.
Thread 1 (Thread 0xb74ec6c0 (LWP 27306)):
#0  0xb76e6424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb751baff in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = <optimized out>
        resultvar = <optimized out>
        pid = -1217806336
        selftid = 27306
#2  0xb751f083 in __GI_abort () at abort.c:90
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {3213117756, 3059296455, 3061907456, 3213117804, 3213117948, 3059325485, 3061908472, 10, 0, 0, 3061907456, 3213117864, 156892028, 3075603966, 3060841049, 502, 3213117848, 3061908456, 3213117856, 11, 3059325419, 3061907456, 3, 3213117948, 0, 3059325742, 3213117948, 0, 10, 3059259484, 3213117948, 0}}, sa_flags = -1233058840, sa_restorer = 0xb6810000}
        sigs = {__val = {32, 0 <repeats 31 times>}}
#3  0xb6589993 in qt_message_output(QtMsgType, char const*) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
No symbol table info available.
#4  0xb6589d47 in ?? () from /usr/lib/i386-linux-gnu/libQtCore.so.4
No symbol table info available.
#5  0xb658a278 in qFatal(char const*, ...) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
No symbol table info available.
#6  0xb6ebf803 in TrustedError () from /usr/lib/virtualbox/VirtualBox.so
No symbol table info available.
#7  0x08049848 in ?? ()
No symbol table info available.
#8  0x0804987d in ?? ()
No symbol table info available.
#9  0x08049e1a in ?? ()
No symbol table info available.
#10 0x08048de1 in ?? ()
No symbol table info available.
#11 0xb7506905 in __libc_start_main (main=0x8048d60, argc=6, ubp_av=0xbf8450a4, init=0x804bb30, fini=0x804bba0, rtld_fini=0xb76f65f0 <_dl_fini>, stack_end=0xbf84509c) at libc-start.c:260
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1217806336, 0, 0, 0, 598315727, -1948764450}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x6, 0x8048df4}, data = {prev = 0x0, cleanup = 0x0, canceltype = 6}}}
        not_first_call = <optimized out>
#12 0x08048e15 in ?? ()
No symbol table info available.