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OpenSCAD hangs when 3D view is touched on OS Windows

Posted by keewhip 
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keewhip
OpenSCAD hangs when 3D view is touched on OS Windows
August 19, 2011 04:22AM
Openscad 2011.06 and 2011.04 both freeze on my computer OS windows Vista when I try to move the 3D view of the rendered object.
It doesn't matter if this is a very simple or very complex object.

I found out this only happens when Outlook 2007 is running.

I am now installing Outlook 2010 to see if this solves the problem.

I found out more people had this problem so hope this helps.
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nophead
Re: OpenSCAD hangs when 3D view is touched on OS Windows
August 19, 2011 10:38AM
I get this problem on WinXP, but only when python is running my machines, or Skeinforge. I don't use outlook.

[www.hydraraptor.blogspot.com]
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Greg Frost
Re: OpenSCAD hangs when 3D view is touched on OS Windows
August 19, 2011 05:33PM
I found that you can un-hang it by locking the screen and then unlocking it again. It must be some kind of window manager wierdness.
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nophead
Re: OpenSCAD hangs when 3D view is touched on OS Windows
August 20, 2011 01:05AM
Yes, I have looked at the source code that handles mouse clicks and can't see how it does what it does. If I drag the mouse with either button down, after I have unlocked it with cltr-alt-del, the window pans by twice the distance moved and there is no way to rotate.

Very occasionally, when I use cltr-alt-del to unlock it it will blue screen my machine, which is a disaster when running my machines. As Windows should not allow a single process to lock up all mouse and keyboard input it must be a bug in Windows, or a driver. The odd thing is it only seems to happen in openscad.

[www.hydraraptor.blogspot.com]
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xnaron
Re: OpenSCAD hangs when 3D view is touched on OS Windows
November 24, 2011 02:08PM
I have the same issue with openscad and windows 7 64bit...it doesn't make a difference whether I am running outlook or not. I hope they fix this as it is annoying. I need to reboot to fix it...then eventually it will happen again.
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keewhip
Re: OpenSCAD hangs when 3D view is touched on OS Windows
November 24, 2011 02:18PM
Installing Outlook 2010 solved the problem for me.

If you are sure this fault gets triggered just try closing a quarter of your processes with task manager and see if it still happens. Yes => reboot and close another quarter of your processes, No => reboot and close half of the quarter you closed, etcetera.
This way I found out it was only happening when Outlook 2007 was running.
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nophead
Re: OpenSCAD hangs when 3D view is touched on OS Windows
November 24, 2011 06:01PM
Quote

I hope they fix this as it is annoying.

The authors are not Windows users so I don't think it will be fixed any time soon. I have looked at the source code and cannot see any reason for it. It might be a bug in QT. There are so many dependencies I gave up on trying to build it and debug it. I bought a new laptop and use it purely for openscad rendering. I edit on my main PC and share the files.

[www.hydraraptor.blogspot.com]
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donbright
Re: OpenSCAD hangs when 3D view is touched on OS Windows
December 26, 2011 06:04PM
i have XP SP2 on an old Dell 32 bit P4 and have not been able to replicate this bug.
if i had access to a windows machine where it was replicatable i could try to look at it.

there might be a possibility of doing some kind of 'workaround' if it is due to bugs in windows.

-DB
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bubba
Re: OpenSCAD hangs when 3D view is touched on OS Windows
January 12, 2012 09:07AM
I am running XP SP2 and have the freezing problem. Sometimes it will work after a reboot and most of the time it will not work after a reboot. I have OutLook 2007 and still have the problem. I have found no consistant way of making it work. It just works sometimes.

A more descriptive discription of the problem is that Windows stops responding to mourse input. The display is still being updated. I can have Task Manager up, start openScad, just mouse click the openScad rending window, all applications stop responding to the mouse, and I can see in Task Manager that CPU utilization goes up to about 13% and stays there.

Bubba
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nophead
Re: OpenSCAD hangs when 3D view is touched on OS Windows
January 12, 2012 10:02AM
I get the same on WINXP but not just the mouse, keyboard input as well.

The only time I see it lock up is either if I have my reprap machines running, which means I have an I/O intensive Python console app running, or I slice in Skeinforge, which is a CPU intensive Python app.

