Crashes when running exported game in the MicroK8s Kubernetes environment

[nongvantinh]

Tested versions

• Reproducible in Godot Engine v4.3.stable.mono.official (77dcf97)
• Reproducible in Godot Engine v4.4.beta2.mono.official (a013481)

System information

Ubuntu 24.04 docker image

Issue description

When exporting my server to run in a Kubernetes environment, it crashes for various reasons depending on the version of Godot I am using.

For Godot 4.3 Mono, I get this error when importing project using my Ubuntu 24.04 development machine:

ubuntu@ubuntu:~/GodotProjects/azheir$ /home/ubuntu/GodotProjects/azheir/misc/dependencies/godot_executable/Godot_v4.3-stable_mono_linux_x86_64/Godot_v4.3-stable_mono_linux.x86_64 . --headless -e --import
Godot Engine v4.3.stable.mono.official.77dcf97d8 - https://godotengine.org


================================================================
handle_crash: Program crashed with signal 11
Engine version: Godot Engine v4.3.stable.mono.official (77dcf97d82cbfe4e4615475fa52ca03da645dbd8)
Dumping the backtrace. Please include this when reporting the bug to the project developer.
[1] /usr/lib/dotnet/shared/Microsoft.NETCore.App/8.0.12/libcoreclr.so(+0x6068bc) [0x7318f20068bc] (??:0)
[2] /usr/lib/dotnet/shared/Microsoft.NETCore.App/8.0.12/libcoreclr.so(+0x605ef5) [0x7318f2005ef5] (??:0)
[3] /lib/x86_64-linux-gnu/libc.so.6(+0x45320) [0x731900a45320] (??:0)
[4] /home/ubuntu/GodotProjects/azheir/misc/dependencies/godot_executable/Godot_v4.3-stable_mono_linux_x86_64/Godot_v4.3-stable_mono_linux.x86_64() [0x5330f1] (??:0)
[5] /home/ubuntu/GodotProjects/azheir/misc/dependencies/godot_executable/Godot_v4.3-stable_mono_linux_x86_64/Godot_v4.3-stable_mono_linux.x86_64() [0x4207bd] (??:0)
[6] /lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x731900a2a1ca] (??:0)
[7] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x731900a2a28b] (??:0)
[8] /home/ubuntu/GodotProjects/azheir/misc/dependencies/godot_executable/Godot_v4.3-stable_mono_linux_x86_64/Godot_v4.3-stable_mono_linux.x86_64() [0x43e4da] (??:0)
-- END OF BACKTRACE --
================================================================
Aborted (core dumped)

I had to compile the engine from dev-7. However, when running the app I got this error:

ubuntu@ubuntu:~/GodotProjects/azheir$ kubectl logs azheir-game-server-2b66g-zrf8b azheir-game-server -f
Godot Engine v4.4.dev-7.mono.custom_build.fb23c96d6 - https://godotengine.org

WARNING: A Thread object is being destroyed without its completion having been realized.
Please call wait_to_finish() on it to ensure correct cleanup.
     at: ~Thread (core/os/thread.cpp:105)

================================================================
handle_crash: Program crashed with signal 11
Engine version: Godot Engine v4.4.dev-7.mono.custom_build (fb23c96d6ea39d0b75d619620d0d4aa7bcbc392e)
Dumping the backtrace. Please include this when reporting the bug to the project developer.
ERROR: FATAL: Index p_index = 1 is out of bounds (size() = 0).
   at: get (./core/templates/cowdata.h:219)

For Godot 4.4 beta 2 Mono, I get this error when running the app:

ubuntu@ubuntu:~/GodotProjects/azheir$ kubectl logs azheir-game-server-hqhcx-xgh9v azheir-game-server -f
Godot Engine v4.4.beta2.mono.official.a013481b0 - https://godotengine.org

