Re: [Emc-users] HELP?! Problems with a Reinstall of EMC 2.3 No OpenGL for Axis?
Look what happens when I don't check email for a few days.. now I'm even more behind ;-) On May 22, 2010, at 11:02 PM, Gene Heskett wrote: On Sunday 23 May 2010, Michael Jones wrote: Ok.. so here's the weird thing... I completely purged the NVIDIA proprietary drivers from the system, and now OpenGL loads with the NV driver? Some weird incompatibility going on I suppose. But now I noticed that I don't have any sound.. can't win for loosing... I guess I don't really NEED sound on this machine but it bothers me that it's not there. Now that you mention it, I have never even had speakers on that box. Couldn't see any great need for it when the machine and its cooling fans are enough to make you forget your wifes name. I have serious fans on my xylotex 4 axis rig, 2 old psu fans, but they are running on about 19 volts, so they _scream_ right along at probably 8k rpms, maybe more. With the NV Driver I'm able to get smooth motion from 0 to around 50ipm (screws and bearingless screws) on my little rebuilt DM4s, but I'm wondering if things might be even a little cleaner with the vesa driver - I'll have to check that one out. Thats not too bad from where I sit, how pure are the tones from the motors when running at a steady speed? If it sounds raspy, thats generally not great. The sounds from the motors are nice and pure.. took me a bit of tinkering with the settings to get stuff JUST right but now .. works like a dream. The downside now is that when I run it at that speed (usually only for prototyping in foam or similar) the lack of bearings in the axis interface causes it to chatter a little and get cranky. Bearings of some kind on at least the X axis is my next project This little machine needs some more work and upgrades (better backlash control.. needs to be refit with some bearings on the interface between the Screw and the axes) before it works the way I want it to, I did that too, using small radial thrust bearings a bit preloaded. That helped a bunch. Now if it just had some decent nuts. :( but for now it does pretty well. I'm also thinking of a 4th axis.. but before that happens.. I have to get it working again. Thanks for the suggestions. Glad I could help, Michael. -- 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) Dead? No excuse for laying off work. -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] HELP?! Problems with a Reinstall of EMC 2.3 No OpenGL for Axis?
On 05/23/2010 11:13 AM, Gene Heskett wrote: Do we have any recommendations for a video card and driver that doesn't cause problems. I loaded a machine at work with Ubuntu 10.4 LTS. I had two ATI cards on hand, a Rage, and a very high end ATI that had it's own power plugin from the computer's power supply. I couldn't get either of them to work worth doo-doo using either the generic drivers or the so-called ATI something or other drivers. Screen had dropouts, color weirdness, would flicker occasionally and other oddness. Since neither board would work very well, I ended up with an Nvidia board. But with the report problems of Michael and Gene, what other options do we have? Mark I believe I have an nvidia card in my machines driver box. Running the vesa driver. Another, lesser powered box I use for the sacrificial 'goat.coyote.den' machine, has an ATI 9200SE AGP card in it, and if I ever get around to motorizing the feed on my resawing bandsaw with it, I believe it will be fine with whatever drivers the 8.04 LTS install runs it with. That machine atm has 10.4 on it, but it doesn't have the iron to run 10.4 at all well. Its only a 1ghz athlon with 384 megs of ram, so its limits are pretty well demoed when they have been hit. It turns into a dog with only one good leg once it starts swapping. I have not tried to force that install into the vesa box, but it might help a small bit as vesa doesn't seem to use as much memory. It's weird, but the machines with the ATI boards run 8.04 just fine, but have the problems with 10.04 LTS. Maybe the video drivers are still a thing in the works. Mark -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] HELP?! Problems with a Reinstall of EMC 2.3 No OpenGL for Axis?
