[Sidefx-houdini-list] seg fault on SLICE 1 on a distributed simulation if you have a gasresizefluid

Robert Kelly isstuff at gmail.com
Tue Nov 23 13:58:14 EST 2010


Support informed me that gas re-size needs to before this is going to
work. Also parent fluid doesn't work on gasses.


On 23 November 2010 10:03, Sean Lewkiw <Sean.Lewkiw at cis-vancouver.com> wrote:
> Hm, I got radically different results distributing sims of fire vs non-distributed.  Maybe for slowing moving fluids you can get away with it, but for my tests the results of distributed sims were just wrong.  No problems of course with up-rez sims.
>
> Sean
>
>
>
> -----Original Message-----
> From: sidefx-houdini-list-bounces at sidefx.com [mailto:sidefx-houdini-list-bounces at sidefx.com] On Behalf Of Robert Kelly
> Sent: Friday, November 19, 2010 4:30 PM
> To: sidefx-houdini-list at sidefx.com
> Subject: Re: [Sidefx-houdini-list] seg fault on SLICE 1 on a distributed simulation if you have a gasresizefluid
>
> it has been submitted as a bug and hopefully squashed sooner rather
> than later. Distributed simulation can be used for low res or upres
> its just that some artifactting can show up when used in the base
> simulation depending on your simulation.
>
> On 19 November 2010 14:22, Sean Lewkiw <Sean.Lewkiw at cis-vancouver.com> wrote:
>> Is this a distributed sim or an up-rez sim?  My understanding is that distributing sims isn't reliable, especially with fast-moving gasses.  The distribution system was designed for up-rez sims.  However, I guess it still shouldn't crash.
>>
>> Sean
>>
>>
>>
>> -----Original Message-----
>> From: sidefx-houdini-list-bounces at sidefx.com [mailto:sidefx-houdini-list-bounces at sidefx.com] On Behalf Of Robert Kelly
>> Sent: Thursday, November 18, 2010 4:39 PM
>> To: sidefx houdini list
>> Subject: [Sidefx-houdini-list] seg fault on SLICE 1 on a distributed simulation if you have a gasresizefluid
>>
>> Is anyone dealing with distributed simulation and can offer some advice?
>>
>> I have a simple simulation that works in a distributed simulation and
>> i have a complex simulation that fails. I have isolated the failure to
>> a segmentation fault on only SLICE 1 after the other frames have
>> finished there slices and the transfer of the overlapping gas . As
>> soon as i remove the gasresizefluid, the more complex gas sim works.
>> Then i added a gasresizefluid to the simple simulation and it
>> segfaulted in the exact same way as the complex simulation.
>>
>> Sounds like a bug that i cant get around.... has anyone else experienced this?
>>
>> Robert Kelly.
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