RTAI 5.3.3 Beta release for LinuxCNC (Needs testing, esp on Intel)

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Bari
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01 Nov 2022 15:40 #255670 by Bari

RTAI 5.3.3 Beta release for LinuxCNC (Needs testing, esp on Intel) was created by Bari

The RTAI dev is working on kernel 5.4 RTAI packages for Debian Bullseye soon, and wants to test these changes on different hardware before it rolls out. Please test rebooting and shutdown.

ACPI power states have been removed, this should improve performance but may require holding power button down after the system is halted as software shutdown may not work properly.

Is this a problem for anyone and is software shutdown required?

Debian packages:

github.com/NTULINUX/RTAI/releases/tag/v5.3.3-beta

To test LinuxCNC against it, you have to build from source for now:

cd linuxcnc-git-tree/src
./autogen.sh
./configure --enable-non-distributable
make
sudo make setuid
cd ..
. ./scripts/rip-environment

Then:

latency-histogram

Or:

linuxcnc

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andypugh
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01 Nov 2022 23:47 #255713 by andypugh

Replied by andypugh on topic RTAI 5.3.3 Beta release for LinuxCNC (Needs testing, esp on Intel)

Bari wrote:
ACPI power states have been removed, this should improve performance but may require holding power button down after the system is halted as software shutdown may not work properly.

Is this a problem for anyone and is software shutdown required?

When I first started using LinuxCNC the RTAI kernel did not support software shutdown. And it was annoying. Especially as my mill doesn't have a power-down button. (It has a switch which turns on a PSU which closes a relay, then that relay is kept closed by motherboard USB power, which is turned off by software shutdown.

So, if we can have software power-down I would encourage it.

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NTULINUX
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03 Nov 2022 23:11 #255876 by NTULINUX

Replied by NTULINUX on topic RTAI 5.3.3 Beta release for LinuxCNC (Needs testing, esp on Intel)

OK, I will add power states back in. The very next step is RTAI kernel 5.4 Debian packages, just want to make sure these changes work for other people so I'm not changing too much at once.

Cheers!

The following user(s) said Thank You: arvidb, tommylight, fletch

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tommylight
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04 Nov 2022 00:46 #255884 by tommylight

Replied by tommylight on topic RTAI 5.3.3 Beta release for LinuxCNC (Needs testing, esp on Intel)

A single post and two thank you's, that's a first!

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Bari
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04 Nov 2022 06:34 #255889 by Bari

Replied by Bari on topic RTAI 5.3.3 Beta release for LinuxCNC (Needs testing, esp on Intel)

The RTAI dev ^^^

The following user(s) said Thank You: tommylight

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tommylight
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04 Nov 2022 10:10 #255893 by tommylight

Replied by tommylight on topic RTAI 5.3.3 Beta release for LinuxCNC (Needs testing, esp on Intel)

Bari wrote:
The RTAI dev ^^^

I was sure he is!

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