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  • denhen89
  • denhen89's Avatar
18 Feb 2025 14:56

(LPT) Debian 12 Latency spikes/unexpected real time delay. Looking for solution.

Category: General LinuxCNC Questions

Thank you very much for the informative reply.
Update:
I cannot get the latency below 40.000 (3 x glxgears, 3 x youtube video running), so if i set base_period 35000 in the ini file, then i get a unexpected delay on start up, but the machine works well now and does not loose steps.

I have again played arround with the Bios settings for at least 4-5 hours, but something came to mind: The VGA, which is a old Nvidia card. I tested with a other card, a old Geforce card, but about the same result. Unfortunately i dont have a Radeon card to test, but i just ordered a AMD Radeon HD 7450 1GB DDR3 card for about 10€. In 2 days i will be able to test it. If nothing changes to better, then i think i will buy the 7i92T. (thanks for the suggestions)

I will update in 2 days.
Thanks and best regards.
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