'close' after paused simulation: 'AtomicStructure' object has no attribute '_c_pointer_ref'

[chimerax-bug-report@…]

The following bug report has been submitted:
Platform:        Linux-5.15.0-56-generic-x86_64-with-glibc2.31
ChimeraX Version: 1.5rc202211171732 (2022-11-17 17:32:15 UTC)
Description
(Describe the actions that caused this problem to occur here)

Log:
UCSF ChimeraX version: 1.5rc202211171732 (2022-11-17)  
© 2016-2022 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open /media/hp/data/barr-peptide-complexes-Local-
> refine/C5aR1pp2-barr1-Fab30/cryosparc_P20_J124_007_volume_map_sharp_inverse.mrc

Opened cryosparc_P20_J124_007_volume_map_sharp_inverse.mrc as #1, grid size
256,256,256, pixel 1.54, shown at level 0.0915, step 1, values float32  

> preset "overall look" "publication 1 (silhouettes)"

Using preset: Overall Look / Publication 1 (Silhouettes)  
Preset expands to these ChimeraX commands:

    
    
    set bg white
    graphics silhouettes t
    lighting depthCue f

  

> surface dust #1 size 15.4

> transparency 50

> volume #1 level 0.3291

> open /media/hp/data/barr-peptide-complexes-Local-
> refine/C5aR1pp2-barr1-Fab30/C5aR1pp2-barr1-Fab30-docked-trimmed-coot-0.pdb

Chain information for C5aR1pp2-barr1-Fab30-docked-trimmed-coot-0.pdb #2  
---  
Chain | Description  
A | No description available  
B | No description available  
H | No description available  
I | No description available  
L M | No description available  
U V | No description available  
  

> hide atoms

> show cartoons

> style stick

Changed 9165 atom styles  

> cartoon style width 1

> ui tool show "Color Actions"

> color bychain

> isolde start

> set selectionWidth 4

ISOLDE: Checking and correcting nomenclature for (pseudo)symmetric side
chains...  
ISOLDE: Corrected atom nomenclature of 72 residues in model #2 to IUPAC-IUB
standards.  
Chain information for C5aR1pp2-barr1-Fab30-docked-trimmed-coot-0.pdb  
---  
Chain | Description  
2.2/A | No description available  
2.2/B | No description available  
2.2/H | No description available  
2.2/I | No description available  
2.2/L 2.2/M | No description available  
2.2/U 2.2/V | No description available  
  
ISOLDE: created disulfide bonds between the following residues:  
M24-M89; I25-I99; L24-L89; H25-H99  

> clipper associate #1 toModel #2

Opened cryosparc_P20_J124_007_volume_map_sharp_inverse.mrc as #2.1.1.1, grid
size 256,256,256, pixel 1.54, shown at step 1, values float32  

> isolde cisflip #2.2/H:106

Performing cis<\-->trans flip for 1 residues  
ISOLDE: stopped sim  

> addh #2.2

Summary of feedback from adding hydrogens to C5aR1pp2-barr1-Fab30-docked-
trimmed-coot-0.pdb #2.2  
---  
warnings | Not adding hydrogens to /A LYS 49 CB because it is missing heavy-
atom bond partners  
Not adding hydrogens to /A ARG 51 CB because it is missing heavy-atom bond
partners  
Not adding hydrogens to /A TYR 63 CB because it is missing heavy-atom bond
partners  
Not adding hydrogens to /A LEU 71 CB because it is missing heavy-atom bond
partners  
Not adding hydrogens to /A ARG 99 CB because it is missing heavy-atom bond
partners  
32 messages similar to the above omitted  
notes | No usable SEQRES records for C5aR1pp2-barr1-Fab30-docked-trimmed-
coot-0.pdb (#2.2) chain A; guessing termini instead  
No usable SEQRES records for C5aR1pp2-barr1-Fab30-docked-trimmed-coot-0.pdb
(#2.2) chain B; guessing termini instead  
No usable SEQRES records for C5aR1pp2-barr1-Fab30-docked-trimmed-coot-0.pdb
(#2.2) chain H; guessing termini instead  
No usable SEQRES records for C5aR1pp2-barr1-Fab30-docked-trimmed-coot-0.pdb
(#2.2) chain I; guessing termini instead  
No usable SEQRES records for C5aR1pp2-barr1-Fab30-docked-trimmed-coot-0.pdb
(#2.2) chain L; guessing termini instead  
3 messages similar to the above omitted  
Chain-initial residues that are actual N termini: /A ARG 7, /B ARG 7, /H VAL
5, /I VAL 5, /L SER 1, /M SER 1, /U SEP 334, /V SEP 334  
Chain-initial residues that are not actual N termini:  
Chain-final residues that are actual C termini:  
Chain-final residues that are not actual C termini: /A SER 368, /B SER 368, /H
VAL 121, /I SER 123, /L ILE 107, /M ILE 107, /U TPO 342, /V TPO 342  
797 hydrogen bonds  
/A SER 368 is not terminus, removing H atom from 'C'  
/B SER 368 is not terminus, removing H atom from 'C'  
/H VAL 121 is not terminus, removing H atom from 'C'  
/I SER 123 is not terminus, removing H atom from 'C'  
/L ILE 107 is not terminus, removing H atom from 'C'  
3 messages similar to the above omitted  
9002 hydrogens added  
  

