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[00:06:17] <PCW> I guess I could delete my rules file and test it, is it merged into 2.7?
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[01:14:45] <jepler> PCW: yes, it's merged into 2.7 now.
[01:21:37] <PCW> I guess my test system at work has been running hm2_eth for a while:
[01:21:39] <PCW> eth11 Link encap:Ethernet HWaddr d0:50:99:66:03:80
[01:21:41] <PCW> inet addr:10.10.10.1 Bcast:10.10.10.255 Mask:255.255.255.0
[01:21:42] <PCW> inet6 addr: fe80::d250:99ff:fe66:380/64 Scope:Link
[01:21:44] <PCW> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
[01:21:46] <PCW> RX packets:19450696631 errors:0 dropped:0 overruns:0 frame:0
[01:21:47] <PCW> TX packets:38895736569 errors:0 dropped:0 overruns:0 carrier:0
[01:21:49] <PCW> collisions:0 txqueuelen:1000
[01:21:50] <PCW> RX bytes:2268330503024 (2.0 TiB) TX bytes:3900668857119 (3.5 TiB)
[01:21:52] <PCW> Interrupt:20 Memory:efd00000-efd20000
[01:23:01] <jepler> wow
[01:23:16] <jepler> ~75 days at 3kHz?
[01:23:37] <PCW> something like that
[01:24:51] <PCW> probably more at 4 KHz but i;m running through a switch now
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[06:58:43] <KGB-linuxcnc> 03Sebastian Kuzminsky 05hy-vfd 67dd6a5 06linuxcnc 10src/hal/user_comps/huanyang-vfd/hy_vfd.c hy-vfd: fix the commanded freq calculation * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=67dd6a5
[06:58:43] <KGB-linuxcnc> 03Sebastian Kuzminsky 05hy-vfd bd2e99e 06linuxcnc 10src/hal/user_comps/huanyang-vfd/hy_modbus.c hy-vfd: improved communications error handling * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=bd2e99e
[06:58:43] <KGB-linuxcnc> 03Sebastian Kuzminsky 05hy-vfd c2b543f 06linuxcnc 10src/hal/user_comps/huanyang-vfd/hy_vfd.c hy-vfd: retry the initial read if it fails * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=c2b543f
[06:58:45] <KGB-linuxcnc> 03Sebastian Kuzminsky 05hy-vfd 3f31ef6 06linuxcnc 10src/hal/user_comps/huanyang-vfd/hy_vfd.c hy-vfd: allow abort while waiting for communications to come up * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=3f31ef6
[07:02:41] <KGB-linuxcnc> 03Sebastian Kuzminsky 05scorbot-er-3 905b456 06linuxcnc 03src/hal/components/differential.comp add a differential kinematics comp * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=905b456
[07:02:42] <KGB-linuxcnc> 03Sebastian Kuzminsky 05scorbot-er-3 d553870 06linuxcnc 10(5 files in 2 dirs) scorbot: use differential kins for the wrist * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=d553870
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[07:10:24] * archivist spots the differential comp
[07:12:04] <archivist> needed for a full hobbing implementation :)
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[07:19:37] <seb_kuzminsky> i hobbe it helps
[07:20:14] <archivist> it is the elechant in the middle
http://www.collection.archivist.info/hobbing.html
[07:20:22] <archivist> of the diagram
[07:21:30] <seb_kuzminsky> i dont think so
[07:21:38] <seb_kuzminsky> it's the diff at the top of this pic:
http://highlab.com/~seb/linuxcnc/scorbot-er-3/0302152207.jpg
[07:22:07] <seb_kuzminsky> also visible here:
http://highlab.com/~seb/linuxcnc/scorbot-er-3/1024131507a.jpg
[07:23:11] <archivist> same sort as in the diagram just used differently
[07:23:22] <seb_kuzminsky> yeha
[07:23:46] <seb_kuzminsky> the differential component takes roll and pitch commands, and returns motor0 and motor1 position commands
[07:24:18] <seb_kuzminsky> it was kind of neat seeing two motors cooperate to home roll, then cooperate again to home pitch
[07:25:45] <archivist> in the hobbing machine it feeds distance back to rotate the table to match feed distance for helical gears
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[07:29:17] <KGB-linuxcnc> 03Sebastian Kuzminsky 052.6 67e9dc0 06linuxcnc 10debian/configure packaging: add support for building on newer Ubuntus * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=67e9dc0
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[07:58:53] <seb_kuzminsky> show
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[08:00:18] <seb_kuzminsky> oops heh, it looks fine, i'll push it
[08:00:28] <KGB-linuxcnc> 03Sebastian Kuzminsky 052.7 62ce1bb 06linuxcnc 10debian/configure Merge remote-tracking branch 'origin/2.6' into 2.7 * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=62ce1bb
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[08:01:47] <KGB-linuxcnc> 03Sebastian Kuzminsky 05master 8df0f68 06linuxcnc 10docs/src/Submakefile Merge remote-tracking branch 'origin/2.7' * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=8df0f68
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[11:13:04] <skunkworks> zlog
[11:13:04] <zlog> skunkworks: Log stored at
http://tom-itx.no-ip.biz:81/~tom-itx/irc/logs/%23linuxcnc-devel/2015-07-01.html
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[12:32:15] <skunkworks> I got a reply from rob. 'Awesome, that makes things easier. I've been getting behind here because of an approaching deadline at work, but I will try to get to this soon.'
