On 01/05/2014 06:06 PM, EBo wrote:
No, for a real answer take a look at NanoX/Microwindows (I have not
used it, only read about it).
Well, maybe.
About 3 years ago, with a lot more futzing around than I thought the
project deserved, I managed to get Nano-X [1] working on a primitive
On 12/4/2013 3:03 PM, Marius Alksnys wrote:
On 12/04/2013 09:27 PM, Sebastian Kuzminsky wrote:
the output of the commands in part 2.4 of the document i
linked you:
cd debian ./configure -a (if installing simulator use ./configure
sim instead) cd .. dpkg-checkbuilddeps
That assumes you're
On 12/4/2013 3:27 PM, Marius Alksnys wrote:
I tried it this way (from the root of the git checkout):
git checkout master
git pull
cd src
./autogen.sh
./configure --enable-run-in-place
Same results
On 12/04/2013 09:57 PM, Kent A. Reed wrote:
Can you configure and make on the master
On 12/4/2013 4:10 PM, Marius Alksnys wrote:
dpkg-architecture
DEB_BUILD_ARCH=i386
DEB_BUILD_ARCH_OS=linux
DEB_BUILD_ARCH_CPU=i386
DEB_BUILD_ARCH_BITS=32
DEB_BUILD_ARCH_ENDIAN=little
DEB_BUILD_GNU_CPU=i486
DEB_BUILD_GNU_SYSTEM=linux-gnu
DEB_BUILD_GNU_TYPE=i486-linux-gnu
DEB_HOST_ARCH=i386
On 11/30/2013 10:00 AM, Michael Haberler wrote:
Am 30.11.2013 um 15:14 schrieb Charles Steinkuehler
char...@steinkuehler.net:
On 11/30/2013 7:28 AM, Michael Haberler wrote:
Charles,
Am 30.11.2013 um 13:12 schrieb Charles Steinkuehler
char...@steinkuehler.net:
I'm not sure the Balanduino
that the from
address is one that it recognizes. Since my default is a different
address, I often have things bounce. Could it be something like that?
On Nov 6 2013 9:35 AM, Kent A. Reed wrote:
Sorry for the noise, but I just noticed that two messages I sent
regarding Gene's kvetch about
On 11/4/2013 10:30 AM, EBo wrote:
What hard real-time ARM kernels have been found suitable for LinuxCNC?
Sorry to hear about RT-PREEMPT ARM support...
Hard real-time, like beauty, is in the mind of the beholder.
Michael named the three real-time kernels the
unified-build-candidate-3 branch
On 10/31/2013 5:21 PM, Michael Haberler wrote:
Am 31.10.2013 um 21:58 schrieb Kent Reed kentallanr...@gmail.com:
Point of information:
Issue #2---review and merge new RTOS branch
Which branch on the repository is the new RTOS branch?
the reference tree and bug tracker is at
https
On 10/28/2013 8:40 AM, Jeff Epler wrote:
On Sun, Oct 27, 2013 at 03:21:15PM -0500, Jeff Epler wrote:
It looks like the :ascii-ids: clears up most of the stuff that the
nbsp-killing didn't. There were a few more wrinkles, but now buildbot
is chewing on the branch jepler-jessie-doc-build to see
Gentle persons:
Roughly two months ago, there was a brief spat of email traffic about
LinuxCNC documentation not building on stable Debian.
Since the horrific events in my life earlier this year I've lost my zeal
for editing LinuxCNC documentation. On the other hand, I have been
building
On 10/24/2013 1:23 PM, Robert Ellenberg wrote:
Hi All,
Many posemath functions (like pmCartCartDot, for example) pass compound
data types like PmCartesion and PmPose by value. Is there a specific reason
for this design choice?
Robert:
The posemath library predates LinuxCNC by a number of
On 10/24/2013 3:19 PM, Robert Ellenberg wrote:
That's a good point about the out-of-tree users, though I wonder if it
would be better for them to use a standalone libnml version. If there's a
lot of pushback from other users, I can make the few call-by-reference
changes I need under a
On 8/11/2013 9:46 AM, Michael Haberler wrote:
Am 11.08.2013 um 15:19 schrieb Charles Steinkuehler
char...@steinkuehler.net:
On 8/5/2013 11:29 AM, Charles Steinkuehler wrote:
How does LinuxCNC behave under heavy CPU load?
...
