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[00:41:09] <zultron> skunkworks, do an 'apt-get update' and 'apt-get install smictrl'
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[00:41:48] <zultron> Then try 'smictrl' and send the output; 'smictrl 0' to turn off SMIs globally; then 'smictrl' again & send output
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[00:42:18] <zultron> Hopefully this will make a difference.
[00:42:36] <zultron> (Sorry there's no instructions yet)
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[01:08:20] <skunkworks> zultron: ok - I will try it tomorrow
[01:09:12] <zultron> Thanks skunkworks ! I put a little info here:
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?XenomaiKernelPackages
[01:10:09] <skunkworks> no - thank you :)
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[12:08:24] <jthornton> the G540 step/direction times in the stepconf wiz are marginal at best, any objections to updating them in 2.5 to a more stable value of 2000 ns for step and 700ns for direction?
[12:09:55] <cncbasher___> i'd agree
[12:10:59] <jthornton> is that really you? LOL your on here 4 times
[12:11:19] <cncbasher___> ha yea
[12:11:44] <cncbasher___> how the hell to get rid of the other imposters ..
[12:12:13] <cncbasher___> quassel crashed on me .. so now when it logs it it just adds another
[12:13:00] <cncbasher___> think i'll go back to a pen and a sheet of paper ..
[12:13:36] <jthornton> lol
[12:13:53] <cncbasher___> thanks for finding the note on the geko , i was looking for is also
[12:13:54] <jthornton> I think they vapoorise after a while
[12:14:05] <jthornton> it was tough to find
[12:14:37] <jthornton> I finally searched for 540 and looked at each post from Peter till I found it
[12:14:40] <cncbasher___> have you try'd pygngui in gscreen as yet ?
[12:14:58] <jthornton> did chris add it to gscreen?
[12:15:22] <cncbasher___> not as yet , just wondering whats needed to do ?
[12:15:33] <jthornton> Dewey sent me an update for touchy
[12:15:43] <cncbasher___> yea i got it
[12:15:55] <cncbasher___> v21
[12:16:13] <jthornton> I'm still trying to include it in my custom gui... Dewey sent me an example jtst.py but I'm still digesting it
[12:16:47] <cncbasher___> arh ok .. enjoy digesting ..
[12:17:14] <jthornton> you want to look at it?
[12:17:39] <cncbasher___> yea
[12:18:48] <jthornton> I sent you the transcript from Dewey right?
[12:18:59] <cncbasher___> thanks i'll take a look
[12:19:22] <jthornton> get j.tar from him, that is the example file
[12:20:06] <cncbasher___> ok got it
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[13:31:10] <skunkworks> How do I know and add the package source for the smi utility?
[13:31:13] <skunkworks> sudo apt-get install smictrl
[13:31:19] <skunkworks> Isn
[13:31:28] <skunkworks> Isn't found
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[15:55:26] <KGB-linuxcnc> 03seb 05v2.5_branch e9ac573 06emc2 10debian/control.in 10tests/linuxcncrsh/test.sh * tests: use nc instead of telnet to connect to linuxcncrsh
[15:55:26] <KGB-linuxcnc> 03seb 05v2.5_branch 78337f6 06emc2 10tests/linuxcncrsh/test.sh * tests: better waiting for linuxcncrsh to come up
[15:55:29] <KGB-linuxcnc> 03seb 05v2.5_branch 23cfccb 06emc2 10tests/linuxcncrsh/test.sh * tests: ask linuxcncrsh to keep up with its input better
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[16:36:09] <seb_kuzminsky> err.... wtf?
http://buildbot.linuxcnc.org/clang/v2.5_branch-sim/v2.5.1-269-g23cfccb/report-nU3IeM.html#LN1831
[16:46:45] <cradek> what an odd smell
[16:47:48] <cradek> is it guaranteed that you can realloc a pointer given by malloc(0)?
[16:48:02] <cradek> if it doesn't fail (return NULL) I think it's probably the case
[16:49:24] <seb_kuzminsky> from tfm:
[16:49:26] <seb_kuzminsky> If size is 0, then malloc() returns either NULL, or a unique pointer value that can later be successfully passed to free().
[16:50:27] <cradek> well either way, you can realloc that result
[16:50:41] <cradek> so it's fine
[16:51:03] <seb_kuzminsky> yeah, you're right
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[16:51:50] <seb_kuzminsky> but as you say, bad aji
[16:51:57] <cradek> in which case you may as well start with NULL, but whatevs
[16:52:15] <seb_kuzminsky> i don't think i've ever seen anyone malloc(0) on purpose before
[16:53:14] <cradek> in a way, I can see it as much more self-documenting than starting with NULL
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[16:56:58] <pcw_home> its zen programming
[16:57:40] <seb_kuzminsky> pcw_home: more like drunken master style, looks to me ;-)
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[16:59:06] <seb_kuzminsky> this may be the greatest kung fu scene ever recorded:
https://www.youtube.com/watch?v=gcPJ5qSnrEI
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[17:07:29] <pcw_home> Thats is really great
[17:07:48] <cradek> it sure goes on a while
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[17:19:18] <L84Supper> actual Bruce Lee footage in the Game of Death will probably remain untouchable
[17:24:07] <seb_kuzminsky> oh i see, clang is complaining because the behavior of malloc(0) is not completely defined by posix, it's left as "implementation dependent"
[17:24:17] <seb_kuzminsky> http://pubs.opengroup.org/onlinepubs/009695399/functions/malloc.html
[17:24:18] <seb_kuzminsky> meh
[17:25:19] <jepler> seb_kuzminsky: passing the result of malloc(0) to free is just fine, and passing NULL to free is just fine. I don't know what clang's problem is.
