Autodesk / Autodesk/arnold-usd
Sampling primvars is causing a crash when multiple threads are used to sync primitives
Open
bug
crash
render delegate
- Dominant language
- Python
- Stars
- 284
- Forks
- 68
- Avg merge
- 2d 19h
- Merged PRs (30d)
- 14
Description
**Describe the bug**
During investigating #72 we found a crash when sampling primvars (point positions). This seemed to happen randomly, and setting PXR_WORK_THREAD_LIMIT to 1 fixed the issue.
**To Reproduce**
Steps to reproduce the behavior:
1. Load the point instance med city repeteadly
2. Observe a crash happening a 2-3 times out of 10.
**Used Software Versions**
- Arnold: 6.0.2.0
- USD: 0.19.11
- OS: Windows 10
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Assessment
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