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[00:54:14] <andypugh> What should I expect to work in a sim-compile?
[00:54:39] <andypugh> runtests? axis/sim/axis_mm?
[00:55:05] <andypugh> I have it compiling with --enable-simulator, but don't know what to expect.
[00:55:17] * skunkworks talks to himself a lot too...
[00:55:21] <skunkworks> ;)
[00:57:03] <andypugh> I am hoping that if I scroll back tomorrow there may be some clues.
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[01:18:08] <jepler> andypugh: yes, both
[01:18:53] <andypugh> hmm.
[01:19:17] <andypugh> How can I tell if I broke it? I
[01:19:36] <andypugh> (It is broken)
[01:20:37] <andypugh> RTAPI: ERROR: could not open shared memory (errno=2)
[01:20:41] <andypugh> (Several times)
[01:21:16] <andypugh> Runtest: 2 tests run, 0 successful, 2 failed + 0 expected // Failed: // ./redis/redis/deps/jemalloc
[01:22:04] <andypugh> Halrun also fails to load.
[01:22:26] <andypugh> home/andypugh/linuxcnc-dev/scripts/halrun: line 145: 5666 Segmentation fault $INTERACTIVE
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[01:23:38] <andypugh> I would hate to panic and stay up all night trying to fix it if these problems are nothing to do with my new component. And I struggle to see how they could be.
[01:26:10] <andypugh> I have just checked out the "hal_bit_t" fix commit to see if it was working then.
[01:26:12] <jepler> your new component isn't in the tests, so unless you changed files outside the component you didn't break it
[01:26:23] <andypugh> I changed the makefile...
[01:26:24] <jepler> assuming this is still talking about the key matrix component
[01:27:16] <andypugh> OK. I can leave it broken then, I guess?
[01:28:15] <jepler> assuming the commits you're concerned over are these
[01:28:15] <jepler> c34af27 Attempt to make the sim-builds work again
[01:28:15] <jepler> 6de09bb Add a matrix keyboard driver
[01:28:24] <jepler> and the buildbot isn't complaining
[01:28:55] <andypugh> Is the "correct" way to make the sim builds work to simply not compile matrix_kb in sim? It depends on a kernel-only header.
[01:28:55] <jepler> then it's something else which is causing you to have trouble running "sim"
[01:29:33] <jepler> I glanced at it and it sort of looks like it is useful as a hal component, but in kernelspace it can also be a linux input device
[01:29:51] <andypugh> Yes, that's the idea.
[01:30:05] <andypugh> But in sim mode the input.h header file hides.
[01:30:33] <jepler> you can put #if around #include
[01:31:23] <andypugh> That's the inverse problem.
[01:31:56] <andypugh> At the moment I have the component hiding about half of its code in sim mode. Which seems to work.
[01:32:12] <jepler> ok ... ?
[01:32:35] <andypugh> As far as I know no other components do that.
[01:33:05] <andypugh> I have never seen a #ifdef in the middle of executable code anywhere else in LinuxCNC
[01:33:26] <jepler> I don't see it as a problem
[01:33:49] <andypugh> I am just assuming that if it was normal behaviour, I wouldhave seen it done.
[01:34:09] <andypugh> I am trying to do this "right'
[01:35:27] <andypugh> But the other ideas I have had (dummy function declarations in a #ifdef, not compiling the module at all in sim mode, both seem inelegant in other ways.
[01:37:06] <andypugh> It seems likely that runtests fails because one of the first tests is looking for redis, that got removed.
[01:38:13] <jepler> fwiw I don't have tests/redis at all in the master branch
[01:38:20] <jepler> it looks like the test was removed too
[01:38:37] <andypugh> <puzzled>
[01:39:34] <jepler> fwiw I don't understand what "s" does.
[01:40:03] <andypugh> In matrix_kb?
[01:40:11] <jepler> yes
[01:40:27] <andypugh> It scans the keyboard using gpio
[01:41:10] <andypugh> So, in theory, you could connect a keyboard to the parallel port and (via HAL) use it as your only system keyboard.
