After adding a WITHOUT_SDL option to the FreeBSD qemu port (see
http://docs.freebsd.org/cgi/mid.cgi?20061028183618.GA46200
, and hi joshe! :) I got a crash that looks like monitor output
going to an uninitialized vty:
$ gdb work/qemu-snapshot-2006-10-26_05/i386-softmmu/qemu qemu.core
GNU gdb 6.1.1 [FreeBSD]
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This GDB was configured as "i386-marcel-freebsd"...
Core was generated by `qemu'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /lib/libm.so.4...done.
Loaded symbols for /lib/libm.so.4
Reading symbols from /lib/libz.so.3...done.
Loaded symbols for /lib/libz.so.3
Reading symbols from /lib/libutil.so.5...done.
Loaded symbols for /lib/libutil.so.5
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /libexec/ld-elf.so.1...done.
Loaded symbols for /libexec/ld-elf.so.1
#0 console_puts (chr=0x0,
buf=0x8125f20 "QEMU 0.8.2 monitor - type 'help' for more information\r\n",
len=55)
at
/ad4/usr/ports/emulators/qemu/work/qemu-snapshot-2006-10-26_05/console.c:790
790 c->ch = ch;
(gdb) l
785 s->state = TTY_STATE_ESC;
786 break;
787 default:
788 y1 = (s->y_base + s->y) % s->total_height;
789 c = &s->cells[y1 * s->width + s->x];
790 c->ch = ch;
791 c->t_attrib = s->t_attrib;
792 update_xy(s, s->x, s->y);
793 s->x++;
794 if (s->x >= s->width) {
(gdb) p s
$1 = (TextConsole *) 0x9b18100
(gdb) p *s
$2 = {text_console = 1, ds = 0x8123740, hw_update = 0, hw_invalidate = 0,
hw_screen_dump = 0, hw = 0x0, g_width = 0, g_height = 0, width = 0,
height = 0, total_height = 512, backscroll_height = 0, x = 0, y = 0,
y_displayed = 0, y_base = 0, t_attrib_default = {fgcol = 7 '\a',
bgcol = 0 '\0', bold = 0 '\0', uline = 0 '\0', blink = 0 '\0',
invers = 0 '\0', unvisible = 0 '\0'}, t_attrib = {fgcol = 7 '\a',
bgcol = 0 '\0', bold = 0 '\0', uline = 0 '\0', blink = 0 '\0',
invers = 0 '\0', unvisible = 0 '\0'}, cells = 0x800,
state = TTY_STATE_NORM, esc_params = {0, 0, 0}, nb_esc_params = 0,
fd_can_read = 0, fd_read = 0, fd_opaque = 0x0, out_fifo = {
buf = 0x9b1817c "", buf_size = 16, count = 0, wptr = 0, rptr = 0},
out_fifo_buf = '\0' <repeats 15 times>, kbd_timer = 0x9b10120}
(gdb) bt
#0 console_puts (chr=0x0,
buf=0x8125f20 "QEMU 0.8.2 monitor - type 'help' for more information\r\n",
len=55)
at
/ad4/usr/ports/emulators/qemu/work/qemu-snapshot-2006-10-26_05/console.c:790
#1 0x08052d75 in term_flush ()
at
/ad4/usr/ports/emulators/qemu/work/qemu-snapshot-2006-10-26_05/monitor.c:72
#2 0x08052dbb in term_puts (str=0xbfbfade6 "")
at
/ad4/usr/ports/emulators/qemu/work/qemu-snapshot-2006-10-26_05/monitor.c:90
#3 0x08052e01 in term_vprintf (
fmt=0x80ffa50 "QEMU %s monitor - type 'help' for more information\n",
ap=0xbfbfbde4 "UK\020\bXè¿¿\002")
at
/ad4/usr/ports/emulators/qemu/work/qemu-snapshot-2006-10-26_05/monitor.c:98
#4 0x08052e1a in term_printf (
fmt=0x80ffa50 "QEMU %s monitor - type 'help' for more information\n")
at
/ad4/usr/ports/emulators/qemu/work/qemu-snapshot-2006-10-26_05/monitor.c:105
#5 0x08055602 in monitor_init (hd=0x9b10100, show_banner=1)
at
/ad4/usr/ports/emulators/qemu/work/qemu-snapshot-2006-10-26_05/monitor.c:2382
---Type <return> to continue, or q <return> to quit---
#6 0x08051244 in main (argc=8, argv=0xbfbfe8a4)
at /ad4/usr/ports/emulators/qemu/work/qemu-snapshot-2006-10-26_05/vl.c:7025
(gdb) q
Is this supposed to work? Is it a bug? Should -nographic be
default in this case?
Curious...
Juergen
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