Maniphest T76573

Make links with Multires leading to crash
Closed, ResolvedBUG
Actions

Assigned To
Sergey Sharybin (sergey)
Authored By
Bohdan Lvov (ostapblender)
May 9 2020, 1:02 AM
Tags
  • BF Blender
Subscribers
Ankit Meel (ankitm)
Bohdan Lvov (ostapblender)
Campbell Barton (campbellbarton)
Sergey Sharybin (sergey)

Description

System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce GTX 970/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 445.87

Blender Version
Broken: version: 2.90 (sub 0), branch: master, commit date: 2020-05-08 16:22, hash: rB6f985574b775
Worked: version: 2.83 (sub 15), branch: master, commit date: 2020-05-01 21:42, hash: rBbba11c68c404

Short description of error
Blender crashes after the attempt to make links with Multires modifier for the second time. As seen from the video. for the first time it just subdividing the model without copying deformation and on the second attempt crash happens: https://www.youtube.com/watch?v=mT21L5ktAG4&feature=youtu.be
Exact steps for others to reproduce the error

  1. Open default scene
  2. Copy The Cube
  3. Enter Sculpting Mode of the Cube.001 and press CTRL+3 (optionally - make a stroke just to tell the difference)
  4. Select Cube, then Cube.001, press CTRL+L - Modifiers
  5. Repeat 4th step.

Revisions and Commits

rB Blender
rB04d15f162546 Fix T76573: Make links with Multires leading to crash

Related Objects

Mentioned Here
rB904249b4f3e5: Doxygen: Fix warnings in Doxyfile

Event Timeline

Bohdan Lvov (ostapblender) created this task.May 9 2020, 1:02 AM
Ankit Meel (ankitm) added a subscriber: Ankit Meel (ankitm).May 9 2020, 10:42 AM

Select Cube, then Cube.001, press CTRL+L - Modifiers

which mode is this done in ? I cannot get a crash if I do this in object mode.
rB904249b4f3e5d68f882a583707042eea1d68eb4d

Ankit Meel (ankitm) changed the task status from Needs Triage to Needs Information from User.May 9 2020, 11:40 AM
Bohdan Lvov (ostapblender) added a comment.May 9 2020, 3:38 PM
In T76573#927557, @Ankit Meel (ankitm) wrote:

Select Cube, then Cube.001, press CTRL+L - Modifiers

which mode is this done in ? I cannot get a crash if I do this in object mode.
rB904249b4f3e5d68f882a583707042eea1d68eb4d

Yes, in Object Mode. Please refer to the video for make sequence more clear: https://www.youtube.com/watch?v=mT21L5ktAG4&feature=youtu.be

Campbell Barton (campbellbarton) changed the task status from Needs Information from User to Confirmed.EditedMay 18 2020, 9:32 AM
Campbell Barton (campbellbarton) changed the subtype of this task from "Report" to "Bug".
Campbell Barton (campbellbarton) added a subscriber: Campbell Barton (campbellbarton).

Just linking the mulit-res data twice crashes.

@Sergey Sharybin (sergey), looks like this is an issue in recent multi-res reshaping, possible a case where it should early-exit.

Campbell Barton (campbellbarton) added a subscriber: Sergey Sharybin (sergey).May 18 2020, 9:39 AM
Sergey Sharybin (sergey) closed this task as Resolved by committing rB04d15f162546: Fix T76573: Make links with Multires leading to crash.May 18 2020, 10:49 AM
Sergey Sharybin (sergey) claimed this task.
Sergey Sharybin (sergey) added a commit: rB04d15f162546: Fix T76573: Make links with Multires leading to crash.