RTPREEMPT vs RTAI
- snowgoer540
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25 Mar 2020 14:36 #161440
by snowgoer540
RTPREEMPT vs RTAI was created by snowgoer540
I was planning to reimage my Plasma PC, as I am on 2.8, and I would like to be on 2.9 so I have reverse run (I think when I first installed this, years ago, it wasnt stable at that time). At any rate, I was planning to reimage because I currently am on RTAI, but the PlasmaC doc says it now recommends RTPREEMPT.
To be clear, I do not have ethernet. I am running a 6i25 to a 7i76.
Do I want to be on RTPREEMPT? Or am I wasting my time with a reimage?
I imagine I can go from 2.8 to 2.9 even on RTAI without too much hassle?
To be clear, I do not have ethernet. I am running a 6i25 to a 7i76.
Do I want to be on RTPREEMPT? Or am I wasting my time with a reimage?
I imagine I can go from 2.8 to 2.9 even on RTAI without too much hassle?
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25 Mar 2020 14:54 #161444
by cmorley
Replied by cmorley on topic RTPREEMPT vs RTAI
RTPREEMT is the way to go.
RTAI is worth it if you need software stepping.
Chris
RTAI is worth it if you need software stepping.
Chris
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25 Mar 2020 15:05 #161450
by snowgoer540
Thanks Chris! At least I know I'm not wasting my time.
One more question. With regard to the live CD .iso in the PlasmaC documentation, there are three different types for each:
rtpreempt.iso
rtpreempt_R13.iso
rtpreempt_R12.iso
Am I correct in assuming the latest is the one with no "R" designation, and those are older versions?
Replied by snowgoer540 on topic RTPREEMPT vs RTAI
RTPREEMT is the way to go.
RTAI is worth it if you need software stepping.
Chris
Thanks Chris! At least I know I'm not wasting my time.
One more question. With regard to the live CD .iso in the PlasmaC documentation, there are three different types for each:
rtpreempt.iso
rtpreempt_R13.iso
rtpreempt_R12.iso
Am I correct in assuming the latest is the one with no "R" designation, and those are older versions?
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25 Mar 2020 15:09 #161452
by cmorley
Replied by cmorley on topic RTPREEMPT vs RTAI
i can't say..Phill (plasmac developer) must have built them
I'm sure he will chime in. There are a few ISO going around right now ..
I'm sure he will chime in. There are a few ISO going around right now ..
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25 Mar 2020 22:24 #161513
by phillc54
Replied by phillc54 on topic RTPREEMPT vs RTAI
I use the R13.iso for my development machine, to go to 2.9 follow the
buildbot
directions.
If I were building a machine to run LinuxCNC I would use one of Robs Mint images
If I were building a machine to run LinuxCNC I would use one of Robs Mint images
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- tommylight
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25 Mar 2020 23:25 #161519
by tommylight
Replied by tommylight on topic RTPREEMPT vs RTAI
Agreed, there are 4 versions of it, all up to date with everything set up and working as Live session or installed to HDD/SSD. Just move to near the end of the thread and look for Mint with Mate version and Preempt-RT.If I were building a machine to run LinuxCNC I would use one of Robs Mint images
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26 Mar 2020 01:27 #161525
by BeagleBrainz
Replied by BeagleBrainz on topic RTPREEMPT vs RTAI
First post has links to most recent releases.
All will boot fine in compatibility/legacy/bios mode, RTAI is not recommended for UEFI due to only one core being enabled. No definite answer as to why.
All will boot fine in compatibility/legacy/bios mode, RTAI is not recommended for UEFI due to only one core being enabled. No definite answer as to why.
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26 Mar 2020 02:00 #161529
by snowgoer540
Sounds good. When I do the build bot for Rob's image, do I use the one for Wheezy, Jessie, Stretch, or Buster LOL. Also, the iso for Rob's mint, is that for i386 or amd64.
Sorry to be such noob.
Replied by snowgoer540 on topic RTPREEMPT vs RTAI
I use the R13.iso for my development machine, to go to 2.9 follow the buildbot directions.
If I were building a machine to run LinuxCNC I would use one of Robs Mint images
Sounds good. When I do the build bot for Rob's image, do I use the one for Wheezy, Jessie, Stretch, or Buster LOL. Also, the iso for Rob's mint, is that for i386 or amd64.
Sorry to be such noob.
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26 Mar 2020 02:20 #161530
by BeagleBrainz
Replied by BeagleBrainz on topic RTPREEMPT vs RTAI
All are 64 bit.
To tell the truth I haven't tried installing packages from the buildbot on my images.
Stretch maybe the closest but there maybe some issues with dependencies with regards to versions of libraries.
With one click of the mouse the Mint ISOs will pull everything needed to build linuxcnc apart from getting the sources from github.
Make sure to read any docs that have a shortcut on the desktop.....you'll see what I mean if you download and image and boot from it.
As the Linuxcnc packages installed on the Mint version are a custom build, modded to include the HTML docs in separate packages you may want to remove the Linuxcnc packages, and only the Linuxcnc packages, before installing other Linuxcnc packages.
If you get stuck let me know what image you downloaded and I can package up 2.9 for you.
To tell the truth I haven't tried installing packages from the buildbot on my images.
Stretch maybe the closest but there maybe some issues with dependencies with regards to versions of libraries.
With one click of the mouse the Mint ISOs will pull everything needed to build linuxcnc apart from getting the sources from github.
Make sure to read any docs that have a shortcut on the desktop.....you'll see what I mean if you download and image and boot from it.
As the Linuxcnc packages installed on the Mint version are a custom build, modded to include the HTML docs in separate packages you may want to remove the Linuxcnc packages, and only the Linuxcnc packages, before installing other Linuxcnc packages.
If you get stuck let me know what image you downloaded and I can package up 2.9 for you.
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26 Mar 2020 11:54 #161555
by BeagleBrainz
Replied by BeagleBrainz on topic RTPREEMPT vs RTAI
Ok have a MATE desktop version with 2.9 uploading. Very very slow upload speeds here at the moment.
It’s about 2300 here now expect the link put up sometime around 0500 my time. Not gunna stay up all night this time
It’s about 2300 here now expect the link put up sometime around 0500 my time. Not gunna stay up all night this time
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