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  5. (superseeded) Linuxcnc on Linux Mint 19.3 quick and easy installation

(superseeded) Linuxcnc on Linux Mint 19.3 quick and easy installation

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21 Jun 2020 13:43 #172234 by seuchato
Replied by seuchato on topic (superseeded) Linuxcnc on Linux Mint 19.3 quick and easy installation
worked now here too, maight have been a temprary name resolver problem.

However I still got some warning:
...
dkms: running auto installation service for kernel 5.4.0-0.bpo.4-rt-amd64
   ...done.
/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-5.4.0-0.bpo.4-rt-amd64
W: Possible missing firmware /lib/firmware/i915/tgl_dmc_ver2_04.bin for module i915
W: Possible missing firmware /lib/firmware/i915/skl_guc_33.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/bxt_guc_33.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/kbl_guc_33.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/glk_guc_33.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/kbl_guc_33.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/icl_guc_33.0.0.bin for module i915
/etc/kernel/postinst.d/zz-update-grub:
...

I guess these can be disregarded.

Greez
chris

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21 Jun 2020 13:49 #172236 by tommylight
Replied by tommylight on topic (superseeded) Linuxcnc on Linux Mint 19.3 quick and easy installation
i915 was an Intel chipset with built in graphics in the 2000's so it has no more support in recent kernels. Good, as it had plenty of issues and needed to be blacklisted often for Linux to work.
It is safe to ignore those warnings.
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21 Jun 2020 13:56 - 22 Jun 2020 09:25 #172237 by seuchato
Replied by seuchato on topic (superseeded) Linuxcnc on Linux Mint 19.3 quick and easy installation
Tom, Thanks a ton
Up and running now. I have to say the praising of mint has something to it. Mate is not too far away from KDE at all. have to figure out how to switch to my kbd layot yet, but that is a question of patience and brain juice. I'll manage that.

Greez
chris

Edit: kbd layout was just a piece of cake, start to really like mint
Last edit: 22 Jun 2020 09:25 by seuchato. Reason: typos

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21 Jun 2020 14:57 #172240 by tommylight
Replied by tommylight on topic (superseeded) Linuxcnc on Linux Mint 19.3 quick and easy installation
Nice.
I like Mate as it is the closest thing to Gnome2 .
Gnome3 was and is a ............. insert bad words here! :)

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22 Jun 2020 09:27 #172310 by seuchato
Replied by seuchato on topic (superseeded) Linuxcnc on Linux Mint 19.3 quick and easy installation
I like to use an rt kernel 4.19.0-9-rt-amd64 with mint, as I get realtime delays with kernel 5.4.0-0.bpo.4-rt-amd64. How can I do that?

greez
chris

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22 Jun 2020 09:58 #172314 by seuchato
Replied by seuchato on topic (superseeded) Linuxcnc on Linux Mint 19.3 quick and easy installation

i915 was an Intel chipset with built in graphics in the 2000's so it has no more support in recent kernels. Good, as it had plenty of issues and needed to be blacklisted often for Linux to work.
It is safe to ignore those warnings.

Here are the results of a Lenovo ThinkCentre M93, running for 2 minutes only, with no base thread:
LinuxCNC pc tests, version 20200619-c
...
GPU related data:
product: Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller
configuration: driver=i915 latency=0
...


I am a bit puzzled: i915 seems to be still alive?!

Greez
chris
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22 Jun 2020 10:05 #172316 by tommylight
Replied by tommylight on topic (superseeded) Linuxcnc on Linux Mint 19.3 quick and easy installation
That is not a big issue at all, the overall latency is still good with 5.4 if you want to use software stepping.
If you do not need software stepping ( parallel port) you can ignore the base thread latency issues and use only the servo latency numbers.I'll try to find that kernel a bit later.

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22 Jun 2020 10:06 #172317 by tommylight
Replied by tommylight on topic (superseeded) Linuxcnc on Linux Mint 19.3 quick and easy installation

I am a bit puzzled: i915 seems to be still alive?!

Yup, it seems so, despite all the warnings. Did not notice that, thank you.

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23 Jun 2020 05:29 #172426 by seuchato
Replied by seuchato on topic (superseeded) Linuxcnc on Linux Mint 19.3 quick and easy installation
Tom, do you think the what you have given for Debian Buster could/should work for mint 19.3 too?

greez
chris

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23 Jun 2020 06:40 #172428 by seuchato
Replied by seuchato on topic (superseeded) Linuxcnc on Linux Mint 19.3 quick and easy installation
Tried it, does not work, next will be a try to add a buster repo

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  1. LinuxCNC
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  5. (superseeded) Linuxcnc on Linux Mint 19.3 quick and easy installation
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