RTAI will be frozen after this fix. So EOL for RTAI after this.
The next move might be to Xenomai but it will require lots of work. Lets
see who would even use it IF that is a possible direction.
On 2/17/26 10:00 AM, Robert Schöftner wrote:
Am Sonntag, dem 15.02.2026 um 21:00 +0000 schrieb Alec Ari via Emc-
developers:
Hello,
Currently there's a major problem with the 5.4.290 kernel update for
RTAI, and I think I narrowed down the problem but I need testers. The
issue is that it's crashing in real environments with a parallel port
mesa card but not in a simulator. I need someone to test my changes
and can verify this works on real hardware, not a sim.
I would like to get a picture how many people are (still) using RTAI
and what their reasons are.
With some new developments in the trajectory planner, some situations
arise where the "schism" between the "realtime C possibly kernel
module" world and the "userspace c++" world becomes more and more
painful (like mirror-datastructures are needed on the C side that
correspond to stuff in the C++ world).
Given that popular hardware interfaces like ethercat and ethernet mesa
cards don't work with kernel mode realtime, there are some ideas
floating around to get rid of kernel mode stuff entirely (i.e. RTAI
support) and to unify more C/C++ stuff
So I wondered how man people are still using RTAI. Please speak up.
best regards
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