Re: [Emc-users] Strange Sound from Motors when Home Latched
I had a problem similar to this, including intermittent faulting, because I didn't have HOME_FINAL_VEL set. It was moving from the index position, to 0 too fast. I can't remember if it was because I hadn't set the maximums yet, or if it was the bug in joint mode, where an axis can exceed its maximum velocity. -Original Message- From: Sebastian Kuzminsky [mailto:s...@highlab.com] Sent: Wednesday, 14 March 2012 4:43 PM To: Enhanced Machine Controller (EMC) Subject: Re: [Emc-users] Strange Sound from Motors when Home Latched On 03/13/2012 09:53 PM, Shabbir Hussain wrote: I have set up a lathe machine with analog AC servos and Mesa 7i43 and 7i33. The following error is 0.017 mm at start (acceleration) and then reduced to 0.008 mm at 6000 mm/min. Everything is just fine except: When the machine is homed the axis moves towards home switch, touches it and then moves away with latch velocity. As the index pulse is encoutered the axis stops with a DHUCKK sound. The sound only comes in homing when the axis are away from home switch ( say 150 mm). The machine runs fine rest of the moves. I can jog it at 7200 mm/min, stop it then move it in reverse direction without any sound. The setting for HOME_SEARCH_VEL is 20 mm/sec and HOME_LATCH_VEL is set at -1.0 mm/sec. The hal scope trace of the f-error signal shows an error of 0.06 mm and pid output saturated for very small time. I am using 2.4.7 on ubuntu 10.04. Kindly advise? We used to call this the index homing THUMP problem ;-) Chris Radek fixed it back in 2009; the fix is in 2.4.7 but you need to enable it in hal. The pid component has a pin named index-enable, you should hook it to the encoder's index-enable pin to get rid of the thump. See the pid(9) manpage for more details. -- Sebastian Kuzminsky -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Q re lathe vs axis
On Wednesday, March 14, 2012 03:07:04 AM Jon Elson did opine: gene heskett wrote: [gene@coyote cmds]$ ssh -Y lathe Warning: Permanently added 'lathe,192.168.71.5' (RSA) to the list of known hosts. gene@lathe's password: X11 forwarding request failed on channel 0 Did you try ssh -X? That's what I use. Not sure it can export the open GL window from Axis, however. Then, of course, you need the computer you are on to ALLOW an X session to be opened on it from the remote (EMC) node. On linux, xhost +nodename is what I use. I usually use something like xclock to check that the X session stuff works before trying anything like EMC. Jon I'm not sure what is going on here Jon. First, from the ssh man page: −Y Enables trusted X11 forwarding. Trusted X11 forwardings are not subjected to the X11 SECURITY extension controls. So I have always used the -Y login option. I have executed 'xhost +' which turns off all access controls on this box, enabling anyone to use the X facilities. 2 identical machines, installed from the same cd, one works, one does not. The one that works uses display:10, the newer one that doesn't, tries to use display:0. Someplace on that box, or on this one, is a place to set that, but damnedifIknowwhere. Extensive reading of man pages in the last hour or more haven't even turned on a night light. I'm sure it will be a forehead slapper when I find it. -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene -- There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) My web page: http://coyoteden.dyndns-free.com:85/gene Earth is a beta site. -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Q re lathe vs axis
2 identical machines, installed from the same cd, one works, one does not. The one that works uses display:10, the newer one that doesn't, tries to use display:0. display:10 is normally what I see when I ssh to a remote box. Display:0 is the local machine's monitor/video card. From memory, xhost is the old style security. You need to look at xauth if you are having problems. -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Compiling Gotcha