On 05/23/2010 06:18 PM, Dave wrote: From what I have gathered 10.4 suffers from similar video problems that 9.10 did. One issue is that 9.10 and apparently also 10.4 oftentimes can't access the video screen correctly to determine the screens capabilities. If you use the Vesa driver and you know your screen resolution, you can force the Vesa driver to set the video which apparently gets rid of some of the screen flickering issues etc. Another user, and then I found that the D510 intel board with the onboard intel GMA3150 video had an issue with 9.10 so I wrote up a work around for the D510 board. If you are going to use the Vesa driver perhaps this would be some help. Go to this page... http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?EMC_Ubuntu91 And scroll down to the bottom where it says: *Note Relating to cannot load the i810 module error when first booting compiled Kernel:* The xorg.conf.failsafe file is setup to use the Vesa driver.. so this procedure just sets things up so the vesa driver is used and then describes how to set the config file so it is optimal for the monitor you have connected. This doesn't fix any Linux issue, it is really a work around. Dave Ah, figures. I mentioned to Gene in the previous email that I didn't have any problems in 8.04 (didn't try the 9.10 version so I didn't notice the video problems there). Other than ATI and NVidia, are there other decent video cards, or have they pretty much taken over the field? Mark -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] HELP?! Problems with a Reinstall of EMC 2.3 No OpenGL for Axis?
There's also Matrox. On Mon, May 24, 2010 at 2:27 AM, Mark Wendt mark.we...@nrl.navy.mil wrote: On 05/23/2010 06:18 PM, Dave wrote: From what I have gathered 10.4 suffers from similar video problems that 9.10 did. One issue is that 9.10 and apparently also 10.4 oftentimes can't access the video screen correctly to determine the screens capabilities. If you use the Vesa driver and you know your screen resolution, you can force the Vesa driver to set the video which apparently gets rid of some of the screen flickering issues etc. Another user, and then I found that the D510 intel board with the onboard intel GMA3150 video had an issue with 9.10 so I wrote up a work around for the D510 board. If you are going to use the Vesa driver perhaps this would be some help. Go to this page... http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?EMC_Ubuntu91 And scroll down to the bottom where it says: *Note Relating to cannot load the i810 module error when first booting compiled Kernel:* The xorg.conf.failsafe file is setup to use the Vesa driver.. so this procedure just sets things up so the vesa driver is used and then describes how to set the config file so it is optimal for the monitor you have connected. This doesn't fix any Linux issue, it is really a work around. Dave Ah, figures. I mentioned to Gene in the previous email that I didn't have any problems in 8.04 (didn't try the 9.10 version so I didn't notice the video problems there). Other than ATI and NVidia, are there other decent video cards, or have they pretty much taken over the field? Mark -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users -- http://www.pixpopuli.com -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] HELP?! Problems with a Reinstall of EMC 2.3 No OpenGL for Axis?
I ran Ubuntu's update procedure and most of my screen problems went away. Actually, all I know/knew about have. You're right the size wouldn't go over 800x600 until after the update. Oh, an internal NVidia graphics device. On 05/24/2010 09:34 AM, Neil Baylis wrote: There's also Matrox. On Mon, May 24, 2010 at 2:27 AM, Mark Wendtmark.we...@nrl.navy.mil wrote: On 05/23/2010 06:18 PM, Dave wrote: From what I have gathered 10.4 suffers from similar video problems that 9.10 did. One issue is that 9.10 and apparently also 10.4 oftentimes can't access the video screen correctly to determine the screens capabilities. If you use the Vesa driver and you know your screen resolution, you can force the Vesa driver to set the video which apparently gets rid of some of the screen flickering issues etc. Another user, and then I found that the D510 intel board with the onboard intel GMA3150 video had an issue with 9.10 so I wrote up a work around for the D510 board. If you are going to use the Vesa driver perhaps this would be some help. Go to this page... http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?EMC_Ubuntu91 And scroll down to the bottom where it says: *Note Relating to cannot load the i810 module error when first booting compiled Kernel:* The xorg.conf.failsafe file is setup to use the Vesa driver.. so this procedure just sets things up so the vesa driver is used and then describes how to set the config file so it is optimal for the monitor you have connected. This doesn't fix any Linux issue, it is really a work around. Dave Ah, figures. I mentioned to Gene in the previous email that I didn't have any problems in 8.04 (didn't try the 9.10 version so I didn't notice the video problems there). Other than ATI and NVidia, are there other decent video cards, or have they pretty much taken over the field? Mark -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users -- Our peculiar security is in the possession of a written Constitution. Let us not make it a blank paper by construction. --Thomas Jefferson, letter to Wilson Nicholas, 1803 -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] HELP?! Problems with a Reinstall of EMC 2.3 No OpenGL for Axis?
