#linuxcnc-devel | Logs for 2016-03-10

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[00:52:42] <jepler> of course not
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[04:25:27] <cmorley> bug in the new trajectory planner? https://forum.linuxcnc.org/forum/38-general-linuxcnc-questions/30541-jerk-after-plunge-move-with-spindle-on?limitstart=0
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[06:41:48] <KGB-linuxcnc> 03Chris Morley 052.7 dbbd343 06linuxcnc 10src/emc/usr_intf/pncconf/build_INI.py pncconf: fix halui cmnds error * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=dbbd343
[06:41:48] <KGB-linuxcnc> 03Chris Morley 052.7 c1883d8 06linuxcnc 10src/emc/usr_intf/pncconf/pncconf.py pncconf: fix user created stepper names error. * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=c1883d8
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[09:06:54] <skunksleep> cmorley: I can goof around with it tomorrow but it sound
[09:09:54] <skunksleep> Like the issue with not knowing if the segment is the last segment. (So the TP falls back to 1 segment look ahead)
[09:09:54] <skunksleep> Because of que busters
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[12:46:57] <skunkworks> zlog
[12:46:57] <zlog> skunkworks: Log stored at http://tom-itx.no-ip.biz:81/~tom-itx/irc/logs/%23linuxcnc-devel/2016-03-10.html
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[14:24:23] -linuxcnc-github:#linuxcnc-devel- [13linuxcnc] 15samcoinc opened issue #45: ja: Command isn't tracking feedback in machine-off 02https://github.com/LinuxCNC/linuxcnc/issues/45
[14:24:41] <jepler> skunkworks: welcome to github
[14:24:58] <skunkworks> :) it was bound to happen
[14:27:36] <KGB-linuxcnc> 03Dewey Garrett 05joints_axes12 e993e7f 06linuxcnc 10src/emc/usr_intf/axis/scripts/axis.py axis.py make sure startup is in joint mode * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=e993e7f
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[15:02:48] <dgarr> skunkworks:I have a servo/encoder machine (xzc) and cannot reproduce the behavior of issue #45
[15:02:57] <dgarr> i could not follow yesterday's discussion so i made a standalone xyzb sim config that might
[15:02:57] <dgarr> be helpful in constructing your xyzb config: http://www.panix.com/~dgarrett/stuff/xyzb.tgz
[15:03:06] <dgarr> this config uses gentrivkins, i see there are still problems with trivkins and omitted axis letters
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[15:09:28] <dgarr> skunkworks: i also cannot reproduce the "On sim" behavior cited in issue #45 which sim exactly?
[15:12:04] <cradek> dgarr: you're both using ja12? I can try too
[15:13:16] <dgarr> yes ja12 -- there is a commit today 3d5355c that fixes a bug i found making the xyzb.tgz referenced above
[15:13:24] <cradek> ok
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[15:14:18] <dgarr> note that the update_ini script does not handle locking_indexers nor wheel teleop jogging -- that is a lot to ask i think, some configs will require human intervention
[15:15:02] <cradek> I agree
[15:15:13] <dgarr> the buildbot seems to be stalled?
[15:16:25] <cradek> yeah ETA 9 hours seems abnormal
[15:16:36] <cradek> it's early for seb - I bet he'll show up soon
[15:17:47] <cradek> actually it is making progress, running tests on wheezy-rtpreempt
[15:17:55] <cradek> it might be fine...?
[15:19:15] <cradek> yeah I think it's working, but it's behind
[15:19:36] <dgarr> ok -- i see some progress with the buildbot now
[15:19:49] <cradek> two builds waiting: http://buildbot.linuxcnc.org/buildbot/builders/0000.checkin
[15:20:04] <cradek> so yours isn't even next :-/
[15:20:19] <cradek> I bet it's having trouble, maybe swapping or something
[15:20:55] <dgarr> cradek: if you or anyone else runs the xyzb.tgz example and sees a problem it would be helpful to describe so i can reproduce and try to fix
[15:21:17] <cradek> understood
[15:21:29] <cradek> I'm trying the "on sim" instructions now
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[15:21:47] <dgarr> i'm not in a hurry for the buildbot, just noticed it seemed slow
[15:22:47] <cradek> I agree "on sim" doesn't reproduce it (I added step 2.5: go to machine off state)
[15:23:21] <cradek> um, I should try not adding steps
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[15:24:00] <skunkworks> heh
[15:24:16] <dgarr> my xzc servo/encoder machine doesn't show the issue#45 error at all (xzc using gentrivkins)
[15:24:18] <cradek> yeah it still seems right
[15:24:34] <cradek> when I do the setp, it ferrors and turns off, but I can turn it right back on
[15:25:04] <skunkworks> umm - I forgot - 1.5 on the sim instructions should be - toggle machine off.
