Isacc SIm 2022.1.0 Multi GPU dose not work and memory leak is reporeted

I cannot enable the mult-gpu render in Isacc SIm 2022.1.0 and linking memory is reported.

My environment is as below.
Software: Isacc SIm 2022.1.0
OS: Ubuntu 20.04
Displayer Info (when running the below code):

+-----------------------------------------------------------------------------+
| NVIDIA-SMI 510.73.05    Driver Version: 510.73.05    CUDA Version: 11.6     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  NVIDIA GeForce ...  Off  | 00000000:17:00.0 Off |                  N/A |
| 25%   34C    P8    33W / 260W |    818MiB / 11264MiB |     30%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+
|   1  NVIDIA GeForce ...  Off  | 00000000:65:00.0  On |                  N/A |
| 52%   66C    P2   208W / 260W |   2641MiB / 11264MiB |     98%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+
                                                                               
+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|    0   N/A  N/A      1439      G   /usr/lib/xorg/Xorg                  4MiB |
|    0   N/A  N/A      2180      G   /usr/lib/xorg/Xorg                  4MiB |
|    0   N/A  N/A    511962    C+G   ....0/kit/python/bin/python3      802MiB |
|    1   N/A  N/A      1439      G   /usr/lib/xorg/Xorg                 53MiB |
|    1   N/A  N/A      2180      G   /usr/lib/xorg/Xorg                226MiB |
|    1   N/A  N/A      2320      G   /usr/bin/gnome-shell               49MiB |
|    1   N/A  N/A    198391      G   ...857603391979510381,131072      126MiB |
|    1   N/A  N/A    471586      G   ...RendererForSitePerProcess       31MiB |
|    1   N/A  N/A    511962    C+G   ....0/kit/python/bin/python3     2133MiB |
+-----------------------------------------------------------------------------+

Code:

#launch Isaac Sim before any other imports
#default first two lines in any standalone application
from omni.isaac.kit import SimulationApp
import numpy as np

config = {
    'multi_gpu': True,
    'headless': False,

}

simulation_app = SimulationApp(config) # we can also run as headless.

from omni.isaac.core import World
from omni.isaac.core.objects import DynamicCuboid
import numpy as np

world = World()
world.scene.add_default_ground_plane()

fancy_cube_list = []
for i in range(50):
    fancy_cube_list.append(world.scene.add(
        DynamicCuboid(
            prim_path="/World/random_cube_" + str(i),
            name="fancy_cube_" + str(i),
            position=np.array([0, 0, 10 * np.random.randn()]),
            size=np.array([0.5015, 0.5015, 0.5015]),
            color=np.array([0, 0, np.random.random()]),
        )))
# Resetting the world needs to be called before querying anything related to an articulation specifically.
# Its recommended to always do a reset after adding your assets, for physics handles to be propagated properly
world.reset()
for i in range(1000):
    # position, orientation = fancy_cube_list[0].get_world_pose()
    # linear_velocity = fancy_cube_list[0].get_linear_velocity()
    # # will be shown on terminal
    # print("Cube position is : " + str(position))
    # print("Cube's orientation is : " + str(orientation))
    # print("Cube's linear velocity is : " + str(linear_velocity))
    # # we have control over stepping physics and rendering in this workflow
    # # things run in sync
    world.step(render=True) # execute one physics step and one rendering step

simulation_app.close() # close Isaac Sim

Terminal info:

Passing the following args to the base kit application:  []
[Warning] [omni.kit.app.plugin] No crash reporter present, dumps uploading isn't available.
[Info] [carb] Logging to file: /home/zzj/.local/share/ov/pkg/isaac_sim-2022.1.0/kit/logs/Kit/Isaac-Sim/2022.1/kit_20220614_145904.log
[0.186s] [ext: omni.stats-0.0.0] startup
[0.202s] [ext: omni.gpu_foundation-0.0.0] startup
2022-06-14 06:59:04 [201ms] [Warning] [carb] FrameworkImpl::setDefaultPlugin(client: omni.gpu_foundation_factory.plugin, desc : [carb::graphics::Graphics v2.5], plugin : carb.graphics-vulkan.plugin) failed. Plugin selection is locked, because the interface was previously acquired by: 
[0.211s] [ext: carb.windowing.plugins-1.0.0] startup
[0.227s] [ext: omni.assets.plugins-0.0.0] startup
[0.228s] [ext: omni.kit.renderer.init-0.0.0] startup

