Various drop frame problems 2004-05-28 - By Eric Lampi
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Hi Bernard,
I have experienced the similar problems recently. I
asked the list about this, and there weren't many
suggestions on how to fix it.
It seemed that we had less errors when they were
rendered after hours. It is a gigbit ethernet, but
the models were large and the textures were 5k+, the
frames were rendered in 2k res. At any given time
there were 400-800 passes in the queue, for a 60 node
renderfarm. We didn't encounter your various
incorrect frames, they were pretty much all 1k timed
out frames. Is it possible that you have different
configurations on your machines? We had all of the
machines configured at the same time, so there's very
little difference between the install, and the
hardware is identical.
I wish I had a better solution for you, hopefully
somone who knows is paying attention. I know how you
feel. The only way I was able to work around it is to
flipbook everything, and check each pass in batchserve
when they're finished and periodically while they're
going, and resubmit the errors. I know, it's a
serious pain in the ass, I would spend at least an
hour doing this every morning.
Eric
--- Bernard Lebel <atyss4si@(protected)> wrote:
> Hello,
>
> I'd like to know from the Batchserve users on this
> list if they have lots of
> drop frames in their rendered sequences, and what
> steps they have taken to
> overcome them. Of course, switching to another
> render manager at this point
> is not an option.
>
> Over here we have tons of them. They seem to be
> COMPLETELY RANDOM, as they
> affect different machines (but rarely twice the
> same) on some frames and not
> other frames, and so on. It's the point where I
> suspect a problem more with
> Batchserve rather than mental ray, XSI. Batchserve
> doesn't log any error
> though, so it's very hard to pinpoint what's going
> in. I suspect vaguely
> that it's pretty all related to the same problem
> (something to do with
> refreshing?), but now it's still a vague
> speculation.
>
> Typical drop-frames include:
>
> - Incidence shader not rendering on some objects;
> - Occlusion pass with Dirtmap giving white images;
> - Frames rendered completely black (alpha channel
> even black);
> - Objects disappearing;
> - Frames of only 1k;
> - Frames not rendered at all;
>
> And I won't even mention hair problems.
>
>
>
> Thanks for any help
> Bernard
> ---
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=====
Freelance 3-D Animator, F/X Artist
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