[15:25:29] <cradek> I tried it with and without step 1.5
[15:25:39] <cradek> it doesn't happen here either
[15:25:49] <cradek> running sim/axis/axis
[15:26:39] <skunkworks> the machine has to be off -> then move the fb -> then try to turn machine back on. (don't recconect feedback to pos)
[15:26:53] <cradek> yep I did that
[15:26:57] <skunkworks> (like an encoder is hooked to feedback)
[15:27:04] <skunkworks> you are not seeing it?
[15:27:05] <cradek> understood
[15:27:15] <cradek> right - it works correctly for me
[15:27:19] <skunkworks> huh
[15:27:30] <dgarr> works correctly for me too
[15:27:37] <cradek> you must be doing something different - can you check your steps again?
[15:27:53] <cradek> skunkworks: you are on joints_axes12, right?
[15:28:04] <skunkworks> sure. I don't have dgarrs latest commit - would that have changed anything?
[15:28:10] <dgarr> no
[15:28:18] <skunkworks> ok - let me try it again
[15:29:23] <skunkworks_> linuxcnc-JA$ git branch* joints_axes12v2.7.4-592-gbd31d87
[15:30:12] <skunkworks_> sim axis - estop out, on
[15:30:39] <skunkworks_> homed
[15:30:41] <skunkworks_> off
[15:32:41] <skunkworks> wow.
[15:33:00] <skunkworks> ok - what was I doing? I was getting it to do it. I swear
[15:33:23] <skunkworks> I did it like 3 times in a row to get the steps
[15:33:26] <skunkworks> hmmm
[15:33:42] <cradek> did you jog to a limit?
[15:33:53] <skunkworks_> no
[15:33:54] <cradek> it seemed like that was involved with the weirdness you saw yesterday
[15:34:09] <skunkworks_> yes - but I reproduced it without that I thought
[15:34:16] <skunkworks_> let me goof around with it
[15:34:18] <seb_kuzminsky> i'm looking at the buildbot now
[15:34:18] <cradek> hmm
[15:35:06] <dgarr> skunkworks: did you see my input above about xyzb.tgz to illustrate a xyzb config?
[15:35:47] <skunkworks_> dgarr: not yet - I think I have the xyzb working ok - just the jog wheel wasn't working for me.
[15:37:52] <dgarr> i (strongly) suggest using gentrivkins coordinates=xyzb like in the example tgz, see it also for hooking up jog wheel for both world and joint jogging
[15:38:23] <skunkworks> Thank you!
[15:40:21] <seb_kuzminsky> i dont see anything obviously wrong to explain why the buildbot is so far behind
[15:40:43] <seb_kuzminsky> dgarr: should we remove trivkins in favor of gentrivkins in ja?
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[15:44:02] <seb_kuzminsky> looks like the problem is on the buildmaster VM
[15:45:06] <dgarr> seb_kuzminsky: removing trivkins might be possible but i am not inclined to do it. my take for now is to educate and recommend gentrivkins
[15:45:34] <dgarr> if someone wants to remove and replace trivkins with gentrivkins it will be a lot of work
[15:46:44] <seb_kuzminsky> gotcha
[15:46:58] <dgarr> and testing all the configs is not really much fun
[15:47:16] <seb_kuzminsky> is there any situation where trivkins is preferable over gentrivkins (in terms of user experience, not developer effort)
[15:47:29] <cradek> the vast majority of our users are simple trivkins with consecutive joints and axes, plus XZ lathes also on trivkins
[15:47:43] <seb_kuzminsky> (i really need to upgrade that stupid buildmaster machine...)
[15:47:50] <seb_kuzminsky> off to work, i'll read back later
[15:48:26] <skunkworks> ok...
