Does anyone have an RTAI kernel and a version 2.9 built on it?

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07 Mar 2023 20:48 #266058 by Dalbjerg
Hi I have an older version 2.8~pre on my router. After moving and unpacking for 3 years, I have assembled it again. New I can see that version 2.9 is what everyone is counting on. Among other things, there are options for a better user interface. But I run it all on printer ports, so an RTAI version is needed. I have tried unsuccessfully to build a version (5.3.3) but it won't work for me. Has anyone made one like this? There is a good one for 2.8 (linuxcnc.org/docs/2.8/html/getting-start...#cha:Installing-RTAI)
But I think there are more of us who could use a version 2.9
Sincerely, Bo

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07 Mar 2023 21:50 #266075 by andypugh
RTAI support was removed from 2.9.

Putting it back is on my list of things to do.

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08 Mar 2023 14:51 #266118 by Dalbjerg
Ok, I'm glad that you still think of us who use the parallel port as communication to our router.
But just take your time.
I appreciate all of you who contribute to the development of LINUXCNC.
Sincerely, Bo
The following user(s) said Thank You: flyingbrick

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08 Dec 2023 04:52 #287502 by whatswithhumans
BUMP!
I have 3 Dell Optiplex 980's, that could get 10k-15k Latency with 2.7 RTAI.
Switched to 2.9 and its like 40k-50k, Killing my rapids...

Thank you

-Regards

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08 Dec 2023 10:07 #287511 by andypugh
The 2.9.1 release includes a version for RTAI.
If you are on Buster with an RTAI kernel then it should just be a matter of updating the apt sources to 2.9-rt and allowing the update to happen.
linuxcnc.org/docs/stable/html/getting-st...dating-linuxcnc.html

If you are not on Buster then install Bookworm, install the RTAI kernel and then install the 2.9-rt version of LinuxCNC.

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12 Dec 2023 21:09 #287976 by gaston48
Hello Andy
it seems that linuxcnc-dev (for rtai) as well as the documentation is not
present in the package?

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13 Dec 2023 00:25 - 13 Dec 2023 00:25 #287990 by andypugh
Should be fixed now. (at least for bookworm)
Last edit: 13 Dec 2023 00:25 by andypugh.

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13 Dec 2023 13:41 #288032 by gaston48
Thanks Andy,
For the moment it is an update on Buster to 2.8.4 rtai
My configuration works, I finally have enough HAL memory.
Everything is working, remains an "invalid parameter message" 
with one of my components :

File Attachment:

File Name: message_comp.txt
File Size:8 KB


and the parasitic cursors of my OLED is persistent now
Attachments:

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13 Dec 2023 14:54 #288046 by andypugh

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13 Dec 2023 17:19 #288057 by gaston48
Sorry, I don't remember why I didn't use the original component?

the exact error message is "Invalid module format"

message.ko compiled under 2.8.4 but not tested by running linuxcnc.

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