[12:32:31] <skunkworks> I sent him the shorter gcode program and cradek's branch
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[12:35:17] <skunkworks> I told him we needed it right now and this should take priority over any day job... ;)
[12:35:26] <skunkworks> or fiancee
[12:38:14] <skunkworks> zlog
[12:38:15] <zlog> skunkworks: Log stored at
http://tom-itx.no-ip.biz:81/~tom-itx/irc/logs/%23linuxcnc-devel/2015-07-01.html
[12:39:05] <skunkworks> <rogge> Seb - did Rob ever talk to you about state tags?
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[13:51:24] <linuxcnc-build> build #1390 of 1403.rip-wheezy-amd64 is complete: Failure [4failed runtests] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/1403.rip-wheezy-amd64/builds/1390 blamelist: Jeff Epler <jepler@unpythonic.net>, Sebastian Kuzminsky <seb@highlab.com>, Moses McKnight <moses@texband.net>, John Thornton <bjt128@gmail.com>
[13:53:52] <seb_kuzminsky> skunkworks: we talked briefly about it, but i was distracted by something else at the time, the arc tolerance thing i think
[13:54:12] <skunkworks> I am sure the closer they get their system to linuxcnc - the less work they need to do.
[13:54:19] <seb_kuzminsky> i remember cradek was in favor of it, but i haven't looked at it closely enough myself to form an opinion
[13:54:36] <skunkworks> I think there was questions on how to handle certain things.
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[13:55:33] <seb_kuzminsky> iirc it lets the interpreter annotate outgoing motion commands so that motion can report where in the program it is more effectively?
[13:56:38] <seb_kuzminsky> something like that should be considered for master, not for 2.7
[13:56:49] <seb_kuzminsky> we need to get 2.7 fixed & released
[13:57:21] <seb_kuzminsky> speaking of which, i'm going to go look at the build failure from last night
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[14:05:49] <linuxcnc-build> build #3240 of 0000.checkin is complete: Failure [4failed] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/0000.checkin/builds/3240 blamelist: Jeff Epler <jepler@unpythonic.net>, Sebastian Kuzminsky <seb@highlab.com>, Moses McKnight <moses@texband.net>, John Thornton <bjt128@gmail.com>
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[14:11:10] <cradek> I'm absolutely in favor of the annotations
[14:11:57] <cradek> however I'm wary about the running of gcodes at abort time to try to manipulate the gcode state backward from readahead state to runtime-equivalent state
[14:12:14] <cradek> when I looked at it, those two changes were together
[14:15:12] <cradek> I intended to study it more but then didn't :-/
[14:16:30] <cradek> skunkworks: yeah, for all the things we agree on, it's absolutely best for everyone if they push them up to us
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[14:17:07] <skunkworks> sure
[14:20:01] <skunkworks> (I would hope they keep using linuxcnc as the base...)
[14:26:37] <jepler> for ethernet latency, these folks found userspace busy polling with recvmsg(MSG_DONTWAIT) to be better than kernel busy polling or blocking readmsg.
[14:26:40] <jepler> https://blog.cloudflare.com/how-to-achieve-low-latency/#userspacebusypolling
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[14:27:13] <AndroUser> Hello everyone
[14:27:30] AndroUser is now known as REEEN
[14:28:03] <REEEN> I have a question to you guys, what is the pin limit in Hal ?
