Crash starting simulation

[chimerax-bug-report@…]

The following bug report has been submitted:
Platform:        Linux-5.4.0-152-generic-x86_64-with-glibc2.31
ChimeraX Version: 1.4 (2022-06-03 23:39:42 UTC)
Description
Last time you used ChimeraX it crashed.
Please describe steps that led to the crash here.
Fatal Python error: Segmentation fault

Thread 0x00007fd4f73e2700 (most recent call first):
  File "/usr/lib/ucsf-chimerax/lib/python3.9/threading.py", line 316 in wait
  File "/usr/lib/ucsf-chimerax/lib/python3.9/threading.py", line 574 in wait
  File "/usr/lib/ucsf-chimerax/lib/python3.9/threading.py", line 1297 in run
  File "/usr/lib/ucsf-chimerax/lib/python3.9/threading.py", line 973 in _bootstrap_inner
  File "/usr/lib/ucsf-chimerax/lib/python3.9/threading.py", line 930 in _bootstrap

Current thread 0x00007fd5ae19e740 (most recent call first):
  File "/usr/lib/ucsf-chimerax/lib/python3.9/site-packages/openmm/openmm.py", line 5248 in __init__
  File "/usr/lib/ucsf-chimerax/lib/python3.9/site-packages/openmm/app/simulation.py", line 103 in __init__
  File "/home/gabriel/.local/share/ChimeraX/1.4/site-packages/chimerax/isolde/openmm/openmm_interface.py", line 1582 in _prepare_sim
  File "/home/gabriel/.local/share/ChimeraX/1.4/site-packages/chimerax/isolde/openmm/openmm_interface.py", line 1624 in start_sim
  File "/home/gabriel/.local/share/ChimeraX/1.4/site-packages/chimerax/isolde/openmm/openmm_interface.py", line 677 in start_sim
  File "/home/gabriel/.local/share/ChimeraX/1.4/site-packages/chimerax/isolde/isolde.py", line 893 in start_sim
  File "/home/gabriel/.local/share/ChimeraX/1.4/site-packages/chimerax/isolde/cmd/cmd.py", line 111 in isolde_sim
  File "/usr/lib/ucsf-chimerax/lib/python3.9/site-packages/chimerax/core/commands/cli.py", line 2897 in run
  File "/usr/lib/ucsf-chimerax/lib/python3.9/site-packages/chimerax/core/commands/run.py", line 38 in run
  File "/home/gabriel/.local/share/ChimeraX/1.4/site-packages/chimerax/isolde/toolbar.py", line 17 in toolbar_command
  File "/home/gabriel/.local/share/ChimeraX/1.4/site-packages/chimerax/isolde/__init__.py", line 187 in run_provider
  File "/usr/lib/ucsf-chimerax/lib/python3.9/site-packages/chimerax/core/toolshed/__init__.py", line 1286 in run_provider
  File "/usr/lib/ucsf-chimerax/lib/python3.9/site-packages/chimerax/core/toolshed/info.py", line 386 in run_provider
  File "/usr/lib/ucsf-chimerax/lib/python3.9/site-packages/chimerax/toolbar/tool.py", line 205 in callback
  File "/usr/lib/ucsf-chimerax/lib/python3.9/site-packages/chimerax/ui/gui.py", line 318 in event_loop
  File "/usr/lib/ucsf-chimerax/lib/python3.9/site-packages/ChimeraX_main.py", line 870 in init
  File "/usr/lib/ucsf-chimerax/lib/python3.9/site-packages/ChimeraX_main.py", line 1021 in 
  File "/usr/lib/ucsf-chimerax/lib/python3.9/runpy.py", line 87 in _run_code
  File "/usr/lib/ucsf-chimerax/lib/python3.9/runpy.py", line 197 in _run_module_as_main
===== Log before crash start =====
Startup Messages  
---  
warning | QCoreApplication::postEvent: Unexpected null receiver  
note | Fetching AlphaFold database settings from
https://www.rbvi.ucsf.edu/chimerax/data/status/alphafold_database.json  
  
UCSF ChimeraX version: 1.4 (2022-06-03)  
© 2016-2022 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open /home/gabriel/Sims/ESBR/01_Modeling/IN_PROGRESS/AF/DESZn_AFv4.pdb
> format pdb

Chain information for DESZn_AFv4.pdb #1  
---  
Chain | Description  
A B | No description available  
  

> isolde start

> set selectionWidth 4

ISOLDE: Checking and correcting nomenclature for (pseudo)symmetric side
chains...  
ISOLDE: Corrected atom nomenclature of 58 residues in model #1 to IUPAC-IUB
standards.  
Chain information for DESZn_AFv4.pdb  
---  
Chain | Description  
1.2/A 1.2/B | No description available  
  
