DynamicVRAM / VBAR allocation failed on RTX 5060 Laptop GPU

### Custom Node Testing

- [ ] I have tried disabling custom nodes and the issue persists (see [how to disable custom nodes](https://docs.comfy.org/troubleshooting/custom-node-issues#step-1%3A-test-with-all-custom-nodes-disabled) if you need help)

### Expected Behavior

The workflow should run normally and generate an image without errors.

### Actual Behavior

The workflow fails with "MemoryError: VBAR allocation failed" when DynamicVRAM is enabled.

The log also reports "Could not reseve Virtual Address space for VBAR".

Adding --disable-dynamic-vram makes the exact same workflow run successfully without any other changes.

### Steps to Reproduce

1. Run ComfyUI Desktop on Windows 11 with an NVIDIA RTX 5060 Laptop GPU.
2. Load the same workflow and Anima model.
3. Run the workflow with DynamicVRAM enabled.
4. The generation fails with "MemoryError: VBAR allocation failed".
5. Restart ComfyUI with --disable-dynamic-vram.
6. Run the exact same workflow again.
7. The workflow completes successfully.

### Debug Logs

```powershell
节点在执行过程中发生错误。

# ComfyUI Error Report
## Error Details
- **Node ID:** 7
- **Node Type:** CLIPTextEncode
- **Exception Type:** MemoryError
- **Exception Message:** MemoryError: VBAR allocation failed

## Stack Trace

File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\execution.py", line 545, in execute
output_data, output_ui, has_subgraph, has_pending_tasks = await get_output_data(prompt_id, unique_id, obj, input_data_all, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb, v3_data=v3_data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\execution.py", line 344, in get_output_data
return_values = await _async_map_node_over_list(prompt_id, unique_id, obj, input_data_all, obj.FUNCTION, allow_interrupt=True, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb, v3_data=v3_data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\execution.py", line 318, in _async_map_node_over_list
await process_inputs(input_dict, i)

File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\execution.py", line 306, in process_inputs
result = f(**inputs)

File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\nodes.py", line 77, in encode
return (clip.encode_from_tokens_scheduled(tokens), )
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^

File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\sd.py", line 342, in encode_from_tokens_scheduled
pooled_dict = self.encode_from_tokens(tokens, return_pooled=return_pooled, return_dict=True)

File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\sd.py", line 406, in encode_from_tokens
self.load_model(tokens)
~~~~~~~~~~~~~~~^^^^^^^^

File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\sd.py", line 464, in load_model
model_management.load_models_gpu([self.patcher], memory_required=memory_used)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_management.py", line 1020, in load_models_gpu
loaded_model.model_load(lowvram_model_memory, force_patch_weights=force_patch_weights)
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_management.py", line 806, in model_load
self.model_use_more_vram(use_more_vram, force_patch_weights=force_patch_weights)
~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_management.py", line 834, in model_use_more_vram
return self.model.partially_load(self.device, extra_memory, force_patch_weights=force_patch_weights)
~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_patcher.py", line 2153, in partially_load
raise e

File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_patcher.py", line 2150, in partially_load
self.load(device_to, dirty=dirty)
~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^

File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_patcher.py", line 1873, in load
vbar = self._vbar_get(create=True)

File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_patcher.py", line 1805, in _vbar_get
vbar = comfy_aimdo.model_vbar.ModelVBAR(self.model_size() * 10, self.load_device.index)

File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\.venv\Lib\site-packages\comfy_aimdo\model_vbar.py", line 54, in __init__
raise MemoryError("VBAR allocation failed")

## System Information
- **ComfyUI Version:** 0.35.0
- **Arguments:** ComfyUI\main.py --feature-flag show_signin_button=true --feature-flag enable_telemetry=true --enable-manager --extra-model-paths-config C:\Users\Celeste\AppData\Roaming\Comfy Desktop\instance-model-paths\inst-1788427606198.yaml --input-directory D:\Comfy-Desktop\ComfyUI-Shared\input --output-directory D:\Comfy-Desktop\ComfyUI-Shared\output
- **OS:** win32
- **Python Version:** 3.13.12 (main, Feb 12 2026, 00:38:53) [MSC v.1944 64 bit (AMD64)]
- **Embedded Python:** false
- **PyTorch Version:** 2.13.0+cu130
## Devices

- **Name:** cuda:0 NVIDIA GeForce RTX 5060 Laptop GPU : cudaMallocAsync
- **Type:** cuda
- **VRAM Total:** 8546484224
- **VRAM Free:** 7385120768
- **Torch VRAM Total:** 0
- **Torch VRAM Free:** 0

