Bernhard Pfund wrote: > Gilles Chanteperdrix wrote: >> Bernhard Pfund wrote: >>> [EMAIL PROTECTED] wrote: >>>> Zitat von Gilles Chanteperdrix <[EMAIL PROTECTED]>: >>>> >>>>> Bernhard Pfund wrote: >>>>>> Hi All, >>>>>> >>>>>> I have some strange behaviour here. When I try to run a periodic task >>>>>> sending small packets at 10kHz over an UDP socket, after some few cycles >>>>>> I get ENOBUFS. I can play with rtskb pool size, which extends the number >>>>>> of successful cycles, but I have the feeling that there's no >>>>>> housekeeping taking place. >>>>>> >>>>>> Funny enough I could run the very same code for hours before I updated >>>>>> to the latest code base of Linux, RTnet and RTAI. >>>>> Hi, >>>>> >>>>> I do not know if this is your issue, but I had problems of this kind >>>>> once. My problem was that my application was sending packets but never >>>>> receiving, and it happened that somehow, the network sent packet to the >>>>> port automatically allocated by rtnet. So, the received packets were >>>>> exhausting the socket buffers. >>>>> >>>> Salut Gilles >>>> >>>> That might be the issue. I deactivated the receiver thread for test >>>> purposes... I'll re-activate it and see what happens. Thanks a lot for >>>> the hint! >>>> >>>> Bernhard >>> All, >>> >>> Gilles's hint was straight to the point! It works again... >>> >>> Thanks Gilles, Jan and Paul for the valuable feedback! >> Ok. I am afraid I will make myself ridiculous with a stupid idea, but I >> dare anyway: why using not using a different pool for sending and >> receiving ? >> > > Well, that could be caused by my infinite ignorance in not knowing how > to accomplish that :) I have a separate send and receive buffer in my > userspace application, for the rest I put all my faith in RTnet... > > Or was that the direction you aimed at?
It was rather a question directed to Jan: I was proposing to use two different pools for RTnet housekeeping. -- Gilles. ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ RTnet-users mailing list RTnet-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rtnet-users