On Sunday 23 May 2010, Michael Jones wrote: Ok.. so here's the weird thing... I completely purged the NVIDIA proprietary drivers from the system, and now OpenGL loads with the NV driver? Some weird incompatibility going on I suppose. But now I noticed that I don't have any sound.. can't win for loosing... I guess I don't really NEED sound on this machine but it bothers me that it's not there. Now that you mention it, I have never even had speakers on that box. Couldn't see any great need for it when the machine and its cooling fans are enough to make you forget your wifes name. I have serious fans on my xylotex 4 axis rig, 2 old psu fans, but they are running on about 19 volts, so they _scream_ right along at probably 8k rpms, maybe more. With the NV Driver I'm able to get smooth motion from 0 to around 50ipm (screws and bearingless screws) on my little rebuilt DM4s, but I'm wondering if things might be even a little cleaner with the vesa driver - I'll have to check that one out. Thats not too bad from where I sit, how pure are the tones from the motors when running at a steady speed? If it sounds raspy, thats generally not great. This little machine needs some more work and upgrades (better backlash control.. needs to be refit with some bearings on the interface between the Screw and the axes) before it works the way I want it to, I did that too, using small radial thrust bearings a bit preloaded. That helped a bunch. Now if it just had some decent nuts. :( but for now it does pretty well. I'm also thinking of a 4th axis.. but before that happens.. I have to get it working again. Thanks for the suggestions. Glad I could help, Michael. -- 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) Dead? No excuse for laying off work. -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] HELP?! Problems with a Reinstall of EMC 2.3 No OpenGL for Axis?
At 09:35 PM 5/22/2010, you wrote: On Saturday 22 May 2010, Michael Jones wrote: In fact, I have found that even the nv driver makes the latency figures suck. Not nearly as bad as the nvidia drivers though. When I first built up my micromill, I was not able to get it to move more than 3 or 4 IPM without stalls, so on IRC one night someone suggested I try the nv driver, so I converted it back to use the nv driver. It was enough better that I could get it into the teens per minute before the stalls started. And I noticed the motors sounded a little more musical but the tones weren't really all that pure. Someone a few weeks later said I should try the vesa driver, which does limit the screen resolution a bit but its usable, and my 20 tpi X and Y tables can now run at 25 IPM, which quite pure sounding tones, no raggedness to them at all. The Z was another surprise, as I had excised the original 20 TPI screw that ran up the back of the post, in favor of a 10 tpi that by turning the gear head 90 degrees, allows clearance past it to grab the Z sled about 2 in front of the post where the bolt is anchored solidly and doesn't turn. With a 425 motor on the OEM lashup, the sled was bound on the post and incapable of running a bathroom scale past about 5 pounds before the 425 started cogging in place. Now, with the screw in front of the post, and the nuts that drive it sitting in bearings located above the post and inline with the bolt, a 17 tooth pulley on the 425, and a 42 tooth pulley turning the nuts, I can run it down on the bathroom scales to 155 lbs before the motor starts cogging. And I can, if nothing gets in the way, run the Z axis at 34 IPM if the post is relatively clean lubed with vactra. I can't find anything on this, but will the NV drivers actually load some form of OpenGL so axis will run or am I just spinning my wheels? I don't know as openGL runs with the vesa driver, and I'll let Alex confirm or deny that axis needs openGL. Whatever that answer is, its running the machine very well, on a 9 year old video card. Yes, the video could be better, but the machine runs great. I don't think I loaded the proprietary Nvidia Drivers last time (I can't be sure, it was a long time ago) and axis ran just fine. Recommendations? Try the vesa driver, its much kinder to the latency than anything else I have ever tried. Do we have any recommendations for a video card and driver that doesn't cause problems. I loaded a machine at work with Ubuntu 10.4 LTS. I had two ATI cards on hand, a Rage, and a very high end ATI that had it's own power plugin from the computer's power supply. I couldn't get either of them to work worth doo-doo using either the generic drivers or the so-called ATI something or other drivers. Screen had dropouts, color weirdness, would flicker occasionally and other oddness. Since neither board would work very well, I ended up with an Nvidia board. But with the report problems of Michael and Gene, what other options do we have? Mark -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] HELP?! Problems with a Reinstall of EMC 2.3 No OpenGL for Axis?