[01:41:24] <jepler> maybe I don't understand what non-s mode does, then
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[01:41:49] <andypugh> non-s mode uses the scancodes that the Mesa 7i73 produces.
[01:42:07] <andypugh> (or any similar matrix scanning hardware)
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[01:45:52] <andypugh> I am not sure that the component is much use in a sim environment. Though it does actually provide a way to convert integers from 0 to N into N HAL pins.
[01:46:18] <andypugh> which might have uses
[01:46:20] <jepler> from a certain point of view, nothing's useful in a sim environment
[01:46:56] <jepler> but consider the coming userspace realtime threads stuff (rtos-integration): that'll also need to avoid the kernel-dependent parts
[01:47:00] <jepler> but it will be "useful"
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[01:47:49] <andypugh> Yes, well, that is where it gets complicated, because my component will be a lot less useful in those systems.
[01:48:01] <jepler> because it won't be able to generate OS keystrokes?
[01:48:06] <andypugh> Yes.
[01:48:49] <jepler> there's yet a different API you can use to do that :-/ it's "uinput"
http://thiemonge.org/getting-started-with-uinput
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[01:48:58] <andypugh> Though the keystrokes feature was a bit of an afterthought.
[01:49:14] <jepler> something to learn another day, perhaps
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[01:49:57] <jepler> hm, I seem to have caused matrix_kb to crash
[01:50:03] <jepler> Program received signal SIGSEGV, Segmentation fault.
[01:50:04] <jepler> 0x00007ff7ff6d6e94 in keyup (inst=0x7ff800bcc0e0)
[01:50:04] <jepler> at hal/components/matrix_kb.c:68
[01:50:04] <jepler> 68 if (inst->hal.key[r * inst->ncols + c] == NULL
[01:50:41] <andypugh> Kernel mode or Sim?
[01:50:58] <jepler> sim
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[01:51:57] <jepler> halcmd: loadrt matrix_kb config=4x4
[01:51:58] <jepler> halcmd: loadrt threads
[01:52:15] <jepler> [then in another terminal I attach the debugger to rtapi_app:]
[01:52:22] <jepler> gdb rtapi_app `pidof rtapi_app`
[01:52:25] <jepler> (gdb) continue
[01:52:30] <jepler> halcmd: addf matrix_kb.0 thread1
[01:52:32] <jepler> halcmd: start
[01:52:35] <jepler> halcmd: setp matrix_kb.0.keycode 0x88888888
[01:52:45] <jepler> then I get the crash shown above
[01:52:53] <jepler> unfortunately, gdb won't tell me the value of r or c
[01:53:31] <jepler> but looking at the registers, it's trying to access 2290649096 bytes into the array hal.key!
[01:54:20] <andypugh> Yes. There is that risk.
[01:55:05] <andypugh> I guess that you have managed to make a negative r?
[01:55:46] <jepler> that's one possibility. also, the test for r, c being out of range should come *before* testing inst->hal.key[r * inst->ncols + c] == NULL, not after
[01:55:48] <andypugh> As I have said, I can't get sim to work at all, but I can check that in realtime.
[01:56:01] <andypugh> Ah, yes, that too.
[01:56:14] <andypugh> Can I assume lazy checking?
[01:56:35] <jepler> http://emergent.unpythonic.net/files/sandbox/0001-fix-crash-when-given-invalid-scan-code.patch
[01:56:53] <jepler> yes, in a || b, the "b" part of the expression is only evaluated when a is false
[01:57:20] <jepler> and in a || b || c, it's chained so that 'b' is evalued only if 'a' is false, and 'c' is evaluated only if 'a' and 'b' are both false
[01:57:33] <andypugh> The same test needs to be in keyup() too.
[01:57:47] <jepler> I didn't even think to look
[01:58:47] <andypugh> And I only thought to test for mildly out-of-range inputs.
[01:59:40] <andypugh> Do you want to push a fix, or should I do it tomorrow? (It's 2am here)
[02:00:01] <jepler> I'll leave it for you
[02:00:04] <jepler> thanks for looking into it
[02:00:19] <jepler> the #ifdefs are just fine the way you've done them unless we identify a specific problem resulting from that
[02:00:44] <jepler> 'night
[02:01:14] <kwallace> jepler: What camera do you use for them purdy pictures on your website?
