Bugs item #1689714, was opened at 2007-03-28 10:48
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: das mensch (das_mensch)
Assigned to: Nobody/Anonymous (nobody)
Summary: further bug using vnc
Initial Comment:
just started kvm-18 32bit with -no-kvm (because of kernel-oops, see #1634816,
2007-03-28 10:15), starting win2k-setup, short time later I get a segfault:
Program received signal SIGSEGV, Segmentation fault.
0x081de074 in memset ()
(gdb) up
#1 0x080b6ca7 in framebuffer_update_request (vs=0x9db1db8, incremental=0,
x_position=0, y_position=42, w=640, h=146)
at /usr/src/kernel/kvm-18/qemu/vnc.c:863
863 memset(old_row, 42, vs->ds->width * vs->depth);
(gdb) print old_row
$1 = 0xa75f9000 <Address 0xa75f9000 out of bounds>
(gdb) print vs
$2 = (VncState *) 0x9db1db8
(gdb) print vs->ds
$3 = (DisplayState *) 0x8301060
(gdb) print vs->ds->width
$4 = 720
(gdb) print *(vs->ds)
$5 = {data = 0xa71c8008 "ลก", linesize = 2880, depth = 32, bgr = 0, width = 720,
height = 396, opaque = 0x9db1db8,
dpy_update = 0x80b3dd0 <vnc_dpy_update>, dpy_resize = 0x80b3ee0
<vnc_dpy_resize>, dpy_refresh = 0x80b61f0 <vnc_dpy_refresh>,
dpy_copy = 0x80b5ba0 <vnc_copy>}
(gdb) print *(vs)
$6 = {timer = 0x9e88308, lsock = 11, csock = 16, ds = 0x8301060, need_update =
1, width = 640, height = 400, dirty_row = {{
4294967295, 8191, 0, 0} <repeats 397 times>, {0, 7936, 0, 0}, {0, 7936,
0, 0}, {0, 7936, 0, 0}, {4294967295, 4294967295,
4294967295, 4294967295} <repeats 1648 times>}, old_data = 0xa74e2008 '*'
<repeats 200 times>..., depth = 4, has_resize = 0,
has_hextile = 1, has_pointer_type_change = 0, absolute = 0, last_x = 895,
last_y = 326,
display = 0xbffc0bd9 "192.168.235.33:802", output = {capacity = 23114, offset
= 0, buffer = 0x9ee9020 ""}, input = {
capacity = 5120, offset = 10, buffer = 0x9ebd6e0 "\003"}, kbd_layout =
0x9db9f58,
write_pixels = 0x80b4030 <vnc_write_pixels_copy>, send_hextile_tile =
0x80b4e30 <send_hextile_tile_32>, pix_bpp = 0,
pix_big_endian = 0, red_shift = 0, red_max = 0, red_shift1 = 0, green_shift =
0, green_max = 0, green_shift1 = 0,
blue_shift = 0, blue_max = 0, blue_shift1 = 0, read_handler = 0x80b70a0
<protocol_client_msg>, read_handler_expect = 10,
modifiers_state = '\0' <repeats 255 times>}
(gdb)
no fix yet, because I have to work on other things now...
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