updates 2.9 Bookworm

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19 Nov 2023 22:22 #285962 by Serg452
updates 2.9 Bookworm was created by Serg452
Hello,
From which repos can you get updates 2.9-uspace for Bookworm type 2.9.1.xxx before the official releases are released?
or does not exist for Bookworm?

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20 Nov 2023 05:03 #285990 by rodw
Replied by rodw on topic updates 2.9 Bookworm
It has been released. Get it from the linuxcnc downloads page.

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20 Nov 2023 13:02 #286033 by Serg452
Replied by Serg452 on topic updates 2.9 Bookworm
 
 
You did not understand me, for the buster I can get the update 2.9.1.40 today, can I get the same for bookworm?
Attachments:

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20 Nov 2023 19:29 #286087 by dpslwk

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20 Nov 2023 23:00 #286109 by Serg452
Replied by Serg452 on topic updates 2.9 Bookworm
thanks, but I see in the repo clean 2.9.1

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20 Nov 2023 23:08 #286111 by rodw
Replied by rodw on topic updates 2.9 Bookworm
Good luck using 2.9.1 on buster. I would recommend upgrading to bookworm using the ISO on th edownloads page.
I have not used Buster for 3 or so years...

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20 Nov 2023 23:56 #286118 by Serg452
Replied by Serg452 on topic updates 2.9 Bookworm
now I have a buster on one machine, on another bookworm. latency 2 times in favor of the buster. Motherboards and the rest are the same. dealing with settings...

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14 Dec 2023 03:43 #288093 by Lcvette
Replied by Lcvette on topic updates 2.9 Bookworm
I wish the bookworm latency issues would get dialed in and sorted, seems it keeps getting worse and worse with each new kernel release. the latest (6.1.0-15) was awful, I had to revert back to 6.1.0-13 because the machine wanted to shake itself apart when I tried to home and it started popping up latency warnings. what a mess! seems like someone could identify the issues and iron them out, i imagine many folks, myself included would be grateful to get the latency we were seeing back in debian stretch.

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14 Dec 2023 05:26 #288096 by rodw
Replied by rodw on topic updates 2.9 Bookworm
Version 6.1.67-rt20 of the real time kernel was released today but it will take a while before it is available in Debian (if at all)

Brief instructions to install mentioned with the release
Or to build 6.1.67-rt20 directly, the following patches should be applied:

   www.kernel.org/pub/linux/kernel/v6.x/linux-6.1.tar.xz

   www.kernel.org/pub/linux/kernel/v6.x/patch-6.1.67.xz

   www.kernel.org/pub/linux/kernel/projects...6.1.67-rt20.patch.xz

 

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14 Dec 2023 07:37 - 14 Dec 2023 07:48 #288108 by Mecanix
Replied by Mecanix on topic updates 2.9 Bookworm

I wish the bookworm latency issues would get dialed in and sorted.
 

I've managed to dial my latency down to +/-0.04ms with ethtool. Contrary to the infamous hardware-irq-coalesce-rx−usecs 0 documented (this 0 didn't worked for me, made things worst in fact), some tuning/testing is required. 

Using ethtool --coalesce
$ sudo apt install ethtool
$ sudo ethtool -c eth0
( take notes of your rx-usecs and tx-usecs defaults. Mine were 100 and 1000 respectively)
( start Linuxcnc and have it connected to the card)
( Time to dial/tune)

$ sudo ethtool -C eth0 rx-usecs 50
$ sudo ethtool -C eth0 tx-usecs 500
$ ping ip.ip.ip.ip
....
$ sudo ethtool -C eth0 rx-usecs 25
$ sudo ethtool -C eth0 tx-usecs 250
$ ping ip.ip.ip.ip
....
( Repeat tuning until you get satisfactory latency and no lcnc task/axis pos errors, etc. )
( Once everyone's happy, save those in your interface conf. )

$ sudo nano /etc/network/interfaces

***********************************************
      # The loopback network interface
      auto lo
      iface lo inet loopback

      auto eth0
      iface eth0 inet static
      (... ... static address stuff)
      hardware-irq-coalesce-rx−usecs 25
      hardware-irq-coalesce-tx−usecs 250
***********************************************

$ sudo systemctl restart networking
Last edit: 14 Dec 2023 07:48 by Mecanix.
The following user(s) said Thank You: rodw, Lcvette

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