**System Information**
Operating system: Linux-5.15.11-1-MANJARO-x86_64-with-glibc2.33 64 Bits
Graphics card: Mesa DRI Intel HD Graphics 4600
**Blender Version**
Broken: Blender 3.1.0 Alpha (build on 17:31 dec 27)
**Short description of error**
**Exact steps for others to reproduce the error**
1) Open attached file
2) Add into stack of modificators one subdiv and click to Advanced then happen UI freeze.
then is only one variant - kill app
{F12778252}