## Logs

2026-09-10T13:21:54.278586 - [INFO] setup plugin alembic.autogenerate.schemas
2026-09-10T13:21:54.278670 - [INFO] setup plugin alembic.autogenerate.tables
2026-09-10T13:21:54.278704 - [INFO] setup plugin alembic.autogenerate.types
2026-09-10T13:21:54.278738 - [INFO] setup plugin alembic.autogenerate.constraints
2026-09-10T13:21:54.278767 - [INFO] setup plugin alembic.autogenerate.defaults
2026-09-10T13:21:54.278792 - [INFO] setup plugin alembic.autogenerate.comments
2026-09-10T13:21:54.712625 - [WARNING] On windows we are currently forcing single GPU mode in ComfyUI due to a Nvidia related issue, if you want to disable this use: --cuda-device all
2026-09-10T13:21:55.529433 - [INFO] Adding extra search path checkpoints D:\Comfy-Desktop\ComfyUI-Shared\models\checkpoints
2026-09-10T13:21:55.529833 - [INFO] Adding extra search path classifiers D:\Comfy-Desktop\ComfyUI-Shared\models\classifiers
2026-09-10T13:21:55.529998 - [INFO] Adding extra search path clip_vision D:\Comfy-Desktop\ComfyUI-Shared\models\clip_vision
2026-09-10T13:21:55.530127 - [INFO] Adding extra search path configs D:\Comfy-Desktop\ComfyUI-Shared\models\configs
2026-09-10T13:21:55.530252 - [INFO] Adding extra search path controlnet D:\Comfy-Desktop\ComfyUI-Shared\models\controlnet
2026-09-10T13:21:55.530366 - [INFO] Adding extra search path controlnet D:\Comfy-Desktop\ComfyUI-Shared\models\t2i_adapter
2026-09-10T13:21:55.530475 - [INFO] Adding extra search path diffusers D:\Comfy-Desktop\ComfyUI-Shared\models\diffusers
2026-09-10T13:21:55.530583 - [INFO] Adding extra search path diffusion_models D:\Comfy-Desktop\ComfyUI-Shared\models\diffusion_models
2026-09-10T13:21:55.530692 - [INFO] Adding extra search path embeddings D:\Comfy-Desktop\ComfyUI-Shared\models\embeddings
2026-09-10T13:21:55.530799 - [INFO] Adding extra search path gligen D:\Comfy-Desktop\ComfyUI-Shared\models\gligen
2026-09-10T13:21:55.530908 - [INFO] Adding extra search path hypernetworks D:\Comfy-Desktop\ComfyUI-Shared\models\hypernetworks
2026-09-10T13:21:55.531014 - [INFO] Adding extra search path latent_upscale_models D:\Comfy-Desktop\ComfyUI-Shared\models\latent_upscale_models
2026-09-10T13:21:55.531121 - [INFO] Adding extra search path loras D:\Comfy-Desktop\ComfyUI-Shared\models\loras
2026-09-10T13:21:55.531227 - [INFO] Adding extra search path model_patches D:\Comfy-Desktop\ComfyUI-Shared\models\model_patches
2026-09-10T13:21:55.531332 - [INFO] Adding extra search path audio_encoders D:\Comfy-Desktop\ComfyUI-Shared\models\audio_encoders
2026-09-10T13:21:55.531527 - [INFO] Adding extra search path photomaker D:\Comfy-Desktop\ComfyUI-Shared\models\photomaker
2026-09-10T13:21:55.531646 - [INFO] Adding extra search path style_models D:\Comfy-Desktop\ComfyUI-Shared\models\style_models
2026-09-10T13:21:55.531751 - [INFO] Adding extra search path text_encoders D:\Comfy-Desktop\ComfyUI-Shared\models\text_encoders
2026-09-10T13:21:55.531856 - [INFO] Adding extra search path upscale_models D:\Comfy-Desktop\ComfyUI-Shared\models\upscale_models
2026-09-10T13:21:55.531966 - [INFO] Adding extra search path background_removal D:\Comfy-Desktop\ComfyUI-Shared\models\background_removal
2026-09-10T13:21:55.532086 - [INFO] Adding extra search path frame_interpolation D:\Comfy-Desktop\ComfyUI-Shared\models\frame_interpolation
2026-09-10T13:21:55.532194 - [INFO] Adding extra search path geometry_estimation D:\Comfy-Desktop\ComfyUI-Shared\models\geometry_estimation
2026-09-10T13:21:55.532301 - [INFO] Adding extra search path optical_flow D:\Comfy-Desktop\ComfyUI-Shared\models\optical_flow
2026-09-10T13:21:55.532406 - [INFO] Adding extra search path detection D:\Comfy-Desktop\ComfyUI-Shared\models\detection
2026-09-10T13:21:55.532514 - [INFO] Adding extra search path vae D:\Comfy-Desktop\ComfyUI-Shared\models\vae
2026-09-10T13:21:55.532621 - [INFO] Adding extra search path vae_approx D:\Comfy-Desktop\ComfyUI-Shared\models\vae_approx
2026-09-10T13:21:55.532732 - [INFO] Adding extra search path onnx D:\Comfy-Desktop\ComfyUI-Shared\models\onnx
2026-09-10T13:21:55.532840 - [INFO] Adding extra search path sams D:\Comfy-Desktop\ComfyUI-Shared\models\sams