On Sunday 23 May 2010, Mark Wendt (Contractor) wrote: At 09:35 PM 5/22/2010, you wrote: On Saturday 22 May 2010, Michael Jones wrote: In fact, I have found that even the nv driver makes the latency figures suck. Not nearly as bad as the nvidia drivers though. When I first built up my micromill, I was not able to get it to move more than 3 or 4 IPM without stalls, so on IRC one night someone suggested I try the nv driver, so I converted it back to use the nv driver. It was enough better that I could get it into the teens per minute before the stalls started. And I noticed the motors sounded a little more musical but the tones weren't really all that pure. Someone a few weeks later said I should try the vesa driver, which does limit the screen resolution a bit but its usable, and my 20 tpi X and Y tables can now run at 25 IPM, which quite pure sounding tones, no raggedness to them at all. The Z was another surprise, as I had excised the original 20 TPI screw that ran up the back of the post, in favor of a 10 tpi that by turning the gear head 90 degrees, allows clearance past it to grab the Z sled about 2 in front of the post where the bolt is anchored solidly and doesn't turn. With a 425 motor on the OEM lashup, the sled was bound on the post and incapable of running a bathroom scale past about 5 pounds before the 425 started cogging in place. Now, with the screw in front of the post, and the nuts that drive it sitting in bearings located above the post and inline with the bolt, a 17 tooth pulley on the 425, and a 42 tooth pulley turning the nuts, I can run it down on the bathroom scales to 155 lbs before the motor starts cogging. And I can, if nothing gets in the way, run the Z axis at 34 IPM if the post is relatively clean lubed with vactra. I can't find anything on this, but will the NV drivers actually load some form of OpenGL so axis will run or am I just spinning my wheels? I don't know as openGL runs with the vesa driver, and I'll let Alex confirm or deny that axis needs openGL. Whatever that answer is, its running the machine very well, on a 9 year old video card. Yes, the video could be better, but the machine runs great. I don't think I loaded the proprietary Nvidia Drivers last time (I can't be sure, it was a long time ago) and axis ran just fine. Recommendations? Try the vesa driver, its much kinder to the latency than anything else I have ever tried. Do we have any recommendations for a video card and driver that doesn't cause problems. I loaded a machine at work with Ubuntu 10.4 LTS. I had two ATI cards on hand, a Rage, and a very high end ATI that had it's own power plugin from the computer's power supply. I couldn't get either of them to work worth doo-doo using either the generic drivers or the so-called ATI something or other drivers. Screen had dropouts, color weirdness, would flicker occasionally and other oddness. Since neither board would work very well, I ended up with an Nvidia board. But with the report problems of Michael and Gene, what other options do we have? Mark I believe I have an nvidia card in my machines driver box. Running the vesa driver. Another, lesser powered box I use for the sacrificial 'goat.coyote.den' machine, has an ATI 9200SE AGP card in it, and if I ever get around to motorizing the feed on my resawing bandsaw with it, I believe it will be fine with whatever drivers the 8.04 LTS install runs it with. That machine atm has 10.4 on it, but it doesn't have the iron to run 10.4 at all well. Its only a 1ghz athlon with 384 megs of ram, so its limits are pretty well demoed when they have been hit. It turns into a dog with only one good leg once it starts swapping. I have not tried to force that install into the vesa box, but it might help a small bit as vesa doesn't seem to use as much memory. --- --- ___ 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) Tis man's perdition to be safe, when for the truth he ought to die. -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] HELP?! Problems with a Reinstall of EMC 2.3 No OpenGL for Axis?