[14:28:29] <jepler> REEEN: the total number of pins is limited by the size of the HAL shared memory area
[14:28:31] <cradek> REEEN: number of pins is limited by the hal shared memory size, which you can adjust by rebuilding
[14:28:45] <jepler> REEEN: I don't know the specific number you can get with the current default, and as cradek says you can change this limit with a recompile
[14:28:48] <cradek> REEEN: I think the actual limit depends on things such as the length of pin names
[14:29:00] <jepler> in hal_priv.h
[14:29:01] <jepler> #define HAL_SIZE (75*4096)
[14:29:24] <REEEN> Is this the default value ?
[14:29:43] <REEEN> 75*4096 ?
[14:30:27] <cradek> do you have a problem you're trying to fix? if so what is it?
[14:31:49] <REEEN> Iam currently converting a machine which uses 100 io pins + 5 axes and i have a lot of comps with a lot of inputs, I don't want to get into trouble
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[14:32:49] <jepler> halcmd status shows you information about the usage of the hal shared memory area
[14:32:54] <jepler> HAL memory status
[14:32:54] <jepler> used/total shared memory: 312/307200
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[14:33:15] <cradek> ah I was just looking for that
[14:33:23] <REEEN> Okay very good !
[14:33:48] <REEEN> And if I run out of memory, I can adjust it ?
[14:34:26] <jepler> by changing HAL_SIZE and rebuilding linuxcnc.
[14:34:47] <REEEN> Okay, that sounds good
[14:35:11] <REEEN> One laat thing, you said it depends on pin names length ?
[14:35:30] <REEEN> Really ? Pin names length decreases memory ?
[14:35:40] <jepler> incidentally, a test component which does nothing but create float pins creates 3195 before running out of memory
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[14:36:28] <REEEN> Okay :D over 3000 with the defualt ?
[14:36:35] <jepler> in my test, using "tmp.%d" as the name template I get the same number of pins as using the template "tmp.xxxxxx.%d"
[14:37:16] <REEEN> Sorry I didn't get it :/
[14:37:36] <jepler> for determining the number of pins that can be created, the name of the pin doesn't matter.
[14:37:51] <jepler> the length of the name of the pin doesn't matter
[14:38:07] <jepler> a pin called "x" takes the same amount of memory as a pin called "this-is-a-long-descriptive-name"
[14:40:29] <mozmck> Isn't the only thing in shared memory the pin data - not the name?
[14:40:52] <jepler> mozmck: the pin structure, hal_pin_t, is entirely in the shared memory area
[14:41:04] <mozmck> I see.
[14:41:05] <jepler> and that includes the place the name is stored, 'char name[HAL_NAME_LEN + 1];'
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[14:41:34] <reeeeeen67> Sorry I lost my connection :/
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[14:41:53] <cradek> jthornton: I can't find the updating instructions for 2.5->2.6 and 2.6->2.7 (the latter might not exist yet) and this also led me to finding that at
http://www.linuxcnc.org/docs/2.7/html/ when I open "Getting Started" and click "Updating LinuxCNC" it's a broken link.
[14:42:04] <mozmck> Seems like I remember the ulimits having an effect on the HAL size?
[14:42:08] <pcw_home> we have customers using >200 I/O without an issue
[14:42:10] <pcw_home> I think the default shared memory size has bumped up a number of times
[14:42:13] <jepler> reeeeeen67: log stored at
http://tom-itx.no-ip.biz:81/~tom-itx/irc/logs/%23linuxcnc-devel/2015-07-01.html
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[14:42:27] <jepler> pcw_home: we seem to double it every couple of releases
[14:42:41] <jepler> 300kB is tiny on almost any system where you'd run linuxcnc
[14:43:03] <pcw_home> yeah but a lot of pins...
[14:43:14] <jepler> looks like the last increase was in 2014 by me, so that would be in 2.7 and not in 2.6.
[14:43:43] <jepler> increases in 2014, 2009, 2006
[14:44:08] <reeeeeen67> Okay that sounds good thank you
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[14:44:29] <reeeeeen67> Does the ha memory depend on the threads period ?
[14:44:30] <jepler> increases in 2014, 2009, 2006. the 2014 increase was intended to be approximately proportional to the increase in name length, which went from 41 to 47
[14:44:35] <jepler> reeeeeen67: no
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[14:45:14] <reeeeeen67> Is it good to use a slower thread for pins that don't need a fast one ?
[14:46:11] <reeeeeen67> or doesn't this affect performancein any way ?
