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[00:22:12] <linuxcnc-build> build #3122 of 1300.rip-precise-i386 is complete: Failure [4failed apt-get-update install-missing-build-dependencies compile] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/1300.rip-precise-i386/builds/3122
[00:26:40] <linuxcnc-build> build #3133 of 0000.checkin is complete: Failure [4failed] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/0000.checkin/builds/3133
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[01:45:25] <seb_kuzminsky> this is what i get for ignoring the buildbot for 2 weeks
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[02:06:46] <skunkworks> that much closer to 2.7.. :) Thanks guys!
[02:10:59] <cradek> ooh a new 2.6?
[02:11:17] <seb_kuzminsky> err wellll.....
[02:11:37] <seb_kuzminsky> http://pastie.org/10181878
[02:11:47] <seb_kuzminsky> other than that everything is fine
[02:11:56] <cradek> ooh ouch
[02:12:07] <cradek> bad hardware?
[02:12:24] <seb_kuzminsky> it's a vm
[02:12:39] <seb_kuzminsky> so i think i'll throw it away and restore from backup!
[02:12:46] * seb_kuzminsky looks for a backup
[02:13:09] <seb_kuzminsky> "i haven't lost my mind, it's backed up on tape somewhere"
[02:13:52] <cradek> oh if only zfs
[02:14:00] <skunkworks> http://www.cnczone.com/forums/benchtop-machines/212088-cnc-3.html#post1700148
[02:14:01] <cradek> I'm so spoiled
[02:14:48] <cradek> > I revamped my GUI for GRBL and got the GRBL cycle time down
[02:14:52] <cradek> I don't even
[02:15:39] <skunkworks> no clue.. I guess I am surprised it works as well as it seems to...
[02:16:39] <skunkworks> it would be interesting to run it through my linuxcnc logger to see if it actually obeys vel and acc constraints..
[02:16:48] <cradek> totally
[02:17:07] <cradek> it'd be extremely easy to beat everyone else's cycle time if that was your one goal :-)
[02:17:26] <skunkworks> well - linuxcnc 2.7 beats it.. ;)
[02:20:17] <seb_kuzminsky> there's a bug in my buildbot config (or in buildbot, the jury is out) that makes it fail to email me when a buildslave goes down
[02:20:58] <seb_kuzminsky> so it's been stalled since april 24, when dgarr heroically tried to get eslavko's streamer patches to work, but instead it panicked one of the buildslaves
[02:21:08] <seb_kuzminsky> and it's been sitting uselessly waiting for it to un-panic
[02:21:38] <seb_kuzminsky> i asked on #buildbot about the problem i'm running into, but haven't gotten a reply yet
[02:22:13] <seb_kuzminsky> http://pastie.org/pastes/10181697/text
[02:22:43] <seb_kuzminsky> the buildbot config talks about a 'status' object, but never a 'statusTarget' like that backtrace is complaining about
[02:22:52] <seb_kuzminsky> my 'status' target works just fine, thankyouverymuch
[02:22:57] <cradek> well that sure looks like a bug
[02:23:07] <cradek> even so, buildbot is worth at least twice what we've paid for it
[02:23:16] <seb_kuzminsky> heh
[02:23:52] <seb_kuzminsky> somewhere on my todo list, down around #400 i think, it says to machine a thank-you tchotchke for the buildbot folks
[02:24:34] <cradek> that would be awesome
[02:24:40] <seb_kuzminsky> maybe a turner's cube that says "linuxcnc <3 buildbot" around the top
[02:25:32] <seb_kuzminsky> i need a printer that can print tuits
[02:25:36] <cradek> hm, in my toolbox I bet I still have the workholding parts I used to make my cube
[02:25:56] <cradek> those cubes are not very fun to make, but they're neat
[02:26:00] <seb_kuzminsky> heh
[02:26:05] <seb_kuzminsky> i never tried to make one yet
[02:26:10] <cradek> I've made only one ever, and somehow my mom claimed it
[02:26:13] <seb_kuzminsky> dont you just hold them in the vise?
[02:26:21] <cradek> you have to hold the inside parts too
[02:26:33] <seb_kuzminsky> eeuughhthbt
[02:26:39] <cradek> haha
[02:26:43] <cradek> aka the hard part
[02:27:05] <skunkworks> kinda like the ball in cube.. when you cut the last side - the ball and cube both need to be held...
[02:27:37] <seb_kuzminsky> but the inside of the turner's cube isn't free, usually, is it?
