#7457·lmms

Carla crashes when load Surge XT

Author: 901D3Created Aug 16, 2024Updated Sep 17, 2026
Labelsbugwindowsmaster branch
### System Information Windows 10 Pro 22H2 19045.4651 ### LMMS Version(s) 1.3.0-alpha.1.681+gbda1a9c37 ### Most Recent Working Version 1.3.0-alpha.1.681+gbda1a9c37 ### Bug Summary Carla Patchbay or Rack crashes when load Surge XT VST3 while load other VST3 still normal https://github.com/user-attachments/assets/58108b64-e105-44a4-8ac3-5ba8bf80fd09 ### Expected Behaviour Carla should load it normally with no problem ### Steps To Reproduce Load Surge XT(synthersizer) VST3 to Carla Rack or Patchbay ### Logs Click to expand

[carla] Trying to start carla-plugin using "D:/Carla/resources\carla-plugin.exe"
Carla 2.5.8 started, status:
  Python version: 3.8.7
  Qt version:     5.12.12
  PyQt version:   5.13.1
  Binary dir:     D:\Carla
  Resources dir:  D:\Carla\resources
Frontend pixel ratio is 1.0
[carla] WriteFileWin32 failed, error was: 232
CarlaPipeCommon::_writeMsgBuffer(..., 13) - failed with -1 (true), message was:
runtime-info
[carla] Carla assertion failure: "fUiServer.writeMessage("runtime-info\n")" in file CarlaEngineNative.cpp, line 1440
[carla] WriteFileWin32 failed, error was: 232
### Screenshots / Minimum Reproducible Project _No response_ ### Please search the issue tracker for existing bug reports before submitting your own. - [X] I have searched all existing issues and confirmed that this is not a duplicate.