On 03/14/2012 02:01 AM, gene heskett wrote: On Wednesday, March 14, 2012 01:58:58 AM Kirk Wallace did opine: In case anyone might want to know. I've been on IRC lately with AVR software problems. I wanted to get an RTS signal feature activated. The feature gets turned on by #ifdef's in the source, so I found out I can do this by adding the define option, -DRTS_ENABLE, to the Makefile, but it didn't work. After much fiddling, I found that make doesn't look at source files that don't change since the last make. Since none of the source files ever changed, none of the #ifdef RTS_ENABLE's got done. I started adding LED toggles in the source to track where the RTS code flows and when I got to the serial port file, RTS started working because the file got recompiled from the LED toggle change. I removed all of the toggles and now have RTS and RS485. Wah Hooo. One of the reasons I am fond of a 'make clean; make'. :) Cheers, Gene Even better is 'make distclean; make'. ;-) Mark -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] (no subject)
what do you suppose the laser wattage is? --- On Tue, 3/13/12, dave dengv...@charter.net wrote: From: dave dengv...@charter.net Subject: [Emc-users] (no subject) To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net Date: Tuesday, March 13, 2012, 11:38 AM This was sent to me by a guy at Boeing. Thought a few of you would appreciate the concept even tho the technology is a bit spendy. ;-) Dave http://www.youtube.com/watch?v=1YgEOsZ8iJgfeature=g-all-ucontext=G2fe384fFWAA -- Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] (no subject)
Renishaw website seems to indicate between 100 and 400 W. The description ytterbium fibre laser would suggest a wavelength around 1064nm (not the CO2 10um usually used for laser-cutters) On Wed, Mar 14, 2012 at 12:19 PM, charles green xxzzb...@yahoo.com wrote: what do you suppose the laser wattage is? This was sent to me by a guy at Boeing. Thought a few of you would appreciate the concept even tho the technology is a bit spendy. ;-) Dave http://www.youtube.com/watch?v=1YgEOsZ8iJgfeature=g-all-ucontext=G2fe384fFWAA -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Q re lathe vs axis
On Wednesday, March 14, 2012 10:22:45 AM Frank Tkalcevic did opine: 2 identical machines, installed from the same cd, one works, one does not. The one that works uses display:10, the newer one that doesn't, tries to use display:0. display:10 is normally what I see when I ssh to a remote box. Display:0 is the local machine's monitor/video card. From memory, xhost is the old style security. You need to look at xauth if you are having problems. And that man page is as obtuse as any I've seen. I have succeeded in getting it to list whats in the .Xauthority file, but the syntax to 'add' seems beyond the man page writers ability to explain or define. The output of the list command locally would appear to be a 3 line format, with an ipv6 address leading off the middle line in the local file, and the same . generated MIT-MAGIC-COOKIE completing each line. Apparently I have blacklisted enough ipv6 on that machine that only the MAC address is being shown by an ifconfig. Here, an xauth list spits out: [gene@coyote ~]$ xauth list coyote.coyote.den:0 MIT-MAGIC-COOKIE-1 4a42e1926ce6b188504f8b037d05d216 [fe80::21f:c6ff:fe62:fcbb]:0 MIT-MAGIC-COOKIE-1 4a42e1926ce6b188504f8b037d05d216 coyote.coyote.den/unix:0 MIT-MAGIC-COOKIE-1 4a42e1926ce6b188504f8b037d05d216 The ipv6 address is what an ifconfig spits out for this machine. Its there but I have no clue if it works. The 'shop' box doesn't have ipv6 disabled, and it shows inet6 addr: fe80::3a60:77ff:fe4e:381b/64 Scope:Link in the ifconfig output. A ping6 fe80::3a60:77ff:fe4e:381b doesn't work, acts like a syntax error, and of course there is no man page for ping6. Figures... According to 'man ping' there are switches to make it use ipv6 stuff, but when you try them, its all unk host errors. If they want this ipv6 crap to go live about 100 days from now, there is going to be a lot of gored oxen around with the its all a big secret manpages we have now. I have a help request posted to the xorg list, we'll see what they say. In the meantime: Logged into lathe, an xauth list: gene@lathe:~$ xauth list xauth: creating new authority file /home/gene/.Xauthority repeat add infinitum Logged into shop: gene@shop:~$ xauth list coyote.coyote.den/unix:0 MIT-MAGIC-COOKIE-1 b64d0542f0d05ae2e20ce5a7e681aa62 shop/unix:12 MIT-MAGIC-COOKIE-1 5291c89d9bdd54e02883c1d3da2b9f6a shop/unix:11 MIT-MAGIC-COOKIE-1 371064acbe7290755dc6d65fcd0879a6 shop/unix:10 MIT-MAGIC-COOKIE-1 2bed8f9e22ee31afb8da68b713916518 Is there a better tut somewhere than this man page where only Sid Dabster would know how to read? Cheers, Gene -- There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) My web page: http://coyoteden.dyndns-free.com:85/gene I found Rome a city of bricks and left it a city of marble. -- Augustus Caesar -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Q re lathe vs axis
