William F Pokorny <ano### [at] anonymousorg> wrote:

> > 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.




> - What was your entire command line with flags & ini ?

Er, for what?


bald@Alienware ~/povray38/scenes/objects $ povray bezier.pov
povray: cannot open the user configuration file
/home/bald/.povray/3.8/povray.conf: No such file or directory
Persistence of Vision(tm) Ray Tracer Version 3.8.0-alpha.10064268.unofficial
 (g++ -std=gnu++11 5.4.0 @ x86_64-pc-linux-gnu)
This is an unofficial version compiled by:
 BaldEagle <cre### [at] netscapenet>
 The POV-Ray Team is not responsible for supporting this version.
<snip....>
----------------------------------------------------------------------------
Parser Time
  Parse Time:       0 hours  0 minutes  0 seconds (0.087 seconds)
              using 1 thread(s) with 0.012 CPU-seconds total
  Bounding Time:    0 hours  0 minutes  0 seconds (0.000 seconds)
              using 1 thread(s) with 0.000 CPU-seconds total
Cannot create render state output file.
Cannot create render state output file.
Render failed



> - You could copy the blob.pov scene to where you ran the biscuit scene
> and try and run it there.

The biscuit scene automatically rendered as part of the install process.

> - You could try (a) to cut the resources required by using the '+wt1'

> - 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--'

bald@Alienware ~/povray38/scenes/objects $ ls -a -l
total 288
drwxr-xr-x  4 root root   4096 Jun 21  2020 .
drwxr-xr-x 20 root root   4096 Jun 21  2020 ..
-rw-r--r--  1 root root   1463 Jun 21  2020 bezier.pov
-rw-r--r--  1 root root    955 Jun 21  2020 blob1a.pov
-rw-r--r--  1 root root   1246 Jun 21  2020 blob1b.pov
-rw-r--r--  1 root root   1077 Jun 21  2020 blob1c.pov
-rw-r--r--  1 root root   1023 Jun 21  2020 blob.pov
-rw-r--r--  1 root root   1105 Jun 21  2020 chesmsh.pov
-rw-r--r--  1 root root 115136 Jun 21  2020 chess.inc
drwxr-xr-x  2 root root   4096 Jun 21  2020 csg
-rw-r--r--  1 root root   1522 Jun 21  2020 fractal1.pov
-rw-r--r--  1 root root   2349 Jun 21  2020 fractal2.pov
-rw-r--r--  1 root root   1405 Jun 21  2020 fractal3.pov
-rw-r--r--  1 root root   1277 Jun 21  2020 fractal4.pov
-rw-r--r--  1 root root   5082 Jun 21  2020 isosurfaces.pov
-rw-r--r--  1 root root   1499 Jun 21  2020 lathe1a.pov
-rw-r--r--  1 root root   1518 Jun 21  2020 lathe1b.pov
-rw-r--r--  1 root root   1555 Jun 21  2020 lathe1c.pov
-rw-r--r--  1 root root   3198 Jun 21  2020 lathe2.pov
-rw-r--r--  1 root root   5357 Jun 21  2020 mesh2.pov
-rw-r--r--  1 root root   1257 Jun 21  2020 polygon.pov
-rw-r--r--  1 root root   4104 Jun 21  2020 primitiv.pov
-rw-r--r--  1 root root   5344 Jun 21  2020 prism1.pov
-rw-r--r--  1 root root   5388 Jun 21  2020 prism2.pov
-rw-r--r--  1 root root   1354 Jun 21  2020 prism3a.pov
-rw-r--r--  1 root root   1810 Jun 21  2020 prism3b.pov
-rw-r--r--  1 root root   1597 Jun 21  2020 prism3c.pov
-rw-r--r--  1 root root    571 Jun 21  2020 prism3.inc
drwxr-xr-x  2 root root   4096 Jun 21  2020 quartic
-rw-r--r--  1 root root   3561 Jun 21  2020 sor1.pov
-rw-r--r--  1 root root   2617 Jun 21  2020 superel1.pov
-rw-r--r--  1 root root   2629 Jun 21  2020 superel2.pov
-rw-r--r--  1 root root   4247 Jun 21  2020 superel3.pov
-rw-r--r--  1 root root   4963 Jun 21  2020 torus1.pov
-rw-r--r--  1 root root   1759 Jun 21  2020 torus2.pov
-rw-r--r--  1 root root   1342 Jun 21  2020 ttf1.pov
-rw-r--r--  1 root root   1821 Jun 21  2020 wtorus.pov

I have qtpovray running on this machine, and it works just fine - rendering a
scene file.  But not THOSE scene files.   Couldn't make the state file.

Just did chown -R bald:bald povray38 on that whole parent directory, and
qtpovray renders those, but povr now gives me --- no output whatsoever.

bald@Alienware ~/povray38/scenes/objects $ povr blob.pov
bald@Alienware ~/povray38/scenes/objects $

no new image file in that directory after silent command

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