I am revisiting this issue after experimenting with some
On 7/30/2013 5:38 PM, Michael Haberler wrote:
Am 30.07.2013 um 21:34 schrieb Tom Easterday tom-...@bgp.nu:
I did the install and rebooted (no RealTek ethernet) but it comes up with a
login prompt, no GUI. I put the output of dmesg here:
http://pastebin.com/GzQHt4L5
Is there something
On 7/21/2013 2:32 AM, Michael Haberler wrote:
interesting idea : http://devicejs.org/
The phrase smoke and mirrors came to mind as I looked at this site,
but the information on their WigWag Kickstarter site was actually
encouraging.
Having lived through successive generations of
On 7/16/2013 4:56 AM, Michael Haberler wrote:
Kent - some improvements for RT-PREEMPT:
Am 14.07.2013 um 15:19 schrieb Kent A. Reed kentallanr...@gmail.com:
Gentle persons:
Do Xenomai and RT-preempt have the same effect as RTAI does on the usual
Linux instrumentation? top for example
On 7/15/2013 10:28 AM, John Kasunich wrote:
On Mon, Jul 15, 2013, at 03:31 AM, Michael Haberler wrote:
Am 15.07.2013 um 05:57 schrieb Chris Morley chrisinnana...@hotmail.com:
What if we got rid of 'modes' and relied on interpreter signals to decide
if controls work or not.
eg. if the
Gentle persons:
Do Xenomai and RT-preempt have the same effect as RTAI does on the usual
Linux instrumentation? top for example is blind to the RTAI threads.
I know Xenomai places useful data in /proc/xenomai/stat. Do top and
ps ignore it? Are there customized versions of these commands which
On 6/9/2013 10:13 AM, Kenneth Lerman wrote:
4 -- Do you come to it as a free and excellent body of code available
for your own use or do you see it as part of what provides their livelihood?
5 -- Should it be protected by strong licensing from those who might
attempt to use it without
On 6/7/2013 4:09 AM, Gene Heskett wrote:
On Friday 07 June 2013 02:10:00 Kent Reed did opine:
On Thu, Jun 6, 2013 at 5:01 PM, Gene Heskett ghesk...@wdtv.com wrote:
Greetings Guys;
Someone mentioned that rockhopper can make .pdf
s somehow, and those of coarse can be scaled.
Since I now own
On 6/7/2013 3:37 PM, Peter Jensen wrote:
As mentioned, Rockhopper also has a HAL graph visualizer. It would
be simple enough to divorce this from the web server, but right now
I'll leave that as an exercise for the reader;-)
Since Peter's Python coding style is so much better than
On 6/7/2013 5:38 PM, Kent A. Reed wrote:
Obviously one doesn't need to use fully qualified file and directory
names but I wanted to be error on the side of being pedantic rather
than cryptic. Obviously, all this could be turned into a self
contained, do-all script, placed on the desktop
On 6/7/2013 8:00 PM, Gene Heskett wrote:
I have used it several times, and I love the concept. My main problem is
that the .svg output, when viewed on a firefox screen has a non adjustable
scale that is wy too small to be readable.
Actually, SVG has no intrinsic scale. Scalable Vector
On 6/5/2013 6:50 AM, John Thornton wrote:
Well the 3rd possibility and the preferred way (short of you getting
commit rights) so you get proper credit/blame is for you to prepare a
git patch and e-mail it to me.
And that works too, at least in the short term. I think John Morris'
musing
Gentle persons:
My interest has been tweaked by several remarks made about performance
on the BeagleBone Black. I've started a page
(https://sites.google.com/site/manisbutareed/beaglebone-black-linuxcnc)
and to kick it off posted some gross characterizations of the burden
imposed by various
On 6/6/2013 3:24 PM, Sebastian Kuzminsky wrote:
On 6/6/13 13:19 , Kent A. Reed wrote:
My interest has been tweaked by several remarks made about performance
on the BeagleBone Black. I've started a page
(https://sites.google.com/site/manisbutareed/beaglebone-black-linuxcnc)
and to kick it off
On 6/6/2013 5:15 PM, Michael Haberler wrote:
very interesting writeup! very much in line with my observations
I have so far run with a remote X display directly (i.e. without ssh
tunneling) by setting DISPLAY on the bb and enabling connect on the X server,
so no sshd overhead but more
Ok, so Michael has thrown down the gauntlet: Now please stop the damn
'thank you' thing, and contribute something.
