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Rendering hair crashes the software everytime :(
Closed, ArchivedPublic

Description

System Information
Windows 7 Ultimate
Service Pack 1
Processor: Intel(R) Core(TM)
RAM: 4.00 GB (2.99 GB usable)
32-bit operating system

Blender Version
Blender 2.72

Short description of error
Everytime I try rendering this model, the system just crashes and forces me to close the program, it's very annoying and I think it's because of the hair particles, please help because i really really really really want this model. the file is attached, if you can render it for me and send me the file that would be awesome too.

Event Timeline

The reason the crashed most likely is that your computer is too slow

Aaron Carlisle (Blendify) changed the task status from Unknown Status to Archived.Feb 19 2015, 9:40 PM
Aaron Carlisle (Blendify) claimed this task.
Julian Eisel (Severin) changed the task status from Archived to Unknown Status.Feb 19 2015, 9:43 PM

@Aaron Carlisle (Blendify), that was a bit too fast, this needs to be investigated first.

sorry but closed it for these reasons

.5 gigabytes needed to open the .blend
2.5 to render

so... that would take up all the ram on that computer

Sergey Sharybin (sergey) lowered the priority of this task from 90 to 30.Feb 19 2015, 10:39 PM

@Aaron Carlisle (Blendify), it is a really bad idea to make a decisions about what needs an investigation and what is not in areas you don't actually maintain. You're very welcome to give help n reports on reproducing the issue, asking for more info is needed and so. I'm also fine if more users are doing triage of reports to "need more info" and so. But please, don't close reports and let actual maintainers to make a decision about if it's not a bug, todo or whatever else. Your original explanation "computer is too slow" is not helpful for the reporter as well.

@Gamila Essam (GamilaEssam), this file requires about 2.2Gig RAN when rendering from the interface, and about 1.9Gig when rendering from the command line. So make sure you've got enough free RAM. You can also use swap file to increase memory capacity. It'll be slower but at least will allow you to render.

So, if increasing swap help, then don't think there's something to fix. If blender still crashes with even huge swap space there's something we need to investigate deeper.

Also, try reducing number of hair and see if it makes file to render. At this point it's important to understand if there's something wrong is happening in blender or it's just a hardware limitation.

P.S. Please test 273a which is latest stable release, also please test latest builds from builder.blender.org.

@Aaron Carlisle (Blendify) thank you so much for rendering the thing for me!

@Julian Eisel (Severin) thank you for reopening the task for I needed to fix this, for future rendering processes

@Sergey Sharybin (sergey) Thank you so much for the amazing answer, I'll surely try increasing swap and reducing the hair, fingers crossed it would work, I'll let you know when I get it done :) Thank you

@Sergey Sharybin (sergey) So, I tried reducing the number from 5000 to 500 , it's too few but I just wanted to see, and it actually worked! it's not looking good at all haha but now I know it's not the software, thank you!!!!

Sergey Sharybin (sergey) changed the task status from Unknown Status to Unknown Status.Feb 20 2015, 4:25 PM
Sergey Sharybin (sergey) claimed this task.

Ok, that's good to know. It's also possible memory usage spike happens. They might be a problem on windows, because AFAIR it might give up allocating more than 3gig of ram even though on 32bit linux 4gig is not really a problem. Those spikes i'm currently investigating and solving.

In any case, indeed seems not to be software bug. Thanks for the report anyway!