Re: [Chromium-users] crPackAppendBuffer: overflowed the destination!

[Brian P. <bri...@tu...>]

Wes Bethel wrote:
> 
> While working on bringing the sort-first distributed memory 
> OpenRM+Chromium demos up to date, I ran into a snag. While running the 
> parallel isosurfacing demo, I received three instances of this error 
> message:
> CR Warning(wahtahh:4103): crPackAppendBuffer: overflowed the destination!
> CR Warning(wahtahh:4103): crPackAppendBuffer: overflowed the destination!
> CR Warning(wahtahh:4103): crPackAppendBuffer: overflowed the destination!
> p0_4103:  p4_error: interrupt SIGSEGV: 11
> 
> After the third one, the parallel program wedged.
> 
> Poking around a bit, I see the MTU size in the conf file I was using is 
> set to 1MB. I upped it to 8MB and the error went away.
> 
> The parallel isosurface processes, which use OpenRM for scene graph 
> storage, are generating a bunch of triangles in each process. Then 
> OpenRM starts blasting triangles out through the SPU chain. It looks a 
> buffer was blown somewhere, resulting in catastrophic failure.
> 
> I'm using the CR 1.7 stock release and RH 9.

Wes, if you can tell me how to reproduce this with OpenRM I'll look 
into it.

-Brian