ISOLDE: created disulfide bonds between the following residues:  
A33-A173; A135-A165; B33-B173; B135-B165  

> isolde sim start sel

ISOLDE: stopped sim  

> addh #1.2

Summary of feedback from adding hydrogens to DESZn_AFv4.pdb #1.2  
---  
notes | No usable SEQRES records for DESZn_AFv4.pdb (#1.2) chain A; guessing
termini instead  
No usable SEQRES records for DESZn_AFv4.pdb (#1.2) chain B; guessing termini
instead  
Chain-initial residues that are actual N termini: /A HIS 1, /B HIS 1  
Chain-initial residues that are not actual N termini:  
Chain-final residues that are actual C termini: /A LYS 183, /B LYS 183  
Chain-final residues that are not actual C termini:  
310 hydrogen bonds  
2776 hydrogens added  
  

> isolde sim start sel


===== Log before crash end =====

Log:
UCSF ChimeraX version: 1.4 (2022-06-03)  
© 2016-2022 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  




OpenGL version: 3.3.0 NVIDIA 340.108
OpenGL renderer: Quadro FX 1700/PCIe/SSE2
OpenGL vendor: NVIDIA Corporation

Python: 3.9.11
Locale: en_US.UTF-8
Qt version: PyQt6 6.3.0, Qt 6.3.0
Qt runtime version: 6.3.0
Qt platform: xcb

XDG_SESSION_TYPE=x11
DESKTOP_SESSION=ubuntu
XDG_SESSION_DESKTOP=ubuntu
XDG_CURRENT_DESKTOP=ubuntu:GNOME
DISPLAY=:1
Manufacturer: Dell Inc.
Model: Precision WorkStation T7400
OS: Ubuntu 20.04 focal
Architecture: 64bit ELF
Virtual Machine: none
CPU: 4 Intel(R) Xeon(R) CPU           E5410  @ 2.33GHz
Cache Size: 6144 KB
Memory:
	              total        used        free      shared  buff/cache   available
	Mem:           11Gi       2.4Gi       6.0Gi        91Mi       3.3Gi       8.8Gi
	Swap:          11Gi          0B        11Gi

Graphics:
	02:00.0 VGA compatible controller [0300]: NVIDIA Corporation G84GL [Quadro FX 1700] [10de:040f] (rev a1)	
	Subsystem: NVIDIA Corporation G84GL [Quadro FX 1700] [10de:049a]	
	Kernel driver in use: nvidia