2026-09-10T13:21:55.533280 - [INFO] Adding extra search path ultralytics D:\Comfy-Desktop\ComfyUI-Shared\models\ultralytics
2026-09-10T13:21:55.533447 - [INFO] Adding extra search path clip D:\Comfy-Desktop\ComfyUI-Shared\models\clip
2026-09-10T13:21:55.533566 - [INFO] Adding extra search path unet D:\Comfy-Desktop\ComfyUI-Shared\models\unet
2026-09-10T13:21:55.533722 - [INFO] Setting output directory to: D:\Comfy-Desktop\ComfyUI-Shared\output
2026-09-10T13:21:55.533918 - [INFO] Setting input directory to: D:\Comfy-Desktop\ComfyUI-Shared\input
2026-09-10T13:21:57.156903 - [START] Security scan2026-09-10T13:21:57.156912 -
2026-09-10T13:21:58.614263 - [DONE] Security scan2026-09-10T13:21:58.614274 -
2026-09-10T13:21:58.616191 - ** ComfyUI startup time:2026-09-10T13:21:58.616227 - 2026-09-10T13:21:58.616242 - 2026-09-10 13:21:58.6162026-09-10T13:21:58.616256 -
2026-09-10T13:21:58.616270 - ** Platform:2026-09-10T13:21:58.616280 - 2026-09-10T13:21:58.616296 - Windows2026-09-10T13:21:58.616306 -
2026-09-10T13:21:58.616319 - ** Python version:2026-09-10T13:21:58.616330 - 2026-09-10T13:21:58.616340 - 3.13.12 (main, Feb 12 2026, 00:38:53) [MSC v.1944 64 bit (AMD64)]2026-09-10T13:21:58.616351 -
2026-09-10T13:21:58.616363 - ** Python executable:2026-09-10T13:21:58.616373 - 2026-09-10T13:21:58.616384 - D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\.venv\Scripts\python.exe2026-09-10T13:21:58.616394 -
2026-09-10T13:21:58.616408 - ** ComfyUI Path:2026-09-10T13:21:58.616418 - 2026-09-10T13:21:58.616428 - D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI2026-09-10T13:21:58.616438 -
2026-09-10T13:21:58.616449 - ** ComfyUI Base Folder Path:2026-09-10T13:21:58.616459 - 2026-09-10T13:21:58.616470 - D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI2026-09-10T13:21:58.616480 -
2026-09-10T13:21:58.616492 - ** User directory:2026-09-10T13:21:58.616517 - 2026-09-10T13:21:58.616527 - D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\user2026-09-10T13:21:58.616538 -
2026-09-10T13:21:58.616549 - ** ComfyUI-Manager config path:2026-09-10T13:21:58.616560 - 2026-09-10T13:21:58.616912 - D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\user\__manager\config.ini2026-09-10T13:21:58.616959 -
2026-09-10T13:21:58.616982 - ** Log path:2026-09-10T13:21:58.616992 - 2026-09-10T13:21:58.617000 - D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\user\comfyui.log2026-09-10T13:21:58.617008 -
2026-09-10T13:21:58.617048 - [ComfyUI-Manager] WARN: Unsafe - SSL verification bypass option is Enabled. (see D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\user\__manager\config.ini)2026-09-10T13:21:58.617057 -
2026-09-10T13:21:59.319835 - [INFO] [PRE] ComfyUI-Manager
2026-09-10T13:22:13.503976 - [INFO] Found comfy_kitchen backend cuda: {'available': True, 'disabled': False, 'unavailable_reason': None, 'capabilities': ['adaln', 'apply_rope', 'apply_rope1', 'apply_rope1_', 'apply_rope_', 'apply_rope_split_half', 'apply_rope_split_half1', 'apply_rope_split_half1_', 'apply_rope_split_half_', 'convrot_w4a4_linear', 'dequantize_convrot_w4a4_weight', 'dequantize_int8_convrot_weight', 'dequantize_int8_convrot_weight_dtype', 'dequantize_int8_simple', 'dequantize_int8_simple_dtype', 'dequantize_nvfp4', 'dequantize_per_tensor_fp8', 'dequantize_w4a8_int8_weight', 'gemv_awq_w4a16', 'int8_linear', 'na3d', 'prepare_int4_weight_for_int8_linear', 'quantize_and_rotate_rowwise', 'quantize_convrot_w4a4_weight', 'quantize_int8_convrot_weight', 'quantize_int8_rowwise', 'quantize_int8_tensorwise', 'quantize_mxfp8', 'quantize_nvfp4', 'quantize_per_tensor_fp8', 'quantize_svdquant_w4a4', 'quantize_w4a8_int8_weight', 'rms_adaln', 'rms_rope', 'rms_rope1', 'rms_rope1_', 'rms_rope_', 'rms_rope_split_half', 'rms_rope_split_half1', 'rms_rope_split_half1_', 'rms_rope_split_half_', 'rotate_int8_convrot_weight', 'scaled_mm_nvfp4', 'scaled_mm_svdquant_w4a4', 'sol_attn', 'stochastic_rounding_fp8', 'w4a8_int8_linear']}