On 03/14/2012 11:09 AM, gene heskett wrote: On Wednesday, March 14, 2012 11:07:29 AM Mark Wendt did opine: On 03/14/2012 05:19 AM, Frank Tkalcevic wrote: 2 identical machines, installed from the same cd, one works, one does not. The one that works uses display:10, the newer one that doesn't, tries to use display:0. display:10 is normally what I see when I ssh to a remote box. Display:0 is the local machine's monitor/video card. From memory, xhost is the old style security. You need to look at xauth if you are having problems. Also make sure X11Forwarding is set to yes in the /etc/ssh/sshd_config file. Mark It is Mark, apparently the default. From that file: X11Forwarding yes X11DisplayOffset 10 Looks legit to me. Cheers, Gene Okay, then does ssh -X hostname work? I know you like the -Y qualifier, but... ;-) Mark -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Q re lathe vs axis
On Wednesday, March 14, 2012 11:33:06 AM Mark Wendt did opine: On 03/14/2012 11:09 AM, gene heskett wrote: On Wednesday, March 14, 2012 11:07:29 AM Mark Wendt did opine: On 03/14/2012 05:19 AM, Frank Tkalcevic wrote: 2 identical machines, installed from the same cd, one works, one does not. The one that works uses display:10, the newer one that doesn't, tries to use display:0. display:10 is normally what I see when I ssh to a remote box. Display:0 is the local machine's monitor/video card. From memory, xhost is the old style security. You need to look at xauth if you are having problems. Also make sure X11Forwarding is set to yes in the /etc/ssh/sshd_config file. Mark It is Mark, apparently the default. From that file: X11Forwarding yes X11DisplayOffset 10 Looks legit to me. Cheers, Gene Okay, then does ssh -X hostname work? I know you like the -Y qualifier, but... ;-) Mark No. Same error: [gene@coyote ~]$ ssh -X lathe gene@lathe's password: X11 forwarding request failed on channel 0 I need to get to it, a phone call managed to dislodge a dipstick tube from the bowels of fedex just now, that was shipped overnight monday. Cheers, Gene -- There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) My web page: http://coyoteden.dyndns-free.com:85/gene The Ancient Doctrine of Mind Over Matter: I don't mind... and you don't matter. -- As revealed to reporter G. Rivera by Swami Havabanana -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Compiling Gotcha
On Wed, 2012-03-14 at 11:11 -0400, Mark Wendt wrote: ... snip I tried that 2 or 3 times, ate my lunch every time. Deletes too much. Cheers, Gene I forgot one thing - 'make distclean, ./configure; make'. The distclean usually deletes the Makefile created by './configure'. Mark If I'm not mistaken, this all presumes that ./configure and make 'any function here' exist. To get this straight, if make clean does exist and it deletes all of the .o files (and usually bins and other user files?), gcc will notice on the next make that the .o's need to be compiled and will compile all of the .c's and .h's even though none of the files have changed? Also, in one library, the author uses data type prefixes, such as ucMycounter instead of mycounter, then look for where it is defined to see what type it is, such as unsigned char. Is this preferred practice? Is there a good (modern) reference to use as C and Linux development how-to and best practices? -- Kirk Wallace http://www.wallacecompany.com/machine_shop/ http://www.wallacecompany.com/E45/index.html California, USA -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Q re lathe vs axis