[14:46:24] <jepler> if you mean "slower than the servo cycle", probably not
[14:46:33] <reeeeeen67> Yes slower
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[14:47:01] <reeeeeen67> Okay, so using the servo cycle is enough ?
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[14:47:35] <jepler> look at the .time and .tmax (parameters) of the functions you use to read and write your I/Os. If it's large relative to a typical 1 to 2kHz servo period, then yes you may need to use a slower thread
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[14:48:56] <jepler> (I forget, are time/tmax in CPU cycles or in nanoseconds?)
[14:49:07] <reeeeeen67> Nano
[14:49:24] <pcw_home> CPU cycles
[14:49:29] <reeeeeen67> Iam using mesa boards for my input
[14:49:38] <reeeeeen67> Sorry you are right
[14:50:06] <Roguish> cradek: just put the gmocappy issue on the forum. maybe cmorley or norbert will respond.
[14:50:26] <cradek> did you reproduce the problem while watching top?
[14:51:26] <reeeeeen67> Thank you all !
[14:53:04] <Roguish> cradek: not yet. i'm not milling now. maybe later this afternoon. is there a handy dandy little 'performance monitor' in debian?
[14:54:11] <cradek> top
[14:54:12] <cradek> use top
[14:54:15] <cradek> top is the thing to use
[14:54:47] <archivist> I always have an instance of top running
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[14:56:35] <Roguish> I will look for 'top' thanks.
[15:05:03] <skunkworks> I use top
[15:05:08] <skunkworks> ;)
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[15:10:24] <seb_kuzminsky> cradek: the 2.6->2.7 updating instructions are written & were available, but got lost in the recent docs reorg
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[17:37:52] <JT-Shop> I fixed that but need to either stash what I'm working on now or finish so I can push
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[17:50:45] <seb_kuzminsky> JT-Shop: do you have a working directory with several unrelated changes, some finished and some still in progress? there's a git command for that!
[17:57:49] <JT-Shop> yes I do
[17:57:58] <JT-Shop> git stash or something like that
[17:58:24] <seb_kuzminsky> you can do that, and sometimes that's the easiest way
[17:59:07] <seb_kuzminsky> but often i prefer to use "git gui" to select the files (or parts of files) that i want to commit, and leave the rest of the changes behind in the working tree
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[18:00:01] <JT-Shop> I already commited the fix but have uncommited changes left over
[18:00:18] <JT-Shop> I think you can't push unless you have everything commited
[18:00:38] <seb_kuzminsky> that's not true, you can push at any time
[18:00:57] <seb_kuzminsky> you generally can't switch branches if you have a dirty working tree
[18:01:13] <JT-Shop> ah, I knew it was something or other
[18:01:29] <JT-Shop> let me get these parts in the powder coat oven and go see
[18:01:35] <seb_kuzminsky> cool
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[18:10:13] <kwallace> Since we are on git, I deleted a file. We I pushed, git status showed the file as deleted. I did a git add on the rest of the files and pushed. Now git status says:
[18:10:17] <kwallace> kwallace@jupiter:~/repos/tormach_linuxcnc$ git status
[18:10:17] <kwallace> # On branch develop
[18:10:17] <kwallace> # Your branch is up-to-date with 'origin/develop'.
[18:10:17] <kwallace> #
[18:10:17] <kwallace> # Changes to be committed:
[18:10:18] <kwallace> # (use "git reset HEAD <file>..." to unstage)
[18:10:18] <kwallace> #
[18:10:19] <kwallace> # deleted: configs/tormach_lathe/python/stdglue.py
[18:10:19] <kwallace> #
[18:10:56] <kwallace> I can't seem to git rid of the non-existent file.
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[18:12:13] <kwallace> s We/then
[18:13:57] <kwallace> Oops. strike "We I pushed"
[18:14:22] <seb_kuzminsky> kwallace: you need "git rm $FILE"
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[18:15:00] <seb_kuzminsky> by using the non-git rm, you removed the file from your working directory but did not inform git that you want to also remove it from the repo
[18:15:22] <kwallace> kwallace@jupiter:~/repos/tormach_linuxcnc$ git rm configs/tormach_lathe/python/stdglue.py
[18:15:23] <kwallace> fatal: pathspec 'configs/tormach_lathe/python/stdglue.py' did not match any files
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[18:15:40] <seb_kuzminsky> i think it's "git rm -f" when it's after the fact
[18:15:52] <kwallace> Hmm...
