Re: [Emc-users] Following Error with Steppers

2013-10-04 Thread Chris Morley


 Date: Thu, 3 Oct 2013 16:20:51 +0200
 From: mar...@mastercut.co.za
 To: emc-users@lists.sourceforge.net
 Subject: Re: [Emc-users] Following Error with Steppers
 
 Chris
 This is a very old bug that has been reported several times. At least 
 once by myself. It is still in all the latest code on master. We just 
 delete these lines each time. :)
 
 On 2013/10/03 04:43 AM, Chris Morley wrote:
 
  From: bodge...@gmail.com
  Date: Wed, 2 Oct 2013 18:47:08 +0100
  To: emc-users@lists.sourceforge.net
  Subject: Re: [Emc-users] Following Error with Steppers
 
  On 2 October 2013 18:26, Russell Brown russ...@lls.lls.com wrote:
 
   loadrt abs names=
   loadrt lowpass names=
  This is a stepfconf bug. I can't recall what prompts it. I thought it
  was fixed. (it tries to load a bunch of components with blank names,
  and then their pin names collide)
 
  Pncconf bug -but is probably fixed. what version was this made with?
 

Ok I think it's really fix this time. seems asking for a gladeVCP sample panel
but without a spindle speed display set it off.
Sorry It took so long - I thought I fixed it...musta been busy with Gscreen.

I also did some other work mostly related to spindle command signals.

Please test if you can and report bugs (this fix is in master)

Chris M

  
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Re: [Emc-users] additional special thread

2013-10-04 Thread Rudy du Preez
I have tried in version 2.5.3 to create a special realtime thread using the
threads component with loadrt threads name1=sio-thread period1=104200 and
am having some problems.
In some cases (depending on the period) linuxcnc wont start up and gives an
error message not permitted.

I would like to have two threads: servo-thread at the usual 100 ns
period and a new thread say sio-thread at 104200 ns. Why does it not want to
allow it?

Rudy


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Re: [Emc-users] Following Error with Steppers

2013-10-04 Thread Marius Liebenberg
Chris
It seems that the erronous lines are gone but I just realized that I 
cannot change the location where the files are generated to. I was 
running form a dev RIP and the files where created in the production 
directory. Would it not be better if one could place the generated 
config in the RIP directory that you are working in?
On 2013/10/04 08:06 AM, Chris Morley wrote:

 Date: Thu, 3 Oct 2013 16:20:51 +0200
 From: mar...@mastercut.co.za
 To: emc-users@lists.sourceforge.net
 Subject: Re: [Emc-users] Following Error with Steppers

 Chris
 This is a very old bug that has been reported several times. At least
 once by myself. It is still in all the latest code on master. We just
 delete these lines each time. :)

 On 2013/10/03 04:43 AM, Chris Morley wrote:
 From: bodge...@gmail.com
 Date: Wed, 2 Oct 2013 18:47:08 +0100
 To: emc-users@lists.sourceforge.net
 Subject: Re: [Emc-users] Following Error with Steppers

 On 2 October 2013 18:26, Russell Brown russ...@lls.lls.com wrote:

   loadrt abs names=
   loadrt lowpass names=
 This is a stepfconf bug. I can't recall what prompts it. I thought it
 was fixed. (it tries to load a bunch of components with blank names,
 and then their pin names collide)

 Pncconf bug -but is probably fixed. what version was this made with?

 Ok I think it's really fix this time. seems asking for a gladeVCP sample panel
 but without a spindle speed display set it off.
 Sorry It took so long - I thought I fixed it...musta been busy with Gscreen.

 I also did some other work mostly related to spindle command signals.

 Please test if you can and report bugs (this fix is in master)

 Chris M

   
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Re: [Emc-users] additional special thread

2013-10-04 Thread andy pugh
On 4 October 2013 08:12, Rudy du Preez r...@asmsa.co.za wrote:

 I would like to have two threads: servo-thread at the usual 100 ns
 period and a new thread say sio-thread at 104200 ns. Why does it not want to
 allow it?

I think that the threads have to be created in order fastest to
slowest. And then the slower threads are integer multiples of the
faster.
So, you will need to create your special thread earlier in the HAL
file than the servo thread.

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Re: [Emc-users] Following Error with Steppers

2013-10-04 Thread Russell Brown
Quoth Chris Morley.

  On 2 October 2013 18:26, Russell Brown russ...@lls.lls.com wrote:
 
   loadrt abs names=
   loadrt lowpass names=

Ok I think it's really fix this time. seems asking for a gladeVCP sample panel
but without a spindle speed display set it off.

