[U-Boot] facing issues with malloc in U-Boot

Sandeep Kumar Sandeep.Kumar at open-silicon.com
Fri Jun 1 13:47:22 CEST 2012


Hi Graeme,

Thanks a lot for prompt reply and helping me in resolving my problem. The problem was that my board specific code was calling malloc before " mem_malloc_init" being called. Moving my code after calling mem_malloc_init resolved the issue.

Thanks a lot. :-)

Thanks and Regards,
Sandeep


-----Original Message-----
From: Graeme Russ [mailto:graeme.russ at gmail.com] 
Sent: 01 June 2012 11:47
To: Sandeep Kumar
Cc: u-boot at lists.denx.de
Subject: Re: [U-Boot] facing issues with malloc in U-Boot

Hi Sandeep,

On Fri, Jun 1, 2012 at 3:50 PM, Sandeep Kumar <Sandeep.Kumar at open-silicon.com> wrote:
> Hi ,
>
> I am using vexpress board (ca9x4_ct_vxp). During run time all the malloc are failing even if it's of 1 byte. I tried to increase the malloc pool size to 1MB also but it is not helping out. Any king of pointer or help will be highly appreciated.

The comments in dlmalloc.c indicate that do_check_chunk() is intended to catch memory corruption. A few further quick questions:

1) Is this reproducible on multiple boards? Can you rule-out SDRAM component failures?
2) Is mem_malloc_init() being called - I assume so as a) this is a in-tree board without apparent modification and b) malloc() checks for init
3) Is the failure during the first call to malloc()? If not, is the failure always at the same location?

I think you are going to need to add some printf() debugging in dlmalloc()

Regards,

Graeme

P.S. Please stop top-posting

>
> Thanks and Regards,
> Sandeep
>
>
> -----Original Message-----
> From: Graeme Russ [mailto:graeme.russ at gmail.com]
> Sent: 01 June 2012 05:21
> To: Sandeep Kumar
> Cc: u-boot at lists.denx.de
> Subject: Re: [U-Boot] facing issues with malloc in U-Boot
>
> Hi Sandeep,
>
> On Fri, Jun 1, 2012 at 1:42 AM, Sandeep Kumar <Sandeep.Kumar at open-silicon.com> wrote:
>> Hi Everyone,
>>
>> I am facing issues with malloc in U-Boot while trying to allocate some memory. Here are the prints which I am getting after enabling the debug.
>>
>> U-Boot 2011.12 (May 31 2012 - 20:49:16)
>
> What board are you using?
>
> Regargs,
>
> Graeme
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