On 3/14/2012 11:04 AM, gene heskett wrote: The ipv6 address is what an ifconfig spits out for this machine. Its there but I have no clue if it works. The 'shop' box doesn't have ipv6 disabled, and it shows inet6 addr: fe80::3a60:77ff:fe4e:381b/64 Scope:Link in the ifconfig output. A ping6 fe80::3a60:77ff:fe4e:381b doesn't work, acts like a syntax error, and of course there is no man page for ping6. Figures... According to 'man ping' there are switches to make it use ipv6 stuff, but when you try them, its all unk host errors. If they want this ipv6 crap to go live about 100 days from now, there is going to be a lot of gored oxen around with the its all a big secret manpages we have now. Gene: I truly sympathize because I've also been in situations where everything I did seemed to make things worse, but I think this is overreacting to IPv6. My recent Linux/Windows installs have all added IPv6 interfaces as shown by ifconfig (renamed ipconfig in Windows, thanks to some MS-dweb) even though I'm not setting up IPv6 intentionally. I agree the documentation is sorry but when was that not the case with Unix/Linux? Let the LinuxCNC author without sin cast the first stone regarding documentation. Still, my hosts all just work. As a latest for instance: I just installed LinHES (MythTV on ArchLinux) on a host in the basement on the wired-LAN side of a wireless client bridge I created from a Linksys AP running DD-WRT. Running Ubuntu 11.10 inside VirtualBox on a Windows 7 host on the wired-LAN side of a stock wireless AP upstairs, I was immediately able to ssh -Y into the LinHES box without my fingers leaving my hands. (Most of those details are irrelevant other than to show that mixing and matching a bunch of stuff using default settings has worked well enough for me.) Speaking figuratively, I can't help but think that in the process of fixing (in the veterinarian sense) the IPv6 issues on your new host some wires have gotten crossed. My first car (it had fins!) didn't run too well either after I managed to cross several spark plug wires. As soon as Comcast offers IPv6-service to me here in Gaithersburg I expect to test their connectivity. My grandmother liked to say there's many a slip twixt the fork and the lip. I think most of the slips with IPv6 are going to take place twixt us end users and the world. Have you tried running from a LiveCD/LiveUSBStick on whichever host isn't cooperating (coyote, is it?) to see if at least the basic distribution works? Truth in advertising: Sometimes I'm brilliantly correct. Sometimes I'm spectacularly incorrect. Mostly I just muddle through, but I always sound like I know what I'm talking about. Regards, Kent PS - whenever I get an error message I slap it into my search engine du jour. Surprise---X11 forwarding request failed on channel 0 gets a lot of play. -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Compiling Gotcha
On 3/14/2012 11:11 AM, Mark Wendt wrote: On 03/14/2012 11:05 AM, gene heskett wrote: On Wednesday, March 14, 2012 11:04:37 AM Mark Wendt did opine: On 03/14/2012 02:01 AM, gene heskett wrote: On Wednesday, March 14, 2012 01:58:58 AM Kirk Wallace did opine: ... One of the reasons I am fond of a 'make clean; make'. :) Cheers, Gene Even better is 'make distclean; make'. ;-) Mark I tried that 2 or 3 times, ate my lunch every time. Deletes too much. Cheers, Gene I forgot one thing - 'make distclean, ./configure; make'. The distclean usually deletes the Makefile created by './configure'. Mark All well and good, boys and girls, but let's not forget that clean and distclean are not intrinsic functions of make. They are merely targets in the Makefile like any other. It's become a convention to name certain targets clean, etc., but only the Makefile writer can give them the semantics you expect. When in doubt, read the file. Regards, Kent -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
[Emc-users] OT: on the universal connectedness of not-so smart devices
Gentle persons: A sideshoot of the discussion of Gene's IPv6 issues was the commenting on smart appliances. That was fun but a little off the mark since the dumbness of smart appliances isn't caused by universal connectivity, it's caused by programmers. Still, the Internet has the same multiplier effect that jet planes have on communicable diseases. I just received from a friend this link to a TED talk that some may find relevant http://www.ted.com/talks/avi_rubin_all_your_devices_can_be_hacked.html Regards, Kent -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Q re lathe vs axis