2026-09-10T13:22:13.504066 - [INFO] Found comfy_kitchen backend eager: {'available': True, 'disabled': False, 'unavailable_reason': None, 'capabilities': ['adaln', 'apply_rope', 'apply_rope1', 'apply_rope1_', 'apply_rope_', 'apply_rope_split_half', 'apply_rope_split_half1', 'apply_rope_split_half1_', 'apply_rope_split_half_', 'convrot_w4a4_linear', 'dequantize_convrot_w4a4_weight', 'dequantize_int8_convrot_weight', 'dequantize_int8_convrot_weight_dtype', 'dequantize_int8_embedding', 'dequantize_int8_simple', 'dequantize_int8_simple_dtype', 'dequantize_mxfp8', 'dequantize_nvfp4', 'dequantize_per_tensor_fp8', 'dequantize_w4a8_int8_weight', 'gemv_awq_w4a16', 'int8_linear', 'na3d', 'prepare_int4_weight_for_int8_linear', 'quantize_and_rotate_rowwise', 'quantize_convrot_w4a4_weight', 'quantize_int8_convrot_weight', 'quantize_int8_rowwise', 'quantize_int8_tensorwise', 'quantize_mxfp8', 'quantize_nvfp4', 'quantize_per_tensor_fp8', 'quantize_svdquant_w4a4', 'quantize_w4a8_int8_weight', 'rms_adaln', 'rms_rope', 'rms_rope1', 'rms_rope1_', 'rms_rope_', 'rms_rope_split_half', 'rms_rope_split_half1', 'rms_rope_split_half1_', 'rms_rope_split_half_', 'rotate_int8_convrot_weight', 'scaled_mm_mxfp8', 'scaled_mm_nvfp4', 'scaled_mm_svdquant_w4a4', 'sol_attn', 'stochastic_rounding_fp8', 'w4a8_int8_linear']}
2026-09-10T13:22:13.504101 - [INFO] Found comfy_kitchen backend triton: {'available': False, 'disabled': True, 'unavailable_reason': "ImportError: No module named 'triton'", 'capabilities': []}
2026-09-10T13:22:13.504127 - [INFO] Found comfy_kitchen backend hip: {'available': False, 'disabled': False, 'unavailable_reason': 'PyTorch ROCm/HIP runtime not available', 'capabilities': []}
2026-09-10T13:22:13.552736 - [INFO] Checkpoint files will always be loaded safely.
2026-09-10T13:22:13.784643 - [INFO] Total VRAM 8151 MB, total RAM 16095 MB
2026-09-10T13:22:13.784876 - [INFO] pytorch version: 2.13.0+cu130
2026-09-10T13:22:13.785360 - [INFO] Set vram state to: NORMAL_VRAM
2026-09-10T13:22:13.785514 - [INFO] Device: cuda:0 NVIDIA GeForce RTX 5060 Laptop GPU : cudaMallocAsync
2026-09-10T13:22:13.806145 - [INFO] Using async weight offloading with 2 streams
2026-09-10T13:22:13.806537 - [INFO] Enabled pinned memory 6437.0
2026-09-10T13:22:14.020254 - [INFO] Using pytorch attention
2026-09-10T13:22:29.423551 - [INFO] aimdo: src-win/cuda-detour.c:38:INFO:aimdo_setup_hooks: installing 6 hooks
2026-09-10T13:22:29.459464 - [INFO] aimdo: src/control.c:269:INFO:comfy-aimdo NVML pressure enabled
2026-09-10T13:22:29.467834 - [INFO] aimdo: src-win/shmem-detect.c:80:INFO:comfy-aimdo WDDM adapter match: NVIDIA GeForce RTX 5060 Laptop GPU runtime_luid=00000000:0000d2f9 dxgi_luid=00000000:0000d2f9
2026-09-10T13:22:29.467920 - [INFO] aimdo: src/control.c:284:INFO:comfy-aimdo inited for GPU: NVIDIA GeForce RTX 5060 Laptop GPU (VRAM: 8150 MB)
2026-09-10T13:22:29.467986 - [INFO] DynamicVRAM support detected and enabled
2026-09-10T13:22:29.468030 - [INFO] Python version: 3.13.12 (main, Feb 12 2026, 00:38:53) [MSC v.1944 64 bit (AMD64)]
2026-09-10T13:22:29.468064 - [INFO] ComfyUI version: 0.35.0
2026-09-10T13:22:29.468710 - [INFO] comfy-aimdo version: 0.5.3
2026-09-10T13:22:29.469351 - [INFO] comfy-kitchen version: 0.2.33
2026-09-10T13:22:29.473482 - [INFO] comfyui-frontend-package version: 1.51.10
2026-09-10T13:22:29.473550 - [INFO] comfyui-workflow-templates version: 0.11.57
2026-09-10T13:22:29.473582 - [INFO] comfyui-embedded-docs version: 0.5.11
2026-09-10T13:22:29.473609 - [INFO] comfy-kitchen version: 0.2.33
2026-09-10T13:22:29.473633 - [INFO] comfy-aimdo version: 0.5.3
2026-09-10T13:22:29.476787 - [INFO] [Prompt Server] web root: D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\.venv\Lib\site-packages\comfyui_frontend_package\static
2026-09-10T13:22:29.477538 - [INFO] Asset seeder disabled
2026-09-10T13:22:29.477645 - [INFO] [START] ComfyUI-Manager
2026-09-10T13:22:29.840460 - [ComfyUI-Manager] Using GitPython backend2026-09-10T13:22:29.840490 -
2026-09-10T13:22:29.901139 - [INFO] [ComfyUI-Manager] network_mode: public
2026-09-10T13:22:29.910248 - [WARNING] [ComfyUI-Manager] The matrix sharing feature has been disabled because the `matrix-nio` dependency is not installed.
To use this feature, please run the following command:
D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\.venv\Scripts\python.exe -m pip install matrix-nio