[15:48:28] <dgarr> i don't think there are situations where trivkins is preferable -- and it is ok IF there are no omitted axis letters and no duplicated axis letters
[15:48:51] <skunkworks> could someone try this? Unlink the joint.0.motor-pos-fb while machine is still on.
[15:48:54] <skunkworks> jog
[15:48:56] <dgarr> ja has an xz sim config examples in configs/axis/gentrivkins/
[15:49:05] <skunkworks> jog X
[15:49:11] <skunkworks> get a following error -
[15:49:18] <skunkworks> then try to turn the machine back on
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[15:53:24] <dgarr> skunkworks: tried, yes, it won't turn on then but it will if you re net: net Xpos joint.0.motor-pos-fb
[15:54:12] <skunkworks> Sure - but if the motor-pos-fb is from an encoder - it will stay where it is at.
[15:54:42] <jepler> what we all expect is for the feedback position to be copied to command position while the machine is "off"
[15:54:51] <cradek> that is wrong then - after the ferror, it should copy fb into cmd. then it should turn on fine
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[15:55:01] <jepler> so that at the transition to "machine on" the commanded and feedback positions are equal, and there's not an immediate following error
[15:55:28] <cradek> and also not ever a step change commanded in the joint's actual position
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[16:00:02] <skunkworks> so - maybe I triggered a following error first? Boy - don't remember that
[16:02:33] <skunkworks> 2.7 you can do the same thing - toggling machine on doesn't cause a FE
[16:04:36] <jepler> https://emergent.unpythonic.net/files/sandbox/ferror-ja2.png
[16:04:54] <jepler> when you try to go back to machine on, motor-pos-cmd jumps back to the previous motor-pos-cmd from before the first ferror
[16:05:01] <jepler> afk
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[16:06:53] <seb_kuzminsky> i think the buildbot slowness is due to yet another locking bug in the 0.8.6p1 version of buildbot that's in precise
[16:15:02] <dgarr> skunkworks: so i just went to the shop and tried with my xzc servo/encoder gentrivkins machine and found that by moving the rotary c axis with the machine off i could reproduce the error -- but, surprisingly, it took many tries to reproduce, usually it was ok
[16:16:23] <cradek> dgarr: the original #45, not the after-ferror problem we're talking about later?
[16:16:43] <cradek> oh you said "with the machine off", so yes the original #45
[16:16:54] <dgarr> yes the original #45 servo/encoder -- note i'm not familliar with the code involved so if others want to fix it would be great
[16:17:01] <skunkworks> Could be why it sometimes works...
[16:17:35] <cradek> why on earth
[16:17:57] * skunkworks just breaks things...
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[16:21:55] -linuxcnc-github:#linuxcnc-devel- [13linuxcnc] 15samcoinc commented on issue #45: Ok - so the above directions seem to not work 100% of the time. What does seem to work 100% of the time is ... 02https://github.com/LinuxCNC/linuxcnc/issues/45#issuecomment-194932809
[16:23:08] <skunkworks> does that make sense?
[16:29:04] <dgarr> your added comment makes sense
[16:29:36] <jthornton> when your flashing 5i2x cards in dos do you run env.bat then nmflash file.bit?
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[16:31:36] <pcw_home> envd.bat
[16:32:21] <jthornton> hmm I have ENV.BAT, is envd.bat a newer version?
[16:32:37] <pcw_home> well its pretty simple
[16:32:50] <pcw_home> you can recreate it
[16:33:41] <pcw_home> the entire contents are:
[16:33:42] <pcw_home> set interface=PCIMEM
[16:33:44] <pcw_home> set protocol=DIRECT
[16:35:27] <jthornton> ok the one I have is set interface=pcimem set protocol=bus
[16:35:34] <jthornton> I'll make a new one
[16:36:18] <pcw_home> might be that either will work
[16:37:45] <jthornton> lol, I have not used dos for a long time but I remember how
[16:38:29] <pcw_home> just like a terminal window with a lousy shell
[16:40:17] <jthornton> lol, and I keep typing in ls instead of dir
[16:40:40] <pcw_home> I should zip up our DOS 5i25 test directory, it has the latest of those utils (plus the low level init batch files)
[16:41:09] <pcw_home> I use 4dos and have ls aliased to dir
[16:43:29] <jthornton> thanks
[16:43:40] <jthornton> I'm using freedos
[16:44:48] <pcw_home> freedos can use the 4dos shell
[16:48:40] <jthornton> what does 4dos do?