On Wed, 2012-03-14 at 11:04 -0400, gene heskett wrote: And that man page is as obtuse as any I've seen. Rather than hammering that out by hand, use the remote desktop built right into Ubuntu? On the Ubuntu machine attached to the mill, clicky: System - Preferences - Remote Desktop Then select: Allow other users to view your desktop Allow other users to control your desktop Set up the Security section to suit your paranoia. On the Ubuntu machine attached to your Comfy Chair, clicky: Applications - Internet - Remote Desktop Viewer It'll show you a list of what's available on your network, which should include the milling machine. Clicky to select, feed in a password if you set it up that way, blow that window up to full screen, and you're there... Works for me, anyhow. I do pretty nearly all the setup fiddling from the Comfy Chair for both the Sherline Thing-O-Matic, then drop down to the Basement Lab to actually start building things. Not quite so manly as mud-wrestling with X, but ... -- Ed http://softsolder.com -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
[Emc-users] LinuxCNC 2.5.0 release date
I'm planning to make the release on or around March 31. If you know of any reason not to do this, please say so now! Chris -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Q re lathe vs axis
On Wednesday, March 14, 2012 06:17:51 PM Mark Wendt did opine: On 03/14/2012 11:36 AM, gene heskett wrote: On Wednesday, March 14, 2012 11:33:06 AM Mark Wendt did opine: On 03/14/2012 11:09 AM, gene heskett wrote: On Wednesday, March 14, 2012 11:07:29 AM Mark Wendt did opine: On 03/14/2012 05:19 AM, Frank Tkalcevic wrote: 2 identical machines, installed from the same cd, one works, one does not. The one that works uses display:10, the newer one that doesn't, tries to use display:0. display:10 is normally what I see when I ssh to a remote box. Display:0 is the local machine's monitor/video card. From memory, xhost is the old style security. You need to look at xauth if you are having problems. Also make sure X11Forwarding is set to yes in the /etc/ssh/sshd_config file. Mark It is Mark, apparently the default. From that file: X11Forwarding yes X11DisplayOffset 10 Looks legit to me. Cheers, Gene Okay, then does ssh -Xhostname work? I know you like the -Y qualifier, but... ;-) Mark No. Same error: [gene@coyote ~]$ ssh -X lathe gene@lathe's password: X11 forwarding request failed on channel 0 I need to get to it, a phone call managed to dislodge a dipstick tube from the bowels of fedex just now, that was shipped overnight monday. Cheers, Gene Anything in the logs on either machine regarding the failure? Mark Doesn't seem to be, Mark. Cheers, Gene -- There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) My web page: http://coyoteden.dyndns-free.com:85/gene The sweeter the apple, the blacker the core -- Scratch a lover and find a foe! -- Dorothy Parker, Ballad of a Great Weariness -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Q re lathe vs axis
On Wednesday, March 14, 2012 07:27:40 PM Kent A. Reed did opine: On 3/14/2012 11:04 AM, gene heskett wrote: The ipv6 address is what an ifconfig spits out for this machine. Its there but I have no clue if it works. The 'shop' box doesn't have ipv6 disabled, and it shows inet6 addr: fe80::3a60:77ff:fe4e:381b/64 Scope:Link in the ifconfig output. A ping6 fe80::3a60:77ff:fe4e:381b doesn't work, acts like a syntax error, and of course there is no man page for ping6. Figures... According to 'man ping' there are switches to make it use ipv6 stuff, but when you try them, its all unk host errors. If they want this ipv6 crap to go live about 100 days from now, there is going to be a lot of gored oxen around with the its all a big secret manpages we have now. Gene: I truly sympathize because I've also been in situations where everything I did seemed to make things worse, but I think this is overreacting to IPv6. My recent Linux/Windows installs have all added IPv6 interfaces as shown by ifconfig (renamed ipconfig in Windows, thanks to some MS-dweb) even though I'm not setting up IPv6 intentionally. I agree the documentation is sorry but when was that not the case with Unix/Linux? Let the LinuxCNC author without sin cast