[02:27:45] <cradek> yes it is
[02:27:54] <seb_kuzminsky> oooooohhh
[02:27:57] <seb_kuzminsky> well fuck
[02:27:59] <cradek> afaik, it's a free but captive cube inside a cube
[02:28:11] <skunkworks> inside a cube..
[02:28:19] <cradek> sure, you could have more levels
[02:29:04] <seb_kuzminsky> ok something screwy's going on
[02:29:20] <seb_kuzminsky> my backup from Dec 9 has the same problem (segfault when i run apt-cache)
[02:29:29] <seb_kuzminsky> maybe its time to reboot the vm host
[02:29:54] <seb_kuzminsky> it's only been up 208 days, but it's in my dusty sweaty garage
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[02:33:50] <seb_kuzminsky> bob warfield (who thinks linuxcnc doesn't have half the features it does) made a turners cube where the inside cubes are captured at the corners:
http://www.cnccookbook.com/CCTurnersCube.html
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[02:34:32] <seb_kuzminsky> "Sticklers will tell you it isn't truly a Turner's cube unless the interior shapes are free to float"
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[02:34:49] <cradek> that's how I made mine, except I cut it all the way
[02:35:50] <cradek> mine's also a really good 1.000 +- maybe .002 cube
[02:37:05] <cradek> having the parts not detach would make it MUCH easier...
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[02:38:10] <seb_kuzminsky> ok, triaged the apt-get segfault a bit
[02:38:14] <seb_kuzminsky> it's, ahem, my fault
[02:38:25] <seb_kuzminsky> looks like buggy Package files from the buildbot
[02:38:39] <seb_kuzminsky> possibly related to the streamer panic of Apr 24
[02:38:45] <seb_kuzminsky> (a day that will go down in infamy)
[02:38:55] * seb_kuzminsky rebuilds the Package files
[02:39:14] <cradek> heh bob loves path pilot
[02:39:17] <cradek> sigh
[02:39:34] <skunkworks> what can you do? people are crazy.
[02:41:17] <cradek> http://blogcnccookbookcom.c.presscdn.com/wp-content/uploads/2015/03/TormachCloud.jpg
[02:41:20] <skunkworks> doesn't seem that is much of a challenge then.. (interior shapes not free)
[02:41:30] <cradek> yeah
[02:41:45] <skunkworks> just... wow..
[02:42:47] <seb_kuzminsky> that picture makes me think of the whale and the bowl of petunias
[02:42:58] <skunkworks> heh - not again!
[02:43:33] <skunkworks> I really should get back to reading again.. I find very little time for it.
[02:52:07] <seb_kuzminsky> goodnight moon?
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[02:54:20] <seb_kuzminsky> ok, i think the problem on the precise-i386 buildslave was a bug in apt that i've run in to before - too many deb archives in the sources.lists and it crashes
[02:54:33] <seb_kuzminsky> i disabled v2.4_branch and it's fine again
[02:55:09] <seb_kuzminsky> dont tell murphy, but i think we should have 2.6.8 by morning
[02:55:14] <cradek> woohoo
[03:01:06] <seb_kuzminsky> linuxcnc-build: force build --revision=v2.6.8 0000.checkin
[03:01:07] <linuxcnc-build> build #3134 forced
[03:01:07] <linuxcnc-build> I'll give a shout when the build finishes
[03:02:42] <seb_kuzminsky> help me linuxcnc-build, you're my only hope
[03:07:21] <skunkworks> seb_kuzminsky:
https://www.youtube.com/watch?v=eBRYsAfchkY
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[03:46:48] <linuxcnc-build> Hey! build 0000.checkin #3134 is complete: Success [3build successful]
[03:46:48] <linuxcnc-build> Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/0000.checkin/builds/3134
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[13:01:26] <jepler> anyone know offhand whether in fall 2013 we were still trying to keep master branch compatible with ubuntu 8.04?
