[U-Boot] sandbox: Crash on startup

[Matthias Weisser]

Am 01.11.2011 15:01, schrieb Simon Glass:
> Mi Matthias,
> 
> On Tue, Nov 1, 2011 at 2:50 AM, Matthias Weisser <weisserm at arcor.de> wrote:
>> Dear Simon
>>
>> I just wanted to play around with the sandbox "arch" of u-boot maybe
>> adding tun/tap support. Current head compiled successfully but crashed
>> immediately after startup in board_init_f:
>>
>>        gd = malloc(sizeof(gd_t));
>>        assert(gd);
>>
>>        memset((void *)gd, 0, sizeof(gd_t));
>>
>> The simple reason was that malloc refers to u-boots internal malloc
>> which is not initialized at this point. I added the following snippet
> 
> That is odd. This commit is supposed to switch over to the system malloc():
> 
> fe34107 sandbox: Disable built-in malloc
> 
> Can you please check that it is there?

This commit is there. But it seems to be ignored. dlmalloc.c is build
and linked on my machine here.

> I would first check that dlmalloc.o is not being linked, and that
> mem_malloc_init() is undefined.
> 
> The current setup works OK for me, but yes it would be nice use
> U-Boot's internal malloc(). The initial effort was to get a baseline
> implementation into U-Boot and there are a number of areas where it
> can be expanded. We want to test as much as possible of the code, and
> dlmalloc is no exception.

Please see http://patchwork.ozlabs.org/patch/123074/ I just posted. This
may be a solution for this issue and we can use dlmalloc in sandbox.

Regards
Matthias