2026-09-10T13:22:32.942424 - [INFO] No OpenGL_accelerate module loaded: No module named 'OpenGL_accelerate'
2026-09-10T13:22:36.120285 - [INFO] ### Loading: ComfyUI-Impact-Pack (V8.28.3)
2026-09-10T13:22:36.296599 - [WARNING]
----------------------------------------------------------------------------
[Impact Pack] The SAM2 functionality is unavailable because the `facebook/sam2` dependency is not installed.

Installation command:
D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\.venv\Scripts\python.exe -m pip install git+https://github.com/facebookresearch/sam2
----------------------------------------------------------------------------

2026-09-10T13:22:36.326435 - [WARNING]
----------------------------------------------------------------------------
[Impact Pack] The SAM2 functionality is unavailable because the `facebook/sam2` dependency is not installed.

Installation command:
D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\.venv\Scripts\python.exe -m pip install git+https://github.com/facebookresearch/sam2
----------------------------------------------------------------------------

2026-09-10T13:22:36.360331 - [INFO] [Impact Pack] Wildcard total size (0.00 MB) is within cache limit (50.00 MB). Using full cache mode.
2026-09-10T13:22:36.362772 - [INFO] [Impact Pack] Wildcards loading done.
2026-09-10T13:22:36.362968 - [INFO] ### Loading: ComfyUI-Impact-Subpack (V1.3.5)
2026-09-10T13:22:36.373091 - [INFO] [Impact Pack/Subpack] Using folder_paths to determine whitelist path: D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\user\default\ComfyUI-Impact-Subpack\model-whitelist.txt
2026-09-10T13:22:36.373267 - [INFO] [Impact Pack/Subpack] Ensured whitelist directory exists: D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\user\default\ComfyUI-Impact-Subpack
2026-09-10T13:22:36.373546 - [INFO] [Impact Pack/Subpack] Loaded 0 model(s) from whitelist: D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\user\default\ComfyUI-Impact-Subpack\model-whitelist.txt
2026-09-10T13:22:37.241509 - [INFO] [Impact Subpack] ultralytics_bbox: D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\models\ultralytics\bbox
2026-09-10T13:22:37.241599 - [INFO] [Impact Subpack] ultralytics_segm: D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\models\ultralytics\segm
2026-09-10T13:22:40.643867 - WAS Node Suite: OpenCV Python FFMPEG support is enabled2026-09-10T13:22:40.643897 -
2026-09-10T13:22:40.643942 - WAS Node Suite Warning: `ffmpeg_bin_path` is not set in `D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\custom_nodes\was-ns\was_suite_config.json` config file. Will attempt to use system ffmpeg binaries if available.2026-09-10T13:22:40.643954 -
2026-09-10T13:22:40.973146 - WAS Node Suite: Finished. Loaded 220 nodes successfully.2026-09-10T13:22:40.973173 -
2026-09-10T13:22:40.973198 -
"Success is not in what you have, but who you are." - Bo Bennett
2026-09-10T13:22:40.973208 -
2026-09-10T13:22:40.983168 - [INFO]
Import times for custom nodes:
2026-09-10T13:22:40.983240 - [INFO] 0.0 seconds: D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\custom_nodes\websocket_image_save.py
2026-09-10T13:22:40.983275 - [INFO] 0.2 seconds: D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\custom_nodes\comfyui-impact-pack
2026-09-10T13:22:40.983298 - [INFO] 0.9 seconds: D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\custom_nodes\comfyui-impact-subpack
2026-09-10T13:22:40.983320 - [INFO] 0.9 seconds: D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\custom_nodes\was-ns
2026-09-10T13:22:40.983343 - [INFO] 2.8 seconds: D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\custom_nodes\comfyui_layerstyle
2026-09-10T13:22:40.983370 - [INFO]
2026-09-10T13:22:40.986307 - [INFO] Context impl SQLiteImpl.
2026-09-10T13:22:40.986374 - [INFO] Will assume non-transactional DDL.
2026-09-10T13:22:41.081136 - [INFO] Using RAM pressure cache.
2026-09-10T13:22:41.082331 - [INFO] Starting server

