The 'list' command didn't print the source code around the line of crash?
Also, 'p *frag' is missing.
Daniel
On 20/09/15 19:19, Juha Heinanen wrote:
Daniel-Constantin Mierla writes:
Anyhow, can you give the output from gdb for:
frame 0
list
info locals
p *qm
p *frag
p *n
below, juha
(gdb) frame 0
#0 fm_split_frag (size=104, frag=0x7fa1e3879fe8, qm=0x7fa1e187a000) at
mem/f_malloc.c:285
285 in mem/f_malloc.c
(gdb) list
280 in mem/f_malloc.c
(gdb) info locals
rest = 18446744073709551512
n = 0x7fa1e387a068
(gdb) p *qm
$1 = {type = 0, size = 33554432, used = 6945608, real_used = 7824440, max_real_used =
10067232,
ffrags = 315, first_frag = 0x7fa1e1882478, last_frag = 0x7fa1e3879fe8, free_bitmap =
{4100, 0,
17179869184, 0 <repeats 29 times>, 2054}, free_hash = {{first = 0x0, no =
18446744073709551615}, {
first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e1eb63d0, no = 2}, {first =
0x7fa1e3879fe8, no = 0},
{first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first =
0x7fa1e3879fe8, no = 0}, {
first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first =
0x7fa1e3879fe8, no = 0},
{first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first =
0x7fa1e24cb560, no = 1}, {
first = 0x7fa1e3879fe8, no = 0} <repeats 149 times>, {first = 0x7fa1e3879fe8,
no = 18446744073709551613}, {first = 0x7fa1e3879fe8, no = 0} <repeats 785
times>, {first = 0x0,
no = 0}, {first = 0x7fa1e3879fe8, no = 0} <repeats 56 times>, {first = 0x0,
no = 0}, {
first = 0x7fa1e3879fe8, no = 0} <repeats 38 times>, {first = 0x0, no = 0},
{first = 0x7fa1e3879fe8,
no = 0} <repeats 102 times>, {first = 0x0, no = 0}, {first = 0x7fa1e3879fe8,
no = 0} <repeats 17 times>, {first = 0x0, no = 0}, {first = 0x7fa1e3879fe8,
no = 0} <repeats 291 times>, {first = 0x0, no = 0}, {first = 0x7fa1e3879fe8,
no = 0} <repeats 29 times>, {first = 0x0, no = 0}, {first = 0x0, no = 0},
{first = 0x7fa1e3879fe8,
no = 0} <repeats 40 times>, {first = 0x0, no = 0}, {first = 0x0, no = 0},
{first = 0x7fa1e3879fe8,
no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {
first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first =
0x7fa1e3879fe8, no = 0},
{first = 0x7fa1e3879fe8, no = 0}, {first = 0x0, no = 0}, {first = 0x7fa1e3879fe8,
no = 0} <repeats 114 times>, {first = 0x0, no = 0}, {first = 0x7fa1e3879fe8,
no = 0} <repeats 13 times>, {first = 0x0, no = 0}, {first = 0x7fa1e3879fe8,
no = 0}, {
first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first =
0x7fa1e3879fe8, no = 0},
{first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first =
0x7fa1e3879fe8, no = 0}, {
first = 0x7fa1e3879fe8, no = 0}, {first = 0x0, no = 0}, {first = 0x7fa1e3879fe8,
no = 0} <repeats 47 times>, {first = 0x0, no = 0}, {first = 0x7fa1e3879fe8,
no = 0}, {
first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first =
0x7fa1e3879fe8, no = 0},
{first = 0x7fa1e3879fe8, no = 0}, {first = 0x0, no = 0}, {first = 0x7fa1e3879fe8, no
= 0}, {
first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first =
0x7fa1e3879fe8, no = 0},
{first = 0x7fa1e3879fe8, no = 0}, {first = 0x0, no = 0}, {first = 0x0, no = 0}, {
first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first =
0x7fa1e3879fe8, no = 0},
{first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first =
0x7fa1e3879fe8, no = 0}, {
first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first =
0x7fa1e3879fe8, no = 0},
---Type <return> to continue, or q <return> to quit---p *frag
{first = 0x0, no = 0}, {first = 0x7fa1e3879fe8, no = 0} <repeats 22 times>,
{first = 0x0, no = 0}, {
first = 0x7fa1e3879fe8, no = 0} <repeats 20 times>...}}
(gdb) p *n
$2 = {size = 504, u = {nxt_free = 0x8, reserved = 8}, prv_free = 0x400000003}