Installed Packages:
    alabaster: 0.7.12
    appdirs: 1.4.4
    Babel: 2.10.1
    backcall: 0.2.0
    blockdiag: 3.0.0
    certifi: 2022.5.18.1
    cftime: 1.6.0
    charset-normalizer: 2.0.12
    ChimeraX-AddCharge: 1.2.3
    ChimeraX-AddH: 2.1.11
    ChimeraX-AlignmentAlgorithms: 2.0
    ChimeraX-AlignmentHdrs: 3.2.1
    ChimeraX-AlignmentMatrices: 2.0
    ChimeraX-Alignments: 2.4.3
    ChimeraX-AlphaFold: 1.0
    ChimeraX-AltlocExplorer: 1.0.2
    ChimeraX-AmberInfo: 1.0
    ChimeraX-Arrays: 1.0
    ChimeraX-Atomic: 1.39.1
    ChimeraX-AtomicLibrary: 7.0
    ChimeraX-AtomSearch: 2.0.1
    ChimeraX-AxesPlanes: 2.1
    ChimeraX-BasicActions: 1.1
    ChimeraX-BILD: 1.0
    ChimeraX-BlastProtein: 2.1.1
    ChimeraX-BondRot: 2.0
    ChimeraX-BugReporter: 1.0
    ChimeraX-BuildStructure: 2.7
    ChimeraX-Bumps: 1.0
    ChimeraX-BundleBuilder: 1.1
    ChimeraX-ButtonPanel: 1.0
    ChimeraX-CageBuilder: 1.0
    ChimeraX-CellPack: 1.0
    ChimeraX-Centroids: 1.2
    ChimeraX-ChemGroup: 2.0
    ChimeraX-Clashes: 2.2.4
    ChimeraX-Clipper: 0.18.0
    ChimeraX-ColorActions: 1.0
    ChimeraX-ColorGlobe: 1.0
    ChimeraX-ColorKey: 1.5.1
    ChimeraX-CommandLine: 1.2.3
    ChimeraX-ConnectStructure: 2.0.1
    ChimeraX-Contacts: 1.0
    ChimeraX-Core: 1.4
    ChimeraX-CoreFormats: 1.1
    ChimeraX-coulombic: 1.3.2
    ChimeraX-Crosslinks: 1.0
    ChimeraX-Crystal: 1.0
    ChimeraX-CrystalContacts: 1.0
    ChimeraX-DataFormats: 1.2.2
    ChimeraX-Dicom: 1.1
    ChimeraX-DistMonitor: 1.1.5
    ChimeraX-Dssp: 2.0
    ChimeraX-EMDB-SFF: 1.0
    ChimeraX-ExperimentalCommands: 1.0
    ChimeraX-FileHistory: 1.0
    ChimeraX-FunctionKey: 1.0
    ChimeraX-Geometry: 1.2
    ChimeraX-gltf: 1.0
    ChimeraX-Graphics: 1.1
    ChimeraX-Hbonds: 2.1.2
    ChimeraX-Help: 1.2
    ChimeraX-HKCage: 1.3
    ChimeraX-IHM: 1.1
    ChimeraX-ImageFormats: 1.2
    ChimeraX-IMOD: 1.0
    ChimeraX-IO: 1.0.1
    ChimeraX-ISOLDE: 1.4
    ChimeraX-ItemsInspection: 1.0
    ChimeraX-Label: 1.1.1
    ChimeraX-LinuxSupport: 1.0
    ChimeraX-ListInfo: 1.1.1
    ChimeraX-Log: 1.1.5
    ChimeraX-LookingGlass: 1.1
    ChimeraX-Maestro: 1.8.1
    ChimeraX-Map: 1.1
    ChimeraX-MapData: 2.0
    ChimeraX-MapEraser: 1.0
    ChimeraX-MapFilter: 2.0
    ChimeraX-MapFit: 2.0
    ChimeraX-MapSeries: 2.1
    ChimeraX-Markers: 1.0
    ChimeraX-Mask: 1.0
    ChimeraX-MatchMaker: 2.0.6
    ChimeraX-MDcrds: 2.6
    ChimeraX-MedicalToolbar: 1.0.1
    ChimeraX-Meeting: 1.0
    ChimeraX-MLP: 1.1
    ChimeraX-mmCIF: 2.7
    ChimeraX-MMTF: 2.1
    ChimeraX-Modeller: 1.5.5
    ChimeraX-ModelPanel: 1.3.2
    ChimeraX-ModelSeries: 1.0
    ChimeraX-Mol2: 2.0
    ChimeraX-Morph: 1.0
    ChimeraX-MouseModes: 1.1
    ChimeraX-Movie: 1.0
    ChimeraX-Neuron: 1.0
    ChimeraX-Nucleotides: 2.0.2
    ChimeraX-OpenCommand: 1.9
    ChimeraX-PDB: 2.6.6
    ChimeraX-PDBBio: 1.0
    ChimeraX-PDBLibrary: 1.0.2
    ChimeraX-PDBMatrices: 1.0
    ChimeraX-PickBlobs: 1.0
    ChimeraX-Positions: 1.0
    ChimeraX-PresetMgr: 1.1
    ChimeraX-PubChem: 2.1
    ChimeraX-ReadPbonds: 1.0.1
    ChimeraX-Registration: 1.1
    ChimeraX-RemoteControl: 1.0
    ChimeraX-ResidueFit: 1.0
    ChimeraX-RestServer: 1.1
    ChimeraX-RNALayout: 1.0
    ChimeraX-RotamerLibMgr: 2.0.1
    ChimeraX-RotamerLibsDunbrack: 2.0
    ChimeraX-RotamerLibsDynameomics: 2.0