|---------------------------------------------------------------------------------------------|
| Driver Version: 510.73.5      | Graphics API: Vulkan
|=============================================================================================|
| GPU | Name                             | Active | LDA | GPU Memory | Vendor-ID | LUID       |
|     |                                  |        |     |            | Device-ID | UUID       |
|---------------------------------------------------------------------------------------------|
| 0   | NVIDIA GeForce RTX 2080 Ti       | Yes: 0 |     | 11510   MB | 10de      | 0          |
|     |                                  |        |     |            | 1e07      | 3290ab32.. |
|---------------------------------------------------------------------------------------------|
| 1   | NVIDIA GeForce RTX 2080 Ti       | Yes: 1 |     | 11510   MB | 10de      | 0          |
|     |                                  |        |     |            | 1e07      | ced825f2.. |
|=============================================================================================|
| OS: Linux zzj, Version: 5.13.0-48-generic
| XServer Vendor: The X.Org Foundation, XServer Version: 12013000 (1.20.13.0)
| Processor: Intel(R) Core(TM) i9-9820X CPU @ 3.30GHz | Cores: Unknown | Logical: 20
|---------------------------------------------------------------------------------------------|
| Total Memory (MB): 31775 | Free Memory: 27334
| Total Page/Swap (MB): 47679 | Free Page/Swap: 47679
|---------------------------------------------------------------------------------------------|
2022-06-14 06:59:06 [1,688ms] [Warning] [carb.cudainterop.plugin] On Linux only, CUDA and the display driver does not support IOMMU-enabled bare-metal PCIe peer to peer memory copy.
However, CUDA and the display driver does support IOMMU via VM pass through. As a consequence, users on Linux,
when running on a native bare metal system, should disable the IOMMU. The IOMMU should be enabled and the VFIO driver
be used as a PCIe pass through for virtual machines.
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Warp initialized:
   Version: 0.2.1
   Using CUDA device: NVIDIA GeForce RTX 2080 Ti
   Using CPU compiler: /usr/bin/g++
[6.630s] [ext: omni.kit.renderer.capture-0.0.0] startup
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2022-06-14 06:59:11 [6,730ms] [Warning] [omni.physx.plugin] Deprecated: getSimulationEventStream is deprecated, please use getSimulationEventStreamV2
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2022-06-14 06:59:11 [7,391ms] [Warning] [omni.physx.plugin] Deprecated: getSimulationEventStream is deprecated, please use getSimulationEventStreamV2
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[7.547s] Simulation App Starting
2022-06-14 06:59:12 [7,543ms] [Warning] [gpu.foundation.plugin] Different GPUs have different available VRAM. The texture streaming system will be limited to the lower VRAM number
[8.601s] app ready
[37.744s] Simulation App Startup Complete
2022-06-14 06:59:42 [37,873ms] [Warning] [omni.client.python] Waiting for a request that has taken longer than 20ms to complete: 
  File "/home/zzj/.local/share/ov/pkg/isaac_sim-2022.1.0/exts/omni.isaac.examples/omni/isaac/examples/user_examples/my_applicaiton.py", line 19, in <module>
  File "/home/zzj/.local/share/ov/pkg/isaac_sim-2022.1.0/exts/omni.isaac.core/omni/isaac/core/scenes/scene.py", line 184, in add_default_ground_plane
  File "/home/zzj/.local/share/ov/pkg/isaac_sim-2022.1.0/exts/omni.isaac.core/omni/isaac/core/utils/nucleus.py", line 494, in get_assets_root_path
  File "/home/zzj/.local/share/ov/pkg/isaac_sim-2022.1.0/exts/omni.isaac.core/omni/isaac/core/utils/nucleus.py", line 183, in check_server
  File "/home/zzj/.local/share/ov/pkg/isaac_sim-2022.1.0/kit/extscore/omni.client/omni/client/__init__.py", line 133, in stat

