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[11:18:45] <skunkworks> zlog
[11:18:46] <zlog> skunkworks: Log stored at
http://tom-itx.no-ip.biz:81/~tom-itx/irc/logs/%23linuxcnc-devel/2016-06-06.html
[12:17:43] <skunkworks> you should be able to follow these directions with the livecd - right?
[12:17:49] <skunkworks> *linuxcnc livecd
[12:17:50] <skunkworks> http://linuxcnc.org/docs/html/getting-started/getting-linuxcnc.html#_installing_on_debian_wheezy_with_preempt_rt_kernel
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[12:32:52] <skunkworks> sorry about this..
[12:32:54] <skunkworks> http://www.practicalmachinist.com/vb/general/linuxcnc-its-main-advantages-321126/
[12:49:20] <archivist> I bet none of those ever retrofitted a hobbing machine, dunno if the usual commercials can do that easily :)
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[13:17:18] <cradek> well I made it through one page of that. I assume the other 3 pages are similar...
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[13:18:57] <cradek> skunkworks: yes, except you might want to uninstall the rtai kernel afterwards, and also the rtai linuxcnc.org repository from the apt sources
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[13:28:24] <mozmck> skunkworks: I see the "expert" showed up on that thread ;-)
[13:28:33] <skunkworks> yes
[13:28:42] <skunkworks> 10k hours invested..
[13:28:52] <skunkworks> cradek, thanks
[13:28:55] <mozmck> has anyone ever seen one of his machines yet?
[13:30:58] <skunkworks> no. In one thread he said that he couldn't because of customer confidentiality or something like that
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[13:53:03] <mozmck> skunkworks: adama's post #60 "you better hope my free versions as bad as you wish it is :-) Else, your just another bankrupt in progress :-)"
[13:53:19] <skunkworks> heh
[13:53:25] <kimi> Hello
[13:53:36] <kimi> anybody familiar with macro-programming ?
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[14:00:54] <cradek> kimi: can you ask a more specific question?
[14:01:43] <7YUAA94JF> Hello, I used to go to mah or psha for irc logs, but these don't seem to be valid anymore. Are there up to date links?
[14:01:53] <jepler> zlog:
[14:01:53] <zlog> jepler: Log stored at
http://tom-itx.no-ip.biz:81/~tom-itx/irc/logs/%23linuxcnc-devel/2016-06-06.html
[14:01:57] <jepler> 7YUAA94JF: ^^^
[14:02:39] <7YUAA94JF> Thank you.
[14:03:29] <kimi> Hello
[14:03:34] <kimi> thanks for feedback
[14:03:59] <kimi> now, i am using 4-axis cnc machine
[14:04:06] <kimi> so everytime to post a .nc program i need to convert it through a software
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[14:09:42] <kimi> Helllo?
[14:10:32] <skunkworks> I don't think anyone on here knows... You are getting some help on the other channel..