Please test if you can and report bugs (this fix is in master)

I can confirm that when using the Mesa_Mill.pncconf file (that generated
the problem in previous versions), the current version in master (pulled
this AM) does not generate the above problem.

That's the good news.

The bad news is that the config generated fails to run (in 2.5.3) with:

Mesa_Mill.hal:124: Pin 'motion.spindle-speed-out-rps-abs' does not exist

:-(

If it's any help, I've stuck the offending .pncconf file here:

http://ruffle.me.uk/cnc/Mesa_Mill.pncconf



PS - Might I suggest that the displayed version of PnCConf be
incremented by a tad?  a modest Beta 1.1 on the title bar or somesuch
would make sense.

-- 
 Regards,
 Russell
 
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| Lady Lodge Systems | WWW Work: http://www.lls.com  |
| Peterborough, England  | WWW Play: http://www.ruffle.me.uk |
 

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Re: [Emc-users] Following Error with Steppers

2013-10-04 Thread David Armstrong
On 04/10/13 11:19, Russell Brown wrote:
 Quoth Chris Morley.
 On 2 October 2013 18:26, Russell Brown russ...@lls.lls.com wrote:

   loadrt abs names=
   loadrt lowpass names=
 Ok I think it's really fix this time. seems asking for a gladeVCP sample 
 panel
 but without a spindle speed display set it off.

 Please test if you can and report bugs (this fix is in master)
 I can confirm that when using the Mesa_Mill.pncconf file (that generated
 the problem in previous versions), the current version in master (pulled
 this AM) does not generate the above problem.

 That's the good news.

 The bad news is that the config generated fails to run (in 2.5.3) with:

 Mesa_Mill.hal:124: Pin 'motion.spindle-speed-out-rps-abs' does not exist

 :-(

 If it's any help, I've stuck the offending .pncconf file here:

 http://ruffle.me.uk/cnc/Mesa_Mill.pncconf



 PS - Might I suggest that the displayed version of PnCConf be
 incremented by a tad?  a modest Beta 1.1 on the title bar or somesuch
 would make sense.

Russell
i believe it's just a typo or a change of name etc
i think that particular line should be  net spindle-vel-cmd-rps =  
motion.spindle-speed-out-rps

can you post your hal file , that will have more information

Dave

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Re: [Emc-users] server under attack?

2013-10-04 Thread Erik Christiansen
On 04.10.13 00:00, Gene Heskett wrote:
 I was just doing an update to my shop machines, running 2.5.3, and noted it 
 was rather slow, as in very slow, 20kb/sec.  Normally I get about 380k/sec 
 from here.
 
 Is the server under attack?

Gene, what did top and iotop show? When one of my machines gums up, it's
always been due to the expected disk or cpu thrashing. One culprit was
firefox hogging cpu insanely on one particular website, another was jpg
to ps conversion of a document scan using 97% cpu for a remarkable
amount of time.

If you're updating a lot of stuff, then the package install scripts
could hammer the cpu quite a bit before the next package can be
digested. If hundreds of MB also need to be written to disk, the traffic
jam just worsens. (OK, you know that ... but top and iotop are good for
easing paranoia, I've found.)

One way to remove the concern could be to just fetch the packages
(apt-get --download-only), then install them after disconnecting the
outside world. (I tend to use dpkg for that, but that's just habit.)

Erik

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Re: [Emc-users] Following Error with Steppers

2013-10-04 Thread Russell Brown
Quoth Chris Morley.

 From: russ...@lls.lls.com
 ...  I just changed the INI file as I had with the
 vanilla parallel port setup and as the docs suggest was normal practise
 after generating the initial config.

Where in the docs did you see this? It is normal but we should mention
the problem you have encountered (needing to adjust both)

Sixth para of:

http://linuxcnc.org/docs/html/config/pncconf.html

which I admit doesn't say just change the INI file :-)

I'm sure I've seen the use {step,pnc}conf to get you going then tinker
with the generated files concept in several other places during my
brief journey with Linuxcnc.  

For me as a neophyte, having mucked about with a standard Parallel port
setup by changing the INI file, it didn't occur to me to examine the HAL
file for velocity type tweakery when I installed the Mesa card.

Mea Culpa but I'm sure I won't be the only one (although this faux pas
has been avoided in the next release anyway).



PS - Chris:  I'm not complaining about PnCConf in any way.  It's a
terrific tool to get one off the ground in what is a sometimes steep
learning curve.  Many thanks for your efforts.