2026-09-10T13:22:41.082940 - [INFO] To see the GUI go to: http://127.0.0.1:8188
2026-09-10T13:22:41.629752 - [ERROR] Exception in callback _ProactorBasePipeTransport._call_connection_lost()
handle:
Traceback (most recent call last):
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\standalone-env\Lib\asyncio\events.py", line 89, in _run
self._context.run(self._callback, *self._args)
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\standalone-env\Lib\asyncio\proactor_events.py", line 165, in _call_connection_lost
self._sock.shutdown(socket.SHUT_RDWR)
~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
ConnectionResetError: [WinError 10054] 远程主机强迫关闭了一个现有的连接。
2026-09-10T13:22:42.526004 - [WARNING] [DEPRECATION WARNING] Detected import of deprecated legacy API: /scripts/ui.js. This is likely caused by a custom node extension using outdated APIs. Please update your extensions or contact the extension author for an updated version.
2026-09-10T13:22:42.526265 - [WARNING] [DEPRECATION WARNING] Detected import of deprecated legacy API: /extensions/core/clipspace.js. This is likely caused by a custom node extension using outdated APIs. Please update your extensions or contact the extension author for an updated version.
2026-09-10T13:22:43.542103 - [INFO] [ComfyUI-Manager] The ComfyRegistry cache update is still in progress, so an outdated cache is being used.
2026-09-10T13:22:43.622129 - FETCH DATA from: D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\.venv\Lib\site-packages\comfyui_manager\custom-node-list.json2026-09-10T13:22:43.622152 - 2026-09-10T13:22:43.637516 - [DONE]2026-09-10T13:22:43.637560 -
2026-09-10T13:24:30.295698 - [WARNING] Cannot connect to comfyregistry.
2026-09-10T13:24:30.310838 - [ERROR] [ComfyUI-Manager] An invalid channel was used: https://cdn.jsdelivr.net/gh/ltdrdata/ComfyUI-Manager@main
2026-09-10T13:24:30.321590 - Exception in thread 2026-09-10T13:24:30.321757 - Thread-8 ()2026-09-10T13:24:30.321871 - :
2026-09-10T13:24:30.377287 - Traceback (most recent call last):
2026-09-10T13:24:30.377337 - 2026-09-10T13:24:30.379815 - File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\standalone-env\Lib\threading.py", line 1044, in _bootstrap_inner
self.run()
~~~~~~~~^^
2026-09-10T13:24:30.379852 - 2026-09-10T13:24:30.379884 - File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\standalone-env\Lib\threading.py", line 995, in run
self._target(*self._args, **self._kwargs)
~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-09-10T13:24:30.379910 - 2026-09-10T13:24:30.379940 - File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\.venv\Lib\site-packages\comfyui_manager\glob\manager_server.py", line 2172, in
threading.Thread(target=lambda: asyncio.run(default_cache_update())).start()
~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
2026-09-10T13:24:30.379963 - 2026-09-10T13:24:30.379995 - File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\standalone-env\Lib\asyncio\runners.py", line 195, in run
return runner.run(main)
~~~~~~~~~~^^^^^^
2026-09-10T13:24:30.380023 - 2026-09-10T13:24:30.380048 - File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\standalone-env\Lib\asyncio\runners.py", line 118, in run
return self._loop.run_until_complete(task)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^
2026-09-10T13:24:30.380071 - 2026-09-10T13:24:30.380108 - File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\standalone-env\Lib\asyncio\base_events.py", line 725, in run_until_complete
return future.result()
~~~~~~~~~~~~~^^
2026-09-10T13:24:30.380162 - 2026-09-10T13:24:30.380299 - File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\.venv\Lib\site-packages\comfyui_manager\glob\manager_server.py", line 2161, in default_cache_update
await core.unified_manager.get_custom_nodes(
channel_url, ManagerDatabaseSource.remote.value
)
2026-09-10T13:24:30.380390 - 2026-09-10T13:24:30.382314 - File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\.venv\Lib\site-packages\comfyui_manager\glob\manager_core.py", line 809, in get_custom_nodes
