On 08/03/2015 07:48 AM, andy pugh wrote:
> On 3 August 2015 at 15:31, lloyd wilson <[email protected]> wrote:
>
>> Anyone have any suggestions about chasing this gremlin?
>
> Have a look in the dmsg log after it happens. There might be a clue there.
>
> I assume you are using some sort of helper hardware? (Pico / Mesa / ? )
>

I'm wondering if setting debug can help.

See "DEBUG = ... " here: 
http://www.linuxcnc.org/docs/html/config/ini_config.html

This is in my .ini file
...
[EMC]
MACHINE = tormach_mill
#DEBUG = 0
# Debug level, 0 means no messages. See src/emc/nml_intf/debugflags.h 
for others
#DEBUG =               0x00000002  # configuration
#DEBUG =               0x7FFFFFFF
#DEBUG =               0x7FFFDEFF  #no interp,oword
#DEBUG =               0x00008000 # py only
#DEBUG =               0x0000E000 # py + remap + Oword
#DEBUG =               0x0000C002 # py + remap + config
DEBUG =                0x0000C100 # py + remap + Interpreter
#DEBUG =               0x0000C140 # py + remap + Interpreter + NML msgs
#DEBUG =               0x0000C040 # py + remap + NML
#DEBUG =               0x0003E100 # py + remap + Interpreter + oword + 
signals + namedparams
#DEBUG =               0x10000000  # EMC_DEBUG_USER1 - trace statements
#DEBUG =               0x20000000  # EMC_DEBUG_USER2 - trap into Python 
debugger
#DEBUG =               0x7FFFFFFF
#DEBUG =               0x10008000 # USER1, PYTHON
#DEBUG =               0x30008000 # USER1,USER2, PYTHON # USER2 will cause 
involute to try to connect to pydev
#DEBUG =                       0x00080000  #EMC_DEBUG_REDIS
#DEBUG = EMC_DEBUG_REMAP
...

The DEBUG without the comment tag # is the active tag. Change to taste.

The debug messages show up in a terminal session, so start LinuxCNC from 
a terminal.

-- 
Kirk Wallace
http://www.wallacecompany.com/machine_shop/
http://www.wallacecompany.com/E45/

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