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Windows 10 machine locks up while generating supports #142

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hmbusch opened this issue Feb 19, 2017 · 4 comments
Closed

Windows 10 machine locks up while generating supports #142

hmbusch opened this issue Feb 19, 2017 · 4 comments

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@hmbusch
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hmbusch commented Feb 19, 2017

Version

Version 1.33.6-prusa3d-win64

Operating system type + version

Windows 10 Home Edition, 64 bit, current patchlevel

Behavior

  1. I load the STL file from http://www.thingiverse.com/thing:1930525 (attached) and increase the number of copies to 3 total. I leave orientation and placement of the models as is.

  2. I configure the support settings as shown in the screenshot.

  3. As I have background processing disabled, I click on the "Slice now" button.

  4. CPU usage rises to 100% (as is to be expected). A short while after the progress bar hits the "Generating support" phase, the whole computer locks up. The images freezes, the mouse cannot be moved, the Task Manager cannot be opened. I had to reset my machine.

  5. The same settings with version 1.31.6-prusa3d-win64 result in a completed calculation and G-Code generation

STL/Config (.ZIP) where problem occurs

support-settings

Prusa_IGES_Drylin_adaptor.zip

Slic3r_config_bundle.zip

@bubnikv
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bubnikv commented Feb 19, 2017

I have never seen something like this. It allocated 30GB of RAM on my computer, then the screen started to flicker :-)

bubnikv added a commit that referenced this issue Feb 19, 2017
@bubnikv
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bubnikv commented Feb 19, 2017

Thanks, it is an infinite loop due to numerical rounding effects.
Fixed in #142

@bubnikv bubnikv closed this as completed Feb 19, 2017
@hmbusch
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hmbusch commented Feb 19, 2017

Well that was fast. Thank you!

@bubnikv
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bubnikv commented Feb 19, 2017

Yeah, it is a new code, there are dragons. I am trying to stabilize Slic3r for the final release to our customers. So I am thankful to you for the bug report.

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