the first stone regarding documentation. Still, my hosts all just work. As a latest for instance: I just installed LinHES (MythTV on ArchLinux) on a host in the basement on the wired-LAN side of a wireless client bridge I created from a Linksys AP running DD-WRT. Running Ubuntu 11.10 inside VirtualBox on a Windows 7 host on the wired-LAN side of a stock wireless AP upstairs, I was immediately able to ssh -Y into the LinHES box without my fingers leaving my hands. (Most of those details are irrelevant other than to show that mixing and matching a bunch of stuff using default settings has worked well enough for me.) Speaking figuratively, I can't help but think that in the process of fixing (in the veterinarian sense) the IPv6 issues on your new host some wires have gotten crossed. My first car (it had fins!) didn't run too well either after I managed to cross several spark plug wires. As soon as Comcast offers IPv6-service to me here in Gaithersburg I expect to test their connectivity. My grandmother liked to say there's many a slip twixt the fork and the lip. I think most of the slips with IPv6 are going to take place twixt us end users and the world. Have you tried running from a LiveCD/LiveUSBStick on whichever host isn't cooperating (coyote, is it?) to see if at least the basic distribution works? Truth in advertising: Sometimes I'm brilliantly correct. Sometimes I'm spectacularly incorrect. Mostly I just muddle through, but I always sound like I know what I'm talking about. Regards, Kent PS - whenever I get an error message I slap it into my search engine du jour. Surprise---X11 forwarding request failed on channel 0 gets a lot of play. And the third post down had a partial fix, add AddressFamily inet to /etc/ssh/sshd_config, and that error goes away. But linuxcnc -l fails, leaving this in linuxcnc_debug.txt: Can not find -sec MOT -var MOT -num 1 Can not find -sec IO -var IO -num 1 Can not find -sec TASK -var TASK_LD_PRELOAD -num 1 Can not find -sec DISPLAY -var DISPLAY_LD_PRELOAD -num 1 Can not find -sec LINUXCNC -var NML_FILE -num 1 Can not find -sec EMC -var NML_FILE -num 1 23359 PID TTY STAT TIME COMMAND 23411 PID TTY STAT TIME COMMAND Stopping realtime threads Unloading hal components Is there no end to this? Thanks all. Cheers, Gene -- There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) My web page: http://coyoteden.dyndns-free.com:85/gene An entire fraternity of strapping Wall-Street-bound youth. Hell - this is going to be a blood bath! -- Post Bros. Comics -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] LinuxCNC 2.5.0 release date
Chris Radek wrote: I'm planning to make the release on or around March 31. If you know of any reason not to do this, please say so now! WOW, at LAST! Great news! I wish I could make some of my docs better, and may take another look at them, but I'm just too close to it to ever be able to read it as a beginner. Thanks for all the hard work! Jon -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Q re lathe vs axis
On Wednesday, March 14, 2012 10:09:09 PM Ed Nisley did opine: On Wed, 2012-03-14 at 11:04 -0400, gene heskett wrote: And that man page is as obtuse as any I've seen. Rather than hammering that out by hand, use the remote desktop built right into Ubuntu? On the Ubuntu machine attached to the mill, clicky: System - Preferences - Remote Desktop Then select: Allow other users to view your desktop Allow other users to control your desktop Set up the Security section to suit your paranoia. On the Ubuntu machine attached to your Comfy Chair, clicky: No ubuntu machine anywhere near the 'Comfy Chair' Ed. PClos on this quad core phenom. Running a newer kernel than the LTS, using the bfs scheduler. Its noticably a snappier desktop than the same kernel using the cfs scheduler. Applications - Internet - Remote Desktop Viewer It'll show you a list of what's available on your network, which should include the milling machine. Clicky to select, feed in a password if you set it up that way, blow that window up to full screen, and you're there... Works for me, anyhow. I do pretty nearly all the setup fiddling from the Comfy Chair for both the Sherline Thing-O-Matic, then drop down to the Basement Lab to actually start building things. Not quite so manly as mud-wrestling with X, but ... Chuckle. I did go check, linuxcnc runs just fine from its own keyboard, but not from an ssh login. This all works tikitti-boo on the mills box. Cheers, Gene -- There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) My web page: http://coyoteden.dyndns-free.com:85/gene I'm not afraid of dying, I just don't want to be there when it happens. -- Woody Allen -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Voltage to frequency for analog input
