Comment 2 for bug 91075

Debug backtrace for the crash:

#0 0xb7eccf6a in run_vm86 () at lrmi.c:526
No locals.
#1 0xb7ecd63b in LRMI_int (i=16, r=0xbf859c7c) at lrmi.c:844
        seg = 49152
        off = 4106
#2 0x0804908c in do_vbe_service (AX=3, BX=0, regs=0xbf859c7c) at vbetool.c:158
No locals.
#3 0x08049485 in do_set_mode (mode=3, vga=1) at vbetool.c:373
        regs = {edi = 0, esi = 0, ebp = 0, reserved = 0, ebx = 0, edx = 0,
  ecx = 0, eax = 3, flags = 0, es = 0, ds = 64, fs = 0, gs = 0, ip = 0,
  cs = 0, sp = 0, ss = 0}
        error = <value optimized out>
#4 0x08049765 in restore_state_from (data=0x2010 '�' <repeats 200 times>...)
    at vbetool.c:239
        r = {edi = 1, esi = 0, ebp = 134514753, reserved = 29, ebx = 0,
  edx = 134541748, ecx = 3084460632, eax = 8208, flags = 2048, es = 0,
  ds = 40264, fs = 49029, gs = 40280, ip = 49037, cs = 25296, sp = 47088,
  ss = 59376}
#5 0x080498f7 in restore_state () at vbetool.c:285
        tmpbuffer = " \000�\000�\000�\006", '\0' <repeats 24 times>, "\001\004D\200 \001\017\000\016��\177\177\207\204\225$�\000`\000\000\000\000\207�\003\211�\000\000�%��\000\001\002\003\004\005\006\a\b\t\n\v\f\r\016\017\001\000\017\000\000\000\000\000\000\000@\005\017��\003 \a\000\000\001\004D\000 \001\017\000\016��\177\177\207\204\225$�\000`\000\000\000\000\207�\003\211�\000\000�%��\000\001\002\003\004\005\006\a\b\t\n\v\f\r\016\017\001\000\017\000\000\000\000\000\000\000@\005\017��\003 \a\000\000 r\200\000��", '\0' <repeats 21 times>, "�\003(0/\020\000�\t\021\v|)\000�T�\000���\000�R"...
        i = <value optimized out>
        length = 2048
#6 0x08049d45 in main (argc=65535, argv=0xbf8d9e34) at vbetool.c:74
        err = 0
#7 0xb7d9febc in ?? ()