Circumstances prevent me from contributing much in the way of code but
y'all know I have a passion for decent documentation. I have made a
number of contributions to the Wiki and
On 5/31/2013 5:49 AM, andy pugh wrote:
On 31 May 2013 01:52, andy pugh bodge...@gmail.com wrote:
So I disabled it.
Is there any way to see what the problem was?
Now that it isn't 2am:
Can anyone else with a recent pull of master re-enable that test and
see if it passes for them? I am a
On 5/31/2013 9:29 AM, andy pugh wrote:
On 31 May 2013 13:38, Kent A. Reed kentallanr...@gmail.com wrote:
tests/mux failed with the usual test run exited with 1.
Maybe I'll get a little time later to see what's happening internally.
if you look in the tests/mux directory there should
On 5/31/2013 11:29 AM, Sebastian Kuzminsky wrote:
On 5/31/13 09:02 , andy pugh wrote:
On 31 May 2013 15:54, Sebastian Kuzminsky s...@highlab.com wrote:
If you follow the link you'll see a list of the steps the
builder did,
Actually, what I see in my lunch break is:
Based on your
On 5/24/2013 12:46 PM, Sebastian Kuzminsky wrote:
I've certainly been assuming that we'll stay with Ubuntu, and that we'll
target basically what we're currently building on the buildbot: Hardy sim
rtai, Lucid sim rtai, Precise sim, plus any new rtos options we merge.
Since Lucid Desktop,
On 5/20/2013 10:20 PM, Sebastian Kuzminsky wrote:
On 05/20/2013 07:50 PM, Curtis Dutton wrote:
Ok I have the driver pretty much completed and it has been working well for
a week now. It can now take command line arguments to control the modbus
serial connection parameters.
Great!
Now I'd
A modest suggestion:
There are lots of governance models out there. Rather than try to invent
one, choose an open source project (or more than one if you have several
in mind) which best matches your vision for the size, scope, and impact
of our LinuxCNC project and see how its governance
On 5/17/2013 10:20 AM, andy pugh wrote:
On 17 May 2013 08:05, Chris Morley chrisinnana...@hotmail.com wrote:
If I was doing a clean sheet Gcode dialect I think I would choose multiple
geometry and wear offsets
per tool, but that gets to be a lot of entries in the tool table.
100 tools x 10
On 5/17/2013 12:51 PM, EBo wrote:
On May 17 2013 10:47 AM, andy pugh wrote:
On 17 May 2013 17:27, Kent A. Reed kentallanr...@gmail.com wrote:
If a relational database approach isn't acceptable, how about an
object-oriented database approach instead?
Why wouldn't it be?
Snooping around
On 5/17/2013 1:46 PM, EBo wrote:
Glad I could give you a gafaugh (or how ever it is spell it). I meant
g-code - STEP-NC. Since there is source for a demonstration parser
using ISO 14649, that might be a fruitful path and what I had in mind
when I made my comment. I just do not know enough
On 5/17/2013 2:05 PM, Michael Haberler wrote:
that said, what I am convinced is needed is proper design work on a
relational_model_ for the tool miniworld (tools, offsets, spindles,
magazines, wear, holders and whatever came up over the years)
...
As for an OODB approach - I never
On 5/16/2013 1:08 AM, Chris Morley wrote:
At this point I really start to wonder how often G10 L10 P10001 is used in
current
lathe Gcode and start to consider other alternatives such as P01 for
geometry, P0101 for wear
etc. - It really makes it easier if the geometry offsets are under the
On 5/16/2013 7:15 AM, andy pugh wrote:
It seems a little more readily walkable to/from MPM than does the Candlewood.
(Though I understand that being a pedestrian is illegal in the US:-)
It might seem like that but some of us stubbornly walk as much as we
can. I purposely chose a townhouse
On 5/16/2013 9:00 AM, andy pugh wrote:
On 16 May 2013 13:37, Kent A. Reed kentallanr...@gmail.com wrote:
Out of ignorance, I ask - what existing G-code? Are we talking about
I meant G-code as understood by LinuxCNC today. ie, where a tool
change is M6 T3 G43 H4 not T0304.