[17:25:34] <jepler> and passing NULL or the result of malloc(0) to realloc is also just fine afair
[17:26:13] <seb_kuzminsky> yes, agreed, we're fine here
[17:26:43] <jepler> if you want to pacify (hah I typed 'passify' first) clang I suppose you can just change it to 'self->p = 0'
[17:27:13] <seb_kuzminsky> clang is pointing out that we're using a part of the unix api that's not completely specified by the spec, that's all
[17:27:28] <seb_kuzminsky> bbl
[17:28:13] <jepler> recently on the git mailing list they were discussing clang's warning on an expression like "::::::" + some_int, where some_int was chosen in order to give the desired number of colons
[17:28:29] <jepler> clang warned that the result of the expression is not to concatenate the string representation of some_int to the string constant
[17:29:12] <cradek> http://i94.photobucket.com/albums/l112/nbbruin26/Derp-Muppets.gif
[17:29:32] <jepler> awwww I love those gu ys
[17:29:46] <skunkworks> now - which one is jepler?
[17:29:56] <cradek> the one on the left is clang
[17:30:02] <skunkworks> heh
[17:30:11] <cradek> seb has already said he's the right one
[17:30:12] <jepler> my left or their left?
[17:30:16] <cradek> yep
[17:31:22] <jepler> I tried the debian wheezy "-rt" kernel (RT_PREEMPT) on my laptop, but it just blackscreens during bootup :( I think maybe it all goes south about the time it's trying to start X, but I have no idea why.
[17:47:56] <kwallace> From:
[17:47:59] <kwallace> http://en.wikipedia.org/wiki/Comparison_of_OpenGL_and_Direct3D
[17:48:12] <kwallace> Note that many essential OpenGL extensions and methods, although documented, are actually patented, thus imposing serious legal troubles to implement them (see issues with Mesa[1]).
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[18:42:11] <zultron> skunkworks, did you 'apt-get update'?
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[19:04:20] <skunkworks> zultron, I did now.. But still doesn't find the package
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[19:44:59] <skunkworks> zultron, tried it again - same result. ;)
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[20:14:01] <zultron> skunkworks, ahem, apparently I hadn't rsynced the repo to the external web server, and more embarrassing, I thought I double-checked your problem report but messed up there, too.
[20:14:10] <zultron> Please try again with the update and install.
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[20:18:07] <skunkworks> zultron, seem plausable?
[20:18:07] <skunkworks> http://pastebin.ca/2311258
[20:18:39] <zultron> Yeah, looks like global SMI was disabled!
[20:18:51] <zultron> The last bit is clear, that's the global SMI bit.
[20:19:10] <skunkworks> running latency
[20:19:12] <zultron> Give the latency test another spin.
[20:23:08] <skunkworks> zultron, is there smi on amd? or is that just intel?
[20:23:28] <skunkworks> Because the amd/asus system I have also had 100us latency
[20:23:43] <skunkworks> (that is what the atom board did)
[20:23:58] <cradek> I'm sure excited by the idea of a unified binary
[20:24:13] <zultron> skunkworks, I don't know, but I thought it was only Intel chipsets.
[20:24:37] <zultron> cradek, what's the upside you see?
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[20:25:53] <seb_kuzminsky> what's meant by "binary" in this case? surely some of the things will need to be different if you're running user-space posix threads vs if you're running rtai kernel modules, right?
[20:27:14] <zultron> skunkworks, the smictrl source only detects Intel chipsets:
http://git.kiszka.org/?p=smictrl.git;a=blob;f=smictrl.c;h=59de7deff716b7ff4fcbd12763e3ca7c57f1593e;hb=HEAD#l53
[20:27:35] <cradek> well, now, seb's question is also my question
[20:27:40] <skunkworks> ok - just wondering
[20:27:42] <skunkworks> thanks
[20:28:14] <skunkworks> wouldn't the hal part though be transparent?
[20:28:39] <seb_kuzminsky> maybe "unified" means, "for all things that look like userspace threads", so including sim, preempt-rt, and xenomai? with rtai and whatever other in-kernel options as their own binaries?
[20:28:40] <skunkworks> zultron, so far so good... 20ish us latency
[20:28:55] <zultron> So, rtapi.ko/rtapi.so is currently built to match the kernel, with the RT system-specific code embedded.