From what I have gathered 10.4 suffers from similar video problems that 9.10 did. One issue is that 9.10 and apparently also 10.4 oftentimes can't access the video screen correctly to determine the screens capabilities. If you use the Vesa driver and you know your screen resolution, you can force the Vesa driver to set the video which apparently gets rid of some of the screen flickering issues etc. Another user, and then I found that the D510 intel board with the onboard intel GMA3150 video had an issue with 9.10 so I wrote up a work around for the D510 board. If you are going to use the Vesa driver perhaps this would be some help. Go to this page... http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?EMC_Ubuntu91 And scroll down to the bottom where it says: *Note Relating to cannot load the i810 module error when first booting compiled Kernel:* The xorg.conf.failsafe file is setup to use the Vesa driver.. so this procedure just sets things up so the vesa driver is used and then describes how to set the config file so it is optimal for the monitor you have connected. This doesn't fix any Linux issue, it is really a work around. Dave On 5/23/2010 7:20 AM, Mark Wendt (Contractor) wrote: At 09:35 PM 5/22/2010, you wrote: On Saturday 22 May 2010, Michael Jones wrote: In fact, I have found that even the nv driver makes the latency figures suck. Not nearly as bad as the nvidia drivers though. When I first built up my micromill, I was not able to get it to move more than 3 or 4 IPM without stalls, so on IRC one night someone suggested I try the nv driver, so I converted it back to use the nv driver. It was enough better that I could get it into the teens per minute before the stalls started. And I noticed the motors sounded a little more musical but the tones weren't really all that pure. Someone a few weeks later said I should try the vesa driver, which does limit the screen resolution a bit but its usable, and my 20 tpi X and Y tables can now run at 25 IPM, which quite pure sounding tones, no raggedness to them at all. The Z was another surprise, as I had excised the original 20 TPI screw that ran up the back of the post, in favor of a 10 tpi that by turning the gear head 90 degrees, allows clearance past it to grab the Z sled about 2 in front of the post where the bolt is anchored solidly and doesn't turn. With a 425 motor on the OEM lashup, the sled was bound on the post and incapable of running a bathroom scale past about 5 pounds before the 425 started cogging in place. Now, with the screw in front of the post, and the nuts that drive it sitting in bearings located above the post and inline with the bolt, a 17 tooth pulley on the 425, and a 42 tooth pulley turning the nuts, I can run it down on the bathroom scales to 155 lbs before the motor starts cogging. And I can, if nothing gets in the way, run the Z axis at 34 IPM if the post is relatively clean lubed with vactra. I can't find anything on this, but will the NV drivers actually load some form of OpenGL so axis will run or am I just spinning my wheels? I don't know as openGL runs with the vesa driver, and I'll let Alex confirm or deny that axis needs openGL. Whatever that answer is, its running the machine very well, on a 9 year old video card. Yes, the video could be better, but the machine runs great. I don't think I loaded the proprietary Nvidia Drivers last time (I can't be sure, it was a long time ago) and axis ran just fine. Recommendations? Try the vesa driver, its much kinder to the latency than anything else I have ever tried. Do we have any recommendations for a video card and driver that doesn't cause problems. I loaded a machine at work with Ubuntu 10.4 LTS. I had two ATI cards on hand, a Rage, and a very high end ATI that had it's own power plugin from the computer's power supply. I couldn't get either of them to work worth doo-doo using either the generic drivers or the so-called ATI something or other drivers. Screen had dropouts, color weirdness, would flicker occasionally and other oddness. Since neither board would work very well, I ended up with an Nvidia board. But with the report problems of Michael and Gene, what other options do we have? Mark -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] HELP?! Problems with a Reinstall of EMC 2.3 No OpenGL for Axis?
I'd love to be able to do that.. but I've misplaced the original CD and the ISO that made it. I made a bad assumption and decided to toss the ISO since I could always download it form SOMEWHERE again later. On May 21, 2010, at 3:11 PM, Przemek Klosowski wrote: On Fri, May 21, 2010 at 2:50 PM, Michael Jones ma...@michaelandholly.com wrote: I'm currently having problems with a reinstall after switching some stuff around. I recently moved some hardware around in my shop. I decided I didn't need that nice LCD monitor on the CNC machine so I switched out a decent CRT monitor (Higher resolution etc). For some reason the system would no longer support any resolution higher than 800x600 (even though it had run as 1024x768 on the LCD). I am guessing that the CRT is of the older type and it doesn't report its available resolutions, unlike the LCD. I would reinstall the EMC version that worked best on your hardware, and then edit the X configuration file to explicitly specify the monitor parameters (horizontal and vertical frequency range), along the lines of Section Monitor IdentifierCM752ET HorizSync 31-101 VertRefresh60-160 EndSection and call out the desired display resolution in Section Screen Section Screen IdentifierDefault Screen MonitorCM752ET DefaultDepth16 SubSection Display Depth16 Modes 1280x1024 EndSubSection EndSection -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] HELP?! Problems with a Reinstall of EMC 2.3 No OpenGL for Axis?
