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Home Forum Getting LinuxCNC Installing LinuxCNC RTAPI error?

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TOPIC: RTAPI error?

Re:RTAPI error? 17 Okt 2011 13:43 #13995

  • alexr
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I am not sure andy

where should i be looking for that ini file? and on that note if you need any other information... tell me how and where and its yours to scrutinize.

my system is now ridiculously fast following the isolcpus tutorial!!! I get about 12000 doing my best stress test as compared to 5000 which was moving a window around and letting the screen saver go because that is the most stress this operator console gets.

But it didnt help with the RTAPI errors and i was working on the assumption of less then 30,000 is "functional". I have never had the other figures in the millions before... even on the roll my own kernels.
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Re:RTAPI error? 17 Okt 2011 14:07 #13996

  • BigJohnT
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Take a look here.

www.linuxcnc.org/docview/html/config_ini...%5BEMCMOT%5D-section

John
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Re:RTAPI error? 17 Okt 2011 14:27 #13998

  • andypugh
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alexr wrote:
But it didnt help with the RTAPI errors and i was working on the assumption of less then 30,000 is "functional". I have never had the other figures in the millions before... even on the roll my own kernels.

Maybe I am reading the figures you posted wrong, but my interpretation is that you asked for a 1,000,000nS servo thread, and the worst-case jitter on that is 5009nS and the last servo period was 998450, ie 1550nS shorter than requested.
I don't think that 998450 is a jitter number.
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Re:RTAPI error? 18 Okt 2011 02:20 #14009

  • alexr
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sorry i was meaning in base thread ... and yes i gave you servo thread details.

my bad!

on an interesting note; the emc2 2.4 package and emc2 -dev packages have shown up in synaptic as an {!} instead of a green box

i found this out after all i got was an error report after restarting the console

i wonder what happens when i upgrade/reinstall?!
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Re:RTAPI error? 18 Okt 2011 02:23 #14010

  • alexr
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it was working and giving the report no longer then 10 hours ago
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Re:RTAPI error? 18 Okt 2011 02:32 #14011

  • alexr
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i found the *.INI file and this is the detail

[EMCMOT]
EMCMOT = motmod
COMM_TIMEOUT = 1.0
COMM_WAIT = 0.010
BASE_PERIOD = 100000
SERVO_PERIOD = 1000000

so should i change base and servo values?
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