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  • jor
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20 Jul 2025 16:48

How to install kernel patch? (Moschip 9900)

Category: Installing LinuxCNC

When I boot the computer, lspci -v shows the card, and i can jog the stepper. But after a little bit the stepper stops working and lspci -v shows "(disabled)" next to the ports. The only way I've found to get it working again is to reboot.

I have the windows driver installed (dual boot), do you think that could mess it up on linux somehow? It's just weird that it works and then becomes disabled partway through working, so i figured maybe that patch would help. Unless the patch is outdated and the latest kernel already supports 9900?

Also, when the stepper does jog, it will stop for a split second intermittently, and then soon after show "joint 0 following error". It also shows "unexpected realtime delay on task 0 with period 100000... run latency test and resolve before continuing," I already ran the latency test.
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