[16:52:25] <jepler> I don't remember particularly, but circa 28 years ago it was much better than COMMAND.COM.
[16:52:31] <pcw_home> it replaces command.com (the shell) and adds many features like command history
[16:52:37] -!- miccolis has quit [Read error: Connection reset by peer]
[16:52:56] <pcw_home> it has a nicer command history interface than most unix shells
[16:53:15] <pcw_home> and a much smarter copy command
[16:55:58] <jepler> https://en.wikipedia.org/wiki/4DOS#Features
[16:56:09] <jepler> in the waning days of DOS games this one was key: A more sophisticated swapping mechanism, yielding more free conventional memory on most systems
[16:56:38] <jepler> I remember it had some way I could open my text editor on the whole environment, which I could edit and save both to the running shell and for future reboots
[16:57:08] <jepler> > the source code is available under a modified MIT License but it "may not be used in any commercial product without written permission from Rex Conn"[2] and "may not be compiled for use on any operating system other than FreeDOS" so it does not qualify as open source as defined by Open Source Initiative.[3]
[16:57:16] <jepler> too bad
[16:57:58] <pcw_home> yeah thats sort of strange
[17:00:46] <pcw_home> BTW we dug up the source for the macro processor used with our embedded CPUs
[17:00:47] <pcw_home> (It was written by Gilberts son many years ago)
[17:02:33] <jepler> pcw_home: very cool. I did purchase a license to the unmodified assembler at some point, but because I didn't have your mods it was not useful for getting closer to the ideal of rebuilding the embedded firmwares in hostmot2-firmware
[17:04:55] <pcw_home> Ill send it if you want it. I think thats all thats needed to make a working toolchain for linux
[17:06:32] <jepler> I would like to have that, even if I'm not likely to work on it right away
[17:07:04] <pcw_home> BTW we have verified what you saw, that theres a bug in SSLBP where the error status bits are sticky when they should get cleared every doit
[17:08:11] <pcw_home> we should be able to fix it in Version 45 but its fairly subtle (not obvious from the code at all)
[17:09:06] <jepler> pcw_home: OK. If you do have a fixed version with a bumped fw version number, I think the hal driver can check that and change its behavior accordingly
[17:09:28] <pcw_home> Yeah that would be great
[17:10:06] <pcw_home> we did fix the 7I84 encoder bug (also on 7I69)
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[17:36:15] <jepler> great
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[17:36:29] <jepler> is there anything linuxcnc needs to do, or workarounds that can be removed, when a fixed version is detected?
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[17:51:35] <pcw_home> the error response for local com errors will be different
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[17:53:09] <pcw_home> I think some of the sserial errors are missed by the filter now also ( "doit not cleared from previous cycle" is not filtered for example)
[17:55:45] <pcw_home> Also filtered out errors _should_ be counted
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[18:28:09] <linuxcnc-build> build #3054 of 4006.deb-lucid-rtai-i386 is complete: Failure [4failed shell_3] Build details are at http://buildbot.linuxcnc.org/buildbot/builders/4006.deb-lucid-rtai-i386/builds/3054 blamelist: Chris Morley <chrisinnanaimo@hotmail.com>
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[18:38:30] <seb_kuzminsky> ruh ro
[18:39:20] <linuxcnc-build> build #3058 of 4003.deb-lucid-i386 is complete: Failure [4failed shell_3] Build details are at http://buildbot.linuxcnc.org/buildbot/builders/4003.deb-lucid-i386/builds/3058 blamelist: Chris Morley <chrisinnanaimo@hotmail.com>
[18:40:06] <linuxcnc-build> build #1066 of 4014.deb-wheezy-rtpreempt-i386 is complete: Failure [4failed shell_3] Build details are at http://buildbot.linuxcnc.org/buildbot/builders/4014.deb-wheezy-rtpreempt-i386/builds/1066 blamelist: Chris Morley <chrisinnanaimo@hotmail.com>
