Re: [lwip-users] crash after update from lwip 1.3.0 to 1.3.1 under FreeRTOS 5.4.2

[Jesper Vestergaard]

I also get a lot of these warnings:

src/lwip-1.3.1//src/netif/etharp.c: In function 'free_etharp_q':
src/lwip-1.3.1//src/netif/etharp.c:153: warning: implicit declaration of 
function 'free'
src/lwip-1.3.1//src/netif/etharp.c:153: warning: incompatible implicit 
declaration of built-in function 'free'
src/lwip-1.3.1//src/netif/etharp.c: In function 'update_arp_entry':
src/lwip-1.3.1//src/netif/etharp.c:522: warning: incompatible implicit 
declaration of built-in function 'free'
src/lwip-1.3.1//src/netif/etharp.c: In function 'etharp_query':
src/lwip-1.3.1//src/netif/etharp.c:970: warning: implicit declaration of 
function 'malloc'
src/lwip-1.3.1//src/netif/etharp.c:970: warning: incompatible implicit 
declaration of built-in function 'malloc'
src/lwip-1.3.1//src/netif/etharp.c: At top level:


I use the avr32 toolchain with newlib.


Jesper Vestergaard wrote:
> After I updated to lwip version 1.3.1, FreeRTOS can no longer start 
> the tcpip_thread.
>
> Here's the gdb output:
>
> Program received signal SIGINT, Interrupt.
> 0x00013a08 in _handle_Bus_Error_Data_Fetch ()
> (gdb) bt
> #0  0x00013a08 in _handle_Bus_Error_Data_Fetch ()
> #1  0x00001156 in xTaskCreate (pvTaskCode=0x64b4 <tcpip_thread>, 
> pcName=0x1432c "tcpip_thread", usStackDepth=<value optimized out>, 
> pvParameters=0x0, uxPriority=3,
>    pxCreatedTask=0x24007fbc) at FreeRTOS/tasks.c:453
> #2  0x00002ef2 in sys_thread_new (name=<value optimized out>, 
> thread=0x2ef2 <sys_thread_new+26>, arg=<value optimized out>, 
> stacksize=<value optimized out>,
>    prio=-95887544) at src/lwip-port/AVR32AP700x/sys_arch.c:359
> #3  0x0000645a in tcpip_init (initfunc=0, arg=0x0) at 
> src/lwip-1.3.1//src/api/tcpip.c:555
> #4  0x00000136 in main () at main.c:344
>
>
>
> The sys_thread_new in my sys_arch.c looks like this:
>
> sys_thread_t sys_thread_new(char *name, void (* thread)(void *arg), 
> void *arg, int stacksize, int prio)
> {
> xTaskHandle CreatedTask;
> int result;
>
>        result = xTaskCreate( thread, name, stacksize, arg, prio, 
> &CreatedTask );
>
> .....
>
>
>
> Which modifications in lwip 1.3.1 could be causing this?
>
>
> Best regards
> Jesper
>
>
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