mesa card 5i25 kernel error

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11 years 2 weeks ago #63814 by cncbasher
just a small point , make sure your 24v field power is on before you start linuxcnc
it needs to be on before the 5i25 or pc boots . if you are controlling the 24v from linuxcnc then you will get communication error

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11 years 2 weeks ago - 11 years 2 weeks ago #63815 by PCW
Replied by PCW on topic mesa card 5i25 kernel error
Field power needs to be on before LinuxCNC starts (or when sserial run is asserted)

What version of linuxcnc are you running?, this is starting to look like a software bug

I have one other customer that complained of sserial errors when they upgraded from LinuxCNC 2.6 to 2.7

Also you still have latency issues:
Code:
In recent history there were [ 909.302992] 1785490, 2023889, 1677095, 2010834, and 1898449 [ 909.302994] elapsed clocks between calls to the motion controller. [ 909.303006] This time, there were 2074303 which is so anomalously [ 909.303009] large that it probably signifies a problem with your [ 909.303011] realtime configuration. For the rest of this run of [ 909.303013] EMC, this message will be suppressed.

If you are running a 1 KHz thread this is about +- 118 usec ! ( I dont think this is related to the sserial error though )

Can you post your hal and ini files so I can try and duplicate this error here?
Last edit: 11 years 2 weeks ago by PCW.

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11 years 2 weeks ago #63828 by bkt
Replied by bkt on topic mesa card 5i25 kernel error
power supply is on first ... pc after power supply is on.

ubuntu 10.04 linuxcnc 2.6.3

the hal and ini file...

File Attachment:

File Name: K1-encoder-1test.hal
File Size:13.6 KB


File Attachment:

File Name: K1-encoder-1test.ini
File Size:4.08 KB


the actual version of linuxcnc 2.6 is an update of an original version 2.5.

Regards
giorgio

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11 years 2 weeks ago #63835 by PCW
Replied by PCW on topic mesa card 5i25 kernel error
linuxCNC 2.6,?

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11 years 2 weeks ago #63839 by bkt
Replied by bkt on topic mesa card 5i25 kernel error

ubuntu 10.04 linuxcnc 2.6.3

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11 years 2 weeks ago #63841 by PCW
Replied by PCW on topic mesa card 5i25 kernel error
Not sure whats going on but it looks like you have communications working until
the real time thread starts (that is the 7I77 sserial devices were discovered over the serial links
but then the serial links quit working later on)

I wonder if the real time issue is triggering a watchdog bite (this would cause loss of communication)

Can you try setting the watchdog timeout longer (say 50 ms)?

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