Re: Problem with init call

[Zachár Balázs <bzachar@xxxxxxxxxxxxxx>]

Wan ZongShun wrote:
> 2009/3/18 Zachár Balázs <bzachar@xxxxxxxxxxxxxx>:
>>
>> Wan ZongShun wrote:
>>>> On Busybox mail list I got some good Idea:
>>>> 1. I change the test init to this (to trigger out the std problem):
>>>>
>>>> #include <stdio.h>
>>>>
>>>> int main()
>>>> {
>>>>  write(1, "Hello world!\n", 12);
>>>>  while(1);
>>>>  return 0;
>>>> }
>>>> But It still not work if I compiled it with the new cross-toolchain...
>>>>
>>>> 2. I compile this code with my old (orig) toolchain to static linked, copy it to /sbin/init and boot with the new system (new kernel, new rootfs with only /dev/console, /dev/ttyS1)
>>>> And it works! :(
>>>>
>>>> It looks like my new cross-toolchain can compile a working kernel but can't a Hello World!? Very strange!!! :(
>>>> Is this normal?
>>> Did you  compile this code with new toolchain to static linked?
>>>
>> Yes. I used this command:
>> devel:/tmp# arm-linux-gnueabi-gcc -g -static -O2 -Wall -o test_init test_init.c
> 
> Your new gcc support EABI, so your application should be EABI version
> 4, Please check your kernel configure ,if the EABI app support was
> selected?

This was the problem!
I forgot to turn on the CONFIG_AEABI in my new kernel!
Now it works properly!

Many thanks for the capable help!

Regards,
Balazs Zachar

> 
> 
>>>>>>>> devel:~# ll /boardnfs/root/dev/ttyS1
>>>>>>>> crw-rw---- 1 root dialout 4, 65 2009-02-20 11:10 /boardnfs/root/dev/ttyS1
>>>>>>>>
>>>>>>>> I think the UART driver is working properly, because if I use the "old" (orig) rootfilesystem to boot up with the new kernel, it works...
>>>>>>>>
>>>>>>>> In my new rootfilesystem there is only /sbin/init (Hello world) and /dev/ttyS1 and the directory structure, should I use anything else to boot up the hello world init??
>>>>>>> re: You must be put console file in your new /boardnfs/root/dev/, you
>>>>>>> can make it by "mknod console c 5 1".
>>>>>> I make the console file (copy it from the old rootfs with cp -a) but still get the error message (but the warning : Warning: unable to open an initial console. perhaps disappeared)
>>>>>>
>>>>>>>      Using busybox? If so,you can add /etc/init.d/rcS and boot your
>>>>>>> first app program by rcS.
>>>>>> Yes, I want to use Busybox but it didn't work too(same error like with "Hello World!" init), thats why I try the Hello World:
>>>>>> http://www.busybox.net/FAQ.html#init
>>>>> It is easy to build busybox for linux,Why it don't work.Please check
>>>>> your configure or static lib or shared ...
>>>>>
>>>>> if necessary.I can send my busybox-1.9.1 source code to you, it works
>>>>> well at linux-2.6.29 for my ARM9(w90p910 EVB) .
>>>>>
>>>
>>>
> 
> 
> 

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