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  5. Complete HOW-TO Linux Mint 18.1 32/64 RTAI or PREEMPT with RIP install or deb

Complete HOW-TO Linux Mint 18.1 32/64 RTAI or PREEMPT with RIP install or deb

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17 Apr 2017 16:14 #91517 by probamo
Replied by probamo on topic Complete HOW-TO Linux Mint 18.1 32/64 RTAI or PREEMPT with RIP install or deb
Although computer is not bad, latency is huge :(
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17 Apr 2017 16:33 #91519 by cncnoob1979
Replied by cncnoob1979 on topic Complete HOW-TO Linux Mint 18.1 32/64 RTAI or PREEMPT with RIP install or deb
Glad you got it going!

You will need to start a new thread to configure linuxcnc please. I would like to keep this thread just for the install portion only.

Is this on a VM? Because
Debug file information:
Note: Using POSIX non-realtime
Linux parallel port #0 not found

You are not using a real-time kernel at the moment.... the "non-realtime" indicates this.

Did you make your kernel fully Preemptible as instructed in the how-to?


The reason your ini/hal is failing is because it is looking for a paraport #0 and can not find it.

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17 Apr 2017 16:35 - 17 Apr 2017 16:36 #91520 by andypugh
Replied by andypugh on topic Complete HOW-TO Linux Mint 18.1 32/64 RTAI or PREEMPT with RIP install or deb

Although computer is not bad, latency is huge :(


You might need to reconfigure grub to choose the right kernel.

What does uname -a say?

Last edit: 17 Apr 2017 16:36 by andypugh.

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17 Apr 2017 16:36 #91521 by cncnoob1979
Replied by cncnoob1979 on topic Complete HOW-TO Linux Mint 18.1 32/64 RTAI or PREEMPT with RIP install or deb
4.9.4-rt2 is the kernel you are using there right?

Seems to me you when you built the kernel you did not select the fully preemtable option. That is a common latency when you fail to select it. No worries; just build anther one and install it on the same machine. You can easily switch between the two.

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17 Apr 2017 16:37 #91522 by probamo
Replied by probamo on topic Complete HOW-TO Linux Mint 18.1 32/64 RTAI or PREEMPT with RIP install or deb
kernel is 4.9.4-rt2 and on real PC, not in VM

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17 Apr 2017 16:38 #91523 by probamo
Replied by probamo on topic Complete HOW-TO Linux Mint 18.1 32/64 RTAI or PREEMPT with RIP install or deb
I'll give a try again.

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17 Apr 2017 16:39 - 17 Apr 2017 16:41 #91524 by cncnoob1979
Replied by cncnoob1979 on topic Complete HOW-TO Linux Mint 18.1 32/64 RTAI or PREEMPT with RIP install or deb
can you post your uname-a printout as asked by andy please?

EDIT: Typo!
Last edit: 17 Apr 2017 16:41 by cncnoob1979.

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17 Apr 2017 16:42 #91525 by probamo
Replied by probamo on topic Complete HOW-TO Linux Mint 18.1 32/64 RTAI or PREEMPT with RIP install or deb
hereafter enclosed

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File Name: uname.txt
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17 Apr 2017 16:44 #91526 by cncnoob1979
Replied by cncnoob1979 on topic Complete HOW-TO Linux Mint 18.1 32/64 RTAI or PREEMPT with RIP install or deb
sorry: I had to edit my post:

I was needing the uname -a

You can just paste it in the forum...

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17 Apr 2017 16:49 #91527 by probamo
Replied by probamo on topic Complete HOW-TO Linux Mint 18.1 32/64 RTAI or PREEMPT with RIP install or deb
here is uname -a attached

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  1. LinuxCNC
  3. Installing LinuxCNC
  5. Complete HOW-TO Linux Mint 18.1 32/64 RTAI or PREEMPT with RIP install or deb
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