@Alaska can you share more complicated scenes that reproduce the issue?
@GZGavinZhao can you make sure RCOM 6 runtime is loaded in Blender. I don't know about the Linux but on Windows, the dll names are different for pre RCOM6 and RCOM 6 ([amdhip64.dll vs. amdhip64_6.…
I meant the next release of HIP-RT SDK and I expect that to happen before the next release of Blender.
This has to do with our AS spatial splitting. Hopefully, we'll have a fix by the next release. A workaround for now could be disabling spatial split (but I don't really recommend it). The other…
I cannot reproduce this issue on my local version (Blender 4.2 Alpha commit a75dc2ef43a) I am on a newer version of HIP-RT though. I will submit the latest changes by mid to end of April.
The driver will continue to support both ROCm 6 and pre ROCm 6 for a while and Cycles functionality will not break with driver updates.
The fix for this is in our latest HIP-RT SDK. I can open a pull request with updated API and changes that make Cycles compatible with HIP-RT version 2.2. Here is the [change list](https://projects.…