2022-06-14 06:59:43 [38,935ms] [Warning] [carb.flatcache.plugin] Type tag does not have a corresponding USD type
2022-06-14 06:59:43 [38,949ms] [Warning] [gpu.foundation.plugin] Requesting texture to use texture streaming, but the service isn't available.The texture will be created as a regular resource.
[49.276s] Simulation App Shutting Down
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[50.320s] [ext: omni.kit.asset_converter-1.2.30] shutdown
[50.339s] [ext: omni.graph.instancing-1.1.4] shutdown
[50.341s] [ext: omni.kit.browser.folder.core-1.1.13] shutdown
[50.360s] [ext: omni.kit.browser.core-2.0.12] shutdown
[50.380s] [ext: omni.kit.graph.widget.variables-2.0.2] shutdown
[50.398s] [ext: omni.kit.graph.editor.core-1.3.3] shutdown
[50.418s] [ext: omni.kit.graph.delegate.default-1.0.15] shutdown
[50.435s] [ext: omni.kit.graph.delegate.modern-1.6.0] shutdown
[50.453s] [ext: semantics.schema.editor-0.2.2] shutdown
[50.581s] [ext: omni.replicator.core-1.2.0] shutdown
[50.600s] [ext: omni.kit.primitive.mesh-1.0.0] shutdown
[50.607s] [ext: omni.syntheticdata-0.2.1] shutdown
[50.609s] [ext: omni.graph.tutorials-1.1.2] shutdown
[50.610s] [ext: omni.graph.nodes-1.25.0] shutdown
[50.611s] [ext: omni.graph.scriptnode-0.5.0] shutdown
[50.611s] [ext: omni.graph.action-1.17.0] shutdown
[50.612s] [ext: omni.graph.ui-1.6.1] shutdown
2022-06-14 06:59:55 [50,705ms] [Warning] [omni.kit.menu.utils.scripts.utils] omni.kit.menu.utils remove_menu_items "Create" failed list.remove(x): x not in list
[50.735s] [ext: omni.warp-0.2.1] shutdown
[50.752s] [ext: omni.graph-1.22.1] shutdown
2022-06-14 06:59:55 [50,765ms] [Warning] [omni.ext.impl._internal] omni.graph-1.22.1 -> <class 'omni.graph.core._impl.extension.PublicExtension'>: extension object is still alive, something holds a reference on it. References: ["[0]:type: <class 'frame'>, id: 170194736", "[1]:type: <class 'frame'>, id: 352673584", "[2]:type: <class 'frame'>, id: 215364544", "[3]:type: <class 'frame'>, id: 161615712", "[4]:type: <class 'frame'>, id: 354001216", '[*] ...']
[50.773s] [ext: omni.kit.menu.edit-1.0.6] shutdown
[50.780s] [ext: omni.command.usd-1.0.1] shutdown
[50.780s] [ext: omni.physx.bundle-1.4.12-5.1] shutdown
[50.780s] [ext: omni.physx.cct-1.4.12-5.1] shutdown
[50.798s] [ext: omni.physx.tests-1.4.12-5.1] shutdown
[50.814s] [ext: omni.kit.window.extensions-1.1.0] shutdown
[50.814s] [ext: omni.kit.manipulator.viewport-1.0.6] shutdown
[50.830s] [ext: omni.ui.scene-1.4.6] shutdown
[50.830s] [ext: omni.rtx.settings.core-0.5.5] shutdown
[50.833s] [ext: omni.physx.vehicle-1.4.12-5.1] shutdown
[50.868s] [ext: omni.physx.camera-1.4.12-5.1] shutdown
[50.884s] [ext: omni.physx.demos-1.4.12-5.1] shutdown
[50.900s] [ext: omni.kit.property.physx-0.1.0] shutdown
[50.919s] [ext: omni.physx.ui-1.4.12-5.1] shutdown
[50.944s] [ext: omni.kit.widget.searchfield-1.0.6] shutdown
[50.959s] [ext: omni.kit.ui_test-1.2.0] shutdown
[50.960s] [ext: omni.ui_query-1.1.1] shutdown
[50.960s] [ext: omni.kit.window.preferences-1.2.1] shutdown
2022-06-14 06:59:55 [50,983ms] [Warning] [omni.ext.impl._internal] omni.kit.window.preferences-1.2.1 -> <class 'omni.kit.window.preferences.scripts.preferences_window.PreferencesExtension'>: extension object is still alive, something holds a reference on it. References: ["[0]:type: <class 'frame'>, id: 338787616", "[1]:type: <class 'frame'>, id: 345521632", "[2]:type: <class 'frame'>, id: 170070976"]
[50.991s] [ext: omni.rtx.window.settings-0.6.1] shutdown
[50.991s] [ext: omni.kit.property.bundle-1.2.4] shutdown
[50.991s] [ext: omni.kit.property.audio-1.0.5] shutdown
[50.992s] [ext: omni.kit.property.layer-1.1.2] shutdown
[50.992s] [ext: omni.kit.widget.layers-1.5.17] shutdown
