#emc-devel | Logs for 2012-01-11

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[00:12:05] * skunkKandT cheers from the cheap seats
[00:12:14] <JT-Shop> LOL
[00:15:11] <skunkKandT> as always - I have access to quite a few different motherboard to test..
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[01:12:40] <GoSebGo> mozmck, i think 3.0 is the lts kernel, so i'd expect 12.04 to ship with that, and rtai to target it
[01:21:09] <CIA-9> EMC: 03tissf 07v2.5_branch * r5026afb128cc 10/docs/src/ (6 files in 2 dirs): French docs - cleaning and update
[01:23:55] <mozmck> GoSebGo: I read somewhere that 3.2 is the lts kernel. 3.0 is the 11.10 kernel.
[01:24:53] <GoSebGo> Yes youre right
[01:24:58] <mozmck> Yep, just looked at the makefile and it's 3.2
[01:25:29] <mozmck> I have the ubuntu-precise git tree pulled already, but no patch to apply :(
[01:29:09] <GoSebGo> 3.2 is not lts :-(
[01:29:11] <GoSebGo> http://www.kroah.com/log/
[01:30:28] <mshaver> Thoughts on what we'll do in April2012? How about a year after that if there's still no rtai for the Precise kernel?
[01:31:20] <GoSebGo> Stay on lucid i guess
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[01:32:11] <mshaver> You're right of course. Still I hope the rt guys don't run out of steam on us.
[01:32:36] <mozmck> I wonder why ubuntu picked 3.2 then? Maybe they don't know this?
[01:33:15] <mshaver> I doubt the availability of rtai on their kernel is a big factor to Canonical.
[01:33:38] <mozmck> oops, I was replying to GoSebGo saying 3.2 is not lts
[01:34:24] <mozmck> the Rtai folks just posted 3.9 test1 today.
[01:35:04] <mozmck> so there is some work there.
[01:35:19] <mshaver> Cool!
[01:35:35] <mozmck> Adeos does not have any patches for linux 3.x in x86 yet, although there are some for powerPC
[01:37:03] * mshaver is jonesing for the shiny
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[01:49:05] * skunkKandT would have to look that saying up
[01:49:36] <skunkKandT> 3.9 works for the precise kernel?
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[03:01:01] <jepler> GoSebGo: to be fair, if the longest-term maintainance kernel is 2 years from jan 2012, no kernel has enough longevity for ubuntu lts 12.04.
[03:01:50] <GoSebGo> 2.6.32 is still maintained...
[03:02:48] <jepler> "It is approaching it's end-of-life, and I think I only have another month or so doing releases of this"
[03:03:35] * seb_kuzminsky sobs quietly and rocks back and forth
[03:06:53] <skunkworks_> logger[psha]_:
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[03:12:28] <jepler> if I had minions to order around they'd be working on the port to PREEMPT_RT .. and if that means we can sell everybody hardware step generators, that's just more revenue.
[03:12:42] <jepler> luckily, that's not the real universe, I don't have any minions or hardware sales
[03:14:58] <seb_kuzminsky> i want glasshouse-style cloning and merging
[03:32:26] <skunkworks_> can someone explain what this means in 10 words or less? https://mail.rtai.org/pipermail/rtai/2012-January/024831.html
[03:32:59] <skunkworks_> are they in effect saying that the 3.whatever linux kernel will not be supported for a while?
[03:33:38] <seb_kuzminsky> i'm not sure, skunkworks
[03:34:07] <seb_kuzminsky> the subject sounds nice and general, but then paolo spends most the email talking about comedi, which is an analog/digital i/o subsystem for linux
[03:36:23] <skunkworks_> ah - that is what comedi is... I thought it was a code name for some version of linux.. (didn't get around to googling)
[03:36:48] <seb_kuzminsky> the 3.9-test1 changelog says they support up to 2.6.38
[03:38:10] <seb_kuzminsky> i think we'll have to either do the work ourselves (not me!), or wait for someone else to do it, or switch to another (shittier) realtime kernel
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[04:03:46] <jepler> nobody but us is trying to combine rtai + modern gui desktop. if we (our users) didn't want current hardware support for video and network, we could live with old kernels indefinitely. but here we are.
[04:03:50] <jepler> goodnight.
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[08:00:57] <archivist> comedi and emc coexisting 2011-12-26 08:26:02 jtektool got emc livecd kernel recompilled with comedi support!
