You don't need to recompile anything. The instructions in the wiki are for Dapper Drake, where the RTAI module rtai_smi is not ok. On Hardy you would only need to load the rtai_smi, and it should work ok. I looked at both sources (RTAI: smi-module.c and smictrl.c) and I think the smictrl.c is based on an older version (based on Xenomai, which forked from RTAI). So my guess is that something might have happened, and the module didn't load correctly (the rtai_smi one). Can you try by hand and see what happens?
I used this to disable SMI: sudo insmod /usr/realtime-2.6.24-16-rtai/modules/rtai_smi.ko sudo rmmod rtai_smi and later to re-enable: sudo insmod /usr/realtime-2.6.24-16-rtai/modules/rtai_smi.ko smiReset=1 sudo rmmod rtai_smi Regards, Alex PS: the proper fix for a machine on which you want to run emc2 is to put rtai_smi into /etc/emc2/rtapi.conf (even if it says don't edit this file ;) On Wed, 2008-04-30 at 21:24 +0200, jros wrote: > Regarding latency test, I have recently made some experiments with about > 5-6 different computers. One of them performed reasonably well and the > others has the infamous SMI problem. > > I searched the wiki for a solution and I found one, that req > uires > recompiling, after following the instructions, NO SUCCESS. > > The I searched Google and found this > > https://listas.upv.es/pipermail/rtlinuxgpl/2007-April/000609.html > > It is a simple and very little standalone utility that allows to switch > off entirely the SMI. > I where able to perform good latency test in all the computers using > that trick. > > I think that such a utility could be included with the new release. > > Also I think that it can be reference in the wiki section related to > latency and SMI problems as an alternative quick solution. > > Bye, > > Javier > > El mié, 30-04-2008 a las 19:56 +0300, Alex Joni escribió: > > Hi Mario, > > > > here's how I usually run it: > > > > 1. emc's latency test: > > open a terminal, type "latency-test" and it displays the values > > > > 2. RTAI's latency test: > > open a terminal, type: > > cd /usr/realtime-*/testsuite/kern/latency > > sudo ./run > > > > (the mknod part is not needed anymore). > > > > Regards, > > Alex > > > > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by the 2008 JavaOne(SM) Conference > Don't miss this year's exciting event. There's still time to save $100. > Use priority code J8TL2D2. > http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone > _______________________________________________ > Emc-developers mailing list > Emc-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-developers ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
