Crash adding bond in AddH

[chimerax-bug-report@…]

The following bug report has been submitted:
Platform:        Linux-5.4.0-149-generic-x86_64-with-glibc2.14
ChimeraX Version: 1.2 (2021-04-27 05:33:30 UTC)
Description
Last time you used ChimeraX it crashed.
Please describe steps that led to the crash here.
Fatal Python error: Segmentation fault

Thread 0x00007f45a83f0700 (most recent call first):
  File "/usr/lib/ucsf-chimerax/lib/python3.8/threading.py", line 306 in wait
  File "/usr/lib/ucsf-chimerax/lib/python3.8/threading.py", line 558 in wait
  File "/usr/lib/ucsf-chimerax/lib/python3.8/threading.py", line 1252 in run
  File "/usr/lib/ucsf-chimerax/lib/python3.8/threading.py", line 932 in _bootstrap_inner
  File "/usr/lib/ucsf-chimerax/lib/python3.8/threading.py", line 890 in _bootstrap

Current thread 0x00007f4691fb7740 (most recent call first):
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/atomic/molc.py", line 230 in set_c_pointer
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/atomic/molobject.py", line 80 in __init__
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/atomic/molobject.py", line 1577 in new_bond
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/atomic/struct_edit.py", line 162 in add_bond
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/atomic/struct_edit.py", line 97 in add_atom
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/addh/cmd.py", line 888 in new_hydrogen
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/addh/cmd.py", line 862 in add_altloc_hyds
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/addh/simple.py", line 105 in _alt_loc_add_hydrogens
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/addh/simple.py", line 29 in add_hydrogens
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/addh/cmd.py", line 145 in simple_add_hydrogens
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/addh/cmd.py", line 63 in cmd_addh
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/coulombic/coulombic.py", line 74 in assign_charges
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/coulombic/cmd.py", line 90 in cmd_coulombic
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/core/commands/cli.py", line 2852 in run
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/core/commands/run.py", line 36 in run
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/shortcuts/shortcuts.py", line 511 in run
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/shortcuts/shortcuts.py", line 568 in run_expanded_command
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/shortcuts/shortcuts.py", line 61 in func_plus_tip
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/shortcuts/shortcuts.py", line 326 in run
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/shortcuts/shortcuts.py", line 407 in run_shortcut
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/shortcuts/shortcuts.py", line 389 in try_shortcut
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/shortcuts/shortcuts.py", line 1333 in run_provider
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/shortcuts/__init__.py", line 52 in run_provider
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/core/toolshed/__init__.py", line 1285 in run_provider
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/core/toolshed/info.py", line 379 in run_provider
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/toolbar/tool.py", line 202 in callback
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/ui/gui.py", line 293 in event_loop
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/ChimeraX_main.py", line 866 in init
  File "/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/ChimeraX_main.py", line 1015 in 
  File "/usr/lib/ucsf-chimerax/lib/python3.8/runpy.py", line 87 in _run_code
  File "/usr/lib/ucsf-chimerax/lib/python3.8/runpy.py", line 194 in _run_module_as_main


Log:
UCSF ChimeraX version: 1.2 (2021-04-27)  
© 2016-2021 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open Cl4.pdb

Chain information for Cl4.pdb #1  
---  
Chain | Description  
a | No description available  
b | No description available  
c | No description available  
d | No description available  
e | No description available  
f | No description available  
g | No description available  
h | No description available  
i | No description available  
j | No description available  
k | No description available  
l | No description available  
m | No description available  
n | No description available  
o | No description available  
p | No description available  
q | No description available  
r | No description available  
s | No description available  
t | No description available  
u | No description available  
v | No description available  
x | No description available  
  




OpenGL version: 3.3.0 NVIDIA 450.51.05
OpenGL renderer: GeForce GTX 1070/PCIe/SSE2
OpenGL vendor: NVIDIA Corporation
Manufacturer: System manufacturer
Model: System Product Name
OS: Ubuntu 18.04 bionic
Architecture: 64bit ELF
Virutal Machine: none
CPU: 8 Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz
Cache Size: 8192 KB
Memory:
	              total        used        free      shared  buff/cache   available
	Mem:            31G         11G        6.1G        422M         14G         19G
	Swap:          2.0G        2.0M        2.0G

