sure, I never got past further than this stuck at 0% whereas Arnold and your preview render rendered fine. it is just a default create smoke preset from the menuMr.Core wrote: Is there any error in the history when you tried to render with mray ?
// INFO : [EFX][VDB][Node:FieldIO][WriteVDB]: Updating D:\projects\<snipped>\xsi\efx_cache\smoke_created2\light_mscatt_b00362.vdb
// ERROR : PHEN 0.10 17 MB error: [EFX]:[ERROR]IoError: could not get size of file D:\projects\<snipped>\xsi\efx_cache\smoke_created2\velx00362.vdb
<and Y and Z of vel>
// WARNING : PHEN 0.8 17 MB warn 052009: running out of stack space, breaking shader call recursion.
// WARNING : PHEN 0.9 19 MB warn 052009: running out of stack space, breaking shader call recursion.
// WARNING : PHEN 0.11 20 MB warn 052009: running out of stack space, breaking shader call recursion.
// WARNING : PHEN 0.10 20 MB warn 052009: running out of stack space, breaking shader call recursion.
// WARNING : PHEN 0.12 20 MB warn 052009: running out of stack space, breaking shader call recursion.
// WARNING : PHEN 0.5 20 MB warn 052009: running out of stack space, breaking shader call recursion.
then xsi hangs heavy / freezes gives option to restart. bah Mental Ray!
l I circumnavigated with emfluid5s ability to load a vdb file into a grid and use Holgers BAFluid shader to render it with. equivelent speeds to Arnold also but not as fast as your preview render