#linuxcnc-devel | Logs for 2014-01-31

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[00:25:39] <linuxcnc-build> build #1730 of lucid-rtai-i386-clang is complete: Failure [4failed compile] Build details are at http://buildbot.linuxcnc.org/buildbot/builders/lucid-rtai-i386-clang/builds/1730 blamelist: Michael Geszkiewicz <micges@wp.pl>
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[00:34:40] <linuxcnc-build> build #40 of deb-precise-xenomai-binary-amd64 is complete: Failure [4failed apt-get-update shell_3] Build details are at http://buildbot.linuxcnc.org/buildbot/builders/deb-precise-xenomai-binary-amd64/builds/40 blamelist: Dave <dave@CalypsoVentures.com>
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[00:43:32] <brianmorel99> Using google there was a message from the buildbot about not defining _FORTIFY_SOURCE when using CNC. Was this option added to the configure script?
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[00:45:54] <brianmorel99> Sorry, gcc. I normally grep and remove it from the .in files, but I have to redo it after each pull.
[00:46:22] <linuxcnc-build> build #813 of precise-amd64-xenomai-rip is complete: Failure [4failed apt-get-update compile] Build details are at http://buildbot.linuxcnc.org/buildbot/builders/precise-amd64-xenomai-rip/builds/813 blamelist: Michael Geszkiewicz <micges@wp.pl>
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[00:49:02] <brianmorel99> "real 5m31.424s" with make , "real 1m28.992s" with make -j8
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[00:51:55] <linuxcnc-build> build #934 of precise-i386-realtime-rip is complete: Failure [4failed compile] Build details are at http://buildbot.linuxcnc.org/buildbot/builders/precise-i386-realtime-rip/builds/934 blamelist: Michael Geszkiewicz <micges@wp.pl>
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[01:01:59] <linuxcnc-build> build #1340 of deb-lucid-rt-binary-i386 is complete: Failure [4failed shell_3] Build details are at http://buildbot.linuxcnc.org/buildbot/builders/deb-lucid-rt-binary-i386/builds/1340 blamelist: Dave <dave@CalypsoVentures.com>
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[01:07:42] <linuxcnc-build> build #839 of precise-x86-xenomai-rip is complete: Failure [4failed apt-get-update compile] Build details are at http://buildbot.linuxcnc.org/buildbot/builders/precise-x86-xenomai-rip/builds/839 blamelist: Michael Geszkiewicz <micges@wp.pl>
[01:09:24] <linuxcnc-build> build #1734 of lucid-i386-realtime-rip is complete: Failure [4failed compile] Build details are at http://buildbot.linuxcnc.org/buildbot/builders/lucid-i386-realtime-rip/builds/1734 blamelist: Michael Geszkiewicz <micges@wp.pl>
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[01:13:36] <skunkworks> pcw, well - have you tried it? hmm - there are some failures...
[01:16:52] <PCW> works for me
[01:18:03] <PCW> at least on AMD 350E 8139 and 8169/8111
[01:22:59] <memleak> be interesting to see RT-net working with 127.0.0.1 lo ethernet controller
[01:23:25] <memleak> ifconfig lo 192.168....?
[01:23:43] <PCW> well that would drop the wire time
[01:29:25] <skunkworks> how is the thread time?
[01:32:42] <PCW> I dont recal what is was before on the AMD but the nominal value has gone down to about 250 usec from I think about 400
[01:32:58] <PCW> peak maybe 450 usec
[01:35:39] <PCW> crap the "cant find package Img' problem
[01:37:16] <linuxcnc-build> build #1734 of checkin is complete: Failure [4failed] Build details are at http://buildbot.linuxcnc.org/buildbot/builders/checkin/builds/1734 blamelist: Michael Geszkiewicz <micges@wp.pl>
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[01:46:40] <PCW> nominal value has gone down to about 150 usec (forgot the silly CPU speed)
[01:49:33] <skunkworks> pcw, you have to install - tkdev-img or something like that..
[01:50:28] <skunkworks> sudo apt-get install libtk-img
[01:50:46] <PCW> yeah i remembered
[01:51:24] <skunkworks> (forgot I had installed sim here)
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[01:55:59] <PCW> the d525 is faster than the AMD 350E (325 or so usec worst case read time)
[01:56:00] <PCW> but not much torture yet
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[02:29:07] <PCW> 2 KHz servo thread on the D525 -->7I80
[02:33:34] <skunkworks> yeay
[02:33:36] <skunkworks> yay
[02:36:23] <PCW> will try on faster machine at home
[02:37:16] <skunkworks> can't wait to try it.
[02:37:53] <PCW> And I think mhaberlers suggestion of using PACKET_RX_RING is a great idea
[02:38:28] <skunkworks> I don't know what that means
[02:40:24] <skunkworks> using the same realtime/nic driver - just a different way to send/recieve data?