My guess is it a race condition and CPU usage affects whether it happens or not. Maybe a deadlock on some resource that affects the windows message queue. It must actually be a Windows or driver bug because an app should not be able to lock all the I/O no matter what it does. Odd it only occurs with OpenScad but I don't know if any of the other apps I use are QT based.

[www.hydraraptor.blogspot.com]
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rhmorrison
Re: OpenSCAD hangs when 3D view is touched on OS Windows
January 12, 2012 10:10AM
I had this problem to on my Windows XP system.
My new Windows 7, 64 bit, 8 core system does not have this problem.

Bob Morrison
Wörth am Rhein, Germany
"Luke, use the source!"
BLOG - PHOTOS - Thingiverse
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Bubba
Re: OpenSCAD hangs when 3D view is touched on OS Windows
January 26, 2012 12:09PM
I have found a way to make openscad work every time on my laptop. Here is a bit more info to add to my eariler post. When I boot my laptop when it is out of the docking station, openscad will work every time and continue working if I then dock the laptop. I know everybody’s situation is a little bit different, so your millage may vary.

Bubba
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SuperSonicFlea
Re: OpenSCAD hangs when 3D view is touched on OS Windows
February 19, 2012 05:25PM
Hi Guys,

If your having problems with Python Applications on Win 7 64bit, try uninstalling Python and installing a 32Bit version. I have found this Sorts out the problems your experiencing. I had this exact problem on my PC at work. and I had a Problem with Replicator-G at home. Changing to 32Bit Python 2.7.2 has sorted all my problems out. I don't see any need to 64 bit python at the moment.

Python 2.7.2 x86 windows installer - Download Link

Cheers,
SuperSonicFlea
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Mike111
Re: OpenSCAD hangs when 3D view is touched on OS Windows
February 27, 2012 03:24AM
Same problem here.
Occasionally got report the Microsoft Intellipoint had crashed.
Uninstalled Microsoft Intellipoiint and now Openscad works FINE.
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nophead
Re: OpenSCAD hangs when 3D view is touched on OS Windows
February 27, 2012 06:08PM
I don't think I have that installed. I do have an Intellimouse but I can't find anything called Intellipoint. Was it something you installed?

[www.hydraraptor.blogspot.com]
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Mike111
Re: OpenSCAD hangs when 3D view is touched on OS Windows
February 28, 2012 02:07AM
I think I did install it some time ago for some unrelated issue -- can't remember now.
If you still have lockups and are on a laptop I did previously find that unpluging/pluging the power cord or a USB device could bring responsiveness back -- but that is obviously a dreadful work around.
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Mike111
Re: OpenSCAD hangs when 3D view is touched on OS Windows
February 28, 2012 02:10AM
PS
Intellipoint is here:
[support.microsoft.com]
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Merrick
Re: OpenSCAD hangs when 3D view is touched on OS Windows
May 13, 2012 03:42PM
I'm having the same issue. Openscad is the only program I have up. The problem occurs reguardless of whether I'm using a usb mouse or my mouse pad (without the usb mouse plugged in).

A related article that may help:
[brazenartifice.wordpress.com]
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ApeMan
Re: OpenSCAD hangs when 3D view is touched on OS Windows
May 28, 2012 03:35AM
Thank you SuperSonicFlea. Installing the latest version of python (3.3.0) and then rebooting worked for me (to restart other running python programs)
This problem was happening everytime I ran openscad up until now. Now it works great. Thanks again.
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nophead
Re: OpenSCAD hangs when 3D view is touched on OS Windows
May 28, 2012 03:45AM
Python 3 is a quite different language (for example print changes from a statement to a function) and I don't think it is backwards compatible, so I am surprised any python programs still work.

[www.hydraraptor.blogspot.com]
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Michael
Re: OpenSCAD hangs when 3D view is touched on OS Windows
July 26, 2012 03:16AM
This is fixed, see this (8 posts from end). Ignore the app crash, hasn't happended again.

Note the exe needs to go into Program Files to work properly.
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anoymous
Re: OpenSCAD hangs when 3D view is touched on OS Windows
September 11, 2012 02:01AM
An updated Development Snapshot of the Windows installer, with the patch included, is available at the main openscad webpage, [www.openscad.org]
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myearwood
Re: OpenSCAD hangs when 3D view is touched on OS Windows
September 18, 2012 06:04PM
That Development Snapshot solved the problem for me! smiling smiley
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