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[14:41:08] <KGB-linuxcnc> 03Dewey Garrett 05joints_axes12 a687caa 06linuxcnc 10lib/python/rs274/glcanon.py 10src/emc/usr_intf/axis/scripts/axis.py axis.py,glcanon.py rework icons display (JA) * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=a687caa
[14:41:08] <KGB-linuxcnc> 03Dewey Garrett 05joints_axes12 8a4b6ec 06linuxcnc 10(9 files) configs/sim/axis/ja_tests(new)temp sim configs JA * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=8a4b6ec
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[16:51:56] <ikcalB> hi guys. We've switched to a new MB lately, which provides excellent realtime capability (BIOS = stock => HT, VTx, ... all the bad enabled), still well below 20µs jitter (rather <10). BOARD: Fujitsu Siemens D3243-S mini ITX
[16:53:25] <ikcalB> yet we've got increasingly often: "unexpected realtime delay ... In recent history there were...". I looked up the code, and want to ask, whether I understand `src/emc/motion/control.c@258` correctly:
[16:54:48] <ikcalB> if I've got a board, which constantly has ultra low latency, occurs to has 1 cycle which is 20% above the 'recent history', the code issues a warning. not configurable, and no matter how little this delay is in relation to our thread-times?
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[17:03:18] <mozmck> ikcalB: Are you using RTAI?
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[17:06:30] <ikcalB> mozmck: yes we are. what are you thinking?
[17:14:36] <pcw_home> for velocity mode systems that have external hardware (velocity mode servos or hardware stepgens)
[17:14:37] <pcw_home> I would advocate removing the real time error pop-up and just logging the error (and say counting the occurrences ) ,
[17:14:39] <pcw_home> if it does not cause a following error, why do we care?
[17:14:40] <pcw_home> while I'm dreaming, I would also like independent following error limits set for warning and for fault
[17:21:09] <jepler> I agree that someone should have the courage to remove the "realtime delay" message from motion
[17:21:51] <jepler> that was added at a time that we didn't have an indication of an actual missed deadline from the RTOS and we created this heuristic
[17:27:42] <KGB-linuxcnc> 03Jeff Epler 05jepler/2.7/remove-heuristic-delay-warning ec56cef 06linuxcnc 10src/emc/motion/control.c motion: remove heuristic delay warning * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=ec56cef
[17:27:53] <jepler> I can't really test it since I have no rtai systems atm
[17:27:55] <jepler> but something like the above
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[17:28:25] <mozmck> nice!
[17:28:56] <mozmck> I was wondering why that was there as well as in rtapi
[17:29:01] <jepler> I'm pretty sure at the time we added that, we thought (rightly or not) that some RTAI version actively in use didn't indicate missed periods / overruns at all
[17:43:25] <ikcalB> jepler: many tnx. we're deploying some machines atm - but only with upstream binaries. as soon as that's available, we'll be happy to test that!
[17:44:32] <jepler> I hope someone will test it, since as I've stated I can't. No rtai system, and certainly none that spuriously show that message.
[17:44:53] <jepler> ultimately it's up to seb_kuzminsky what goes into a future 2.7 release
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[18:22:56] <KGB-linuxcnc> 03Dewey Garrett 05joints_axes12 5589031 06linuxcnc 10(8 files in 7 dirs) motion: disallow jogging axis w locking indexer JA * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=5589031
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[19:45:22] <seb_kuzminsky> ikcalB: you can test jepler's branch by installing the deb from here:
http://buildbot.linuxcnc.org/dists/wheezy/scratch-rt/binary-i386/linuxcnc_2.7.4~jepler.2.7.remove.heuristic.delay.warning~ec56cef_i386.deb
[19:45:33] <seb_kuzminsky> (for wheezy/rtai)
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[19:57:45] <jepler> thanks seb_kuzminsky, buildbot
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[20:44:26] <seb_kuzminsky> i had disabled deb building on armhf because the buildbot didn't know how to parallelize the deb build, and it took like 4 hours
[20:45:01] <seb_kuzminsky> i recently taught the buildbot to build each deb with something like "-j $(nproc)", and the u3 builds linuxcnc.deb in 68 minutes, maybe it's time to turn it back on
[20:45:11] <seb_kuzminsky> i'll try it
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[21:00:16] <jepler> I hope I didn't get too grumpy on-list
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[21:45:12] <CaptHindsight> nah
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[21:49:44] <cradek> > Every ARM SBC is different and terrible in its own way.
[21:49:49] <cradek> ain't that the truth
[21:52:58] <CaptHindsight> I try to get the point across that it's tough to beat a low cost to free PC with an ARM board for machine control with a GUI
[21:54:10] <CaptHindsight> especially with Intel offering new boards with cpu's for <$50
[21:55:55] <cradek> and I imagine they actually boot the OS you already have, and run the binaries you already have, and manage to have working USB and network and video
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[21:57:57] <cradek> (ok not always video)
[22:01:30] <CaptHindsight> many ARM boards claim that they run some Linux distro or image
[22:02:50] <CaptHindsight> then when you decide to try it and follow 17 different howto's that don't work you find that yeah it boots but ...
[22:03:17] <CaptHindsight> its far from having all the drivers or a stable toolchain
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[22:08:31] <CaptHindsight> memleak is playing with a new ARM board, going to see if he can build his own kernels but still use the binary video drivers
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[22:29:07] <tinkerer> @ Mr. Grumpy: ;)
[22:30:48] <tinkerer> I've a questions to the spi transfer in the 7I90HD
[22:31:22] <tinkerer> is the transfer full or half duplex?
[22:35:21] <tinkerer> e.
[22:35:21] <tinkerer> Master asserts /CS
[22:35:21] <tinkerer> Master sends 0x1000A830 7I90HD echos dummy data
[22:35:21] <tinkerer> Master sends 0x00000000 7I90HD echos register data @0x1000
[22:35:21] <tinkerer> Master sends 0x00000000 7I90HD echos register data @0x1004
[22:35:23] <tinkerer> Master sends 0x00000000 7I90HD echos register data @0x1008
[22:35:25] <tinkerer> Master de-asserts /CS
[22:37:15] <tinkerer> is the "dummy data" due to full duplex?
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[22:40:42] <seb_kuzminsky> jepler: your email was a breath of fresh air
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[22:42:23] <tinkerer> jepler: around?
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[23:20:50] <seb_kuzminsky> linuxcnc-build: force build --branch=master 0000.checkin
[23:20:51] <linuxcnc-build> build #3981 forced
[23:20:51] <linuxcnc-build> I'll give a shout when the build finishes
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[23:45:02] <linuxcnc-build> build #2161 of 1405.rip-wheezy-armhf is complete: Failure [4failed compile] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/1405.rip-wheezy-armhf/builds/2161
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[23:50:07] <linuxcnc-build> build #3981 of 0000.checkin is complete: Failure [4failed] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/0000.checkin/builds/3981
[23:53:31] <jepler> make: *** [.html-images-stamp] Illegal instruction
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[23:54:21] <jepler> also in the failure back in build 2156
[23:54:51] <jepler> Segmentation fault
[23:54:52] <jepler> make: *** [.html-images-stamp] Error 139
[23:54:57] <jepler> build 2153
[23:55:08] <jepler> not always the same though
[23:55:44] <jepler> and of course sometimes it succeeds