On Sat, 7 Mar 2020, Leonardo Marsaglia wrote:
Date: Sat, 7 Mar 2020 23:26:17 -0300
From: Leonardo Marsaglia <[email protected]>
Reply-To: "Enhanced Machine Controller (EMC)"
<[email protected]>
To: "Enhanced Machine Controller (EMC)" <[email protected]>
Subject: Re: [Emc-users] 6i24 + 7i44 configuration
For now I'm using it via halcmd.
I had really high jitter when I run latency test with Debian Stretch. So I
installed Wheezy with LinuxCNC 2.7.14
I'm running latency test right now with several instances of glxgears
running and I get a max jitter of 70000 ns on servo thread and 79000 on
base thread. But I've only been running it for 10 minutes or so. I plan to
leave like that a couple of hours to see if there's something strange.
The funny thing is, sometimes the board starts working ok and the problem
starts when I stop the thread and try to start it again.
watchdog timeouts would be caused by millisecond delays, a few 100 usec should
not be an issue at 1 KHz.
I dont think there is any point using halcmd for this, I would use a real
LinuxCNC configuration and watch for error messages.
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Peter Wallace
Mesa Electronics
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