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[03:41:27] <pcw_home> a more direct way to get at the data
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[08:01:36] <KGB-linuxcnc> 03Norbert Schechner 05master 235bc99 06linuxcnc 10share/gscreen/skins/gmoccapy/gmoccapy_handler.py 10share/gscreen/skins/gmoccapy/release_notes.txt gmoccapy_0_9_9_9_3 - feed override bug solved * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=235bc99
[08:01:36] <KGB-linuxcnc> 03Norbert Schechner 05master 19ce87b 06linuxcnc Merge branch 'master' of ssh://norbert@git.linuxcnc.org/git/linuxcnc.git * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=19ce87b
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[12:55:32] <skunkworks> 2.4GHZ/747000 clocks - invert - 311us total thread time..
[12:57:38] <skunkworks> that is about half - awesome
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[13:18:48] <skunkworks> and look at that - following error is about tice as good.. .00016 vs .00031
[13:18:56] <skunkworks> http://imagebin.org/290113
[13:19:10] <skunkworks> funny that I seemed to have to increase ff2 just a smidge
[13:27:37] <skunkworks> this machine (think it is a dual core petium 4 2.4ghz seems to run 2khz just fine)
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[13:33:35] <skunkworks> Now - after micges changes last night. Great!
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[14:47:40] <skunkworks> running for a couple hours now at 2khz
[14:55:40] <skunkworks> was the read time that variable before? http://imagebin.org/290132
[14:56:28] <cradek> my wheezy/rtai machine ran opengl programs all night and is showing 9877
[14:56:36] <skunkworks> wow - nice
[14:57:11] <skunkworks> ship it!
[14:57:31] <cradek> either I always get lucky, or most machines work fine with rtai, or most machines that are like my available junk work fine with rtai
[14:57:36] <cradek> hard to say which it is
[14:57:54] <skunkworks> I have good luck with rtai
[14:58:15] <archivist> I have had a few terrible PCs
[14:58:44] <skunkworks> the matsuura ran quite a while with the servo fix.. now we need to figure out why dad can't turn the spindle on..
[14:58:48] <archivist> I have one that I think is a special case that may be worth investigating
[14:59:28] <skunkworks> when I was there the spindle came right on.. both time dad tried - it didn't :)
[14:59:46] <cradek> skunkworks: maybe it's related to the toolchanger not working - orient sensor problem maybe?
[15:00:07] <cradek> mine will act that way when the orient pin is sticky (it is sometimes)
[15:00:23] <skunkworks> right - we have to dig into it.. I had fiddled with the tool changer, collet unclamp when I left - I may have left it in an odd state
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[15:00:56] <skunkworks> it sound really nice.
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[15:01:17] <skunkworks> the servos give quite a squeel when you push them\
[15:01:52] <skunkworks> even if it isn
[15:02:21] <skunkworks> even if it isn't 100% operational - it will make it so we don't have to guess what 90% of the stuff is doing in there to convert
[15:02:49] <cradek> yeah it's so nice to understand the old stuff
[15:03:06] <cradek> but if I had to choose, having schematics is better
[15:03:25] <skunkworks> yes - your jr schematics helped - but it is a little different
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[15:03:54] <skunkworks> I have some feelers out to see if I can find atleast an operations manual and if I am really lucky a service manual
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[16:31:16] <KGB-linuxcnc> 03Norbert Schechner 05master b16a107 06linuxcnc 10share/gscreen/skins/gmoccapy/gmoccapy_handler.py 10share/gscreen/skins/gmoccapy/release_notes.txt gmoccapy_0_9_9_9_4 - added a pin to delete message * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=b16a107
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[16:51:00] <skunkworks> pcw_home, http://imagebin.org/290143
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[16:51:24] <skunkworks> 2.7ghz 2 nics - pro/100 is the 7i80
[16:51:40] <skunkworks> around 200us read times
[16:52:04] <skunkworks> I had to go back to .00015 for ff1
[16:52:15] <skunkworks> and I can surf with the other
[16:52:17] <skunkworks> nic
[16:52:30] <skunkworks> amd system
[16:55:00] <skunkworks> 2khz
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[16:55:37] <skunkworks> looks like I could reduce ff2 a little more.. (and I meant ff2 above)
[16:56:46] <pcw_home> I cant quite run my desktop at 2 KHz (flash videos cause latency spike that push it over the edge)
[16:56:47] <pcw_home> but the D525 seems better. I suspect the worst spikes can be reduced by using the RX_RING,TX_RING
[16:56:49] <pcw_home> interface (that avoids the system calls entirely)
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[16:58:42] <pcw_home> this basically give you memory access the the drivers ring buffers (even polling for the rx packet is just polling the packet header in the ring buffer)
[16:59:50] <pcw_home> s.the the/to the/
[17:00:33] <skunkworks> sounds promising
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[19:06:09] <seb_kuzminsky> http://www.anandtech.com/show/7724/it-begins-amd-announces-its-first-arm-based-server-soc-64bit8core-opteron-a1100
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[19:07:15] <skunkworks> pcw_home, I had to switch the nics.. - I was getting realtime delays when I had the 7i80 hooked into the pro/100 pci cards - Swapped it so it was hooked to the onboard with the internet hooked into pro/100
[19:08:24] <andypugh> I want to add isolcpus to a u-Boot device.
