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LinuxCNC/Machinekit on i.MX6 board

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15 Dec 2017 11:29 #103132 by andypugh
Replied by andypugh on topic LinuxCNC/Machinekit on i.MX6 board
After the segfault RTAPI will be in a terrible mess with various interdependent modules loaded.
I am afraid that a restart is normally the only solution, though you can _try_ the halrun -U command.

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16 Dec 2017 07:07 #103162 by savoyyang
Replied by savoyyang on topic LinuxCNC/Machinekit on i.MX6 board
I try to run the halmeter alone, but gremlin does not work,and other some single module can ru, some other do not work.
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16 Dec 2017 07:21 #103163 by InMyDarkestHour
Replied by InMyDarkestHour on topic LinuxCNC/Machinekit on i.MX6 board
This may help:

forum.linuxcnc.org/gmoccapy/27238-gmoccapy-python-issue-gtkgl

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17 Dec 2017 15:41 #103220 by savoyyang
Replied by savoyyang on topic LinuxCNC/Machinekit on i.MX6 board
thank you sir.I try it but still have other error.

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17 Dec 2017 15:44 #103221 by savoyyang
Replied by savoyyang on topic LinuxCNC/Machinekit on i.MX6 board
Yesterday I tested not installed xenomai, the use of POSIX non-realtime, and then still install linuxcnc, but there is still segfaulting error, so linuxcnc itself can not direct run on i.mx6, we need to make some changes Caixing it.

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18 Dec 2017 11:52 #103279 by savoyyang
Replied by savoyyang on topic LinuxCNC/Machinekit on i.MX6 board
hey andy, tonight I use git clone add git check to config

> git clone git://github.com/linuxcnc/linuxcnc.git linuxcnc-dev
> git checkout v2.8.0-pre1
> git checkout -b myv2.8.0 v2.8.0-pre1

cd linuxcnc-dev/src
./autogen.sh
./configure --with-realtime=uspace --prefix=/home/linaro/Documents/mybuildcnc/
finally,sim -> axis running successfully in my i.MX6 board.

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18 Dec 2017 11:54 #103280 by andypugh
Replied by andypugh on topic LinuxCNC/Machinekit on i.MX6 board

finally,sim -> axis running successfully in my i.MX6 board.


That's good news.

The question now is, does it still say "Using POSIX non-realtime" or is it now "POSIX realtime"

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18 Dec 2017 11:56 #103281 by savoyyang
Replied by savoyyang on topic LinuxCNC/Machinekit on i.MX6 board
it's "POSIX realtime"

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18 Dec 2017 11:59 #103282 by andypugh
Replied by andypugh on topic LinuxCNC/Machinekit on i.MX6 board
Interesting. After a bit of a look at the code I would have expected "XENOMAI (posix skin)"

github.com/LinuxCNC/linuxcnc/blob/af15a4...pace_xenomai.cc#L171

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26 Dec 2017 07:53 #103622 by savoyyang
Replied by savoyyang on topic LinuxCNC/Machinekit on i.MX6 board
hey andy , toss for some time, Xenoami is up and running, but Linuxcnc seemingly did not seem to call Xenomai normal, because the real-time nature is so bad, look at the figure, so is there any way or message to verify that Xenomai was called correctly?



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  1. LinuxCNC
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