On Saturday 22 May 2010, Michael Jones wrote: Thanks Jon, I may be able to figure out the part with the resolution.. even if I have to put up with lower resolution though, I need to get OpenGL working. I've heard that the NVIDIA drivers have some issues (causing latency ) with the realtime kernel and that the opensource NV drivers are recommended? In fact, I have found that even the nv driver makes the latency figures suck. Not nearly as bad as the nvidia drivers though. When I first built up my micromill, I was not able to get it to move more than 3 or 4 IPM without stalls, so on IRC one night someone suggested I try the nv driver, so I converted it back to use the nv driver. It was enough better that I could get it into the teens per minute before the stalls started. And I noticed the motors sounded a little more musical but the tones weren't really all that pure. Someone a few weeks later said I should try the vesa driver, which does limit the screen resolution a bit but its usable, and my 20 tpi X and Y tables can now run at 25 IPM, which quite pure sounding tones, no raggedness to them at all. The Z was another surprise, as I had excised the original 20 TPI screw that ran up the back of the post, in favor of a 10 tpi that by turning the gear head 90 degrees, allows clearance past it to grab the Z sled about 2 in front of the post where the bolt is anchored solidly and doesn't turn. With a 425 motor on the OEM lashup, the sled was bound on the post and incapable of running a bathroom scale past about 5 pounds before the 425 started cogging in place. Now, with the screw in front of the post, and the nuts that drive it sitting in bearings located above the post and inline with the bolt, a 17 tooth pulley on the 425, and a 42 tooth pulley turning the nuts, I can run it down on the bathroom scales to 155 lbs before the motor starts cogging. And I can, if nothing gets in the way, run the Z axis at 34 IPM if the post is relatively clean lubed with vactra. I can't find anything on this, but will the NV drivers actually load some form of OpenGL so axis will run or am I just spinning my wheels? I don't know as openGL runs with the vesa driver, and I'll let Alex confirm or deny that axis needs openGL. Whatever that answer is, its running the machine very well, on a 9 year old video card. Yes, the video could be better, but the machine runs great. I don't think I loaded the proprietary Nvidia Drivers last time (I can't be sure, it was a long time ago) and axis ran just fine. Recommendations? Try the vesa driver, its much kinder to the latency than anything else I have ever tried. Thanks, Michael On May 21, 2010, at 7:44 PM, Jon Elson wrote: Michael Jones wrote: I'm currently having problems with a reinstall after switching some stuff around. I recently moved some hardware around in my shop. I decided I didn't need that nice LCD monitor on the CNC machine so I switched out a decent CRT monitor (Higher resolution etc). For some reason the system would no longer support any resolution higher than 800x600 (even though it had run as 1024x768 on the LCD). Modern monitors have a digital communication between video card and monitor, so the computer can sense the capabilities of the monitor. If the computer can't get that info, it may restrict the video modes to those that couldn't possibly damage any monitor. It could be just the video cable doesn't have the necessary wires to pass that info, and a different cable would fix it. I have run into that problem myself. I tried installing compiling and installing NVIDIA video drivers which completely screwed things up.. I figured that I would just re-install the whole system from the new 2.3 ISO (after backing up my configurations and such). This was a bad move. My favored gui is Axis and unlike the 2.2. iso, the 2.3 iso did not install everything properly to run EMC with Axis on this system (OpenGL wouldn't work and I couldn't get it to support higher resolutions than 800x600). SO.. The saga continues.. I installed Ubuntu 8.04 distro, drivers etc got everything configured the way I wanted it.. (Including OpenGL) and then installed EMC 2.3.. as soon as the realtime kernel kicked in.. The NVIDIA drivers that support OpenGL would NOT work with the realtime Kernel, and NV would not support OpenGL (I'm not sure if this is normal or not). Yeah, the Nvidia driver thing is a major hassle. And, the drivers are specific to a particular kernel, every time you change kernel, you have to rebuild the driver for that kernel. Jon - - ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users --- ---
Re: [Emc-users] HELP?! Problems with a Reinstall of EMC 2.3 No OpenGL for Axis?
Michael Jones wrote: I may be able to figure out the part with the resolution.. even if I have to put up with lower resolution though, I need to get OpenGL working. I've heard that the NVIDIA drivers have some issues (causing latency ) with the realtime kernel and that the opensource NV drivers are recommended? I really don't know a lot about this, but generally do NOT use Nvidia graphics cards on EMC machines. I use either the i810 built-in graphics or one of the generic XVGA clone boards without high-end graphics accelerators. The high-end accelerators may use large DMA transfers to main memory that cause rt latency problems. The low-end graphics cards eat up a lot of CPU rendering the 3D view in software, but that is at least pre-emptable by rtai, so it doesn't interfere with the motion. That seems to be born out by what performance I get, and which machines get latency messages and which don't. Jon -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] HELP?! Problems with a Reinstall of EMC 2.3 No OpenGL for Axis?