[13:02:11] -!- The_Ball has quit [Ping timeout: 256 seconds]
[13:06:06] <archivist> I think that is in my bot logs
[13:07:20] <jepler> yeah I should take a look in my own logs. I know the dates we would have been talking about it: october 6/7 2013
[13:07:28] <jepler> aa08fad Avoid use of C++11 feature to initialize arrays and aggregates
[13:07:28] <jepler> c8ea07d interp/setup_struct: constructor definition
[13:10:22] <archivist> http://meetlog.archivist.info/meeting.php?id=201308
[13:10:32] <jepler> thanks
[13:11:57] <archivist> I remembered something being discussed :)
[13:15:14] <jepler> good memory
[13:15:51] <jepler> let's see what buildbot thinks of this
[13:15:53] <KGB-linuxcnc> 03Jeff Epler 05jepler/braced-init 3a2a5c8 06linuxcnc 10src/configure.in configure: make c++11 mandatory * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=3a2a5c8
[13:15:53] <KGB-linuxcnc> 03Jeff Epler 05jepler/braced-init 1184113 06linuxcnc 10src/emc/rs274ngc/interp_setup.cc interp: Use C++11 initializer-lists * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=1184113
[13:16:10] <archivist> wend and searched for the version number, everybody was using the name!
[13:16:10] <jepler> maybe after just 1 1/2 years I figured out what was wrong with the very original code :-P
[13:16:13] <archivist> went
[13:16:34] <jepler> ta
[13:16:48] <archivist> I have bugs that lie around for years too :)
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[13:21:31] <linuxcnc-build> build #3125 of 1200.rip-lucid-i386 is complete: Failure [4failed compile] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/1200.rip-lucid-i386/builds/3125 blamelist: Jeff Epler <jepler@unpythonic.net>
[13:22:51] <linuxcnc-build> build #3125 of 1201.rip-lucid-rtai-i386 is complete: Failure [4failed compile] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/1201.rip-lucid-rtai-i386/builds/3125 blamelist: Jeff Epler <jepler@unpythonic.net>
[13:23:00] <linuxcnc-build> build #3125 of 1202.rip-lucid-amd64 is complete: Failure [4failed compile] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/1202.rip-lucid-amd64/builds/3125 blamelist: Jeff Epler <jepler@unpythonic.net>
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[13:44:38] <seb_kuzminsky> linuxcnc-build: force build --branch=2.6 --revision v2.6.8 0000.checkin
[13:44:44] <linuxcnc-build> The build has been queued, I'll give a shout when it starts
[13:47:13] <jepler> kaboom
[13:47:45] <jepler> emc/rs274ngc/interp_setup.cc:175: error: bad array initializer
[13:47:48] <jepler> well so much for that
[13:48:28] <linuxcnc-build> build #3135 of 0000.checkin is complete: Failure [4failed] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/0000.checkin/builds/3135 blamelist: Jeff Epler <jepler@unpythonic.net>
[13:48:29] <linuxcnc-build> build forced [ETA 45m40s]
[13:48:29] <linuxcnc-build> I'll give a shout when the build finishes
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[14:00:11] <jepler> hmm and that diagnostic option doesn't do what I thought it did
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[14:27:24] <KGB-linuxcnc> 05jepler/braced-init 1184113 06linuxcnc 04. branch deleted * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=1184113
[14:27:45] <jepler> oh well, looks like C++11 support is still not at the necessary level in our oldest platform
[14:34:05] <linuxcnc-build> Hey! build 0000.checkin #3136 is complete: Success [3build successful]
[14:34:05] <linuxcnc-build> Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/0000.checkin/builds/3136
[14:35:29] <seb_kuzminsky> jepler: bummer
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[14:57:38] <jepler> why would you think that someone can and will explain to you why each and every line of source code is written as it is?
[14:57:57] <cradek> oh is he doing it again?
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[14:58:07] <jepler> I have one in my personal e-mail today
[14:58:40] <archivist> read the code comment!
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[14:59:59] <cradek> I can't decide whether I think that's worse than the whole devel list
[15:00:23] <archivist> I think it is worse,
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[15:00:56] <jepler> sigh
[15:01:07] <jepler> I shouldn't have said anything
[15:01:40] <archivist> I think some expect too much hand holding
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[15:15:49] <pcw_home> It is a bit of an question why the trajectory period is different that the servo thread rate
[15:15:50] <pcw_home> maybe at one time there was not enough CPU to run the TP at the servo thread rate
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[15:27:14] <jepler> yes, I think that was the reason, particularly with nontrivkins. but never in Linux CNC 2 have they actually been in separate threads so I don't think it helps anything.
[15:31:26] <archivist> it is a bit like the resolution of numbers question that has been nagging me for eons
http://www.collection.archivist.info/archive/DJCPD/PD/2014/2014_09_28_Ford_speedo_gears/IMG_1837.JPG see left gear, it is helical and should not be
[15:32:45] <archivist> I put extra encoders on the machine to diagnose and they said no problem
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[15:41:49] <cradek> archivist: weird
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[15:54:00] <pcw_home> Also in the category of questions I'm to lazy to read to read the source code and figure out myself:
[15:54:02] <pcw_home> Is the Cartesian velocity pin of motion accurate enough to drive a raster clock gen for multi-axis raster
[15:54:03] <pcw_home> "painting" hardware?
