Thanks for your help Richard.
I will look, compare and let you know what I find.
...Laurie:{)
On 28/04/2013, at 10:12 PM, "Richard Rauch" <rra...@itrgmbh.de> wrote:
> Hmm, hard to say, what exactely is the reason for your problems.
> The stack is well known for having several problems regarding mbufs and
> others...but I thought, the commercial eCosPro Version, you are using, should
> contain an improved stack version!
>
> One of our porting projects was for Atmel AT91SAM9G45 and our customer
> Softing provided a bunch of improvements.
> You could compare your version with our version, available at
> http://tiprom.itrgmbh.com/projects/ecos-on-atmel9g45
> Maybe it's helpful!
>
> Richard
>
>
>> -----Ursprüngliche Nachricht-----
>> Von: ecos-discuss-ow...@ecos.sourceware.org [mailto:ecos-discuss-
>> ow...@ecos.sourceware.org] Im Auftrag von Laurie Gellatly
>> Gesendet: Sonntag, 28. April 2013 13:56
>> An: Richard Rauch
>> Cc: <ecos-disc...@sourceware.org>
>> Betreff: Re: AW: [ECOS] FreeBSD not always releasing ACK MBUFs
>>
>> FreeBSD. How did I miss that important fact???
>>
>> ...Laurie:{)
>> +61 416 114419
>>
>>
>> On 28/04/2013, at 9:50 PM, "Richard Rauch" <rra...@itrgmbh.de> wrote:
>>
>>> Hello,
>>>
>>> which TCP/IP Stack are you using? FreeBSD or lwIP?
>>>
>>> Richard
>>>
>>> ITR GmbH
>>> web: http://www.itrgmbh.com
>>> email: i...@itrgmbh.com
>>>
>>>
>>>> -----Ursprüngliche Nachricht-----
>>>> Von: ecos-discuss-ow...@ecos.sourceware.org [mailto:ecos-discuss-
>>>> ow...@ecos.sourceware.org] Im Auftrag von Laurie Gellatly
>>>> Gesendet: Sonntag, 28. April 2013 13:39
>>>> An: ecos-disc...@sourceware.org
>>>> Betreff: [ECOS] FreeBSD not always releasing ACK MBUFs
>>>>
>>>> Hi All,
>>>> I'm using eCosPro from pre eCos 3.0 to serve web pages with embedded
>>>> images, CSS and javascripts.
>>>> Some pages are set to refresh their content and eventually the
>>>> application runs out of MBUFs and restarts.
>>>> I can use my own web server or the CYGPKG_HTTPD server with the same
>>>> result.
>>>>
>>>> I used the CYGPKG_HTTPD server on port 81 to monitor network stats.
>>>> What I find is that the ‘HEADER’ type MBUFs grow and never shrink,
>>>> eventually running out of MBUFs completely.
>>>> The amount of growth in each iteration varies.
>>>> When I dump the data in the HEADER MBUFs (modified support.c to print
>>>> these short MBUFs) and compared them to the network traffic seen by
>>>> wireshark I have confirmed that the HEADERs are correct ACK packets
>>>> sent at the close of various HTTP get sequences.
>>>> For some reason they are not being released.
>>>>
>>>> I also found that the number of timeout entries (NTIMEOUTS) in
>>>> timeout.c (default 8) is WAY below what is needed (about 70 being used).
>>>>
>>>> I'm thinking it's something to do with TIME_WAIT not closing the
>>>> tcpcb when it should.
>>>>
>>>> Has anyone seen this before or can suggest a way to troubleshoot this?
>>>>
>>>> Thanks ...Laurie:{)
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Before posting, please read the FAQ:
>>>> http://ecos.sourceware.org/fom/ecos
>>>> and search the list archive:
>>>> http://ecos.sourceware.org/ml/ecos-discuss
>>
>> --
>> Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
>> and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
>
>
>
> --
> Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
> and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
>
>
--
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