nodes = await self.load_nightly(channel, mode)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-09-10T13:24:30.382437 - 2026-09-10T13:24:30.382544 - File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\.venv\Lib\site-packages\comfyui_manager\glob\manager_core.py", line 779, in load_nightly
raise InvalidChannel(channel_url)
2026-09-10T13:24:30.382634 - 2026-09-10T13:24:30.382765 - comfyui_manager.glob.manager_core.InvalidChannel: https://cdn.jsdelivr.net/gh/ltdrdata/ComfyUI-Manager@main
2026-09-10T13:24:30.382851 - 2026-09-10T15:49:48.720495 - [INFO] got prompt
2026-09-10T15:49:48.748866 - [INFO] Using pytorch attention in VAE
2026-09-10T15:49:48.749941 - [INFO] Using pytorch attention in VAE
2026-09-10T15:49:48.921012 - [INFO] VAE load device: cuda:0, offload device: cpu, dtype: torch.bfloat16
2026-09-10T15:49:49.361364 - [INFO] CLIP/text encoder model load device: cuda:0, offload device: cpu, current: cpu, dtype: torch.float16
2026-09-10T15:49:49.366035 - [INFO] Requested to load AnimaTEModel_
2026-09-10T15:49:49.367584 - [INFO] 0 models unloaded.
2026-09-10T15:50:22.883080 - [ERROR] aimdo: src/model-vbar.c:242:ERROR:Could not reseve Virtual Address space for VBAR
2026-09-10T15:50:22.884129 - [ERROR] !!! Exception during processing !!! VBAR allocation failed
2026-09-10T15:50:22.898028 - [ERROR] Traceback (most recent call last):
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\execution.py", line 545, in execute
output_data, output_ui, has_subgraph, has_pending_tasks = await get_output_data(prompt_id, unique_id, obj, input_data_all, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb, v3_data=v3_data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\execution.py", line 344, in get_output_data
return_values = await _async_map_node_over_list(prompt_id, unique_id, obj, input_data_all, obj.FUNCTION, allow_interrupt=True, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb, v3_data=v3_data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\execution.py", line 318, in _async_map_node_over_list
await process_inputs(input_dict, i)
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\execution.py", line 306, in process_inputs
result = f(**inputs)
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\nodes.py", line 77, in encode
return (clip.encode_from_tokens_scheduled(tokens), )
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\sd.py", line 342, in encode_from_tokens_scheduled
pooled_dict = self.encode_from_tokens(tokens, return_pooled=return_pooled, return_dict=True)
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\sd.py", line 406, in encode_from_tokens
self.load_model(tokens)
~~~~~~~~~~~~~~~^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\sd.py", line 464, in load_model
model_management.load_models_gpu([self.patcher], memory_required=memory_used)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_management.py", line 1020, in load_models_gpu
loaded_model.model_load(lowvram_model_memory, force_patch_weights=force_patch_weights)
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_management.py", line 806, in model_load
self.model_use_more_vram(use_more_vram, force_patch_weights=force_patch_weights)
~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_management.py", line 834, in model_use_more_vram
return self.model.partially_load(self.device, extra_memory, force_patch_weights=force_patch_weights)
~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_patcher.py", line 2153, in partially_load
raise e
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_patcher.py", line 2150, in partially_load
self.load(device_to, dirty=dirty)
~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_patcher.py", line 1873, in load
vbar = self._vbar_get(create=True)
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_patcher.py", line 1805, in _vbar_get
vbar = comfy_aimdo.model_vbar.ModelVBAR(self.model_size() * 10, self.load_device.index)
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\.venv\Lib\site-packages\comfy_aimdo\model_vbar.py", line 54, in __init__
raise MemoryError("VBAR allocation failed")
MemoryError: VBAR allocation failed