[02:01:46] <andypugh> I guess if we want a userspace version then I need to get cleverer.
[02:03:32] <andypugh> FWIW that example of userspace input seems to #include input.h which I think includes absolutely nothing in userspace as the whole file is wrapped in an #ifdef KERNEL.
[02:04:01] <jepler> kwallace: my current camera is a Canon EOS 7D and my favorite lenses are the 100mm f/2.8L IS Macro and the 300mm f/4L IS. I have a 17-55mm "kit lens" that gets exercise when I need a wider angle than what the macro lens affords me.
[02:07:03] <andypugh> Right, I am really going this time.
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[02:08:39] <kwallace> Yikes, fancy. I just got a EOS 300D with a 28-105 3.5-4.5 USM, both broken on eBay. The camera has a broken sub mirror pin. The USM doesn't turn on the lens.
[02:10:25] <jepler> does that just mean the AF is unusable?
[02:10:33] <kwallace> I got a 50mm 1.8, broken in half and another 300D that doesn't power up today on eBay.
[02:11:39] <kwallace> I can pop the sub mirror up, but the AF doesn't work, or I get only half a picture.
[02:12:09] <jepler> I hope you can put together a working system from two cameras
[02:12:23] <kwallace> There are a few websites that show the fix. I have it apart now.
[02:13:27] <jepler> The 300D was a fine introduction to SLR photography for me (I was strictly P&S before, film and digital)
[02:13:57] <kwallace> I put a bit of paper clip in the hole and the mirror flips up like it should, but now the camera doesn't power up.
[02:14:31] <jepler> :-/
[02:15:28] <kwallace> I haven't taken the time to look further. Another common fix is to check the SMT fuses.
[02:16:33] <kwallace> It has been a long time since I've had a camera with replaceable lenses. Feels good.
[02:17:13] <jepler> I have a friend who is an old glass collector
[02:17:48] <jepler> He must own a half dozen 50mm f/1.x lenses for instance
[02:17:55] <jepler> will tell you when and where they were manufactured
[02:18:00] <jepler> all manual focus / manual aperture of course
[02:18:55] <jepler> as you probably know, alex_joni and awallin are also both into photography
[02:21:31] <kwallace> Cool. This got me started:
http://www.pavlu.net/Astrophotography/pages/index003.html
[02:22:24] <kwallace> He's down the road from me, but hasn't returned e-mail.
[02:23:05] <jepler> for some reason I'd rather look at astrophotography than make it, but maybe it's because I haven't started
[02:24:44] <kwallace> Another link I found:
http://glogg.jupiter-io.net/300D/index.asp
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[02:27:06] <kwallace> I keep thinking how can I do some in astronomy that others haven't already done much better, yet I'm still at it, sort of.
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[02:40:27] <jepler> nobody else is your competition
[02:47:16] <kwallace> Do you use the video feature on your 7D much. I've been looking at broken T1i and T2i s for that feature.
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[05:17:52] <zultron> I asked Charles Steinkuehler (of userpci fame) if he was going to the Fest, just a couple hundred miles from where he lives. I found I couldn't tell him the exact date or location, though. Anyone have a pointer to more info?
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[11:42:45] <KGB-linuxcnc> 03jthornton 05v2.5_branch 667f7fa 06linuxcnc 10docs/src/config/ini_config.txt * Docs: add simple example filter program
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[12:26:14] <linuxcnc-build> build #57 of precise-i386-realtime-rip is complete: Failure [4failed clear-dmesg get-dmesg] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/precise-i386-realtime-rip/builds/57 blamelist: John Thornton <jthornton@gnipsel.com>
[12:30:51] <jthornton> WTF!
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[12:42:11] <linuxcnc-build> build #854 of checkin is complete: Failure [4failed] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/checkin/builds/854 blamelist: John Thornton <jthornton@gnipsel.com>
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[12:57:18] <jthornton> how could my push have broken buildbot? it was just a manual change and it builds here...