If you just want to go from analog to LinuxCNC, have you considered using an ATmega to parallel port interface? The AVR can accept pure analog or some pulsed variety, such frequency counting , PWM or PDM. A dual parallel port PCI card is ~$15, Arduino Pro Mini for $20: http://www.sparkfun.com/products/9218 You could isolate the parallel port pins with a parallel port breakout board. This could run with a real-time component. As far as I understand it that is basically what I am doing with my current approach of an Arduino with a small program to go from an analog input to frequency output, with the frequency out going to an isolated I/O daughter card input (Mesa 7i37 I believe) of a Mesa 5i23. The problem to me seems to be the software encoder rate, which I believe I would hit with your suggestion as well. Or are you suggesting not doing analog-to-frequency but rather something like 8 digital inputs and using the weighted_sum component? Thanks for clarifying, Scott -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Q re lathe vs axis
gene heskett wrote: I just checked, LinuxCNC will run over an ssh -X connection, but the graphics are MASSIVELY slow. Once the Axis GUI is up, it isn't too bad, but it takes 30 seconds or more for it to come up the first time. The repaint of the 3-D preview takes a couple seconds. Now, one detail is I have Open GL on the computer I am running the session from, I imagine that makes a difference. Touchy or TKEmc would work without Open GL. Basically any computer that has LinuxCNC installed should be able to run a remote version of LinuxCNC over an ssh connection. Otherwise, it would need Open GL to handle the 3-D graphic window from Axis. Jon -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Q re lathe vs axis
On Wednesday, March 14, 2012 11:50:05 PM Jon Elson did opine: gene heskett wrote: I just checked, LinuxCNC will run over an ssh -X connection, but the graphics are MASSIVELY slow. Once the Axis GUI is up, it isn't too bad, but it takes 30 seconds or more for it to come up the first time. The repaint of the 3-D preview takes a couple seconds. Now, one detail is I have Open GL on the computer I am running the session from, I imagine that makes a difference. Touchy or TKEmc would work without Open GL. Basically any computer that has LinuxCNC installed should be able to run a remote version of LinuxCNC over an ssh connection. Otherwise, it would need Open GL to handle the 3-D graphic window from Axis. Jon It works just fine, with nice snappy gfx on an identical box that is running the mill. gfx is better and faster than on its own screen. Cheers, Gene -- There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) My web page: http://coyoteden.dyndns-free.com:85/gene brain, n: The apparatus with which we think that we think. -- Ambrose Bierce, The Devil's Dictionary -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Voltage to frequency for analog input
On Wed, 2012-03-14 at 21:56 -0500, Scott Hasse wrote: ... snip Or are you suggesting not doing analog-to-frequency but rather something like 8 digital inputs and using the weighted_sum component? ... snip Yes, analog to Arduino to parallel port. I didn't realize you already had an Arduino in the loop. I would think you could use ten parallel port and Arduino pins to feed the analog value to LinuxCNC. The SPP experiment section here: http://wiki.linuxcnc.org/cgi-bin/wiki.pl?AVR shows a setup for sending eight bits at a time out to an AVR with SPP, input with ten bits shouldn't be too much harder and can run at or close to the base thread rate. -- Kirk Wallace http://www.wallacecompany.com/machine_shop/ http://www.wallacecompany.com/E45/index.html California, USA -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