-- 
 Regards,
 Russell
 
| Russell Brown  | MAIL: russ...@lls.com PHONE: 01780 471800 |
| Lady Lodge Systems | WWW Work: http://www.lls.com  |
| Peterborough, England  | WWW Play: http://www.ruffle.me.uk |
 

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Re: [Emc-users] Following Error with Steppers

2013-10-04 Thread Russell Brown
Quoth David Armstrong.
On 04/10/13 11:19, Russell Brown wrote:

 The bad news is that the config generated fails to run (in 2.5.3) with:
 Mesa_Mill.hal:124: Pin 'motion.spindle-speed-out-rps-abs' does not exist

i believe it's just a typo or a change of name etc
i think that particular line should be  net spindle-vel-cmd-rps =  
motion.spindle-speed-out-rps

can you post your hal file , that will have more information

http://ruffle.me.uk/cnc/Mesa_Mill.pncconf

...used to generate:

http://ruffle.me.uk/cnc/Mesa_Mill.hal
http://ruffle.me.uk/cnc/Mesa_Mill.ini

using pncconf from master pulled this AM.

-- 
 Regards,
 Russell
 
| Russell Brown  | MAIL: russ...@lls.com PHONE: 01780 471800 |
| Lady Lodge Systems | WWW Work: http://www.lls.com  |
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Re: [Emc-users] Following Error with Steppers

2013-10-04 Thread David Armstrong
On 04/10/13 12:16, Russell Brown wrote:
 Quoth David Armstrong.
 On 04/10/13 11:19, Russell Brown wrote:
 The bad news is that the config generated fails to run (in 2.5.3) with:
 Mesa_Mill.hal:124: Pin 'motion.spindle-speed-out-rps-abs' does not exist
 i believe it's just a typo or a change of name etc
 i think that particular line should be  net spindle-vel-cmd-rps =
 motion.spindle-speed-out-rps

 can you post your hal file , that will have more information
 http://ruffle.me.uk/cnc/Mesa_Mill.pncconf

 ...used to generate:

 http://ruffle.me.uk/cnc/Mesa_Mill.hal
 http://ruffle.me.uk/cnc/Mesa_Mill.ini

 using pncconf from master pulled this AM.

your not use the abs component in your spindle so just comment out

net spindle-vel-cmd-rps-abs=  motion.spindle-speed-out-rps-abs
and probably another error will popup being
net spindle-vel-cmd-rpm-abs=  motion.spindle-speed-out-abs

are you using an encoder on your spindle ?







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Re: [Emc-users] Following Error with Steppers

2013-10-04 Thread andy pugh
On 4 October 2013 11:19, Russell Brown russ...@lls.lls.com wrote:

 Mesa_Mill.hal:124: Pin 'motion.spindle-speed-out-rps-abs' does not exist

The pin was added in this commit:
http://git.linuxcnc.org/gitweb?p=linuxcnc.git;a=commit;h=71f6326a9e2585122856a77619dfeae193a61d5d

Which isn't in 2.5.3.
I think the problem is a miss-match between the pncconf version and
the LinuxCNC version. I am not sure if they should be tied quite so
closely to each other.


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Re: [Emc-users] Following Error with Steppers

2013-10-04 Thread Russell Brown
Quoth David Armstrong.
On 04/10/13 12:16, Russell Brown wrote:
 Quoth David Armstrong.
 On 04/10/13 11:19, Russell Brown wrote:
 The bad news is that the config generated fails to run (in 2.5.3) with:
 Mesa_Mill.hal:124: Pin 'motion.spindle-speed-out-rps-abs' does not exist
 i believe it's just a typo or a change of name etc
 i think that particular line should be  net spindle-vel-cmd-rps =
 motion.spindle-speed-out-rps

your not use the abs component in your spindle so just comment out

Sorry there's a misunderstanding here.

The .pncconf is just one that I was playing around with that originally
generated a HAL file with loadrt ab names= that caused a problem.

As Chris requested, I tried his updated PnCConf from master to check
that the above had been fixed (it had).

However the self same .pncconf and PnCConf from master generated the
above new issue.

Yes I can comment out the offending line but I thought I'd report it so
that Chris can fix the problem.

BTW - the .pncconf file in question isn't 'real' (it was generated by
uninformed clickery in the release PncConf!).  It's just the one I knew
triggered the original issue in the release PnCConf.

-- 
 Regards,
 Russell
 
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Re: [Emc-users] Following Error with Steppers

2013-10-04 Thread Russell Brown
Quoth andy pugh.
On 4 October 2013 11:19, Russell Brown russ...@lls.lls.com wrote:

 Mesa_Mill.hal:124: Pin 'motion.spindle-speed-out-rps-abs' does not exist

The pin was added in this commit:
http://git.linuxcnc.org/gitweb?p=linuxcnc.git;a=commit;h=71f6326a9e2585122856a77619dfeae193a61d5d

Which isn't in 2.5.3.
I think the problem is a miss-match between the pncconf version and
the LinuxCNC version. I am not sure if they should be tied quite so
closely to each other.