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[14:15:23] <jepler> seb_kuzminsky: this must be related to the thing you were saying about nml aborts and non-determinacy:
https://github.com/LinuxCNC/linuxcnc/issues/49
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[15:26:32] <seb_kuzminsky> it probably involves the Task abort code
[15:27:01] <seb_kuzminsky> one of the things we do on Task Abort is discard interp_list, which might be the cause of the issue micges observed
[15:27:52] <jepler> right
[15:28:03] <jepler> that's exactly the scenario that my two brain cells were rubbing together
[15:28:20] <seb_kuzminsky> yeah
[15:29:05] <seb_kuzminsky> the fix for the stale-statbuf bug that zultron reported, that i hastily sketched out over beers last weekend, suffers from a similar problem
[15:30:40] <seb_kuzminsky> i proposed doing much of convert_stop()'s M2/M30 handling in Inter::on_abort(), but that handling involves putting stuff on interp_list (to ask Canon to clean itself up), and our many spurious aborts during all kinds of non-aborty state transitions made that indeterminate and unpredictable and thus impossible to test properly
[15:31:02] <seb_kuzminsky> i have the best words
[15:32:52] <jepler> hmph C++11
[15:35:08] <seb_kuzminsky> for solving my problem (but not micges') i had imagined (against my better judgement) to add another global state flag to Task, to be set on Abort, after clearing interp_list and before calling Interp::on_abort(). This new flag would be called something like "drain_interp_list", and when True would suspend Task from reading any NML input from the UIs until it had completely drained interp_li
[15:35:14] <seb_kuzminsky> st of the aborty canon calls Interp put in it
[15:35:45] <seb_kuzminsky> that way it won't start a new abort until it's done handling the earlier abort
[15:35:54] <seb_kuzminsky> and the indeterminacy goes away
[15:36:05] <seb_kuzminsky> at the cost of a slightly longer (but more correct) abort path
[15:36:44] <jepler> some days I fantasize about just deleting task and replacing it with something else
[15:36:59] <seb_kuzminsky> haha yeah
[15:37:18] <seb_kuzminsky> it only it wasnt so useful for all our users continuing to successfully make correct parts all the time
[15:37:21] <seb_kuzminsky> *if
[15:37:23] <jepler> a big ball of twine that has been submerged in water long enough to start to mold and decay for instance
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[15:45:20] <skunkworks> that is harsh.. ;)
[15:45:34] <seb_kuzminsky> no, that's very charitable
[15:46:11] <jepler> I mean jute or hemp twine, not nylon or other synthetic
[15:46:40] <jepler> huh if you google "jute" you get nutritional information(!), I didn't think it was something you were supposed to eat.
[15:46:53] <jepler> 32 calories per cup (87g)
[15:47:04] <jepler> surprisingly low in dietary fiber (1.7g)
[15:47:45] <skunkworks> Squirrel!
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[15:49:13] <jepler> huh apparently there is a jute used for culinary purposes
https://en.wikipedia.org/wiki/Jute#Tossa_jute_.28Corchorus_olitorius.29 TIL
[15:50:06] <seb_kuzminsky> you vegetarians are weird
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[15:54:41] <seb_kuzminsky> jepler: about #49, maybe the "drain_interp_list" flag could help there too - we could set it in emcTaskPlanInit(), just before calling interp.execute on the rs274ngc_startup_code
[15:55:39] <seb_kuzminsky> unless someone objects i'll try to implement it in the stale-statbuffer branch, and if it works there i'll try to develop a test for #49 and see if it fixes that one too
[15:55:47] <jepler> that sounds fully awesome
[15:57:46] -linuxcnc-github:#linuxcnc-devel- [13linuxcnc] 15SebKuzminsky commented on issue #49: Jeff and I discussed a possible fix here:... 02
https://github.com/LinuxCNC/linuxcnc/issues/49#issuecomment-224003305
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[23:26:30] <jepler> this is interesting (from a just-approved post on the forum):
http://www.openplcproject.com/
[23:26:42] <jepler> and after you've seen that page for 30 seconds you'll know as much as me
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[23:43:34] <PCW> wasn't there another open PLC project a year or 2 ago?
[23:45:39] <jepler> I would not be surprised. My memory is short.
[23:46:21] <jepler> you should write a hostmot2 firmware for your ethernet boards that includes a web-based ladder editor and saves the ladder right on the EEPROM. in your free time.
[23:47:09] <jepler> probably wouldn't technically be hostmot2 anymore at that point
[23:50:51] <PCW> Probably doable with the twiddler interface in my spare time...
[23:51:03] <Tom_itx> key word... in your free time :D
[23:53:36] <andypugh> The email from the chap who created a PLC to study SCADA vulnerabilites was a bit odd. I am not sure how useful it is to create a PLC with known problems. However it is a genuine concern. I went to a talk from a chap who had managed to get control of the Hoover Dam penstocks and the sprinklers in the Bodlean Library. (
https://vimeo.com/133661841)
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[23:54:12] <PCW> jepler: eth-packet-loss triggered a firmware bug in the the Ethernet firmware (fix but no bitfiles other than my test one made yet)
[23:55:15] <PCW> I must not have looked at the LEDs when I tested the scratch registers
[23:57:03] <PCW> (immediate error led if you write to any of the scratch registers)
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