[20:29:12] <zultron> The RTAPI restructuring pulls that out into separate loadable modules.
[20:29:48] <zultron> The unified binary will build separate loadable 'flavor' modules for any kernels available, and load the right one at runtime.
[20:31:00] <cradek> so there will be both abs.ko and abs.so installed? and something like comp will then generate both of them?
[20:31:22] <cradek> oh wait, the binary will build ... something
[20:31:25] <cradek> I'm not following that
[20:32:21] <seb_kuzminsky> that must be it, 'make' will build abs.ko and abs.so and N different rtapi.ko/rtapi.so modules for the N different rtapi targets it found
[20:32:25] <zultron> For kernel threads styles, yes, both .so and .ko would need to be built separately.
[20:33:02] <zultron> But the .ko module will work for both RTAI and Xeno-kernel, and the .so module will work for all userland thread styles.
[20:33:22] <zultron> abs.ko and abs.so, that is.
[20:33:29] <mhaberler> there will be one abs.ko per kernel thread style (thats one) and one abs.so per userland thread style; that will require a subdir scheme
[20:33:40] <mhaberler> so - yes, modules per style
[20:34:03] <cradek> I don't think you two are saying things that agree
[20:34:08] <zultron> Actually, the same abs.ko should be loadable by either RTAI or Xenomai-kernel.
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[20:34:49] <mhaberler> only if you dont use kernel versioning, and I think that'd be a good idea
[20:34:53] <zultron> Likewise, the same abs.so should be loadable by PREEMPT_RT, Xenomai-user or sim.
[20:35:05] <mhaberler> I admit I fully havent laid it all out yet
[20:35:24] <mhaberler> we will need per-threadstyle subdirs under rtlib
[20:35:29] <cradek> well it's impossible to know it'll work until it's working :-)
[20:36:20] <cradek> the buzz is we might have a new rtai kernel much sooner than never
[20:36:23] <cradek> that's exciting too
[20:36:28] <zultron> Yes, I guess that's right, but there's room for that to work since Paolo claims to be close to a 3.5.7 RTAI kernel, same i-pipe patch as Xenomai.
[20:36:32] <skunkworks> zultron, so far so good
[20:36:39] <zultron> Great
[20:37:32] <zultron> Of course I'd expect an abs.ko built for a 3.5.7 kernel to have problems with a 3.2.21 kernel.
[20:37:34] <seb_kuzminsky> even if paolo heroically makes rtai work on 3.anything, i'm still super excited about having realtime options
[20:37:57] <cradek> yes
[20:38:00] <kwallace> Did G76 ever have constant area and alternate side cutting options?
[20:38:23] <cradek> kwallace: yes it has constant area, no it has never had alternating side
[20:40:01] <cradek> R- - The depth degression. R1.0 selects constant depth on successive threading passes. R2.0 selects constant area. Values between 1.0 and 2.0 select decreasing depth but increasing area. Values above 2.0 select decreasing area. Beware that unnecessarily high degression values will cause a large number of passes to be used.
[20:42:00] <cradek> (I don't see much utility in alternating sides, except wearing the tool evenly. it's never going to give you a better thread is it?)
[20:44:00] <kwallace> Okay, I just thought there were more options than the manual presented. I went through the past manuals and they were the same too. Thanks.
[20:44:20] <cradek> but you did find R in the manual, right?
[20:44:40] <cradek> I just copied that line from it
[20:47:57] <kwallace> Yes, but I was so focused on alternate side I glossed over the constant area thing.
[20:49:19] <kwallace> I think I'll try this from the source to make a pass count estimator: depth = full_dia_depth + cut_increment * pow(++pass, 1.0/degression);
[20:52:07] <cradek> yep that's the degression smarts right there
[20:54:47] <mhaberler> btw found some great hardware:
http://mah.priv.at/zenphoto/index.php?album=diesdas/album35&image=pentinum.jpg
[20:55:57] <cradek> I suppose that machine's worth a lot more than a pentinum [sic] computer...
[20:57:49] <mhaberler> original enigma machines are incredible. for instance,
http://w1tp.com/4sale/
[20:58:15] <cradek> I'm too much of a wimp anymore to use a manual. I love my selectric. best typewriter ever made.
[20:58:50] <mhaberler> it says 'recent sale prices of $150,000- $160,000 ' there
[20:59:02] <cradek> can't be many of those on the open market...
[20:59:33] <mhaberler> dont think so; a sale makes it onto the news
[20:59:34] <mhaberler> http://www.itv.com/news/2012-11-14/rare-german-enigma-machine-to-go-on-sale/
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[21:50:35] <skunkworks> zultron: No go - 100us+ of latency
[21:50:44] <skunkworks> I will rrun the tests tomorrow
[21:50:48] <zultron> Aww, dang
[21:51:10] <zultron> Yeah, it'll help to have a lengthy run of the xeno-regression-test script.
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[22:01:42] <mhaberler> ok, I'll be off for today - cu
[22:01:49] <zultron> cu!
[22:01:58] <seb_kuzminsky> bye mhaberler
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