[18:41:06] <linuxcnc-build> build #3057 of 4004.deb-lucid-amd64 is complete: Failure [4failed shell_3] Build details are at http://buildbot.linuxcnc.org/buildbot/builders/4004.deb-lucid-amd64/builds/3057 blamelist: Chris Morley <chrisinnanaimo@hotmail.com>
[18:41:09] <seb_kuzminsky> all the deb builders will fail now beacuse i messed up the buildmaster config
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[19:23:05] <seb_kuzminsky> maybe this time
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[19:27:50] <skunkworks_> heh - Thank you for keeping the buildbots running
[19:28:32] <seb_kuzminsky> yep
[19:28:34] <seb_kuzminsky> back in a bit
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[19:35:09] <jepler> so what I think I am seeing is: when returning to "machine on" after a following error, a previous cartesian position axes[*].teleop_tp.curr_pos is copied into emcmotStatus->carte_pos_cmd, which has kinematicsInverse run on it, and that is what steps the joint command
[19:35:24] <jepler> starting around control.c:1325
[19:35:29] <jepler> case EMCMOT_MOTION_TELEOP
[19:35:50] <jepler> so maybe a spot where teleop_tp.curr_pos gets updated during machine-off state is needed
[19:36:24] <jepler> halcmd: setp joint.0.motor-pos-fb 0
[19:36:24] <jepler> halcmd: setp joint.0.motor-pos-fb 100
[19:36:32] <jepler> also it's a bit surprising that doing this doesn't change the DRO
[19:36:50] <jepler> (DRO showing cartesian coordinates)
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[19:37:24] <jepler> config is ../configs/sim/axis/axis.ini
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[20:02:48] <skunkworks__> It didn't make sense what the axis was showing when I would set the fb pin. On 2.7 if I set it to 10 - the dro says 10
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[20:06:19] <jepler> it may not even be running forward kinematics while the machine is off
[20:06:20] <jepler> ?
[20:07:42] <skunkworks__> maybe? I don;t know - like I setp'ed it to 10 and the dro says 8.984 now
[20:07:48] <skunkworks__> (was zero)
[20:08:03] <jepler> in 2.7?
[20:08:05] <cradek> if you've homed, that might be right
[20:08:09] <skunkworks__> no - JA
[20:08:10] <cradek> I think?
[20:08:25] <jepler> in ja in "machine off" mode it wasn't changing at all for me
[20:09:26] <jepler> if you homed (have motor offsets) the results could be different
[20:11:07] <skunkworks__> well - with it homed I see pos is 1.01535
[20:11:24] <skunkworks__> *Xpos (joint.0.motor....)
[20:11:35] <skunkworks__> why would that be if it was homed with no offsets?
[20:12:04] <skunkworks__> (machine and relative are both 0)
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[20:50:37] <cradek> skunkworks__: does it have a simulated index?
[20:52:26] <skunkworks__> NO
[20:52:30] <skunkworks__> sorry
[20:52:31] <skunkworks__> no
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[20:56:44] <jepler> offsets?
[20:56:49] <jepler> like g54?
[21:00:44] <skunkworks__> (machine and relative are both 0)
[21:00:52] <jepler> oh I see you said that once already
[21:00:57] <jepler> backlash?
[21:01:08] <skunkworks__> wow - that would be a lot :)
[21:01:10] <skunkworks__> none in the ini
[21:02:44] <skunkworks__> bbl
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[21:11:25] <jepler> sedol now 0/2 :-/
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[21:16:11] <seb_kuzminsky> jepler: it's interesting how he played so differently in games 1 and 2, and how well alphago handled both those styles
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[21:19:25] <jepler> how many games played by alphago are public at this point? Did Sedol have more than the games aganst Fan to study?
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[22:51:07] <seb_kuzminsky> linuxcnc-build: force build --branch=master 0000.checkin
[22:51:08] <linuxcnc-build> build #3967 forced
[22:51:09] <linuxcnc-build> I'll give a shout when the build finishes
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[23:54:24] <linuxcnc-build> Hey! build 0000.checkin #3967 is complete: Success [3build successful]
[23:54:24] <linuxcnc-build> Build details are at http://buildbot.linuxcnc.org/buildbot/builders/0000.checkin/builds/3967
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