[50.993s] [ext: omni.kit.property.transform-1.0.2] shutdown
[50.993s] [ext: omni.kit.property.material-1.8.5] shutdown
[50.993s] [ext: omni.kit.property.skel-1.0.1] shutdown
[50.994s] [ext: omni.kit.property.camera-1.0.3] shutdown
[50.994s] [ext: omni.kit.property.geometry-1.2.0] shutdown
[50.994s] [ext: omni.kit.property.light-1.0.5] shutdown
[50.994s] [ext: omni.kit.property.render-1.1.0] shutdown
[50.994s] [ext: omni.kit.property.usd-3.14.8] shutdown
2022-06-14 06:59:55 [51,010ms] [Warning] [omni.ext.impl._internal] omni.kit.property.usd-3.14.8 -> <class 'omni.kit.property.usd.widgets.UsdPropertyWidgets'>: extension object is still alive, something holds a reference on it. References: ["[0]:type: <class 'frame'>, id: 215287488", "[1]:type: <class 'frame'>, id: 215761776", "[2]:type: <class 'cell'>, id: 139908661001744"]
[51.017s] [ext: omni.kit.window.content_browser-2.4.28] shutdown
2022-06-14 06:59:55 [51,042ms] [Warning] [omni.ext.impl._internal] omni.kit.window.content_browser-2.4.28 -> <class 'omni.kit.window.content_browser.extension.ContentBrowserExtension'>: extension object is still alive, something holds a reference on it. References: ["[0]:type: <class 'frame'>, id: 139908666533904", "[1]:type: <class 'frame'>, id: 212623392", "[2]:type: <class 'frame'>, id: 154844560"]
[51.050s] [ext: omni.kit.menu.file-1.0.8] shutdown
[51.059s] [ext: omni.kit.window.file-1.3.16] shutdown
[51.059s] [ext: omni.kit.window.file_exporter-1.0.4] shutdown
[51.059s] [ext: omni.kit.window.file_importer-1.0.4] shutdown
[51.060s] [ext: omni.kit.window.stage-2.3.7] shutdown
[51.060s] [ext: omni.kit.widget.stage-2.6.15] shutdown
[51.060s] [ext: omni.kit.window.filepicker-2.4.29] shutdown
[51.060s] [ext: omni.kit.widget.filebrowser-2.2.26] shutdown
[51.060s] [ext: omni.kit.search_core-1.0.2] shutdown
[51.061s] [ext: omni.kit.window.status_bar-0.1.1] shutdown
[51.062s] [ext: omni.kit.window.viewport-0.0.0] shutdown
[58.096s] [ext: omni.kit.window.toolbar-1.2.4] shutdown
[58.097s] [ext: omni.kit.context_menu-1.3.9] shutdown
[58.098s] [ext: omni.kit.material.library-1.3.10] shutdown
[58.101s] [ext: omni.kit.window.popup_dialog-2.0.7] shutdown
[58.101s] [ext: omni.kit.window.property-1.6.3] shutdown
[58.101s] [ext: omni.kit.widget.browser_bar-2.0.3] shutdown
[58.101s] [ext: omni.kit.widget.path_field-2.0.3] shutdown
[58.101s] [ext: omni.kit.widget.prompt-1.0.1] shutdown
[58.101s] [ext: omni.kit.selection-0.1.0] shutdown
[58.101s] [ext: omni.kit.notification_manager-1.0.5] shutdown
[58.102s] [ext: omni.kit.widget.graph-1.4.2] shutdown
[58.102s] [ext: omni.kit.widget.live-0.1.0] shutdown
[58.103s] [ext: omni.kit.window.script_editor-1.6.2] shutdown
[58.103s] [ext: omni.kit.window.console-0.2.0] shutdown
[58.104s] [ext: omni.kit.menu.common-1.0.0] shutdown
[58.104s] [ext: omni.kit.menu.create-1.0.2] shutdown
[58.105s] [ext: omni.kit.menu.utils-1.2.11] shutdown
[58.105s] [ext: omni.kit.profiler.window-1.4.4] shutdown
[58.123s] [ext: omni.kit.widget.settings-1.0.0] shutdown
[58.123s] [ext: omni.kit.uiapp-0.0.0] shutdown
[58.123s] [ext: omni.kit.mainwindow-0.0.0] shutdown
[58.123s] [ext: omni.kit.widget.versioning-1.3.8] shutdown
[58.123s] [ext: omni.kit.widget.zoombar-1.0.3] shutdown
[58.140s] [ext: omni.kit.window.drop_support-1.0.0] shutdown
[58.140s] [ext: omni.ui-2.10.3] shutdown
[58.140s] [ext: omni.physx.commands-1.4.12-5.1] shutdown
[58.156s] [ext: omni.kit.usd_undo-0.1.0] shutdown
[58.156s] [ext: omni.kit.test-0.0.0] shutdown
[58.157s] [ext: omni.kit.window.title-1.1.1] shutdown
2022-06-14 07:00:02 [58,169ms] [Warning] [omni.ext.impl._internal] omni.kit.window.title-1.1.1 -> <class 'omni.kit.window.title.title.WindowTitle'>: extension object is still alive, something holds a reference on it. References: ["[0]:type: <class 'frame'>, id: 41060304"]