[08:01:10] <archivist> http://emclog.archivist.info/2011-12-26.txt
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[08:49:02] <CIA-9> EMC: 03seb 07master * r895a432cf6bb 10/docs/src/source-highlight/ (README emc-langs-source-highlight.conf): metadocs: Fix typos in the docs for source-highlight
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[12:59:22] <jthornton> dewey has fixed a problem with HAL Configuration where the status line and the test this command line are not properly visible. http://imagebin.org/193036
[12:59:48] <jthornton> however he gave two options this one http://imagebin.org/193035
[13:00:23] <jthornton> and this one http://imagebin.org/193037
[13:01:00] <jthornton> the second option sends the output from the HAL command to the show window and works better for commands that use a wildcard
[13:01:45] <jthornton> Both patches are for 2.5, so I need some guidance here
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[13:15:48] <jepler> where are the patches?
[13:17:16] <JT-Shop> hang on a sec and I'll get the links for you
[13:20:07] <mozmck> GoSebGo: re: linux 2.6.32: although that is still the default in 10.04, Ubuntu now offers 2.6.38 for 10.04 in it's standard repo. http://www.h-online.com/open/news/item/Two-new-kernels-for-Ubuntu-10-04-LTS-1377947.html
[13:24:53] <jthornton> http://www.panix.com/~dgarrett/stuff/halshow_v2a.mbox
[13:25:00] <jthornton> http://www.panix.com/~dgarrett/stuff/halshow_v3.mbox
[13:27:31] <jepler> it looks like the real change is -width 26 to -width 10
[13:27:33] <jepler> hiding in here
[13:27:34] <jepler> - set disp [text $stf.tx -wrap word -takefocus 0 -state disabled \
[13:27:35] <jepler> - -relief flat -borderwidth 0 -height 26 -yscrollcommand "sSlide $stf"]
[13:27:39] <jepler> + set ::disp [text $f1.top.tx -wrap word -takefocus 0 -state disabled \
[13:27:40] <jepler> + -width 0 -height 10\
[13:27:42] <jepler> er, -height
[13:28:50] <jepler> personally, I'd take the minimal change for the stable branch. stuff like changing variable references to use the :: syntax would be better placed in a second commit, and that's master-only stuff
[13:29:36] <jthornton> that's kinda what I thought too
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[13:50:11] <CIA-9> EMC: 03tissf 07v2.5_branch * r7c608acea786 10/ (3 files in 3 dirs): French docs - update - touchy macros
[13:58:53] <CIA-9> EMC: 03tissf 07v2.5_branch * rbc5801e9a321 10/src/po/fr.po: French docs - fix typo
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[15:14:02] <CIA-9> EMC: 03jepler 07v2.4_branch * re4f2098b197f 10/src/emc/rs274ngc/gcodemodule.cc: gcodemodule: fix interpolation of abcuvw in arc
[15:14:03] <CIA-9> EMC: 03jepler 07v2.5_branch * r38af14aa144f 10/ (scripts/get-version-from-git src/emc/rs274ngc/gcodemodule.cc): Merge branch 'v2.4_branch' into v2.5_branch
[15:15:08] <skunkworks_> logger[psha]_:
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[16:39:55] <CIA-9> EMC: 03jepler 07v2.5_branch * rfe2bd33fb467 10/src/emc/usr_intf/stepconf/stepconf.py: stepconf: fix translations
[17:09:38] <cradek> JT-Shop: how do you feel about 2.5 release soon like feb 1?
[17:09:52] <JT-Shop> cradek: I'm good with that :)
[17:10:06] <cradek> do you know of any problems, docs or otherwise?
[17:10:35] <JT-Shop> just with the HAL Configuration screen and I'm working with Dewey to fix that
[17:10:42] <cradek> ok cool
[17:10:45] <JT-Shop> it is just a display problem
[17:11:05] <cradek> I knew of missing touchy macro docs, but fixed that
[17:11:29] <JT-Shop> I saw that :)
[17:11:36] <JT-Shop> I
[17:11:48] <JT-Shop> ll run thought them again and look
[17:12:04] <JT-Shop> to see if I spot anything
[17:12:26] <CIA-9> EMC: 03jepler 07v2.5_branch * r506e47c485aa 10/src/emc/usr_intf/pncconf/pncconf.py: pncconf: fix translations
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[17:14:13] <JT-Shop> bbl, off to the industrial park
[17:35:16] <psha> cradek: sent cmorley's patch review to ML
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[17:58:43] <cradek> thank you
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[18:09:23] <GoSebGo> Yay, exciting!
