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Hair particles disappear forever from viewport when its name is clicked at the list of particle systems.
Closed, ResolvedPublic

Description

System Information
Operating system: Linux-4.15.0-51-generic-x86_64-with-debian-buster-sid 64 Bits
Graphics card: GeForce GTX 1070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 390.116

Blender Version
Broken: version: 2.80 (sub 74), branch: blender2.7, commit date: 2019-06-14 23:24, hash: rB0fd96b4128ff
Worked: 2404220e80a9

Short description of error
Hair particles disappear forever from viewport when its name is clicked at the list of particle systems. Still visible with F12 render tho.
If edited (combing for example) hair remains in viewport.

Exact steps for others to reproduce the error

  1. Start new file, factory settings.
  2. Add particle system to default cube, set it to hair.
  3. Click its name at the list.

On the side
I work on a complex hairy character and it was all ok with 2404220e80a9, but now it crashes Blender every time I second pick a particle system from the list (or drag through to set visibility or renderability). Unfortunately I can't easily reproduce this but I hope this info helps if those issues are somehow connected.