Houdini 15 on Linux: Lots of expression stack errors in random places

[konstantin magnus]

I just set up a new computer, my first time running Linux (i.e. Mint). After installing Houdini 15 production build (licensed Apprentice first, later I also enabled Indie) even simple scenes produce lots of random errors. They appear while setting up nodes and before trying to render.

 

For example when I set up a new camera, its parameters "Aperture" and "Near Clipping" are tinted green and show "0". I was able to fix that by deleting channels. However after setting up a Mantra node, a Box node and some environment light, the renderer does not start and errors:

 

"Unable to evaluate expression (Expression stack error (/obj/ropnet1/mantra1/vm-cacheratio))."

 

Never had such a weird behaviour. Help is very much appreciated!

show_details.txt

error.hiplc

Edited November 11, 2015 by konstantin magnus

[symek]

It seem you have localization turned on in your desktop environment..., like use German currency instead of default English, which means your application will use ' , ' instead of ' . ' for example, that is Houdini might be using 1,25 in any default expression, instead of 1.25. Price for using automagical Qt I suppose . You should change localization to English and delete Houdini directory at $HOME.

 

I think it can be considered as a bug, but I haven't submitted it yet.

 

hth,

ssk. 

[konstantin magnus]

works! (after reboot). thanks alot!

guess, i have to buy a US keyboard now ; ) this really should be reported.

 

are there any other things on linux i have to change after installation to make houdini perform well?

Edited November 12, 2015 by konstantin magnus

[Erik_JE]

Locale and keyboard layout can be separate.

 

We use Swedish keyboard without problems