Ah.  OK as you were.  Yes the generated config doesn't produce an error
when run with 2.6.0~pre.

-- 
 Regards,
 Russell
 
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Re: [Emc-users] Following Error with Steppers

2013-10-04 Thread Marius Liebenberg
Unless you are in the /bin directory of your dev/master repository, and 
you invoke pncconf from the terminal, you will actually run the 2.5.3 
production pncconf.
I did run the master pncconf and it does not create the two lines.

On 2013/10/04 02:07 PM, Russell Brown wrote:
 Quoth David Armstrong.
 On 04/10/13 12:16, Russell Brown wrote:
 Quoth David Armstrong.
 On 04/10/13 11:19, Russell Brown wrote:
 The bad news is that the config generated fails to run (in 2.5.3) with:
 Mesa_Mill.hal:124: Pin 'motion.spindle-speed-out-rps-abs' does not exist
 i believe it's just a typo or a change of name etc
 i think that particular line should be  net spindle-vel-cmd-rps =
 motion.spindle-speed-out-rps
 your not use the abs component in your spindle so just comment out
 Sorry there's a misunderstanding here.

 The .pncconf is just one that I was playing around with that originally
 generated a HAL file with loadrt ab names= that caused a problem.

 As Chris requested, I tried his updated PnCConf from master to check
 that the above had been fixed (it had).

 However the self same .pncconf and PnCConf from master generated the
 above new issue.

 Yes I can comment out the offending line but I thought I'd report it so
 that Chris can fix the problem.

 BTW - the .pncconf file in question isn't 'real' (it was generated by
 uninformed clickery in the release PncConf!).  It's just the one I knew
 triggered the original issue in the release PnCConf.


-- 
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Re: [Emc-users] server under attack?

2013-10-04 Thread Gene Heskett
On Friday 04 October 2013 10:39:42 Erik Christiansen did opine:

 On 04.10.13 00:00, Gene Heskett wrote:
  I was just doing an update to my shop machines, running 2.5.3, and
  noted it was rather slow, as in very slow, 20kb/sec.  Normally I get
  about 380k/sec from here.
  
  Is the server under attack?
 
 Gene, what did top and iotop show? When one of my machines gums up, it's
 always been due to the expected disk or cpu thrashing. One culprit was
 firefox hogging cpu insanely on one particular website, another was jpg
 to ps conversion of a document scan using 97% cpu for a remarkable
 amount of time.
 
 If you're updating a lot of stuff, then the package install scripts
 could hammer the cpu quite a bit before the next package can be
 digested. If hundreds of MB also need to be written to disk, the traffic
 jam just worsens. (OK, you know that ... but top and iotop are good for
 easing paranoia, I've found.)
 
 One way to remove the concern could be to just fetch the packages
 (apt-get --download-only), then install them after disconnecting the
 outside world. (I tend to use dpkg for that, but that's just habit.)
 
 Erik

I didn't actually check Erik, only one term open on the shop machines, 
other than a glance at the gkrellm display on this machine, which did not 
show a significant load on any of the 4 cores in this phenom when I did the 
first update-manager run on this machine, finishing about 5 minutes ahead 
of starting it on the other two machines in sequence over ssh -Y 
connections.  It was slow for all 3 machines.  update-manager was reporting 
from 19kb up to an occasional shot above 30kb, but was showing normal 
speeds for the stuff coming from the ubuntu repos, normal here being just 
shy of 400kb.

So, based on the waddle  quack, I called it a duck. ;-)

Cheers, Gene
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 soap, ballot, jury, and ammo. Please use in that order.
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Are you sure you're not an encyclopedia salesman?
No, Ma'am.  Just a burglar, come to ransack the flat.
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Re: [Emc-users] What does these do?

2013-10-04 Thread Sven Wesley
2013/10/3 Sven Wesley svenne.d...@gmail.com


 2013/10/3 Dave Cole linuxcncro...@gmail.com

 Probably braking resistors for the spindle.   The resistors are
 connected across the 3 phases of the motor to bring the motor to a rapid
 stop.

 Looks like they are wired in a Wye or Star connection..One center
 connection and the three phases which probably connect to a contactor
 which is connected across the motor during rapid braking.

 Dave


 I got an answer from a service company that is specialized on these
machines. They are braking resistors for the servo's, that's why there are
nine of them (three for each motor). You were close Dave. :)
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[Emc-users] Yet another board possibly suitable for LCNC.