ERROR: BUG: Unreferenced static string to 0: servers
   at: unref (core/string/string_name.cpp:142)
WARNING: A Thread object is being destroyed without its completion having been realized.
Please call wait_to_finish() on it to ensure correct cleanup.
     at: ~Thread (core/os/thread.cpp:105)
ERROR: 7 RID allocations of type '23NavMeshGeometryParser2D' were leaked at exit.
ERROR: 6 RID allocations of type '23NavMeshGeometryParser3D' were leaked at exit.
ERROR: Pages in use exist at exit in PagedAllocator: N7Variant5Pools11BucketLargeE
   at: ~PagedAllocator (./core/templates/paged_allocator.h:170)
ERROR: Pages in use exist at exit in PagedAllocator: N7Variant5Pools12BucketMediumE
   at: ~PagedAllocator (./core/templates/paged_allocator.h:170)
ERROR: Pages in use exist at exit in PagedAllocator: N7Variant5Pools11BucketSmallE
   at: ~PagedAllocator (./core/templates/paged_allocator.h:170)
ERROR: BUG: Unreferenced static string to 0: current_animation_changed
   at: unref (core/string/string_name.cpp:142)
ERROR: BUG: Unreferenced static string to 0: autoshrink_changed
   at: unref (core/string/string_name.cpp:142)
ERROR: BUG: Unreferenced static string to 0: interface_added
   at: unref (core/string/string_name.cpp:144)
ERROR: BUG: Unreferenced static string to 0: size_changed
   at: unref (core/string/string_name.cpp:144)
ERROR: Caller thread can't call this function in this node (/root). Use call_deferred() or call_thread_group() instead.
   at: propagate_notification (scene/main/node.cpp:2523)

================================================================
handle_crash: Program crashed with signal 11
Engine version: Godot Engine v4.4.beta2.mono.official (a013481b0911e59cc3f3dea7ebb732450c3e1460)
Dumping the backtrace. Please include this when reporting the bug to the project developer.
ERROR: FATAL: Index p_index = 1 is out of bounds (size() = 0).
   at: get (./core/templates/cowdata.h:219)

I’m not sure why there is this discrepancy, but when I run the Docker image directly, no crash occurs.

ubuntu@ubuntu:~/GodotProjects/azheir$ docker run -d --name azheir-runtime-container azheir-runtime:latest
904665f698394550ced5b4712981b09e9e40d89896f6727b9040256b20965527

ubuntu@ubuntu:~/GodotProjects/azheir$ docker logs azheir-runtime-container -f
Godot Engine v4.4.beta2.mono.official.a013481b0 - https://godotengine.org

^Ccontext canceled
ubuntu@ubuntu:~/GodotProjects/azheir$ 

If you need any information, please leave a comment or any suggestion to debug it. Please let me know!

Steps to reproduce

I simply export my app and run it in the MicroK8s environment. The game server must be created using the Fleet resource from Agones.

Here is the full agones-game-server.yaml file:

apiVersion: agones.dev/v1
kind: Fleet
metadata:
  name: azheir-game-server
spec:
  replicas: 2
  template:
    spec:
      ports:
        - name: default
          portPolicy: Dynamic
          containerPort: 7654
      template:
        spec:
          containers:
            - name: azheir-game-server
              image: "{{ .Values.gameserver.image }}"
              resources:
                requests:
                  memory: 64Mi
                  cpu: 20m
                limits:
                  memory: 64Mi
                  cpu: 20m
---

### Minimal reproduction project (MRP)

An empty Godot project will produce this error in the MicroK8s Kubernetes environment.

[nongvantinh]

I have created an empty project and export, then deploy it to Kubernetes and the same error happen.

ubuntu@ubuntu:~/GodotProjects/azheir$ docker run -d --name azheir-runtime-container localhost:32000/azheir-runtime:latest
d4f398219c27082cd09c3550fa6ad318d094f853529ff98f52a07607d0c36bba
ubuntu@ubuntu:~/GodotProjects/azheir$ docker logs azheir-runtime-container -f
Godot Engine v4.4.beta2.mono.official.a013481b0 - https://godotengine.org