[19:09:45] <andypugh> It appears that the way to do this is _not_ to setenv bootargs as the Internet insists. That isn't working. Someone on a different channel insists that I need to recompile the kernel. This is no big deal, but I don't know how to configure isolcpus at compile time. Any ideas?
[19:10:56] <skunkworks> pcw_home, and it is running 2khz
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[19:11:51] <seb_kuzminsky> andypugh: i have very little experience with uboot, but *surely* it can pass arguments to the kernel it's booting?
[19:12:07] <seb_kuzminsky> it must do things like tell the kernel it's boot device
[19:12:16] <skunkworks> pcw_home, and it plays youtube vidoes.. ;)
[19:12:18] <andypugh> This is why I am seeking a second opinion.
[19:13:09] <seb_kuzminsky> i bet the internet is right, and uboot can pass args to the kernel
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[19:16:34] <andypugh> seb_kuzminsky: Does this mean anything to you? The result of interrupting the boot process and typing "printenv" http://pastebin.com/HEUEmhw3
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[19:21:50] <andypugh> Hmm, "mmcargs" looks a lot like the result of cat /proc/cmdline
[19:22:24] <andypugh> Though I have no idea at all how to edit that in a serial terminal....
[19:24:01] <zultron> Agh, that's awful, an ARM-based Opteron?
[19:24:17] <zultron> So sad. I used to work for AMD. They were once awesome.
[19:25:17] <archivist> reusing the opteron name is just wrong
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[19:27:22] <zultron> It makes me want to cry.
[19:29:39] <skunkworks> on a random note - they just got kitkat builds for my nook color.. can't wait to try it. kitkat running decent on 2010 technology..
[19:29:53] <skunkworks> those xda people are awesome
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[20:13:11] <skunkworks> micges, running well.
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[20:23:38] <skunkworks> http://www.youtube.com/watch?v=dpxS1t874DY&feature=youtu.be
[20:23:42] <skunkworks> sorry - crappy video
[20:33:55] <seb_kuzminsky> andypugh: are you using a boot.scr bootscript from your root image?
[20:34:40] <micges> skunkworks: nice
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[20:34:56] <micges> skunkworks: hdd didn't fell? ;)
[20:36:12] <skunkworks> wow - that is close to the edge...
[20:36:40] <micges> skunkworks: what is read time?
[20:37:23] <skunkworks> averages at about300us or so with some spikes
[20:37:40] <skunkworks> but it is running no problem at 2khz thread
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[20:38:50] <skunkworks> http://imagebin.org/290143
[20:39:39] <micges> great
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[20:40:49] <skunkworks> Great work!
[20:43:20] <andypugh> seb_kuzminsky: I really have no idea
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[20:43:57] <andypugh> seb_kuzminsky: But I edited mmcargs and now have the expected kernel paameters, and they succesfully crash Xenomai :-/
[20:44:12] <seb_kuzminsky> andypugh: i think the boot command on line 6 is what uboot runs to boot your system
[20:44:40] <andypugh> Yea, that was my guess too.
[20:44:45] <seb_kuzminsky> it tries to load boot.scr from the mmc partition, and if that succeeds, it runs it
[20:45:02] <seb_kuzminsky> if it fails to load the script it runs the internal scripts
[20:45:04] <andypugh> Any idea how to test if isolcpus is working?
[20:45:09] <seb_kuzminsky> errr
[20:45:11] <seb_kuzminsky> no
[20:45:31] <skunkworks> top and see if 1 processor is 0%?
[20:45:42] * skunkworks doesn't really know
[20:45:44] <andypugh> All processors are at 0% :-)
[20:49:04] <PCW> They must be _very_ fast
[20:49:28] <andypugh> It's running a serial terminal and nothing else
[20:50:09] <PCW> unix is always running something else
[20:50:55] <andypugh> Much of today I have not been running Unix, just u-boot
[20:50:58] <skunkworks> andypugh, http://www.youtube.com/watch?v=qgnChnpW58M
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[20:53:18] <andypugh> I prefer this instance of Andy Pugh: http://www.linkedin.com/pub/andy-pugh/55/372/275
[20:53:48] <skunkworks> wow - I would not have thought it a common name..
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[23:20:35] <memleak> andypugh, not even udev?
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