[coyotos-dev] For your amusement

[Jeroen Visser]

On 9/30/07, Jonathan S. Shapiro <shap at eros-os.com> wrote:
> > Sorry, I need to set up a debug qemu before I can do that :(
>
> The as-shipped qemu in fedora understands "-s", which means "wait for
> gdb attach".

Fortunately this applies to qemu on Ubuntu too :) Thanks.

Below are three backtraces taken while the console reads "Enabling
interrupts". These traces were taken between 2 to 3 seconds apart.

-JCV


Program received signal SIGINT, Interrupt.
memset (s=0xc1948000, c=0, n=4096) at ../../../kernel/kern_string.c:109
109         cs[i] = c;
(gdb) bt
#0  memset (s=0xc1948000, c=0, n=4096) at ../../../kernel/kern_string.c:109
#1  0xc0115ad4 in grow_heap (target=3251259692)
    at ../../../kernel/kern_malloc.c:149
#2  0xc0115bb3 in malloc (nBytes=20995928) at ../../../kernel/kern_malloc.c:211
#3  0xc0115bed in calloc (nBytes=248, nElem=84661)
    at ../../../kernel/kern_malloc.c:226
#4  0xc0110f89 in cache_init () at ../../../kernel/kern_Cache.c:455
#5  0xc010a329 in kernel_main () at ../../../kernel/kern_main.c:55



Program received signal SIGINT, Interrupt.
memset (s=0xc1f05000, c=0, n=4096) at ../../../kernel/kern_string.c:109
109         cs[i] = c;
(gdb) bt
#0  memset (s=0xc1f05000, c=0, n=4096) at ../../../kernel/kern_string.c:109
#1  0xc0115ad4 in grow_heap (target=3264284896)
    at ../../../kernel/kern_malloc.c:149
#2  0xc0115bb3 in malloc (nBytes=13025204) at ../../../kernel/kern_malloc.c:211
#3  0xc0115bed in calloc (nBytes=188, nElem=69283)
    at ../../../kernel/kern_malloc.c:226



Program received signal SIGINT, Interrupt.
memset (s=0xc1ca492c, c=0, n=13025204) at ../../../kernel/kern_string.c:109
109         cs[i] = c;
(gdb) bt
#0  memset (s=0xc1ca492c, c=0, n=13025204) at ../../../kernel/kern_string.c:109
#1  0xc0115c08 in calloc (nBytes=188, nElem=69283)
    at ../../../kernel/kern_malloc.c:227
#2  0xc0110ff5 in cache_init () at ../../../kernel/kern_Cache.c:456