[15:55:30] <jepler> I've always supposed that clocking from the step pin or encoder count would be better
[15:56:29] <jepler> to modulate the brightness during accel/decel, no idea
[15:57:11] <jepler> .. unless you need to go right to the edge of your travel, just budget enough lead in distance to be at speed
[15:57:15] <pcw_home> yeah for a simple 1 axis raster than makes sense
[15:58:25] <jepler> "multi axis" so that you can mount the work, measure its angle, and rotate the coordinate system to match?
[15:59:06] <jepler> I guess I'd resample the source image in that case so it was still a 1-axis problem
[15:59:15] <pcw_home> well imagine "painting" a raster on a complex surface
[16:00:08] <jepler> the angle of the surface would have to figure into it too
[16:03:07] <jepler> If you're putting the outlines of the continents on a hemisphere with a 3-axis system, to get the same amount of burn near the edge (equator) you need a different feed rate than at the middle (pole)
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[16:05:33] <pcw_home> Right. I'm just trying to see if theres a more universal way of doing this than a rather hardwired
[16:05:34] <pcw_home> raster FIFO clock from rate multiplied (X,Y,Z encoder/stepgen)
[16:06:12] <jepler> if you've got a spare stepgen you can run it with the clock using a spare axis letter (like extruders do)
[16:09:26] <pcw_home> well the raster hardware is basically a stepgen that clocks as shift register that loaded from a 32 bit wide FIFO
[16:09:28] <pcw_home> (slow video basically)
[16:13:03] <jepler> I'm surprised that 32 bits wide is enough, but a little math shows me that if you fill the fifo every ms that still gets you >2m/s at 300dpi
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[16:28:35] <pcw_home> for non diode lasers the maximum modulation frequency is not that high anyway
[16:28:37] <pcw_home> also even with a diode laser at say 10 IPS, a 16 deep 32 wide FIFO 1/2 used gives 256 bits/ms or
[16:28:38] <pcw_home> ~1/25000 dot size so good enough...
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[16:32:12] <pcw_home> Luckily variable write sizes (for FIFO loading) are doable with hm2_eth
[16:32:14] <pcw_home> (unlike variable read sizes)
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[20:01:04] <seb_kuzminsky> uploading 2.6.8 now
[20:01:09] <seb_kuzminsky> announcement tonight
[20:01:11] <cradek> yay!
[20:01:14] <seb_kuzminsky> :-)
[20:01:18] * cradek dances around the bonfire
[20:02:15] <jepler> seb_kuzminsky: thank you
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[20:16:38] <skunksleep> Yay!
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[20:32:27] <JT-Shop> Yippie
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[21:45:50] <andypugh> Nearly every sample config contains “ #HALCMD = save neta”
[21:46:22] <andypugh> What would that actually do if uncommented? And is there a good reason for it to be there?
[22:03:23] <micges> it saves all nets in hal along with arrows
[22:04:07] <andypugh> OK, but does having it in the sample configs add anything?
[22:04:24] <andypugh> (Especially with no explanatory comment)
[22:05:08] <micges> no, I think its just leftover
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[22:16:24] <cradek> I don't think that has ever been a useful thing to do
[22:16:52] <andypugh> cradek: Yes, in a sample config you alreay gave the HAL
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[22:20:08] <cradek> I can almost imagine setting up all your hal connections interactively and then saving it, instead of editing a hal file. but to have linuxcnc save it every time? I don't get that.
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[22:21:14] <cradek> bbl
[22:21:41] <andypugh> Yes, it’s a potentially useful thing, but not by default in a sample config
[22:26:14] <micges> agree
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[22:31:08] <archivist> pcw_home, if it was a spray painting thing the you also have time of flight :)
[22:34:21] <archivist> in printers we varied the delay left/right to get verticals to align
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[23:36:17] <Tom_itx> another potentially useful thing would be having configure recognize more sections in the ini like [SPINDLE] or other things that could use tuning parameters besides [AXIS_x]
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[23:58:56] <andypugh> I can’t help feeling that the authors of Vismacj never intended anyone else to use it.
[23:59:05] <andypugh> (Vismach, that is)
