[En-Nut-Discussion] Ethernut not running stable

[Erich]

hi,

i dont have the httpd running it crashes from network traffic itself.

ping is enought, ~ 50 pings, flood ping kills it immediatly.


Ulrich Prinz schrieb:
> Hi!
>
> I didn't check Version 4.8.x and I cannot see from your mail if httpd 
> itself works but the nut crashes with ping only.
> In 4.9.x (trunk) there is a bug that shows up if you start the httpd 
> example and ping it without having at least done one http request. It 
> crashes with the first ping.
> If you had already done at least one http request, it withstands some 
> 30..60 seconds of adaptive ping (a bit calmer than floodping) and 
> crashes then.
> But if you do not ping the nut, http works.
>
> I am actually searching for that bug while I rewrite parts of the 
> at91_emac.c. I tested against the EIR which uses a different (external) 
> MAC and it does not show the problem after several minutes of adaptive 
> ping. It didn't even give any hichup in the sound even the interface is 
> flooded:
> 138204 packets transmitted, 138203 received, 0% packet loss, time 171703ms
> rtt min/avg/max/mdev = 0.433/0.741/6.437/0.973 ms, ipg/ewma 1.242/0.539 ms
>
> There is already a thread in the list here, where I talked about that 
> problem: "Detecting unplugged network cable" is the thread you might 
> like to join and see how it grows.
>
> Best regards
> Ulrich
>
> Am 17.11.2010 21:07, schrieb Erich:
>   
>> Hi,
>>
>> C:\Programme\yagarto\bin>arm-elf-gcc -v
>> Using built-in specs.
>> Target: arm-elf
>> Configured with: ../gcc-4.4.2/configure --target=arm-elf
>> --prefix=/home/yagarto/
>> install --disable-nls --disable-shared --disable-threads --with-gcc
>> --with-gnu-l
>> d --with-gnu-as --with-dwarf2 --enable-languages=c,c++
>> --enable-interwork --enab
>> le-multilib --with-newlib
>> --with-headers=../newlib-1.18.0/newlib/libc/include --
>> disable-libssp --disable-libstdcxx-pch --disable-libmudflap
>> --disable-libgomp -v
>>
>> Thread model: single
>> gcc version 4.4.2 (GCC)
>>
>> C:\Programme\yagarto\bin>
>>
>>
>> Nut Os 4.8.7 and 4.8.8 show same behavior. When i statt a flood ping on
>> the devices
>> it crashes immediatly.
>>
>> #define NUT_THREAD_NICRXSTACK   384
>>
>>
>> didnt help so far
>>
>> Harald Kipp schrieb:
>>     
>>> Hi Erich,
>>>
>>> On 17.11.2010 18:35, Erich wrote:
>>>
>>>
>>>       
>>>> i have a ethernut 3 board 3.0 rev e and when i try the httpd sample or
>>>> any other
>>>> programm that uses ethernet the board crahes and does not reply to ping
>>>> or anything
>>>> else. we tried nut os 4.8.8 and 4.8.7
>>>> suggestions?
>>>>
>>>>         
>>> If you installed the Nut/OS 4.8.8 distribution on Windows, you'll find
>>> binaries in subdirectory
>>>
>>> bin\boards\ethernut30e\arm-gcc\
>>>
>>> I just tested the httpserv.bin and it works.
>>>
>>> Note, that the default is to run in RAM, using TFTP as explained at
>>>
>>> http://www.ethernut.de/nutwiki/Ethernut_3.0_E
>>>
>>> Unfortunately the Linux distri comes without binaries.
>>>
>>> In Nut/OS 4.9 beta I recently had the problem, that the receiver thread
>>> stack in arch/arm/dev/at91_emac.c overflowed. It worked before and I
>>> assume that this appeared after updating the compiler.
>>>
>>> May be it helps to increase
>>>
>>> #define NUT_THREAD_NICRXSTACK   384
>>>
>>> Please let us know if it helps and what compiler version you are using.
>>>
>>>    arm-elf-gcc --version
>>>
>>> Regards,
>>>
>>> Harald
>>> _______________________________________________
>>> http://lists.egnite.de/mailman/listinfo/en-nut-discussion
>>>
>>>
>>>       
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