ID 444901 - A crash occurs when viewing a DeepMerge with DeepFromImage inputs.

Problem summary
A crash occurs when viewing a DeepMerge with DeepFromImage inputs.

Customer reported version

Nuke Indie 12.2v1

Customer reported platform
centos7

Steps to reproduce

1) In Nuke, create 2 Checkerboard nodes.

2) Create 2 DeepFromImage nodes, attached to both Checkerboards.

3) Select the DeepFromImage nodes, then create a DeepMerge node.

3) View the DeepMerge node and observe performance.

Expected behavior
The Viewer should populate with the correct data and remain stable.

Actual behavior
Nuke crashes when viewing the DeepMerge node with connected DeepFromImage inputs.

Workaround
Enabling the 'specify z' knob in either DeepFromImage node before viewing the DeepMerge works without issue.

Reproduced by Support in

Nuke 12.2v1 - Windows 10, macOS 10.13.6

Nuke 12.1v1 - Windows 10

Nuke 12.0v1 - Windows 10, macOS 10.13.6

Unable to reproduce bug in:
Nuke 11.3v6 - Windows 10, macOS 10.13.6

Earliest version tested
Nuke 11.3v6 - This issue doesn't appear in this version and has regressed