Re: Issue with RTAI on different PC Hardware

Ok. I guess I have to compile a new kernel with a new Linux distribution and new RTAI for the first advice as I am still running RTAI 4.0 on Linux Kernel 3.8.13. That will take some time. Or is there a shortcut?

My Desktop environment is GNOME under a Debian 7.5 Distribution. I used Qt Toolkit for development of my GUI. Both applications, user space application as well as kernel modules are started via a script, that inserts the modules and so on.

Von: Paolo Mantegazza [mailto:[email protected]]
Gesendet: Dienstag, 10. Januar 2017 14:28
An: Onno Martens <[email protected]>; [email protected]
Betreff: Re: AW: [Rtai] Issue with RTAI on different PC Hardware

I would not be so sure that SMI shows up just in the way you believe it to.
My suggestion is to download VULCANO CVS and then use the tool found there and monitor SMI on line.
It might tel you something more.

You did not say anything about your graphic environment.

Paolo

On 01/10/2017 01:24 PM, Onno Martens wrote:
Hi Paolo,

I googled the SMI Issue and found out that these kind of issues occur periodically every 32 or 64 second. I ran the latency test, which didn't show a certain "hiccup" in that time grid. My chipset is Intel H61.

Maximum latency in that test is between 258744 and 458393 over a 5 minute test run. Minimum latency at -1830.

User space application has a GUI, kernel application communicates with user space application via shared memory.

Best regards,
Onno

Von: Paolo Mantegazza [mailto:[email protected]]
Gesendet: Dienstag, 10. Januar 2017 11:59
An: Onno Martens <[email protected]><mailto:[email protected]>; [email protected]<mailto:[email protected]>
Betreff: Re: [Rtai] Issue with RTAI on different PC Hardware

Are you working within the X environment, or just using alphanumeric consols? Have you checked for possible SMI problems?
Paolo

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