[13:13:36] <cradek> that one builder is having a problem unrelated to any source changes
[13:14:09] <JT-Shop> thanks, had me going for a bit
[13:14:45] <cradek> if you follow the first link it gave, you can see the errors by clicking the "stdio" links under the pink bars
[13:15:37] <JT-Shop> thanks, I've not seen that page before and was a bit confused
[13:16:10] <JT-Shop> I assume because I triggered a build with my push I got blamed LOL
[13:16:12] <cradek> yeah it's pretty hard to find what you want in buildbot output
[13:16:42] <cradek> but the first link (the one with the architecture name in it) points directly to what you want to see in the case of a failed build
[13:17:33] <cradek> for comparison, here is an earlier one that's actually a failed build because of a code error:
http://buildbot.linuxcnc.org/buildbot/builders/lucid-i386-sim/builds/853
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[13:22:31] <JT-Shop> thanks for explaining that
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[13:52:58] <alex_joni> cradek: that's a kernel bug?
[13:53:04] <alex_joni> http://buildbot.linuxcnc.org/buildbot/builders/precise-i386-realtime-rip/builds/57/steps/clear-dmesg/logs/stdio <-
[13:59:07] <cradek> hard to say what's doing that
[13:59:51] <cradek> maybe it just needs a reboot?
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[15:32:26] <kwallace> It seems to me that using the arrow/cursor keys with GTK/Glade for axis jogging might be a can of worms since GTK likes to use the cursor keys for predefined uses such as navigating menus and text boxes. I'm thinking a set of screen buttons for North, North-East, East and so on would be better. They would be activated by mouse clicking or touch screen and would be specific to jogging. One problem would be the loss of screen space. Any thoughts
[15:51:31] <cradek> on my touchscreen if I leave a coolant fingerprint the button stays stuck in until I wipe it off
[15:52:38] <cradek> also you wouldn't be able to jog diagonally with mouse or touchscreen
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[15:53:02] <cradek> also for both of those you must be looking at the screen, not the machine, to use them
[15:53:40] <cradek> (oh I see you said north-east so you could do some diagonals)
[15:54:47] <cradek> but to get all the possible diagonals you'd need 14 (??) buttons and it would be totally incomprehensible
[15:55:04] <cradek> no, it'd be 24
[15:55:14] <skunkworks> for a mill... lathe you could get by with 8 - couldn't you?
[15:55:17] <cradek> something like that
[15:55:36] <cradek> oh, true
[15:55:49] <kwallace> Crud, you are right. I'd like to separate the navigation and jogging somehow.
[15:56:04] <cradek> suggest hard buttons for jogging
[15:56:04] <skunkworks> But when we get around to converting the lathe - I think we are going to have 2 mpg's
[15:56:10] <cradek> or wheel only
[15:56:36] <cradek> yes two MPGs would be really great. I will do that one of these days too.
[15:56:56] <cradek> you could use them like a manual for basic stuff
[15:57:16] <cradek> a wonderful kind of manual machine with dro + css
[15:57:26] <kwallace> So far, we don't require the wheel. It's an extra cost option.
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[16:04:27] <kwallace> One doesn't have diagonal jogging with an MPG. Diagonal jogging might not be missed with buttons for axis select and +/-.
[16:04:57] <kwallace> Crap I forgot blind jogging.
[16:05:26] <cradek> kwallace: you can certainly do diagonal with an mpg. it's very useful for chamfering, etc
[16:06:21] <cradek> you can jog at any angle with motion's type of wheel inputs
[16:07:19] <kwallace> Do any of the UIs have it?
[16:07:44] <cradek> no
[16:08:08] <kwallace> Seems like a nifty feature.
[16:08:12] <cradek> only touchy is a wheel-based UI and it's pretty basic
[16:08:26] <cradek> someone making a panel with all hard controls would be more likely to do something like that
[16:10:09] <cradek> you guys should be brave enough to have a good wheel-based UI
[16:10:55] <cradek> I keep typing and deleting things. that means time for coffee break.