Ah, yes. I went
On 5/8/2013 10:34 AM, Ian McMahon wrote:
I started with Michaels's BBW work here:
http://static.mah.priv.at/public/beaglebone/
The BBW 3.2 kernel won't work on the BBB, so I had to build a kernel. Here's
a working 3.8.10 kernel for BBB:
kernel-3.8.10-vanilla.tgz
It's a vanilla kernel;
Gentle persons:
Don't know why I missed it before, but I just stumbled across the
barebox project (www.barebox.org). It claims to combine the best of
U-Boot with the Tao of Linux.
barebox is a bootloader that initializes hardware and boots Linux and
perhaps other operating systems or bare
On 5/7/2013 5:53 AM, andy pugh wrote:
This models a linear dependency of delta-torque to delta-time, which
seems like it should break down at some point.
Absolutely, just as the small-angle analysis of a pendulum begins to
break down as the angle increases beyond 30deg-45deg, say. Fred and Will
On 5/7/2013 12:23 PM, Jon Elson wrote:
I have a VAGUE recollection that Mariss Freimanis may have written
about this in his whitepapers about stepper performance. It might be
worth a quick search on his website at Geckodrives. He has certainly
done a LOT of testing of steppers.
Jon, that's
On 5/6/2013 8:13 AM, Charles Steinkuehler wrote:
Yes, but if you've got a Mesa card, you don't gain that much on an x86
platform. Unless you're really pushing your servo rate, rtai and
xenomai are IMHO really only necessary on x86 if you're trying to do
software stepgen. But make sure you
On 5/6/2013 9:16 AM, Lars Segerlund wrote:
check the data on osadl.org ... with RT-Preempt you should be able to
get worstcase jitters of less than 50 us ... or you have a 'bad'
system / bad drivers.
With a 'good' RT-Preempt system you get 20 us as worstcase.
osadl is good since
On 5/6/2013 5:00 PM, EBo wrote:
does anyone remember the paper that was posted to the group that
measured the loss in torque as a function of speed and jitter? That
might give us a more principled start to develop guidelines. As a note,
when you get anywhere close to the jitter threshold the
It is taking the Wiki a v-e-r-y long time to return pages at the moment.
Response time for the Forum seems a tad long; the website, almost normal.
Regards,
Kent
--
Get 100% visibility into Java/.NET code with
On 5/5/2013 10:04 AM, Gene Heskett wrote:
Guys Gals;
There was a post that made it to one of the lkml related lists I am on this
morning that I would liken to calling Linus out for a duel. Calling
specific attention to his knowledge of x86 stuff being a huge hindrance in
the arm world,
On 5/2/2013 6:21 PM, Ian McMahon wrote:
Hi folks,
I've been talking with Michael Haberler on IRC about getting involved with
hal development for BeagleBoard Black, and I wanted to quickly introduce
myself.
I've been working with linuxcnc as a user for about four years now; just
On 4/28/2013 8:26 AM, Charles Steinkuehler wrote:
On 4/27/2013 7:23 PM, David Bagby wrote:
snip
I think you're trying to make things too complicated. I'm 99% sure the
existing BBW SD image will run as-is on the BBB, 3.2 kernel and all, it
just won't know about the new hardware (like the HDMI
On 4/17/2013 12:37 PM, Michael Haberler wrote:
...
I stumbled over this: http://info.iet.unipi.it/~luigi/netmap/
this is suggested reading for anybody interested in the field; if the
performance and ease of build (some drivers) hold up to the promise, this
could potentially do away with
On 4/12/2013 8:22 AM, andy pugh wrote:
Someone on the forum seems to have spotted something odd in pmMatRpyConvert
http://www.linuxcnc.org/index.php/english/forum/30-cnc-machines/26392-the-study-of-arithmetic#32609
At best it seems like there is redundant code.
Don't have my fingers on the
On 4/9/2013 3:12 AM, Michael Haberler wrote:
The new RTOS builds are close to producing packages as Seb has thankfully
updated the buildbot to run RT-PREEMPT and Xenomai kernels, so it is time to
turn what's coming next building on this work, and that is the unified binary
build. The code
On 4/5/2013 3:44 PM, Matt Shaver wrote:
Will this cause us any problems? Everything I read about this is long
on announcement and short on details I can use. :)
Thanks,
Matt
Reading over the Allura features list,
http://sourceforge.net/p/allura/wiki/Features/, I don't see significant
On 3/27/2013 2:52 AM, Michael Haberler wrote:
I'm entertaining ideas here - it would not be good if the price for using
such devices would be a collection of special-purpose hacks per-platform and
per-device.
