#0  0x00007f37f74c8150 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
No symbol table info available.
#1  0x00007f37f7514402 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
No symbol table info available.
#2  0x00007f37f760bed6 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
No symbol table info available.
#3  0x00007f37f7389620 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
No symbol table info available.
#4  0x00007f37f8c074dc in crStateApplyFBImage () from /usr/lib/virtualbox/VBoxSharedCrOpenGL.so
No symbol table info available.
#5  0x00007f37f8bcd285 in ?? () from /usr/lib/virtualbox/VBoxSharedCrOpenGL.so
No symbol table info available.
#6  0x00007f37f8bd0bad in ?? () from /usr/lib/virtualbox/VBoxSharedCrOpenGL.so
No symbol table info available.
#7  0x00007f37f8bc9aa3 in ?? () from /usr/lib/virtualbox/VBoxSharedCrOpenGL.so
No symbol table info available.
#8  0x00007f37fba665a8 in ?? () from /usr/lib/virtualbox/components/VBoxC.so
No symbol table info available.
#9  0x00007f37fba64eb2 in ?? () from /usr/lib/virtualbox/components/VBoxC.so
No symbol table info available.
#10 0x00007f38393ba0dc in ?? () from /usr/lib/virtualbox/VBoxRT.so
No symbol table info available.
#11 0x00007f3839431e6c in ?? () from /usr/lib/virtualbox/VBoxRT.so
No symbol table info available.
#12 0x00007f3839ccc0a5 in start_thread (arg=0x7f37f9af7700) at pthread_create.c:309
        __res = <optimized out>
        pd = 0x7f37f9af7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139878388954880, 5694356576298315826, 0, 0, 139878388955584, 139878388954880, -5662827398015766478, -5659308688789098446}, 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"
#13 0x00007f38397f584d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.