Graphics:
	01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GP104 [GeForce GTX 1070] [10de:1b81] (rev a1)	
	Subsystem: eVga.com. Corp. GP104 [GeForce GTX 1070] [3842:6170]	
	Kernel driver in use: nvidia
Locale: ('en_US', 'UTF-8')
PyQt5 5.15.2, Qt 5.15.2
Installed Packages:
    alabaster: 0.7.12
    appdirs: 1.4.4
    Babel: 2.9.0
    backcall: 0.2.0
    blockdiag: 2.0.1
    certifi: 2020.12.5
    cftime: 1.4.1
    chardet: 3.0.4
    ChimeraX-AddCharge: 1.0
    ChimeraX-AddH: 2.1.6
    ChimeraX-AlignmentAlgorithms: 2.0
    ChimeraX-AlignmentHdrs: 3.2
    ChimeraX-AlignmentMatrices: 2.0
    ChimeraX-Alignments: 2.1
    ChimeraX-AmberInfo: 1.0
    ChimeraX-Arrays: 1.0
    ChimeraX-Atomic: 1.13.3
    ChimeraX-AtomicLibrary: 3.1.2
    ChimeraX-AtomSearch: 2.0
    ChimeraX-AtomSearchLibrary: 1.0
    ChimeraX-AxesPlanes: 2.0
    ChimeraX-BasicActions: 1.1
    ChimeraX-BILD: 1.0
    ChimeraX-BlastProtein: 1.1
    ChimeraX-BondRot: 2.0
    ChimeraX-BugReporter: 1.0
    ChimeraX-BuildStructure: 2.5.2
    ChimeraX-Bumps: 1.0
    ChimeraX-BundleBuilder: 1.1
    ChimeraX-ButtonPanel: 1.0
    ChimeraX-CageBuilder: 1.0
    ChimeraX-CellPack: 1.0
    ChimeraX-Centroids: 1.1
    ChimeraX-ChemGroup: 2.0
    ChimeraX-Clashes: 2.1
    ChimeraX-Clipper: 0.16.0
    ChimeraX-ColorActions: 1.0
    ChimeraX-ColorGlobe: 1.0
    ChimeraX-ColorKey: 1.2.1
    ChimeraX-CommandLine: 1.1.3
    ChimeraX-ConnectStructure: 2.0
    ChimeraX-Contacts: 1.0
    ChimeraX-Core: 1.2
    ChimeraX-CoreFormats: 1.0
    ChimeraX-coulombic: 1.1.1
    ChimeraX-Crosslinks: 1.0
    ChimeraX-Crystal: 1.0
    ChimeraX-CrystalContacts: 1.0
    ChimeraX-DataFormats: 1.1
    ChimeraX-Dicom: 1.0
    ChimeraX-DistMonitor: 1.1.1
    ChimeraX-DistUI: 1.0
    ChimeraX-Dssp: 2.0
    ChimeraX-EMDB-SFF: 1.0
    ChimeraX-ExperimentalCommands: 1.0
    ChimeraX-FileHistory: 1.0
    ChimeraX-FunctionKey: 1.0
    ChimeraX-Geometry: 1.1
    ChimeraX-gltf: 1.0
    ChimeraX-Graphics: 1.0
    ChimeraX-Hbonds: 2.1
    ChimeraX-Help: 1.1
    ChimeraX-HKCage: 1.3
    ChimeraX-IHM: 1.0
    ChimeraX-ImageFormats: 1.1
    ChimeraX-IMOD: 1.0
    ChimeraX-IO: 1.0.1
    ChimeraX-ISOLDE: 1.2.2
    ChimeraX-Label: 1.0
    ChimeraX-LinuxSupport: 1.0
    ChimeraX-ListInfo: 1.1.1
    ChimeraX-Log: 1.1.2
    ChimeraX-LookingGlass: 1.1
    ChimeraX-Maestro: 1.8.1
    ChimeraX-Map: 1.0.2
    ChimeraX-MapData: 2.0
    ChimeraX-MapEraser: 1.0
    ChimeraX-MapFilter: 2.0
    ChimeraX-MapFit: 2.0
    ChimeraX-MapSeries: 2.0
    ChimeraX-Markers: 1.0
    ChimeraX-Mask: 1.0
    ChimeraX-MatchMaker: 1.2
    ChimeraX-MDcrds: 2.2
    ChimeraX-MedicalToolbar: 1.0.1
    ChimeraX-Meeting: 1.0
    ChimeraX-MLP: 1.1
    ChimeraX-mmCIF: 2.3
    ChimeraX-MMTF: 2.1
    ChimeraX-Modeller: 1.0.1
    ChimeraX-ModelPanel: 1.0.1
    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: 2.0.1
    ChimeraX-OpenCommand: 1.5
    ChimeraX-PDB: 2.4.1
    ChimeraX-PDBBio: 1.0
    ChimeraX-PDBLibrary: 1.0
    ChimeraX-PDBMatrices: 1.0
    ChimeraX-PickBlobs: 1.0
    ChimeraX-Positions: 1.0
    ChimeraX-PresetMgr: 1.0.1
    ChimeraX-PubChem: 2.0.1
    ChimeraX-ReadPbonds: 1.0
    ChimeraX-Registration: 1.1
    ChimeraX-RemoteControl: 1.0
    ChimeraX-ResidueFit: 1.0
