[sr-dev] crash at f_malloc.c

[Daniel-Constantin Mierla]

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}

-- 
Daniel-Constantin Mierla
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