Xenomai 4 Poll
- Bari
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18 Feb 2026 19:00 - 18 Feb 2026 19:01 #343161
by Bari
Xenomai 4 Poll was created by Bari
Since RTAI has reached the end of its life the way forward might be
Xenomai 4
How many users might find this useful? it will be lots of work and we aren't sure yet how to support Mesa cards with it yet.
How many users might find this useful? it will be lots of work and we aren't sure yet how to support Mesa cards with it yet.
Last edit: 18 Feb 2026 19:01 by Bari.
The following user(s) said Thank You: tommylight, NWE
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- tommylight
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18 Feb 2026 20:59 - 18 Feb 2026 21:07 #343163
by tommylight
Replied by tommylight on topic Xenomai 4 Poll
FYI, Mesa Ethernet does not work with RTAI kernel, so either way you look at it, RTAI was/is for software stepping mostly.
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Personally i have in use a lot of parallel port machines, mostly with Ubuntu 10.04 still, and some new ones with Mint 19.2 and RTAI kernel, but i have much more with Mesa boards, and still i would say not to bother much with it as most of those machines with parallel port do not need the latest and greatest, the ISO for Ubuntu 6.04, 8.04, 10.04, and Wheezy are still available for download and all come with older versions of RTAI kernels.
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Edit:
Personally i have in use a lot of parallel port machines, mostly with Ubuntu 10.04 still, and some new ones with Mint 19.2 and RTAI kernel, but i have much more with Mesa boards, and still i would say not to bother much with it as most of those machines with parallel port do not need the latest and greatest, the ISO for Ubuntu 6.04, 8.04, 10.04, and Wheezy are still available for download and all come with older versions of RTAI kernels.
Last edit: 18 Feb 2026 21:07 by tommylight. Reason: more info
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- Todd Zuercher
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20 Feb 2026 13:21 #343223
by Todd Zuercher
Replied by Todd Zuercher on topic Xenomai 4 Poll
I used to work with two machines that were stuck using older Ubuntu based Linuxcnc RTAI. Both ran servos, not stepper motors. One was because I could not get newer Linux kernels to work with the ISA IO card the machine was using, the other for extreme low latency to control torque mode servos. The ISA card machine was eventually upgraded to newer Mesa hardware and moved on to current Linux/Linuxcnc releases. The other is still running older RTAI.
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