    ChimeraX-RestServer: 1.1
    ChimeraX-RNALayout: 1.0
    ChimeraX-RotamerLibMgr: 2.0
    ChimeraX-RotamerLibsDunbrack: 2.0
    ChimeraX-RotamerLibsDynameomics: 2.0
    ChimeraX-RotamerLibsRichardson: 2.0
    ChimeraX-SaveCommand: 1.4
    ChimeraX-SchemeMgr: 1.0
    ChimeraX-SDF: 2.0
    ChimeraX-Segger: 1.0
    ChimeraX-Segment: 1.0
    ChimeraX-SeqView: 2.3
    ChimeraX-Shape: 1.0.1
    ChimeraX-Shell: 1.0
    ChimeraX-Shortcuts: 1.0
    ChimeraX-ShowAttr: 1.0
    ChimeraX-ShowSequences: 1.0
    ChimeraX-SideView: 1.0
    ChimeraX-Smiles: 2.0.1
    ChimeraX-SmoothLines: 1.0
    ChimeraX-SpaceNavigator: 1.0
    ChimeraX-StdCommands: 1.3.1
    ChimeraX-STL: 1.0
    ChimeraX-Storm: 1.0
    ChimeraX-Struts: 1.0
    ChimeraX-Surface: 1.0
    ChimeraX-SwapAA: 2.0
    ChimeraX-SwapRes: 2.1
    ChimeraX-TapeMeasure: 1.0
    ChimeraX-Test: 1.0
    ChimeraX-Toolbar: 1.0.1
    ChimeraX-ToolshedUtils: 1.2
    ChimeraX-Tug: 1.0
    ChimeraX-UI: 1.7.3
    ChimeraX-uniprot: 2.1
    ChimeraX-UnitCell: 1.0
    ChimeraX-ViewDockX: 1.0
    ChimeraX-Vive: 1.1
    ChimeraX-VolumeMenu: 1.0
    ChimeraX-VTK: 1.0
    ChimeraX-WavefrontOBJ: 1.0
    ChimeraX-WebCam: 1.0
    ChimeraX-WebServices: 1.0
    ChimeraX-Zone: 1.0
    colorama: 0.4.3
    comtypes: 1.1.7
    cxservices: 1.0
    cycler: 0.10.0
    Cython: 0.29.21
    decorator: 5.0.7
    distlib: 0.3.1
    distro: 1.5.0
    docutils: 0.16
    filelock: 3.0.12
    funcparserlib: 0.3.6
    grako: 3.16.5
    h5py: 2.10.0
    html2text: 2020.1.16
    idna: 2.10
    ihm: 0.17
    imagecodecs: 2020.5.30
    imagesize: 1.2.0
    ipykernel: 5.3.4
    ipython: 7.18.1
    ipython-genutils: 0.2.0
    jedi: 0.17.2
    Jinja2: 2.11.2
    jupyter-client: 6.1.7
    jupyter-core: 4.7.1
    kiwisolver: 1.3.1
    line-profiler: 2.1.2
    lxml: 4.6.2
    lz4: 3.1.0
    MarkupSafe: 1.1.1
    matplotlib: 3.3.2
    msgpack: 1.0.0
    netCDF4: 1.5.4
    networkx: 2.5
    numexpr: 2.7.3
    numpy: 1.19.2
    numpydoc: 1.1.0
    openvr: 1.14.1501
    packaging: 20.9
    ParmEd: 3.2.0
    parso: 0.7.1
    pexpect: 4.8.0
    pickleshare: 0.7.5
    Pillow: 7.2.0
    pip: 21.0.1
    pkginfo: 1.5.0.1
    prompt-toolkit: 3.0.18
    psutil: 5.7.2
    ptyprocess: 0.7.0
    pycollada: 0.7.1
    pydicom: 2.0.0
    Pygments: 2.7.1
    PyOpenGL: 3.1.5
    PyOpenGL-accelerate: 3.1.5
    pyparsing: 2.4.7
    PyQt5-commercial: 5.15.2
    PyQt5-sip: 12.8.1
    PyQtWebEngine-commercial: 5.15.2
    python-dateutil: 2.8.1
    pytz: 2021.1
    pyzmq: 22.0.3
    qtconsole: 4.7.7
    QtPy: 1.9.0
    RandomWords: 0.3.0
    requests: 2.24.0
    scipy: 1.5.2
    setuptools: 50.3.2
    sfftk-rw: 0.6.7.dev1
    six: 1.15.0
    snowballstemmer: 2.1.0
    sortedcontainers: 2.2.2
    Sphinx: 3.2.1
    sphinxcontrib-applehelp: 1.0.2
    sphinxcontrib-blockdiag: 2.0.0
    sphinxcontrib-devhelp: 1.0.2
    sphinxcontrib-htmlhelp: 1.0.3
    sphinxcontrib-jsmath: 1.0.1
    sphinxcontrib-qthelp: 1.0.3
    sphinxcontrib-serializinghtml: 1.1.4
    suds-jurko: 0.6
    tables: 3.6.1
    tifffile: 2020.9.3
    tinyarray: 1.2.3
    tornado: 6.1
    traitlets: 5.0.5
    urllib3: 1.25.11
    wcwidth: 0.2.5
    webcolors: 1.11.1
    wheel: 0.36.0
    wheel-filename: 1.2.0