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On 5/14/21 5:27 PM, William F Pokorny wrote:
> On 5/14/21 3:59 PM, Bald Eagle wrote:
>>
>> Just went through povr installation with jr.
>> Got the biscuit render, so looked good.
>>
>> Went into qtpovray38 distribution directory to test a .pov file.
>>
>> bald@Alienware ~/povray38/scenes/objects $ povr blob.pov
>> /home/povray/povray-3.8.0-x.povr_b0bcf6c0/bin/povr: 5:
>> /home/povray/povray-3.8.0-x.povr_b0bcf6c0/bin/povr: Cannot fork
>>
>> bald@Alienware ~/povray38/scenes/objects $ povr chess.pov
>> /home/povray/povray-3.8.0-x.povr_b0bcf6c0/bin/povr: 5:
>> /home/povray/povray-3.8.0-x.povr_b0bcf6c0/bin/povr: Cannot fork
>>
>> Any ideas?
>>
> Just guesses.
>
> The 'cannot fork' stuff usually happens when a unix/linux system has run
> out of resources to start another process. Lack of memory/swap space,
> /tmp, /var - maybe. There are sometimes limits on the number of
> processes in place, but this in my experience is not all that common.
>
> For starters you could try running the 'df' command and look at disk
> usage. The command 'free -m' can be useful too.
>
> Somewhere you posted about your machine... Let me try and find that and
> I'll post back here if I see anything obvious.
>
Machine stats you posted look good.
---
Had a few other thoughts meanwhile.
- What was your entire command line with flags & ini ?
- If just say the blob scene you can probably point to a normal povray
v3.7/v3.8 install and see if you get the same problem.
- You could run the povray command directly. One executable would be in
the unix directory below where you issued make:
<theMakeDir>/unix/povray blob.pov
- You could copy the blob.pov scene to where you ran the biscuit scene
and try and run it there.
- You could try (a) to cut the resources required by using the '+wt1'
and '-d' flags. I guess in that vein you could just run 'povr --help'
while in the 'problem' directory.
- You could try and start another process than some form of POV-Ray -
say gimp - from within the povr script when you are seeing the error.
- While in the directory with blob.pov, if you run 'ls -l blob.pov' does
it show the read bits set on the left. Something with 'r's like:
'-rw-rw-r--'
... Yeah, guessing. It's been many years since I've seen that error.
Bill P.
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