Yes, when I re-enable the machine (with or without estop first) I get another 
(immediate) following error.  That is, I understand to make the notification 
itself go away I click the X, but what I am seeing is a perpetual following 
error when re-enabling with each new notification piling up on the lower right 
of Axis display.
-Tom


> On Jun 20, 2017, at 4:03 PM, Todd Zuercher <zuerc...@embarqmail.com> wrote:
> 
> What is strange is that pressing Machine (F2) does not clear the alarm. (That 
> won't close the alarm notification window, you have to click the X on that 
> window to make it go away.)
> 
> ----- Original Message -----
> From: tom-...@bgp.nu
> To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net>
> Sent: Tuesday, June 20, 2017 3:31:42 PM
> Subject: Re: [Emc-users] following error only while homing
> 
> You guys are prolific, and I appreciate it!  Thanks for all the input.
> 
> A few things in case it hasn’t been clear...
> 
> 1)  I don’t (currently) have a PID involved at all (position-mode steppers 
> with encoders only).
> 2)  If I set FERROR=2 and MIN_FERROR=1, homing DOES complete successfully.
> 2) Pressing estop after the following error, and then trying to turn Linuxcnc 
> back on from there does NOT help, the error persists.  Only exiting and 
> restarting Linuxcnc clears it.
> 
> The Halscope trace of:  hm2_7i43.0.stepgen.02.position-cmd,  
> hm2_7i43.0.encoder.02.position,  hm2_7i43.0.encoder.02.index-enable,  
> axis.2.home-sw-in with trigger of axis.2.f-errored can be seen here:
> http://bgp.nu/~tom/pub/enc2.png
> 
> I’m happy to help debug a (even obscure) bug if you want, but it sounds like 
> I’d be better off using velocity mode and PID ANYWAY, and so should probably 
> do that instead of what I have.  To wit...
> 
>> On Jun 20, 2017, at 2:04 PM, Sebastian Kuzminsky <s...@highlab.com> wrote:
>> I just pushed a totally untested experimental branch named 
>> "2.7-hm2-encoder-raw-position", try building that, keep home-to-index, link 
>> the new .raw-position pin to axis.*.motor-pos-fb and let us know how that 
>> works.
> 
> If you DO want me to test this, please remind me how I go about 
> getting/building/running it.  It has been a while since I have grabbed 
> branches.  This machine runs from the standard release model, so I assume I 
> will need to incant git (all of which I tend to forget within a week of using 
> it for some reason)…
> 
> -Tom
> 
> 
>> On Jun 20, 2017, at 2:19 PM, andy pugh <bodge...@gmail.com> wrote:
>> 
>> On 20 June 2017 at 18:47, Sebastian Kuzminsky <s...@highlab.com> wrote:
>> 
>>> It looks like it'd be easy to add a ".raw-position" pin to the hostmot2
>>> encoder.
>> 
>> 
>> Does homing use the accumulated counts in the counter after index as part
>> of the homing offset? It feels like it should.
>> If it does, then this might not work.
>> 
>> 
>> -- 
>> atp
>> "A motorcycle is a bicycle with a pandemonium attachment and is designed
>> for the especial use of mechanical geniuses, daredevils and lunatics."
>> — George Fitch, Atlanta Constitution Newspaper, 1916
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> 
> 
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