[58.176s] [ext: omni.kit.renderer.capture-0.0.0] shutdown
[58.177s] [ext: omni.kit.renderer.core-0.0.0] shutdown
2022-06-14 07:00:02 [58,180ms] [Warning] [omni.kit.renderer.plugin] Found 14 dangling textures
[58.222s] [ext: omni.appwindow-1.0.0] shutdown
[58.223s] [ext: omni.kit.loop-isaac-0.1.0] shutdown
[58.223s] [ext: omni.usd.schema.isaac-0.2.0] shutdown
[58.224s] [ext: omni.physx.tensors-0.1.0] shutdown
[58.225s] [ext: omni.physx-1.4.12-5.1] shutdown
[58.253s] [ext: omni.convexdecomposition-1.4.12] shutdown
[58.269s] [ext: omni.localcache-0.0.0] shutdown
[58.285s] [ext: omni.kvdb-0.0.0] shutdown
[58.300s] [ext: omni.physics.tensors-0.1.0] shutdown
[58.315s] [ext: omni.usdphysics-1.4.12] shutdown
[58.315s] [ext: omni.usd.schema.physx-0.0.0] shutdown
[58.331s] [ext: omni.graph.core-2.27.0] shutdown
[58.331s] [ext: omni.hydra.engine.stats-1.0.0] shutdown
[58.331s] [ext: omni.debugdraw-0.1.0] shutdown
[58.331s] [ext: omni.kit.stage_templates-1.1.2] shutdown
[58.331s] [ext: omni.kit.viewport.legacy_gizmos-1.0.0] shutdown
[58.332s] [ext: omni.usd-1.5.3] shutdown
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000000 (/tmp/carb.NqQBWd/plus.24x32.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000001 (/tmp/carb.NqQBWd/angle_left.32x32.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000002 (/tmp/carb.NqQBWd/angle_right.32x32.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000003 (/tmp/carb.NqQBWd/bookmark_grey.36x36.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000004 (/tmp/carb.NqQBWd/settings.28x40.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000005 (/tmp/carb.NqQBWd/search.32x32.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000006 (/tmp/carb.NqQBWd/filter.28x32.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000007 (/tmp/carb.NqQBWd/list.32x40.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000008 (/tmp/carb.NqQBWd/toolbar_select_model.56x56.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000009 (/tmp/carb.NqQBWd/toolbar_select_prim.56x56.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x10000000a (/tmp/carb.NqQBWd/toolbar_select_models.56x56.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x10000000b (/tmp/carb.NqQBWd/toolbar_move_global.56x56.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x10000000c (/tmp/carb.NqQBWd/toolbar_rotate_global.56x56.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x10000000d (/tmp/carb.NqQBWd/toolbar_scale.56x56.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x10000000e (/tmp/carb.NqQBWd/toolbar_snap.56x56.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x10000000f (/tmp/carb.NqQBWd/toolbar_play.56x56.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000010 (/tmp/carb.NqQBWd/toolbar_pause.56x56.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000011 (/tmp/carb.NqQBWd/filter.28x28.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000012 (/tmp/carb.NqQBWd/options.28x28.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000013 (/tmp/carb.NqQBWd/eye_header.44x28.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000014 (/tmp/carb.NqQBWd/options.28x32.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000015 (/tmp/carb.NqQBWd/layers.36x36.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000016 (/tmp/carb.NqQBWd/layer_save.28x28.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000017 (/tmp/carb.NqQBWd/layers_switch_local.84x44.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000018 (/tmp/carb.NqQBWd/cloud.28x28.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000019 (/tmp/carb.NqQBWd/drop_down.12x12.