But of course that is just what the pick-an-IP-from-column-A and one
from
On 3/17/2013 10:08 AM, Charles Steinkuehler wrote:
For those following along on LinuxCNC ARM development, there's a new
version of the BeagleBone coming out soon:
http://beagleboard.org/unzipped
More and faster memory, on-board flash, built-in HDMI, and a lower (but
not yet announced)
Gentle persons:
I've spent every waking moment of the last two weeks by my wife's side
after a massive infection put her into septic shock. Those of you who
know me know this isn't a play for sympathy (and please, please, please,
let's not fill this channel with responses to the news) but an
On 3/3/2013 12:44 PM, Dan Falck wrote:
Michael Haberler has guided me through installing xenomai on a computer I
have here and I wanted to post my results from the latency-test.
Intel Desktop Board D94GCLF2D (purchased from Newegg several years ago).
Dan:
I also have this Intel board
On 3/3/2013 2:56 PM, Tom Easterday wrote:
On Mar 3, 2013, at 1:40 PM, Kent A. Reed kentallanr...@gmail.com wrote:
It seems to me things are stabilizing to the point where the Xenomai
builds need no longer be considered experimental. IMHO, we should
consider posting Xenomai metrics to the Wiki
On 2/28/2013 4:54 AM, Michael Haberler wrote:
Hi GP, Sergey -
I've tried it out on Lucid - I am impressed!
Since you're wildly productive with integration, please fill me in on the
bigger picture: how does this relate to your other projects?
- Raspberry
On 2/26/2013 5:00 PM, Chris Radek wrote:
I guess I just want us to consider what problem we are solving for
the user before we decide on an architecture. I saw a lot of
obviously syslog! and I didn't understand why we were jumping
right to there, because it didn't seem to me that it solves
On 2/19/2013 11:05 AM, Gene Heskett wrote:
Greetings;
I was advised that John Morris's new stuff was running on a 12.04 LTS
install, where as a test install on 10.04-4 on my lappy wouldn't boot, the
new kernel panic's about .6 seconds in, can't mount sda1 as /boot (or
root, I didn't take a
On 2/13/2013 6:08 AM, Michael Haberler wrote:
Am 13.02.2013 um 11:37 schrieb andy pugh:
On 13 February 2013 10:15, Michael Haberler mai...@mah.priv.at wrote:
http://www.xenomai.org/pipermail/xenomai/2013-February/027675.html
This sounds familiar, there is a similar situation with RTAI:
On 2/13/2013 10:28 PM, Tom Easterday wrote:
I spent the day playing with this on the Intel Atom D2700MUD. I rebuilt the
system using the rtos-integration-preview3-merged-into-master
branch. I rebuilt it for another reason (stupid graphics fubar) and figured
I would try this branch for the
On 2/6/2013 6:25 AM, John Morris wrote:
On 02/04/2013 08:43 AM, Michael Haberler wrote:
...well in fact that's what John is doing for RTAPI, with the
intent to arrive at a universal build that supports RTAI, Xenomai,
RT_PREEMPT and sim 'automagically'; that's not part of the current
merge
Gentle persons:
I started to read an EDM discussion and discovered a future-directions
discussion of LinuxCNC development hiding inside:-)
The discussion is lovely and I hope it will grow. I just wish it had a
better thread name so others would recognize it for what it is, hence
the change in
Gentle persons:
I won't repeat here Bas's analysis of the problem we're having with the
BeagleBone/Ubuntu system.
Here is my minimalist solution which requires no new programming, just a
change in several configuration parameters. Please bear with the longish
message. Because of an abrupt
On 1/22/2013 9:01 AM, Charles Steinkuehler wrote:
On 1/22/2013 6:06 AM, Bas Laarhoven wrote:
A final solution hasn't been found yet: I prefer a workaround
without changing the dhclient or some other standard program. I
think it would suffice to acquire a new lease right after the
time-step
On 1/21/2013 12:11 AM, EBo wrote:
It sounds like this condition should be checked for in the scripts
and/or code -- there are a number of conditions where stale files can be
left around (although one would hope that this would be taken care of on
bootup).