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[18:46:57] <mshaver> PID Question: I have a HAL PID block controlling the spindle velocity loop on my machine. At the startup of EMC, command, feedback and output are all 0.0. Once I run the spindle and then stop it, command and feedback settle back to 0.0, but the output decreases only to around 0.07-0.08 or so. Deadband is 0.0. Why is this?
[18:47:39] <mshaver> Oh, 2.5-pre from the buildbot yesterday.
[18:49:10] <mshaver> P gain is currently 0.1, I is .03, and D is 0.0.
[18:50:42] <mshaver> No FF terms either.
[18:52:38] <cradek> with tiny I couldn't it take a very long time to settle?
[18:53:30] <mshaver> I do need to increase I anyway. I should also look at pid.0.error.
[18:53:58] <mshaver> Let me fool with it a bit more & get back to you. This just seemed weird to me.
[18:54:06] <cradek> doesn't pid have an enable? seems like you should disable it when the spindle is off. this would clear the integrator I think.
[18:54:27] <mshaver> Good idea!
[18:54:54] <mshaver> I'll do that as well just on general principles!
[18:55:25] <cradek> I've not had good luck with spindle pid. too slow to respond I think.
[18:55:52] <cradek> but also this was before index-safe velocity like we have now.
[18:55:55] <mshaver> cradek: Just an FYI - andypugh's changes to 2.5-pre worked well, so no worries.
[18:56:19] <cradek> yay
[18:56:34] <cradek> he's a master.
[18:56:53] <cradek> bbl
[18:58:13] <mshaver> Have a good lunch!
[18:58:41] <mshaver> I gotta use PID on the spindle because the 8i20 is current (torque command) input...
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[19:00:37] <cradek> ah
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[20:26:32] <Ekkeri> mshaver, what changes?
[20:26:48] <Ekkeri> is there some kind of changelog somewhere?
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[20:28:08] <mshaver> Andy changed something in the bldc hal component that fixed a problem with homing the motor in "q" mode
[20:28:48] <mshaver> and it worked! For me anyway...
[20:30:01] <Ekkeri> is it in the latest 2.5-pre?
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[20:38:36] <mshaver> Yep! Been there about 2 days now.
[20:39:07] <mshaver> Sorry, I'm in and out of my office testing stuff...
[20:40:45] <mshaver> Here's the log: http://git.linuxcnc.org/gitweb?p=emc2.git;a=history;f=src/hal/components/bldc.comp;h=997a7bd16141cb78fde65ed81c851d8fd7ac1a5b;hb=cd36e2c5984a8234fd693e49e30ab10139d159b7
[20:40:56] <Ekkeri> no problem, I think I will install 2.5 soon, just wondering when.. if there are some "important" fixes coming, like that HAL Config screen thingy..
[20:41:14] <Ekkeri> but updating should be quite easy?
[20:41:34] <mshaver> It was for me - no config breaking changes
[20:42:02] <Ekkeri> well, I don't even have configs yet, just wondering those pre->pre->v2.5 updates :)
[20:42:24] <Ekkeri> installed 2.4.7 today for my new hardware
[20:43:11] <mshaver> Unless you're doing things with brushless DC motors, Mesa hardware, or ngcgui, 2.4.7 is fine.
[20:44:15] <mshaver> The new documentation is spectacular as well!
[20:45:05] <Ekkeri> I have Mesa 7I52 so 2.5 is a must
[20:45:18] <Ekkeri> I'm total newbie with these thou
[20:45:57] <mshaver> 7i52; I'll have to look that one up...
[20:46:19] <Ekkeri> daugther card with muxed encoders..
[21:07:08] <CIA-9> EMC: 03tissf 07v2.5_branch * r7b47c9d51fb4 10/docs/src/gui/touchy_fr.txt: French docs - cleanup
[21:07:13] <CIA-9> EMC: 03tissf 07v2.5_branch * r774328cfe7bb 10/src/po/fr.po: French docs - update
[21:07:24] <CIA-9> EMC: 03tissf 07v2.5_branch * rd2bedc81394b 10/src/po/fr.po: French docs - update
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[22:25:17] <CIA-9> EMC: 03tissf 07v2.5_branch * r83579a753929 10/docs/src/config/ (5 files in 2 dirs): French docs - add translated images
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[22:46:08] <CIA-9> EMC: 03tissf 07v2.5_branch * r663cb7aa0776 10/docs/src/gui/images/touchy_fr.png: French docs - best image quality
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