    ChimeraX-RotamerLibsRichardson: 2.0
    ChimeraX-SaveCommand: 1.5.1
    ChimeraX-SchemeMgr: 1.0
    ChimeraX-SDF: 2.0
    ChimeraX-Segger: 1.0
    ChimeraX-Segment: 1.0
    ChimeraX-SelInspector: 1.0
    ChimeraX-SeqView: 2.6
    ChimeraX-Shape: 1.0.1
    ChimeraX-Shell: 1.0
    ChimeraX-Shortcuts: 1.1
    ChimeraX-ShowAttr: 1.0
    ChimeraX-ShowSequences: 1.0
    ChimeraX-SideView: 1.0
    ChimeraX-Smiles: 2.1
    ChimeraX-SmoothLines: 1.0
    ChimeraX-SpaceNavigator: 1.0
    ChimeraX-StdCommands: 1.8
    ChimeraX-STL: 1.0
    ChimeraX-Storm: 1.0
    ChimeraX-StructMeasure: 1.0.1
    ChimeraX-Struts: 1.0.1
    ChimeraX-Surface: 1.0
    ChimeraX-SwapAA: 2.0
    ChimeraX-SwapRes: 2.1.1
    ChimeraX-TapeMeasure: 1.0
    ChimeraX-Test: 1.0
    ChimeraX-Toolbar: 1.1.1
    ChimeraX-ToolshedUtils: 1.2.1
    ChimeraX-Tug: 1.0
    ChimeraX-UI: 1.18.3
    ChimeraX-uniprot: 2.2
    ChimeraX-UnitCell: 1.0
    ChimeraX-ViewDockX: 1.1.2
    ChimeraX-VIPERdb: 1.0
    ChimeraX-Vive: 1.1
    ChimeraX-VolumeMenu: 1.0
    ChimeraX-VTK: 1.0
    ChimeraX-WavefrontOBJ: 1.0
    ChimeraX-WebCam: 1.0
    ChimeraX-WebServices: 1.1.0
    ChimeraX-Zone: 1.0
    colorama: 0.4.4
    cxservices: 1.2
    cycler: 0.11.0
    Cython: 0.29.26
    debugpy: 1.6.0
    decorator: 5.1.1
    distro: 1.6.0
    docutils: 0.17.1
    entrypoints: 0.4
    filelock: 3.4.2
    fonttools: 4.33.3
    funcparserlib: 1.0.0
    grako: 3.16.5
    h5py: 3.7.0
    html2text: 2020.1.16
    idna: 3.3
    ihm: 0.27
    imagecodecs: 2021.11.20
    imagesize: 1.3.0
    ipykernel: 6.6.1
    ipython: 7.31.1
    ipython-genutils: 0.2.0
    jedi: 0.18.1
    Jinja2: 3.0.3
    jupyter-client: 7.1.0
    jupyter-core: 4.10.0
    kiwisolver: 1.4.2
    line-profiler: 3.4.0
    lxml: 4.7.1
    lz4: 3.1.10
    MarkupSafe: 2.1.1
    matplotlib: 3.5.1
    matplotlib-inline: 0.1.3
    msgpack: 1.0.3
    nest-asyncio: 1.5.5
    netCDF4: 1.5.8
    networkx: 2.6.3
    numexpr: 2.8.1
    numpy: 1.22.1
    openvr: 1.16.802
    packaging: 21.3
    ParmEd: 3.4.3
    parso: 0.8.3
    pexpect: 4.8.0
    pickleshare: 0.7.5
    Pillow: 9.0.1
    pip: 21.3.1
    pkginfo: 1.8.2
    prompt-toolkit: 3.0.29
    psutil: 5.9.0
    ptyprocess: 0.7.0
    pycollada: 0.7.2
    pydicom: 2.2.2
    Pygments: 2.11.2
    PyOpenGL: 3.1.5
    PyOpenGL-accelerate: 3.1.5
    pyparsing: 3.0.9
    PyQt6-commercial: 6.3.0
    PyQt6-Qt6: 6.3.0
    PyQt6-sip: 13.3.1
    PyQt6-WebEngine-commercial: 6.3.0
    PyQt6-WebEngine-Qt6: 6.3.0
    python-dateutil: 2.8.2
    pytz: 2022.1
    pyzmq: 23.1.0
    qtconsole: 5.3.0
    QtPy: 2.1.0
    RandomWords: 0.3.0
    requests: 2.27.1
    scipy: 1.7.3
    setuptools: 59.8.0
    sfftk-rw: 0.7.2
    six: 1.16.0
    snowballstemmer: 2.2.0
    sortedcontainers: 2.4.0
    Sphinx: 4.3.2
    sphinx-autodoc-typehints: 1.15.2
    sphinxcontrib-applehelp: 1.0.2
    sphinxcontrib-blockdiag: 3.0.0
    sphinxcontrib-devhelp: 1.0.2
    sphinxcontrib-htmlhelp: 2.0.0
    sphinxcontrib-jsmath: 1.0.1
    sphinxcontrib-qthelp: 1.0.3
    sphinxcontrib-serializinghtml: 1.1.5
    suds-community: 1.0.0
    tables: 3.7.0
    tifffile: 2021.11.2
    tinyarray: 1.2.4
    tornado: 6.1
    traitlets: 5.1.1
    urllib3: 1.26.9
    wcwidth: 0.2.5
    webcolors: 1.11.1
    wheel: 0.37.1
    wheel-filename: 1.3.0