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x10000001a (/tmp/carb.NqQBWd/layers_switch_global.84x44.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x10000001b (/tmp/carb.NqQBWd/external_link.52x52.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x10000001c (/tmp/carb.NqQBWd/new_layer.52x52.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x10000001d (/tmp/carb.NqQBWd/trash.44x44.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x200000028 (/tmp/carb.NqQBWd/toolbar_stop.56x56.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000031 (/tmp/carb.NqQBWd/Plus.20x20.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000032 (/tmp/carb.NqQBWd/layers.40x40.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000033 (/tmp/carb.NqQBWd/layer_delta.24x24.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000034 (/tmp/carb.NqQBWd/Prim.40x40.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000035 (/tmp/carb.NqQBWd/sensor_icon.52x28.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned snapshot handle 0x100000036 (/tmp/carb.NqQBWd/Xform.40x40.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000000 (/tmp/carb.NqQBWd/plus.24x32.png)
2022-06-14 07:00:02 [58,324ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000001 (/tmp/carb.NqQBWd/angle_left.32x32.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000002 (/tmp/carb.NqQBWd/angle_right.32x32.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000003 (/tmp/carb.NqQBWd/bookmark_grey.36x36.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000004 (/tmp/carb.NqQBWd/search.32x32.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000005 (/tmp/carb.NqQBWd/settings.28x40.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000006 (/tmp/carb.NqQBWd/filter.28x32.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000008 (/tmp/carb.NqQBWd/list.32x40.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000009 (/tmp/carb.NqQBWd/toolbar_select_model.56x56.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x10000000a (/tmp/carb.NqQBWd/toolbar_select_prim.56x56.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x10000000b (/tmp/carb.NqQBWd/toolbar_select_models.56x56.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x10000000c (/tmp/carb.NqQBWd/toolbar_move_global.56x56.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x10000000d (/tmp/carb.NqQBWd/toolbar_rotate_global.56x56.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x10000000e (/tmp/carb.NqQBWd/toolbar_scale.56x56.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x10000000f (/tmp/carb.NqQBWd/toolbar_snap.56x56.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000010 (/tmp/carb.NqQBWd/toolbar_play.56x56.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000011 (/tmp/carb.NqQBWd/toolbar_pause.56x56.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000012 (/tmp/carb.NqQBWd/filter.28x28.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000013 (/tmp/carb.NqQBWd/options.28x28.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000014 (/tmp/carb.NqQBWd/eye_header.44x28.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000015 (/tmp/carb.NqQBWd/options.28x32.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000016 (/tmp/carb.NqQBWd/layers.36x36.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000017 (/tmp/carb.NqQBWd/layer_save.28x28.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000018 (/tmp/carb.NqQBWd/layers_switch_local.84x44.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000019 (/tmp/carb.NqQBWd/layers_switch_global.84x44.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x10000001a (/tmp/carb.NqQBWd/cloud.28x28.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x10000001b (/tmp/carb.NqQBWd/drop_down.12x12.