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[16:12:07] <kwallace> Do some stretching too.
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[16:17:16] <skunkworks> cradek, what do you mean 'you can jog at any angle with motion's type of wheel inputs'
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[16:20:46] <kwallace> I think what he means is that motion can take jogging input for more than one joint at a time.
[16:28:43] <cradek> sure, you can enable whichever ones you want, set your scales to define the angle, and wheeljog them together
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[16:30:20] <kwallace> Kind of in the middle of plain jogging and a conversational script.
[16:30:56] <cradek> yeah, I sorta see it as an extension of "the best manual lathe ever"
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[16:32:40] <skunkworks> ah - neat
[16:32:42] <cradek> if you have a hard axis selector for the jogwheel, having it do X, Z, /, \ would be trivial
[16:33:03] <cradek> well same for those being gui buttons
[16:37:24] <kwallace> Requiring a jog wheel for a real machine seems reasonable. but 99% of the time I'm using LinuxCNC on a sim in the office.
[16:39:00] <cradek> yeah it's a little hard to test touchy because of that requirement, but it's worth it because the design is correct for real work
[16:39:03] <skunkworks> I have one on my keychain... ;)
[16:39:19] <cradek> you can simulate buttons on-screen easily enough, wheel is a little harder
[16:39:35] <cradek> you can "turn" the wheel with halcmd...
[16:39:39] * cradek shrugs
[16:40:57] <skunkworks> https://www.youtube.com/watch?v=0ZQ-qq1pTA0
[16:41:10] <skunkworks> yishin stull playing with the mesa usb stuff
[16:41:51] <skunkworks> seems to act a bit different from linuxcnc prime
[16:42:11] <kwallace> So I'm back to screen buttons for axis select and +/-, and maybe a hide button.
[16:42:55] <cradek> kwallace: is the machine going to have a keyboard?
[16:43:19] <cradek> I mean a pc style keyboard
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[16:44:56] <kwallace> So far it does.
http://www.tormach.com/product_pcnc_main2.html
[16:47:42] <cradek> sorry, why don't you want keyboard jogging then? it's SO much better than mouse.
[16:50:24] <kwallace> I just want to keep the arrow keys for navigation and use something else for jogging.
[16:51:18] <kwallace> The function keys have moved to the back, hoping to not be noticed.
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[17:18:52] <skunkworks> kwallace, oh - are you also working on the mill too?
[17:22:06] <kwallace> Mostly the lathe now, the mill a little latter. A lot of work overlaps. I've started on the mill conversational scripts.
[17:22:49] <skunkworks> neat
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[17:29:22] <skunkworks> I am suprised they didn't wait for mach 4... ;)
[17:30:06] <zultron> Hey folks, are there any firm details on the Fest this year?
[17:30:41] <skunkworks> I think there is going to be one in wichita at stuarts shop.
[17:30:46] <skunkworks> there is info on the mailing list
[17:31:09] <skunkworks> might want o bring it back up
[17:31:29] <zultron> That's about what I know, too. My attempts to find it on the list failed, though; seems there's no actual announce.
[17:32:03] <zultron> I heard it's June or July, Stuart's shop in Wichita.
[17:34:03] <skunkworks> http://thread.gmane.org/gmane.linux.distributions.emc.user/39890/focus=39951
[17:35:35] <zultron> Ooh, there it is!
[17:35:48] <zultron> Thanks!
[17:35:57] <zultron> Will you be there, skunkworks ?
[17:36:14] <skunkworks> yes - I think so. Cleared it with the wife.. :)
[17:36:34] <skunkworks> assuming it is still a go.
[17:37:05] <zultron> Woo hoo!
[17:37:31] <skunkworks> zultron, have you been to stuarts?
[17:37:59] <zultron> Nope. I saw the videos of his great big LinuxCNC-driven toy, though. :)
[17:38:21] <skunkworks> yes - he has some big equipment
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[19:46:39] <cradek> zultron: I'm pretty sure I'll be able to go. hope to meet you there.
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[19:48:33] <cradek> I don't even recall the last time I saw the usual folks. I only went to ann arbor once. 3 years ago maybe?
