#linuxcnc-devel | Logs for 2016-04-20

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[00:47:52] <jepler> dgarr: right, thanks
[00:49:17] <jepler> dgarr: OK, you're right. thanks for waiting.
[00:49:39] <jepler> it's is_foam that is a function one place and an attribute another :)
[00:49:40] <jepler> :(
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[01:25:48] <seb_kuzminsky> hm2-buildmaster: force build --branch=master build
[01:25:49] <hm2-buildmaster> build #54 forced
[01:25:49] <hm2-buildmaster> I'll give a shout when the build finishes
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[01:47:22] <hm2-buildmaster> Hey! build build #54 is complete: Success [3build successful]
[01:47:22] <hm2-buildmaster> Build details are at http://buildbot.linuxcnc.org/hm2-buildbot/builders/build/builds/54
[01:50:12] <seb_kuzminsky> woo
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[01:56:20] <KGB-linuxcnc> 03Dewey Garrett 05master b1fb19c 06linuxcnc 10src/hal/components/lowpass.comp lowpass.comp: man page help for setting gain pin * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=b1fb19c
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[02:03:19] <jepler> seb_kuzminsky: thanks
[02:03:22] <jepler> *raises glass*
[02:05:54] <skunkworks> if the drives enables are enable-not - what are the chances of me being able to just hook the 7i48's enable to it?
[02:08:06] <skunkworks> (+ to the enable and - to common)
[02:22:24] <seb_kuzminsky> cheers
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[03:20:22] <pcw_home> if they are active low enables, that should work
[03:22:14] <pcw_home> for the crazy AMC ground-to-disable drives, you need a relay (or a normally on OPTO=formB, turns out these do exist)
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[03:38:15] <dgarr> pcw_home: see AMC ap note an-009.pdf regarding jumper J1 which is (sometimes?) available to alter the inhibit (it was on my 30A8's)
[03:38:18] <dgarr> http://search.freefind.com/find.html?oq=glossary&id=52826417&pageid=r&_charset_=UTF-8&bcd=%C3%B7&scs=1&query=j1+jumper&Find=Search&mode=ALL&search=all
[03:39:14] <pcw_home> Yeah I guess thats available on some, I had forgotten
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[07:22:20] <seb_kuzminsky> :q
[07:22:30] <seb_kuzminsky> oops
[07:22:31] <seb_kuzminsky> time for bed
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[12:41:54] <skunkworks> https://groups.yahoo.com/neo/groups/mach1mach2cnc/conversations/messages/150666
[12:42:45] <skunkworks> pcw_home: thanks - going to try it.
[12:42:59] <skunkworks> almost to the point of moving some axis..
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[16:25:00] <JT-Shop> zlog
[16:25:00] <zlog> JT-Shop: Log stored at http://tom-itx.no-ip.biz:81/~tom-itx/irc/logs/%23linuxcnc-devel/2016-04-20.html
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[16:31:16] <JT-Shop> <pcw_home> The h97 pro4 has been flawless at 4 KHz for about a year uptime
[16:31:38] <JT-Shop> pcw_home: are you running rtai or rt preempt on that one?
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[16:44:09] <pcw_home> RT-Preempt
[16:44:20] <lair82> JT-Shop, I'm using that same board, and the questions on the user channel are related to this machine.
[16:44:40] <pcw_home> it has similar RTAI and RT-Preempt latencies (7-10 usec)
[16:45:00] <mozmck> pcw_home: you mentioned you might change the default IP address to 10.10.10.10 at some point in the 7i92 - have you done that?
[16:45:30] <pcw_home> the defualt EEPROM address is 10.10.10.10
[16:45:37] <pcw_home> default
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[16:45:55] <mozmck> And it used to be 192.168.1.x?
[16:46:17] <pcw_home> Yes it used to be 192.168.1.122
[16:46:51] <pcw_home> I will leave the ROM address (jumpers down) at 192.168.1.121
[16:47:06] <mozmck> On all the board so far we move a jumper to change the IP to 10.10.10.10
[16:47:39] <pcw_home> yes that will work (jumpers down,up)
[16:48:06] <pcw_home> you can also use bootp :-)
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[16:48:26] <mozmck> Ok, so our jumper settings will stay the same.
[16:49:21] <pcw_home> I want to keep the 192.168.1.121 ROM address since its a in a very common internal network range
[16:49:24] <mozmck> bootp? I think moving a jumper is easier :-)
[16:50:00] <JT-Shop> will a celeron processor be ok for that h97 pro4 mb?
[16:50:08] <mozmck> Ok - I was thinking you said you might change that - doesn't matter to me.
[16:50:20] <pcw_home> well bootp can be set to work for a range of mac addresses so can be made to always work with mesa Ethernet FPGA cards
[16:51:00] <pcw_home> (which always are 00 60 1B XX XX XX )
[16:51:12] <mozmck> I see.
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[16:52:43] <pcw_home> you can edit the source if you wish to change the ROM ID
[16:52:45] <pcw_home> I guess I could add 2 ROM addresses (theres an unused jumper setting)
[16:54:01] <mozmck> It doesn't matter to me, I was just checking if it was changing on the new boards. Easy enough for us to move a jumper!
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[16:58:03] <pcw_home> we have a customer thats changing the ROM IP address,
[16:58:05] <pcw_home> But I honestly don't think is a great idea at least testability wise
[16:58:06] <pcw_home> (and mesaflash has the 192.168.1.121 as a default IP if not specified)
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[18:08:38] <PCW> With the latest Preempt-RT kernel (4.4.7-RT16) and the kernel config I swiped from OSADL
[18:08:40] <PCW> The Zotac CI323 has been up a couple days with hm2_eth at 1 KHz running videos etc
[18:10:32] <PCW> so maybe the 4.4.x kernel are good for something ( they just don't like the Core Duo )
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[18:24:40] <JT-Shop> is there a bit file for the 7i92 for a parallel port bob like the C1 or C1G from cnc4pc?