Ebo:
I added stanzas to
On 1/21/2013 9:28 AM, Kent A. Reed wrote:
On 1/21/2013 12:11 AM, EBo wrote:
It sounds like this condition should be checked for in the scripts
and/or code -- there are a number of conditions where stale files can be
left around (although one would hope that this would be taken care
On 1/21/2013 6:18 AM, Bas Laarhoven wrote:
On 20-1-2013 18:31, Charles Steinkuehler wrote:
On 1/19/2013 8:57 AM, Charles Steinkuehler wrote:
I've setup Michael Haberler's network booting of my BeagleBone, and
I seem to be having the same network crashing on DHCP lease
renewal issue others
On 1/20/2013 12:31 PM, Charles Steinkuehler wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 1/19/2013 8:57 AM, Charles Steinkuehler wrote:
I've setup Michael Haberler's network booting of my BeagleBone, and
I seem to be having the same network crashing on DHCP lease
renewal issue
On 1/20/2013 6:21 PM, Charles Steinkuehler wrote:
...
I was able to get a working system by deleting all existing lease
files in /var/lib/dhcp/ and by forcing broadcast responses from the
dhcp server (put always-broadcast on; in the BeagleBone host
declaration).
Further testing showed
On 1/19/2013 2:46 PM, Kent A. Reed wrote:
On 1/19/2013 9:57 AM, Charles Steinkuehler wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
I've setup Michael Haberler's network booting of my BeagleBone, and I
seem to be having the same network crashing on DHCP lease renewal
issue others have
On 1/17/2013 2:59 AM, Bas Laarhoven wrote:
I think that running linuxcnc is mandatory for the lockup. After a dozen
runs, it looks like I can reproduce the lockup with 100% certainty
within one hour.
Using the JTAG interface to attach a debugger to the Bone, I've found
that once stalled the
On 1/16/2013 9:15 AM, Michael Haberler wrote:
a short update:
There's a lot of really good news here, folks. My thanks and a tip of
the hat to Michael, John, Charles, and everyone else who has
contributed. I doubt most of us can appreciate how much work has been
done to get us to this point.
[Oops - I responded to Joachim and forgot about the list. This is a resend.]
On 1/3/2013 3:42 PM, Joachim Franek wrote:
I have also observed the crashes after about 5min.
But after several reboots I was able to run
the cnc demo programm from sim/axis/axis_mm.
Hi, Joachim. I'm the KAR. I've
On 12/25/2012 8:14 PM, Charles Steinkuehler wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Happy Holidays!
Now that the hm2_pci driver works in user-space, and the Christmas
turkey is cooked (and eaten!), I've managed to absorb enough details
to write some code for the BeagleBone PRU
Gentle persons:
Now that we have survived the great non-event of 2012, the end of the
Mayan Calendar (something the descendents of the Mayans claim is totally
misrepresented by us European descendents) and see the sun still comes up...
Now that we have once again survived the Winter Solstice
On 12/17/2012 6:21 PM, Charles Steinkuehler wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 12/17/2012 3:22 PM, Anders Wallin wrote:
- pull this branch:
http://git.mah.priv.at/gitweb/emc2-dev.git/shortlog/refs/heads/usermode-pci
known-to-work configs are: 5i20.ini and 5i25.ini
I
On 12/13/2012 11:24 AM, Gene Heskett wrote:
On Thursday 13 December 2012 11:01:49 Charles Steinkuehler did opine:
On 12/13/2012 8:28 AM, Gene Heskett wrote:
...
Looks like the section numbers changed.
Try section 31.5 Spindle Soft Start in the Hardware Examples
section. The example HAL
On 12/7/2012 6:49 AM, John Thornton wrote:
In any case I doubt a newbee can find a man page with both hands... much
less know to look for a man page.
Now THAT'S dismissive :-)
Seriously, though, I have cognitive issues with our man page system.
Even seasoned users might miss that
man abs -
On 12/7/2012 11:08 AM, Sebastian Kuzminsky wrote:
I've lived with man pages for decades, and our man pages seem well
organized to me.
I think that's my point, actually. It's commonly accepted among the
folks who study such things that it takes roughly 6 to 10 years to
become truly expert in
On 12/5/2012 7:55 PM, Dewey Garrett wrote:
Here is a simple comp named lhisto.comp to show
a histogram for latency values in 1,2,5 bin sizes
over 4 decades:
http://www.panix.com/~dgarrett/stuff/lhisto.comp
This is great, Dewey. Thanks.