[19:48:38] <zultron> Awesome! Charles Steinkuehler, Seb, skunkworks, Michael H and I are all at least making positive noises.
[19:48:46] <cradek> awesome
[19:49:18] <skunkworks> michael - isn't he in germany?
[19:49:34] <zultron> Austria, yep, he's flying over.
[19:49:36] <cradek> .at?
[19:49:43] <skunkworks> wow - neat
[19:50:09] <cradek> if you guys need airport rides or whatever, just yell.
[19:50:28] <cradek> since I'm a "local" (haha), only n00 miles away
[19:50:32] <zultron> Will do. I'm still debating whether to drive; ~8 hours from Austin.
[19:50:56] <cradek> I'll always drive 8 (or 12) hours instead of flying, but not everyone is like me...
[19:51:03] <skunkworks> IIRC it is a bit longer for me from the west side of WI
[19:51:05] <cradek> wonder if moses will come? I think he's in texas somewhere.
[19:51:15] <cradek> mozmck
[19:51:35] <mozmck> hi!
[19:51:48] <cradek> hey
[19:51:52] <zultron> Where're you mozmck ?
[19:51:53] <cradek> think you're coming in june?
[19:52:04] <mozmck> I'm going to put it on my calendar, but I don't know.
[19:52:12] <mozmck> I'm north of Dallas about an hour
[19:52:25] <kwallace> Anyone driving from California?
[19:52:26] <zultron> I could pick you up on the way north. ;)
[19:52:57] <zultron> Hmm, you should be closer to 5 hours, mozmck
[19:53:11] <mozmck> Have to see how my wife is doing, new baby due in early september
[19:53:27] <mozmck> I think about 6 hours
[19:53:41] <zultron> Oh yeah, I remember that time. :) Congratulations.
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[19:54:01] <cradek> kwallace: you could go through denver and pick up seb
[19:54:03] <mozmck> thanks!
[19:54:40] <kwallace> I'm looking at a map
[19:55:31] <kwallace> Yikes it's a $%^& long way.
[19:55:53] <cradek> the country is very very wide
[19:56:05] <cradek> airplane for you
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[19:56:26] <skunkworks> heh
[19:57:00] <cradek> I might take my bus again, whee
[19:57:08] <skunkworks> Neat!
[19:57:24] <mozmck> how many yards per gallon does that get?
[19:57:26] <skunkworks> Any changes to it? Have you used it since the last trip to wichita?
[19:57:28] <cradek> have to get it unwinterized in a few weeks and see what's broken
[19:57:39] <cradek> I've only taken it on short trips
[19:57:46] <cradek> it's great for hauling very long lumber :-)
[19:58:05] <cradek> mozmck: 8ish mpg, I think it was
[19:58:52] <mozmck> :) I hauled a 5000 lb machine from El Paso the other day and didn't get much better than that.
[19:59:32] <mozmck> El Paso is a lot further than Wichita from here.
[19:59:44] <cradek> yeah it's great mileage for a house
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[20:15:06] <JT-Shop> by weight I bet it gets 10 times better gas mileage than my Spyder
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[20:38:50] <cradek> JT-Shop: it's 25999 lbs gvwr
[20:39:06] <cradek> JT-Shop: I remember that number because the cutoff for CDL requirement is 26000
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[23:00:12] <andypugh> I get a segfault when I run ./configure --enable-simulator. Is that normal?
[23:00:49] <andypugh> Mar 26 22:59:43 DN2800 kernel: [79109.226705] ldpreload_main[8452]: segfault at c ip 003ed057 sp bfbfe7e0 error 4 in libstdc++.so.6.0.13[331000+e9000]
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[23:20:38] <JT-Shop> cradek: the Spyder is 950lbs and gets 27mpg so that is 35lbs per mpg vs the house at 5199.8lbs per mpg
[23:21:06] <JT-Shop> so 148 times better at moving mass
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[23:36:42] <KGB-linuxcnc> 03andy 05master b7223b2 06linuxcnc 10src/hal/components/matrix_kb.c * Make matrix_kb more resilient.
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