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x10000001c (/tmp/carb.NqQBWd/external_link.52x52.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x10000001d (/tmp/carb.NqQBWd/new_layer.52x52.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x10000001e (/tmp/carb.NqQBWd/trash.44x44.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000032 (/tmp/carb.NqQBWd/Plus.20x20.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000033 (/tmp/carb.NqQBWd/layers.40x40.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000034 (/tmp/carb.NqQBWd/Prim.40x40.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000035 (/tmp/carb.NqQBWd/layer_delta.24x24.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000036 (/tmp/carb.NqQBWd/sensor_icon.52x28.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000037 (/tmp/carb.NqQBWd/toolbar_stop.56x56.png)
2022-06-14 07:00:02 [58,325ms] [Warning] [carb.assets.plugin] Evicting asset type c1237a43d569db21 v0.1 orphaned asset 0x100000038 (/tmp/carb.NqQBWd/Xform.40x40.png)
[58.343s] [ext: omni.usd.schema.physics-1.0.0] shutdown
[58.362s] [ext: omni.uiaudio-1.0.0] shutdown
[58.362s] [ext: omni.kit.audiodeviceenum-1.0.0] shutdown
[58.363s] [ext: carb.audio-0.1.0] shutdown
[58.363s] [ext: omni.kit.renderer.init-0.0.0] shutdown
2022-06-14 07:00:03 [58,759ms] [Error] [carb.graphics-vulkan.plugin] pipelineLayouts: 3 or descriptorSetLayouts: 3 is leaking memory. Missing call to destroyResourceBindingSignature()
2022-06-14 07:00:03 [58,806ms] [Error] [carb.graphics-vulkan.plugin] pipelineLayouts: 3 or descriptorSetLayouts: 3 is leaking memory. Missing call to destroyResourceBindingSignature()
[58.873s] [ext: carb.windowing.plugins-1.0.0] shutdown
[58.874s] [ext: omni.renderer-rtx-0.0.0] shutdown
[58.875s] [ext: omni.client-0.1.0] shutdown
[58.875s] [ext: omni.assets.plugins-0.0.0] shutdown
[58.876s] [ext: omni.hydra.scene_delegate-0.2.0] shutdown
[58.876s] [ext: omni.gpu_foundation-0.0.0] shutdown
[58.876s] [ext: omni.hydra.rtx-0.1.0] shutdown
[58.881s] [ext: omni.kit.async_engine-0.0.0] shutdown
[58.881s] [ext: omni.kit.commands-1.2.2] shutdown
[58.882s] [ext: omni.mdl-0.1.0] shutdown
[58.882s] [ext: omni.graph.tools-1.3.5] shutdown
[58.882s] [ext: omni.kit.numpy.common-0.1.0] shutdown
[58.882s] [ext: omni.kit.pip_archive-0.0.0] shutdown
[58.882s] [ext: omni.kit.pipapi-0.0.0] shutdown
[58.882s] [ext: omni.mdl.neuraylib-0.1.0] shutdown
[58.882s] [ext: omni.stats-0.0.0] shutdown
[58.882s] [ext: omni.timeline-1.0.2] shutdown
[58.882s] [ext: omni.usd.schema.omnigraph-1.0.0] shutdown
[58.882s] [ext: omni.usd.schema.semantics-0.0.0] shutdown
[58.882s] [ext: omni.usd.schema.anim-0.0.0] shutdown
[58.882s] [ext: omni.usd.schema.audio-0.0.0] shutdown
[58.883s] [ext: omni.usd.libs-1.0.0] shutdown
[58.887s] [ext: omni.usd.config-1.0.0] shutdown
[58.887s] [ext: omni.kit.widget.stage_icons-1.0.2] shutdown
Simulation App Shutdown Complete

Do you see memory leak with just adding 50 cubes? @hmazhar

The below information was provided from the Terminal when I shut down the app.

2022-06-14 07:00:03 [58,759ms] [Error] [carb.graphics-vulkan.plugin] pipelineLayouts: 3 or descriptorSetLayouts: 3 is leaking memory. Missing call to destroyResourceBindingSignature()
2022-06-14 07:00:03 [58,806ms] [Error] [carb.graphics-vulkan.plugin] pipelineLayouts: 3 or descriptorSetLayouts: 3 is leaking memory. Missing call to destroyResourceBindingSignature()

@zhengzj
The destroyResourceBindingSignature can be ignored, it occurs after you shutdown SimulationApp and does not affect running the simulator.

Can you elaborate on Multi GPU not working? I don’t see any specific errors in your log specific to this