The image of new system with RTAI

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31 Jul 2019 20:41 #141039 by neller
Hello,
My question about LinuxCNC installing on Kaby Lake based system.
Firstly, I want to say that I used "Debian 7 Wheezy ISO with 3.4.9 rtai kernel" and it works fine, but my machine have Kaby Lake CPU and Intel HD Graphics 610 card. Debian 7 includes old vesion of intel/vesa driver and my device isn't work. I tryed to install new version of video driver, but unsuccessfully. Can anybody send me worked ISO with fresh video driver and RTAI kernel? Thank you and sorry for my english.

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31 Jul 2019 20:54 - 31 Jul 2019 21:02 #141040 by Bari
Try the Stretch ISO found here with preempt_rt: www.linuxcnc.org/testing-stretch-rtpreempt/

If you really need RTAI there are some new RTAI packages for Stretch or Buster.
github.com/andypugh/RTAI/releases
Last edit: 31 Jul 2019 21:02 by Bari.

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31 Jul 2019 21:00 #141042 by neller
Thank you, Bari, but my machine worked very slowly with PREEMPT_RT, I need only RTAI based ISO)

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31 Jul 2019 21:04 - 31 Jul 2019 21:07 #141043 by Bari
github.com/andypugh/RTAI/releases

and I updated my post above as well. Doubt if it works with Wheezy.
Last edit: 31 Jul 2019 21:07 by Bari.

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31 Jul 2019 21:07 #141044 by neller
Thank you, Bari, I will try to install it this night)

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01 Aug 2019 00:50 #141059 by neller
UPD:

I installed linuxcnc-stretch-uspace-amd64-r13.iso and check latency:
~136000
After that I removed linuxcnc and installed 4.14.132-rtai kernel with user version of linuxcnc. Latency test showed: ~30000

It is very fine for my work, but I need dev version to add my changes.

I removed linuxcnc and download linuxcnc-dev version. I typed "make" command and it crashed with error (attached). I think this problem with changes in new kernel. But default version worked. Why?)
Attachments:

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01 Aug 2019 00:57 #141060 by Bari
I don't know what you mean by "linuxcnc-dev version".

Andy's packages don't require any building, just installing.

If you want to build from source here is the howto:
wiki.linuxcnc.org/cgi-bin/wiki.pl?Building_RTAI_5.2_Packages

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01 Aug 2019 01:06 #141061 by neller
Thank you again, Bari.

"You must first apply all patches to LinuxCNC located in the linuxcnc_patches directory of the NTULINUX/RTAI repository before you run ./autogen.sh inside it's source tree." - it is the solution

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