Ok.. so here's the weird thing... I completely purged the NVIDIA proprietary drivers from the system, and now OpenGL loads with the NV driver? Some weird incompatibility going on I suppose. But now I noticed that I don't have any sound.. can't win for loosing... I guess I don't really NEED sound on this machine but it bothers me that it's not there. With the NV Driver I'm able to get smooth motion from 0 to around 50ipm (screws and bearingless screws) on my little rebuilt DM4s, but I'm wondering if things might be even a little cleaner with the vesa driver - I'll have to check that one out. This little machine needs some more work and upgrades (better backlash control.. needs to be refit with some bearings on the interface between the Screw and the axes) before it works the way I want it to, but for now it does pretty well. I'm also thinking of a 4th axis.. but before that happens.. I have to get it working again. Thanks for the suggestions. Michael On May 22, 2010, at 6:35 PM, Gene Heskett wrote: On Saturday 22 May 2010, Michael Jones wrote: Thanks Jon, I may be able to figure out the part with the resolution.. even if I have to put up with lower resolution though, I need to get OpenGL working. I've heard that the NVIDIA drivers have some issues (causing latency ) with the realtime kernel and that the opensource NV drivers are recommended? In fact, I have found that even the nv driver makes the latency figures suck. Not nearly as bad as the nvidia drivers though. When I first built up my micromill, I was not able to get it to move more than 3 or 4 IPM without stalls, so on IRC one night someone suggested I try the nv driver, so I converted it back to use the nv driver. It was enough better that I could get it into the teens per minute before the stalls started. And I noticed the motors sounded a little more musical but the tones weren't really all that pure. Someone a few weeks later said I should try the vesa driver, which does limit the screen resolution a bit but its usable, and my 20 tpi X and Y tables can now run at 25 IPM, which quite pure sounding tones, no raggedness to them at all. The Z was another surprise, as I had excised the original 20 TPI screw that ran up the back of the post, in favor of a 10 tpi that by turning the gear head 90 degrees, allows clearance past it to grab the Z sled about 2 in front of the post where the bolt is anchored solidly and doesn't turn. With a 425 motor on the OEM lashup, the sled was bound on the post and incapable of running a bathroom scale past about 5 pounds before the 425 started cogging in place. Now, with the screw in front of the post, and the nuts that drive it sitting in bearings located above the post and inline with the bolt, a 17 tooth pulley on the 425, and a 42 tooth pulley turning the nuts, I can run it down on the bathroom scales to 155 lbs before the motor starts cogging. And I can, if nothing gets in the way, run the Z axis at 34 IPM if the post is relatively clean lubed with vactra. I can't find anything on this, but will the NV drivers actually load some form of OpenGL so axis will run or am I just spinning my wheels? I don't know as openGL runs with the vesa driver, and I'll let Alex confirm or deny that axis needs openGL. Whatever that answer is, its running the machine very well, on a 9 year old video card. Yes, the video could be better, but the machine runs great. I don't think I loaded the proprietary Nvidia Drivers last time (I can't be sure, it was a long time ago) and axis ran just fine. Recommendations? Try the vesa driver, its much kinder to the latency than anything else I have ever tried. Thanks, Michael On May 21, 2010, at 7:44 PM, Jon Elson wrote: Michael Jones wrote: I'm currently having problems with a reinstall after switching some stuff around. I recently moved some hardware around in my shop. I decided I didn't need that nice LCD monitor on the CNC machine so I switched out a decent CRT monitor (Higher resolution etc). For some reason the system would no longer support any resolution higher than 800x600 (even though it had run as 1024x768 on the LCD). Modern monitors have a digital communication between video card and monitor, so the computer can sense the capabilities of the monitor. If the computer can't get that info, it may restrict the video modes to those that couldn't possibly damage any monitor. It could be just the video cable doesn't have the necessary wires to pass that info, and a different cable would fix it. I have run into that problem myself. I tried installing compiling and installing NVIDIA video drivers which completely screwed things up.. I figured that I would just re-install the whole system from the new 2.3 ISO (after backing up my configurations and such). This was a bad move. My
