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LinuxCNC on Linux Mint 20 quick and nearly easy install

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5 years 8 months ago #199640 by MarcoGaspar
Replied by MarcoGaspar on topic LinuxCNC on Linux Mint 20 quick and nearly easy install
Hello,

Thanks for the 5* post :D

I installed mint 20 following this post steps and it's all working (linuxcnc).

The only thing i can't do is setting a higher resolution for my monitor on RT kernel how can i add more resolutions?

Best Regards,
Marco Gaspar
The following user(s) said Thank You: tommylight

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5 years 8 months ago #199648 by tommylight
Replied by tommylight on topic LinuxCNC on Linux Mint 20 quick and nearly easy install
What does
xrandr
in a terminal say ?
www.youtube.com/@toma.cnc1
www.youtube.com/@toma.3d
www.youtube.com/@tomapc

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5 years 8 months ago - 5 years 8 months ago #199651 by MarcoGaspar
Replied by MarcoGaspar on topic LinuxCNC on Linux Mint 20 quick and nearly easy install
xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 640 x 480, current 640 x 480, maximum 640 x 480
default connected primary 640x480+0+0 0mm x 0mm
640x480 73.00*

cvt 1920 1080 60
# 1920x1080 59.96 Hz (CVT 2.07M9) hsync: 67.16 kHz; pclk: 173.00 MHz
Modeline "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync


xrandr --addmode default 1920x1080_60.00
xrandr: Failed to get size of gamma for output default
xrandr: cannot find mode "1920x1080_60.00"
Last edit: 5 years 8 months ago by MarcoGaspar. Reason: Adding

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5 years 8 months ago #199658 by tommylight
Replied by tommylight on topic LinuxCNC on Linux Mint 20 quick and nearly easy install
Something very screwy there, no graphic anything! :S
What graphic card?
Here is what i get:
Code:
cnc@X570:~$ xrandr Screen 0: minimum 320 x 200, current 2560 x 1440, maximum 16384 x 16384 DisplayPort-0 disconnected primary (normal left inverted right x axis y axis) DisplayPort-1 disconnected (normal left inverted right x axis y axis) HDMI-A-0 connected 2560x1440+0+0 (normal left inverted right x axis y axis) 708mm x 399mm 2560x1440 59.95*+ 69.93 1920x1200 59.95 1920x1080 60.00 50.00 59.94 1600x1200 60.00 1680x1050 59.88 1600x900 60.00 1280x1024 60.02 1440x900 59.90 1280x800 59.95 1280x720 60.00 50.00 59.94 1024x768 60.00 800x600 60.32 720x576 50.00 720x480 60.00 59.94 640x480 60.00 59.94 720x400 70.08 HDMI-A-1 disconnected (normal left inverted right x axis y axis) DVI-D-0 disconnected (normal left inverted right x axis y axis) cnc@X570:~$
www.youtube.com/@toma.cnc1
www.youtube.com/@toma.3d
www.youtube.com/@tomapc

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5 years 8 months ago #199661 by MarcoGaspar
Replied by MarcoGaspar on topic LinuxCNC on Linux Mint 20 quick and nearly easy install
Onboard

www.gigabyte.com/Motherboard/H310M-DS2-rev-10/sp#sp

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5 years 8 months ago #199668 by tommylight
Replied by tommylight on topic LinuxCNC on Linux Mint 20 quick and nearly easy install
In general, if something is not working on Linux Mint i blame the hardware ! :)
Can you try to boot with the generic kernel and check if that works?
I am aware that RTAI kernel caused low resolution on some PC's but it was at least 1024x768, never had issues with RT-Preempt on any PC, and i have 3 of them and 3 laptops on this desk only, more in the shop.
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www.youtube.com/@toma.3d
www.youtube.com/@tomapc

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