Search Issue Tracker
Fixed in 2019.3
Votes
0
Found in
2018.3.0a1
2018.4.0f1
2019.1.0a1
2019.1.6f1
2019.2.0a1
2019.3.0a1
Issue ID
1162577
Regression
Yes
Asset importer crashes when importing a shader and Unity freezes if you try to reimport it
Steps to reproduce:
1. Open the project attached by QA;
2. Reimport the shader.
Expected: Editor does not freeze, the shader is successfully reimported.
Actual: After opening a project, a message is thrown to the Console:
A default asset was created for 'Assets/testshader2.shader' because the asset importer crashed on it last time.
After trying to reimport the shader, Unity freezes.
Reproduced in: 2018.3.0a1, 2018.4.3f1, 2019.1.9f1, 2019.2.0b7, 2019.3.0a7
Not reproduced in: 2017.4.29f1*
Notes: User reports crashing, but during the testing, it did not emerge.
*Import fails with "Assertion failed: Shader Compiler Socket Exception: Terminating shader compiler process, 0 retries left"
"Assertion failed: Shader compiler: internal error compiling shader snippet type=1 platform=4: Protocol error - failed to read correct magic number"
After some time
Add comment
All about bugs
View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.
Latest issues
- Build Pipeline functions cause a re-execution of the last Async task when called in an Async function
- ApiUpdater may leave orphan usings when only type qualified references were present in the source
- [GPU PLM] Indirect bounce is missing in some instances
- Profiler data does not automatically refresh when loaded from a file
- SBP Support for Mip Stripping
Resolution Note (fix version 2019.3):
Shader compiler connection simply times out here as the shader takes very long time to compile. Removing the [unroll] directives makes the shader to compile ok in a couple of seconds. However, if this level of compilation complexity is absolutely needed, one can manually override the timeout limit via an environment variable named UNITY_SHADER_COMPILER_TASK_TIMEOUT_MINUTES
We will be improving the error messaging on compiler timeouts.