Hello world
^Ccontext canceled
ubuntu@ubuntu:~/GodotProjects/azheir$ docker rm -f azheir-runtime-container 
azheir-runtime-container
ubuntu@ubuntu:~/GodotProjects/azheir$ python3 misc/deploy.py --install
NAME: azheir
LAST DEPLOYED: Tue Feb  4 18:43:32 2025
NAMESPACE: default
STATUS: deployed
REVISION: 1
TEST SUITE: None
ubuntu@ubuntu:~/GodotProjects/azheir$ kubectl get pods
NAME                                               READY   STATUS              RESTARTS   AGE
azheir-cassandra-0                                 1/1     Running             0          7s
azheir-elasticsearch-0                             1/1     Running             0          7s
azheir-game-server-x27sq-8t4bp                     0/2     ContainerCreating   0          6s
azheir-game-server-x27sq-h6v5p                     0/2     ContainerCreating   0          6s
azheir-janusgraph-7f84d455cd-dvjjm                 1/1     Running             0          7s
azheir-matchmaker-director-8d5fbb467-72dld         1/1     Running             0          7s
azheir-matchmaker-evaluator-766567d57f-cfjtp       1/1     Running             0          7s
azheir-matchmaker-gamefrontend-66d9995b89-l2vjw    1/1     Running             0          7s
azheir-matchmaker-matchfunction-68fb8b5cd9-8x7fg   1/1     Running             0          7s
signalr-redis-sentinel-node-0                      2/2     Running             0          13m
signalr-redis-sentinel-node-1                      2/2     Running             0          13m
signalr-redis-sentinel-node-2                      2/2     Running             0          13m
ubuntu@ubuntu:~/GodotProjects/azheir$ kubectl logs -f azheir-game-server-x27sq-8t4bp azheir-game-server
Godot Engine v4.4.beta2.mono.official.a013481b0 - https://godotengine.org

Hello world
ERROR: BUG: Unreferenced static string to 0: servers
   at: unref (core/string/string_name.cpp:142)
ERROR: BUG: Unreferenced static string to 0: _enter_world
   at: unref (core/string/string_name.cpp:142)
WARNING: A Thread object is being destroyed without its completion having been realized.
Please call wait_to_finish() on it to ensure correct cleanup.
     at: ~Thread (core/os/thread.cpp:105)
ERROR: 7 RID allocations of type '23NavMeshGeometryParser2D' were leaked at exit.
ERROR: 6 RID allocations of type '23NavMeshGeometryParser3D' were leaked at exit.
ERROR: Pages in use exist at exit in PagedAllocator: N7Variant5Pools11BucketLargeE
   at: ~PagedAllocator (./core/templates/paged_allocator.h:170)
ERROR: Pages in use exist at exit in PagedAllocator: N7Variant5Pools12BucketMediumE
   at: ~PagedAllocator (./core/templates/paged_allocator.h:170)
ERROR: Pages in use exist at exit in PagedAllocator: N7Variant5Pools11BucketSmallE
   at: ~PagedAllocator (./core/templates/paged_allocator.h:170)
ERROR: BUG: Unreferenced static string to 0: current_animation_changed
   at: unref (core/string/string_name.cpp:142)
ERROR: Caller thread can't call this function in this node (/root). Use call_deferred() or call_thread_group() instead.
   at: propagate_notification (scene/main/node.cpp:2523)

================================================================
handle_crash: Program crashed with signal 11
Engine version: Godot Engine v4.4.beta2.mono.official (a013481b0911e59cc3f3dea7ebb732450c3e1460)
Dumping the backtrace. Please include this when reporting the bug to the project developer.
ERROR: BUG: Unreferenced static string to 0: autoshrink_changed
   at: unref (core/string/string_name.cpp:142)
ERROR: BUG: Unreferenced static string to 0: interface_added
   at: unref (core/string/string_name.cpp:144)
ERROR: BUG: Unreferenced static string to 0: size_changed
   at: unref (core/string/string_name.cpp:144)
ERROR: BUG: Unreferenced static string to 0: SceneReplicationInterface
   at: unref (core/string/string_name.cpp:144)
ERROR: FATAL: Index p_index = 1 is out of bounds (size() = 0).
   at: get (./core/templates/cowdata.h:219)