I'm glad I decided to put off my own effort until
On 12/6/2012 9:15 AM, EBo wrote:
...
From that I can see that
there is a small group of outliers at ±20us. From this information we
might be able to look at the traces to see what is happening around
those events and cleaning up some of the latency. I hear one of the
previous posters
On 12/6/2012 3:38 PM, EBo wrote:
On Dec 6 2012 12:27 PM, Anders Wallin wrote:
Is the ±20us always happening during the startup? If so, we can
probably work around this. If it is periodic, or happens much
later,
then it points to a real issue.
On my machine the few events at +/- 20us do
On 12/5/2012 4:16 AM, EBo wrote:
On Dec 4 2012 9:06 AM, Kent A. Reed wrote:
... If one is satisfied that the internal, latency-test approach
provides a reasonable metric, then it would be dead-simple to take
latency-test/latencyplot a step further, bin the results, and derive
interesting
On 12/5/2012 2:38 PM, Gene Heskett wrote:
On Wednesday 05 December 2012 14:33:01 EBo did opine:
On Dec 5 2012 9:03 AM, Kent A. Reed wrote:
On 12/5/2012 4:16 AM, EBo wrote:
On Dec 4 2012 9:06 AM, Kent A. Reed wrote:
... If one is satisfied that the internal, latency-test approach
provides
On 12/4/2012 5:41 AM, Michael Haberler wrote:
So much for the value of re-applying past experiences;)
Fortunately, human beings have the capacity both to remember the past
(ala George Santayana) and to imagine the future can be different.
Or as my grandmother (sorry, she was the font of all
On 12/4/2012 2:47 AM, Anders Wallin wrote:
I'm trying to place your 30us latency number in context. What
motherboard/bios/cpu?
This is a new Intel DH61AG mini-ITX motheboard with an Intel Core i3 2120T
2.6 GHz LGA1155 CPU. It has 4G of ram and a 60G SSD disk.
On specs alone, this sounds like
On 12/3/2012 12:51 AM, EBo wrote:
On Dec 2 2012 10:26 PM, Kent A. Reed wrote:
...
Curiously, Plan 9 (the OS from ATT, not the movie from Ed Wood!) has
recently been reemerging in the Internet consciousness. I don't think
Plan 9 is the answer, but the outside-the-box thinking that went
Quoting from the exchange between Michael Haberler and Anders Wallin:
AW sudo update-initramfs -c -k 3.2.21-xenomai+ (I am not sure this is
required or done by dpkg)
MAH at least the 10.04 dpkg fails to do that for me, maybe this is some
option I am missing; but dpkg and friends are in
On 12/2/2012 11:22 PM, Michael Haberler wrote:
just noting where we are on various ARM builds - ARM really because it is the
only non-x86 platform I'm looking into and so I have nothing contribute
otherwise
And a very nice note it is, Michael. There's more factual meat in it
than I have
On 12/2/2012 11:27 PM, Michael Haberler wrote in response to me:
KAR ... Neither build broke. In the first case redis isn't present, as
Michael
has already explained, but in the second case redis certainly is
present. Where in the build are you running into trouble with redis on a
12.04LTS
On 11/30/2012 8:51 AM, Yishin Li wrote:
On Fri, Nov 30, 2012 at 9:25 PM, Kent A. Reed kentallanr...@gmail.comwrote:
On 11/29/2012 9:42 PM, Yishin Li wrote:
Yocto might be useful for cross building. I've tried to cross build yocto
for x86. It also supports BeagleBone. I don't have experience
On 11/21/2012 8:09 AM, Charles Steinkuehler wrote:
I don't mind. I would have sent to the dev list in the first place,
but I'm still figuring out what should/shouldn't be posted to the list.
Oh, please! The reason you can't figure it out is we have no
rulesjust a sense that this is where
On 11/20/2012 11:40 AM, Anders Wallin wrote:
Good news!
I've ordered a Pi (Farnell re-directs to a local distributor), but the
delivery-time seems to be 3 weeks right now(?)
Good luck with that! Some six months ago I ordered an original (256MB)
Series-B RPi from Allied Electronics here in the
On 11/14/2012 2:19 AM, John Morris wrote:
While sitting around waiting for the umpteenth time for the Xenomai
kernel to build, this time with Michael's config just to help narrow
things down, I compiled up LinuxCNC xenomai-user.
Latency-test works. And on the same kernel that, combined with
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