LinuxCNC Uspace

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28 May 2019 05:50 #135123 by Bhushan
Replied by Bhushan on topic LinuxCNC Uspace
sir did you mean we cant use real time kernal on debian stretch for building linuxcnc

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28 May 2019 22:40 #135212 by andypugh
Replied by andypugh on topic LinuxCNC Uspace
You can use the preempt-rt kernel (that is included on the LinuxCNC Stretch ISO) or you can install the kernel package on a plain install:

If you go to the Synaptic package manager you will find it with a search for "realtime"
This is the package for Jessie (which I happen to have open)

linux-image-4.9-rt-amd64

"Linux for 64-bit PCs (meta-package), PREEMPT_RT"

So you can just install that from the package manager (the kernel number will be different)
The following user(s) said Thank You: Nico2017, Bhushan

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11 Jun 2019 19:19 #136641 by gmarconi2
Replied by gmarconi2 on topic LinuxCNC Uspace
I installed linuxcnc on lubuntu 19.04 as instructed, I expected that in the programs there was boot linuxcnc, there is an emc directory, now how do I have to do to start the linuxcnc suite

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11 Jun 2019 19:24 #136642 by andypugh
Replied by andypugh on topic LinuxCNC Uspace
Is there a "CNC" section in the applications menu?

Alterantively, try "linuxcnc" from the command prompt.

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11 Jun 2019 20:10 #136652 by gmarconi2
Replied by gmarconi2 on topic LinuxCNC Uspace
thanks for the answer probably preempt RT is installed and compiled linuxcnc no

uname -a

linux giampiero-pc 5.0.19 rt 11 # 1 SMP PREEMPT RT

These are the instructions I have run

git clone github.com/LinuxCNC/linuxcnc.git emc

sudo apt install -y devscripts build-essential

sudo apt update

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11 Jun 2019 20:25 #136653 by gmarconi2
Replied by gmarconi2 on topic LinuxCNC Uspace
giampiero @ giampiero-pc: ~ / emc $ linuxcnc

Command «linuxcnc» not found, was meant:

command "linuxvnc" from deb linuxvnc (0.9.10-2build1)

Try: sudo apt install <deb name>

giampiero @ giampiero-pc: ~ / $ emc

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11 Jun 2019 20:27 #136654 by BigJohnT
Replied by BigJohnT on topic LinuxCNC Uspace
There is much more to do to get LinuxCNC installed.
This page is not finished yet.
gnipsel.com/linuxcnc/uspace/lubuntu19-emc.html

However the instructions on this page can be used.
gnipsel.com/linuxcnc/uspace/linuxmint19-emc.html

I'll see if I can finish that in the morning.

JT

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12 Jun 2019 01:23 #136681 by AgentWD40
Replied by AgentWD40 on topic LinuxCNC Uspace

BigJohnT wrote: However the instructions on this page can be used.
gnipsel.com/linuxcnc/uspace/linuxmint19-emc.html


I could very well be asking this in the wrong place. Apologies in advance.

I've used your instructions to attempt to install the kernel for mint 19.1
gnipsel.com/linuxcnc/uspace/linuxmint19-rt.html

The new grub loads and I select the new kernel 4.19.1-rt3 and booting stops with the following screen


I'm dead in the water here. Any idea where I went wrong?

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12 Jun 2019 06:07 #136697 by pl7i92
Replied by pl7i92 on topic LinuxCNC Uspace
did you install the mint 19 distro first or did you only load the kernel into debian9

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12 Jun 2019 09:46 #136707 by andypugh
Replied by andypugh on topic LinuxCNC Uspace
Does the machine still boot with the earlier kernel selected?
What was that kernel?

Have you tried running a pre-compiled kernel package?
Does Mint find any such realtime kernels in the package manager? If not then you could try adding the debian 9 repositories to see what you can find.

The kernel panic hints that something went wrong during your kernel compile.
Out of interest, how long did you have to wait after the "make" command, and were there any error messages generated?

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