[18:16:23] <kwallace> same result.
[18:16:24] <seb_kuzminsky> or you're in the wrong directory - you give "git rm" relative paths from where you are, just like with regular shell rm
[18:16:29] <seb_kuzminsky> pwd?
[18:16:39] <KGB-linuxcnc> 03John Thornton 052.7 7365f2d 06linuxcnc 10docs/src/index.tmpl Docs: fix typo in link * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=7365f2d
[18:16:47] <seb_kuzminsky> yay thanks JT-Shop
[18:16:58] <kwallace> I just copy what git status lists.
[18:17:37] <seb_kuzminsky> kwallace: oh wait, your paste shows that the file has already been removed from the index
[18:17:39] <jthornton> ok it won't let you git pull --rebase I knew it was something like that
[18:17:49] <seb_kuzminsky> it's listed under "changes to be committed"
[18:18:02] <seb_kuzminsky> so you should be able to say "git commit" now and it will make a commit removing that file from the repo
[18:18:25] <kwallace> Duhhh.
[18:18:33] <seb_kuzminsky> maybe i should actually read what the problem is before offering suggestions on how to fix it....
[18:20:21] <jthornton> what led me to that error was that the documents have 3 naming styles, humpy back, lower case, and some use - and some use _ to separate words.
[18:20:22] <kwallace> Yay, commit fixed it. Thank you.
[18:20:32] <seb_kuzminsky> kwallace: oh good :-)
[18:20:53] <seb_kuzminsky> jthornton: yeah, that's annoying and error-prone
[18:21:03] <seb_kuzminsky> thanks for fixing it
[18:21:07] <jthornton> I'm in favor of document-title.txt which is easier to type than Document_Title.txt
[18:21:22] <seb_kuzminsky> seconded
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[18:21:28] <jthornton> done
[18:21:38] <seb_kuzminsky> the ayes have it
[18:21:41] <seb_kuzminsky> bbl
[18:21:47] <jthornton> YEA!
[18:24:59] <kwallace> ay yai yai
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[23:37:04] <kwallace> Hello. I'm trying to install linuxcnc-dev . I'm using the wiki instructions and did the git get here:
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Installing_LinuxCNC#Getting_the_source_with_git which worked fine.
[23:37:26] -!- patrickarlt has quit [Ping timeout: 246 seconds]
[23:37:44] <kwallace> I did the dependency bit:
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Installing_LinuxCNC#Resolving_outstanding_build_dependencies
[23:38:22] <kwallace> Next:
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Installing_LinuxCNC#Building_LinuxCNC_realtime
[23:39:24] <kwallace> but "make" returns:
[23:39:27] <kwallace> kwallace@jupiter:~/linuxcnc-dev/src$ make
[23:39:27] <kwallace> Makefile:71: Makefile.inc: No such file or directory
[23:39:28] <kwallace> Makefile:82: *** Makefile.inc must specify RTPREFIX and other variables. Stop.
[23:39:28] <kwallace> kwallace@jupiter:~/linuxcnc-dev/src$
[23:40:35] <kwallace> ls shows a Makefile.inc.in
[23:41:31] -!- Miner_48er has quit [Ping timeout: 265 seconds]
[23:45:15] <kwallace> I AssUMed the file should be Makefile.inc so I renamed it. But now I get:
[23:45:28] <kwallace> kwallace@jupiter:~/linuxcnc-dev/src$ make
[23:45:28] <kwallace> Reading 0/174 dependency files
[23:45:28] <kwallace> Done reading dependencies
[23:45:28] <kwallace> if [ -f config.status ]; then ./config.status --recheck; else \
[23:45:28] <kwallace> echo 1>&2 "*** linuxcnc is not configured. Run './configure' with appropriate flags."; \
[23:45:29] <kwallace> exit 1; \
[23:45:29] <kwallace> fi
[23:45:30] <kwallace> *** linuxcnc is not configured. Run './configure' with appropriate flags.
[23:45:30] <kwallace> make: *** [config.status] Error 1
[23:45:31] <kwallace> kwallace@jupiter:~/linuxcnc-dev/src$
[23:45:55] <kwallace> I'm at a loss now.
[23:47:19] <kwallace> Crud, going back in the output shows configure didn't finish.
[23:48:25] <kwallace> configure: error: Tclx not found!
[23:48:25] <kwallace> install with "sudo apt-get install tclx"
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[23:54:13] <kwallace> Yay, it worked. Never mind.
