#0  0xb7744424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6f48f76 in __poll (fds=0x8f425e0, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <value optimized out>
        oldtype = -516
        result = <value optimized out>
#2  0xb71f884b in g_poll (fds=0x8f425e0, nfds=3, timeout=-1) at /build/buildd/glib2.0-2.28.6/./glib/gpoll.c:132
No locals.
#3  0xb71e81af in g_main_context_poll (context=0x8f409e0, block=-1222670304, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3404
        poll_func = 0xb71f8820 <g_poll>
#4  g_main_context_iterate (context=0x8f409e0, block=-1222670304, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3086
        max_priority = 2147483647
        timeout = -1
        some_ready = <value optimized out>
        nfds = 3
        allocated_nfds = <value optimized out>
        fds = 0x8f425e0
#5  0xb71e892b in g_main_loop_run (loop=0x8f409d0) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3299
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0xb73f8304 in gdbus_shared_thread_func (data=0x0) at /build/buildd/glib2.0-2.28.6/./gio/gdbusprivate.c:276
No locals.
#7  0xb72112df in g_thread_create_proxy (data=0x8f40a70) at /build/buildd/glib2.0-2.28.6/./glib/gthread.c:1897
        thread = 0x8f40a70
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0xb711fe99 in start_thread (arg=0xb6bf1b70) at pthread_create.c:304
        pd = 0xb6bf1b70
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1223491596, 0, 4001536, -1228991496, -1821577995, -826925322}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
        pagesize_m1 = <value optimized out>
        sp = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0xb6f5773e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 2 (Thread 2988):
#0  0xb7744424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6f48f76 in __poll (fds=0x96e96c8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <value optimized out>
        oldtype = -516
        result = <value optimized out>
#2  0xb71f884b in g_poll (fds=0x96e96c8, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.28.6/./glib/gpoll.c:132
No locals.
#3  0xb71e81af in g_main_context_poll (context=0x96e76d0, block=-1222670304, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3404
        poll_func = 0xb71f8820 <g_poll>
#4  g_main_context_iterate (context=0x96e76d0, block=-1222670304, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3086
        max_priority = 2147483647
        timeout = -1
        some_ready = <value optimized out>
        nfds = 1
        allocated_nfds = <value optimized out>
        fds = 0x96e96c8
#5  0xb71e892b in g_main_loop_run (loop=0x96e8968) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3299
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0xb23abe8a in dconf_context_thread (data=0x96e76d0) at dconfcontext.c:11
        context = 0x96e76d0
        loop = <value optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#7  0xb72112df in g_thread_create_proxy (data=0x96e76a8) at /build/buildd/glib2.0-2.28.6/./glib/gthread.c:1897
        thread = 0x96e76a8
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0xb711fe99 in start_thread (arg=0xb0e86b70) at pthread_create.c:304
        pd = 0xb0e86b70
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1223491596, 0, 4001536, -1326947336, 1032645881, -826925322}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
        pagesize_m1 = <value optimized out>
        sp = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0xb6f5773e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 1 (Thread 2910):
#0  0xb5c516ef in ?? () from /usr/lib/fglrx/dri/fglrx_dri.so
No symbol table info available.
Cannot access memory at address 0x20de