2013-10-04 Thread Gregg Eshelman
The Intel Galileo, with Mini PCIe slot and Arduino shield pin headers. 
400Mhz Quark SoC with 256MB RAM etc. Programmable with the standard 
Arduino IDE, is running Yocto Linux so that should be changeable.

http://hackaday.com/2013/10/03/the-intel-powered-arduino/

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Re: [Emc-users] Yet another board possibly suitable for LCNC.

2013-10-04 Thread andy pugh
On 5 October 2013 00:03, Gregg Eshelman g_ala...@yahoo.com wrote:
 The Intel Galileo, with Mini PCIe slot and Arduino shield pin headers.
 400Mhz Quark SoC with 256MB RAM etc. Programmable with the standard
 Arduino IDE, is running Yocto Linux so that should be changeable.

I am wondering when my Udoo will arrive.

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Re: [Emc-users] Following Error with Steppers

2013-10-04 Thread Chris Morley


 From: russ...@lls.lls.com
 To: emc-users@lists.sourceforge.net
 Date: Fri, 4 Oct 2013 13:46:29 +0100
 Subject: Re: [Emc-users] Following Error with Steppers
 
 Quoth andy pugh.
 On 4 October 2013 11:19, Russell Brown russ...@lls.lls.com wrote:
 
  Mesa_Mill.hal:124: Pin 'motion.spindle-speed-out-rps-abs' does not exist
 
 The pin was added in this commit:
 http://git.linuxcnc.org/gitweb?p=linuxcnc.git;a=commit;h=71f6326a9e2585122856a77619dfeae193a61d5d
 
 Which isn't in 2.5.3.
 I think the problem is a miss-match between the pncconf version and
 the LinuxCNC version. I am not sure if they should be tied quite so
 closely to each other.
 
 Ah.  OK as you were.  Yes the generated config doesn't produce an error
 when run with 2.6.0~pre.
 
 -- 
  Regards,
  Russell

Yes as you discovered there are some master-only pins.
I will cherry pick the relevant changes to 2.5.3 soon.

Thanks for testing.
  
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Re: [Emc-users] Following Error with Steppers

2013-10-04 Thread Chris Morley


 Date: Fri, 4 Oct 2013 11:25:22 +0200
 From: mar...@mastercut.co.za
 To: emc-users@lists.sourceforge.net
 Subject: Re: [Emc-users] Following Error with Steppers
 
 Chris
 It seems that the erronous lines are gone but I just realized that I 
 cannot change the location where the files are generated to. I was 
 running form a dev RIP and the files where created in the production 
 directory. Would it not be better if one could place the generated 
 config in the RIP directory that you are working in?


The thought is that PNCconf puts them in your personal config location.
(~/linuxcnc/configs/) is they are relatively safe and in one location.

Aside from developers or power users, I didn't expect anyone to be running
2 different versions of linuxcnc on a system.

I am open to ideas about it.
selectable folder location?
I am a wondering if it starts to get easy to lose where stuff is...

Chris M


  
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Re: [Emc-users] Following Error with Steppers

2013-10-04 Thread Chris Morley

 Where in the docs did you see this? It is normal but we should mention
 the problem you have encountered (needing to adjust both)
 
 Sixth para of:
 
 http://linuxcnc.org/docs/html/config/pncconf.html
 
 which I admit doesn't say just change the INI file :-)
 
 I'm sure I've seen the use {step,pnc}conf to get you going then tinker
 with the generated files concept in several other places during my
 brief journey with Linuxcnc.  

Yes that is promoted. Maybe I should add a chapter about hand editing
PNCconf files...

 
 For me as a neophyte, having mucked about with a standard Parallel port
 setup by changing the INI file, it didn't occur to me to examine the HAL
 file for velocity type tweakery when I installed the Mesa card.
 
 Mea Culpa but I'm sure I won't be the only one (although this faux pas
 has been avoided in the next release anyway).

Yes there maybe more in-file comments that would help if added.
One of the biggest problems I have now is I am so familiar with everything
that writing docs for newcomers is difficult for me.
As a fellow just jumping, in I am interested in your comments concerning
what would help or what was miss leading in the docs or in PNCconf.
Just as you have done.

 
 
 
 PS - Chris:  I'm not complaining about PnCConf in any way.  It's a
 terrific tool to get one off the ground in what is a sometimes steep
 learning curve.  Many thanks for your efforts.
 

Thanks for that. Some times I think PNCconf is linuxcnc's red hair stepchild.
I think most Devs underestimate the importance of what it is trying to achieve.
But just about when I'm ready to remove it from linuxcnc someone mentions
it was very helpful :)

Chris M
  
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