2026-09-10T15:50:22.900389 - [INFO] Prompt executed in 34.18 seconds
2026-09-10T15:50:29.300400 - [INFO] got prompt
2026-09-10T15:50:29.305494 - [INFO] Requested to load AnimaTEModel_
2026-09-10T15:50:29.305917 - [INFO] 0 models unloaded.
2026-09-10T15:51:03.857452 - [ERROR] aimdo: src/model-vbar.c:242:ERROR:Could not reseve Virtual Address space for VBAR
2026-09-10T15:51:03.858535 - [ERROR] !!! Exception during processing !!! VBAR allocation failed
2026-09-10T15:51:03.860473 - [ERROR] Traceback (most recent call last):
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\execution.py", line 545, in execute
output_data, output_ui, has_subgraph, has_pending_tasks = await get_output_data(prompt_id, unique_id, obj, input_data_all, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb, v3_data=v3_data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\execution.py", line 344, in get_output_data
return_values = await _async_map_node_over_list(prompt_id, unique_id, obj, input_data_all, obj.FUNCTION, allow_interrupt=True, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb, v3_data=v3_data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\execution.py", line 318, in _async_map_node_over_list
await process_inputs(input_dict, i)
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\execution.py", line 306, in process_inputs
result = f(**inputs)
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\nodes.py", line 77, in encode
return (clip.encode_from_tokens_scheduled(tokens), )
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\sd.py", line 342, in encode_from_tokens_scheduled
pooled_dict = self.encode_from_tokens(tokens, return_pooled=return_pooled, return_dict=True)
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\sd.py", line 406, in encode_from_tokens
self.load_model(tokens)
~~~~~~~~~~~~~~~^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\sd.py", line 464, in load_model
model_management.load_models_gpu([self.patcher], memory_required=memory_used)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_management.py", line 1020, in load_models_gpu
loaded_model.model_load(lowvram_model_memory, force_patch_weights=force_patch_weights)
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_management.py", line 806, in model_load
self.model_use_more_vram(use_more_vram, force_patch_weights=force_patch_weights)
~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_management.py", line 834, in model_use_more_vram
return self.model.partially_load(self.device, extra_memory, force_patch_weights=force_patch_weights)
~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_patcher.py", line 2153, in partially_load
raise e
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_patcher.py", line 2150, in partially_load
self.load(device_to, dirty=dirty)
~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_patcher.py", line 1873, in load
vbar = self._vbar_get(create=True)
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\comfy\model_patcher.py", line 1805, in _vbar_get
vbar = comfy_aimdo.model_vbar.ModelVBAR(self.model_size() * 10, self.load_device.index)
File "D:\Comfy-Desktop\ComfyUI-Installs\ComfyUI\ComfyUI\.venv\Lib\site-packages\comfy_aimdo\model_vbar.py", line 54, in __init__
raise MemoryError("VBAR allocation failed")
MemoryError: VBAR allocation failed

2026-09-10T15:51:03.862443 - [INFO] Prompt executed in 34.56 seconds

## Attached Workflow
Please make sure that workflow does not contain any sensitive information such as API keys or passwords.

Workflow too large. Please manually upload the workflow from local file system.

## Additional Context
(Please add any additional context or steps to reproduce the error here)
```

### Other

The report was written with assistance from ChatGPT based on the attached ComfyUI error log.

Start with comfy/model_patcher.py around _vbar_get and the load path shown in the traceback, then inspect the installed comfy_aimdo/model_vbar.py implementation. Reproduce the workflow on Windows 11 with an RTX 5060 Laptop GPU using DynamicVRAM, compare it with --disable-dynamic-vram, and determine whether the workflow completes successfully without the VBAR allocation error.

Written by the indexing model from the issue text.