Parallel port controller issues, can not find address

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22 Dec 2021 22:35 #229771 by tommylight
Disable hyperthreading, speedstep, virtualisation, modem, serial ports, turbo.
The following user(s) said Thank You: seuchato

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22 Dec 2021 23:59 #229778 by Jake
Thanks Tommy,

I had most of that turned off. Turned the rest of it off.

Max interval stayed 1m jitter improved its about 10k.

I can move slowly jog the X and Y, the Z is not happy now. If the speeds are increased it stops on a following error. Then it stutters after a restart like the PID tuning is off.

Ill hopefully be back at it in the morning, along with trying to get the Vista pendant to work again.

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23 Dec 2021 00:11 #229779 by ALittleOffTheRails
Replied by ALittleOffTheRails on topic Parallel port controller issues, can not find address
You can try this as well via editing the grub command line when you boot.

For a 4 core processor
isolcpus=1,2,3 intel_idle.max_cstate=0 processor.max_cstate=0 idle=poll

For 2 core processor
isolcpus=1 intel_idle.max_cstate=0 processor.max_cstate=0 idle=poll

To make it permanent edit
/etc/default/grub
as superuser with whatever option works
run
update-grub
as superuser
then reboot

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24 Dec 2021 02:43 #229849 by Jake
I am getting permission denied when I try to make the edit permanent. I am logged in as root. I have had enough of it today. I will try again tomorrow.

root@hurco:~# /etc/default/grub
bash: /etc/default/grub: Permission denied

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24 Dec 2021 03:39 #229856 by ALittleOffTheRails
Replied by ALittleOffTheRails on topic Parallel port controller issues, can not find address
That was the path to the file you were meant to edit, not the command. You need to use your preferred editor to edit the file.

The system thought you wanted to execute that file.

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24 Dec 2021 03:41 #229857 by Jake
Thanks! I was not thinking clearly earlier.

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24 Dec 2021 03:53 #229860 by ALittleOffTheRails
Replied by ALittleOffTheRails on topic Parallel port controller issues, can not find address
It's that time of year hahaha

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24 Dec 2021 16:09 - 24 Dec 2021 16:10 #229900 by Jake
I wish I had a good excuse for having my head up my.....

Having a small window of time to try and run out here and get something done is a challenge. Especially with a constant distraction in the shop.

I did the first check of ISOLCPU with 1,2,3 and it knocked the base thread to 35k, the servo is still at 1M

Ill keep working on it...Thanks again!

I need to look up on how to get rid of the screen lock also.  I tried one thing and that was unsucessful, I just want screen saver after like 30 minutes and NO lock. 
Last edit: 24 Dec 2021 16:10 by Jake.

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02 Jan 2022 16:32 #230557 by Jake
A kinda update.....  In all of the work to attempt to get the machine to function, I was successful at getting Buster to lock up every time I would launch LCNC.  Seems like this really started after adding the xscreensaver to disable the screen lock.  I just started over.  I have all the items that were discussed through the thread resolved and am getting a no start.  I try the below commands, first one I get a new line, second one it states there is no such file or directory.  I looked in /dev/ and its not there.  I am trying to back track to see what I missed to get that created.  Any suggestions ? 

Thanks!  Happy New Year to everyone!

Can you reboot & try
sudo dmesg | grep -i parport

[code]sudo ls /dev/par*

[code]lsmod

If you haven't any modules blacklisted parport_pc should load.
[/code][/code]
 

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02 Jan 2022 22:42 #230583 by ALittleOffTheRails
Replied by ALittleOffTheRails on topic Parallel port controller issues, can not find address
What output is Linuxcnc giving when it fails to start ?

What is the output of the following ?
ls /etc/modprobe.d/

So we can safely assume that the parallel port is coming up in the lspci command ?

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