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[18:25:28] <PCW> Just tried 4.4.7-rt16 on the G3258 and its fine so maybe the 4.4.x kernels
[18:25:29] <PCW> just cause pain and suffering on older hardware
[18:25:51] <PCW> JT-Shop: probably
[18:26:40] <JT-Shop> looks like they are typical outputs on 1,2,3,4,5,6,7,8,9,14,16,17
[18:26:57] <JT-Shop> in inputs on 10,11,12,13,15
[18:27:20] <PCW> 7i92_DMMBOB1x2D.bit
[18:27:22] <PCW> 7i92_G540x2D.bit
[18:27:23] <PCW> 7i92_MX3660x2D.bit
[18:27:25] <PCW> 7i92_R990x2D.bit
[18:27:26] <PCW> are likely suspects
[18:27:57] <JT-Shop> thanks
[18:28:05] <PCW> you could look at the similarly named 5i25 .pin files for pinouts
[18:29:19] <PCW> or do
[18:29:21] <PCW> mesaflash --device 7i92 --write xxxxx --reload
[18:29:23] <PCW> mesaflash --device 7i92 --readhmid >7i92_xxxx.pin
[18:29:25] <PCW> a bunch of times
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[18:31:04] <JT-Shop> the 540 has the right pin out
[18:31:20] <lair82> PCW, would it be worth updating my RT kernel then, if you are seeing favorable results on the 4.4 kernels?
[18:32:03] <PCW> I doubt it, the G3258 has been fine with most kernels post 3.18 or so
[18:32:55] <lair82> Also, should I be able to build Preempt RT uspace on Mint 17.3 using the cheat sheet you sent me to install and update Preempt?
[18:35:01] <lair82> Here is what you sent me, https://app.box.com/s/i3wuqj1e68po2zx57bnehbqmqx7jra0r
[18:35:47] <PCW> yeah I think you need to add ssl-dev or something
[18:35:48] <PCW> I'm running Mint 17.3 on this:
[18:35:50] <PCW> http://www.newegg.com/Product/Product.aspx?Item=N82E16856173128&cm_re=zbox-_-56-173-128-_-Product
[18:35:52] <PCW> not tried anything fancy like gmoccapy though
[18:36:16] <lair82> OK, I will leave well enough alone in regards to the G3258, I'm up for trying anything
[18:36:31] <lair82> Anything to get off of Wheezy
[18:37:42] <lair82> Your running a CNC control with that?????
[18:38:05] <lair82> And I could hook my 7i80 to that thing and run my mill?
[18:38:56] <PCW> yeah since you dont need any slots (and that box has dual LANs)
[18:39:07] <lair82> Thats sick.
[18:39:39] <PCW> its still much slower than the G3258 so probably not the best for fancy systems
[18:40:11] <PCW> but they are nice, and can be mounted on the back of a monitor
[18:40:18] <lair82> Regardless, that is pretty wild, that I could control a CNC with that little thing
[18:41:33] <PCW> you can control a CNC with much less
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[18:46:48] <MarkusBec> you can control a cnc with a single 8051
[18:48:02] <lair82> And I do or do not need to use the "isolcpus=1" when running wheezy using Preempt RT?
[18:48:54] <jepler> if you are happy with the latency you get, then don't change that setting.
[18:49:11] <jepler> don't change things you don't need to change
[18:51:11] <lair82> I won't if I don't need to, but I was chasing my tail with RT faults, and the ethtool command was what actually fixed it, so I'm not sure about the isolcpus=1.
[18:52:26] <jepler> on two core or one core, two-thread systems, some people report that isolcpus=1 has a beneficial effect.
[18:52:34] <jepler> the flag does have an effect on rt-preempt systems
[18:52:47] <jepler> but since only you can test your system, I can't tell you whether you benefit from it
[18:56:23] <lair82> How could I revert the Isolcpus=1 to remove it, so the systems functions as if it wasn't there, that way I could test if it is helping or not?
[19:05:05] <PCW> I my experience with the G3258, isolcpus made Ethernet slower
[19:05:45] <PCW> that is, it limited the maximum thread rate I could acheive
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[19:09:28] <lair82> How do remove it then?
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[19:13:57] <mozmck> Isn't it something you added to the grub boot config? You would remove it from there.
[19:14:26] <mozmck> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?The_Isolcpus_Boot_Parameter_And_GRUB2
[19:14:50] <PCW> yeah, edit /etc/default/grub
[19:16:25] <PCW> remove the offending cmd line tokens and run update-grub
[19:18:37] <mozmck> yeah, forgetting to run update-grub has bitten me a few times.
[19:18:46] <lair82> Aaahhh, I see, ok, thanks
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[19:20:36] <lair82> I'm out, talk to you guys later, Thanks
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[21:49:45] <JT-Uspace> I just copied and pasted a 4th axis to a config and get this error emcTrajSetAxes failing: axes=4 axismask=47
[21:49:58] <JT-Uspace> emcMotionInit: ini_hal_init fail
[21:50:31] <JT-Uspace> HAL: ERROR: duplicate component name 'inihal'
[21:50:49] <JT-Uspace> ini_hal_init: ERROR: hal_init() failed
[21:54:30] <JT-Uspace> oh the number of axes vs the axis names I had U and 4
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[23:01:03] <skunkworks> servos hooked up - estop/overtravel loop figured out. So close to motion.
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