> isolde sim start sel

ISOLDE: stopped sim  

> isolde sim start sel

ISOLDE: stopped sim  
Deleted the following atoms from residue SEP U334: O, H3, H1, H2  
Deleted the following atoms from residue SEP V334: O, H1, H2, H3  

> isolde sim start sel

ISOLDE: started sim  

> isolde sim pause

> close

Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/triggerset.py", line 134, in invoke  
return self._func(self._name, data)  
File "/home/hp/.local/share/ChimeraX/1.5/site-
packages/chimerax/isolde/ui/restraints_tab/position.py", line 118, in
_selection_changed_cb  
sel = self.isolde.selected_atoms  
File "/home/hp/.local/share/ChimeraX/1.5/site-
packages/chimerax/isolde/isolde.py", line 445, in selected_atoms  
return m.atoms[m.atoms.selecteds]  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/atomic/molc.py", line 163, in get_prop  
vcount = getattr(self, value_count)  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/atomic/molc.py", line 95, in get_prop  
cget(self._c_pointer_ref, 1, v_ref)  
AttributeError: 'AtomicStructure' object has no attribute '_c_pointer_ref'  
  
Error processing trigger "selection changed":  
AttributeError: 'AtomicStructure' object has no attribute '_c_pointer_ref'  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/atomic/molc.py", line 95, in get_prop  
cget(self._c_pointer_ref, 1, v_ref)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/triggerset.py", line 134, in invoke  
return self._func(self._name, data)  
File "/home/hp/.local/share/ChimeraX/1.5/site-
packages/chimerax/isolde/ui/restraints_tab/distance.py", line 150, in
_selection_changed_cb  
sel = self.isolde.selected_atoms  
File "/home/hp/.local/share/ChimeraX/1.5/site-
packages/chimerax/isolde/isolde.py", line 445, in selected_atoms  
return m.atoms[m.atoms.selecteds]  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/atomic/molc.py", line 163, in get_prop  
vcount = getattr(self, value_count)  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/atomic/molc.py", line 95, in get_prop  
cget(self._c_pointer_ref, 1, v_ref)  
AttributeError: 'AtomicStructure' object has no attribute '_c_pointer_ref'  
  
Error processing trigger "selection changed":  
AttributeError: 'AtomicStructure' object has no attribute '_c_pointer_ref'  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/atomic/molc.py", line 95, in get_prop  
cget(self._c_pointer_ref, 1, v_ref)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/triggerset.py", line 134, in invoke  
return self._func(self._name, data)  
File "/home/hp/.local/share/ChimeraX/1.5/site-
packages/chimerax/isolde/ui/restraints_tab/secondary_structure.py", line 79,
in _selection_changed_cb  
sel = self.isolde.selected_atoms.unique_residues  
File "/home/hp/.local/share/ChimeraX/1.5/site-
packages/chimerax/isolde/isolde.py", line 445, in selected_atoms  
return m.atoms[m.atoms.selecteds]  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/atomic/molc.py", line 163, in get_prop  
vcount = getattr(self, value_count)  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/atomic/molc.py", line 95, in get_prop  
cget(self._c_pointer_ref, 1, v_ref)  
AttributeError: 'AtomicStructure' object has no attribute '_c_pointer_ref'  
  
Error processing trigger "selection changed":  
AttributeError: 'AtomicStructure' object has no attribute '_c_pointer_ref'  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/atomic/molc.py", line 95, in get_prop  
cget(self._c_pointer_ref, 1, v_ref)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/triggerset.py", line 134, in invoke  
return self._func(self._name, data)  
File "/home/hp/.local/share/ChimeraX/1.5/site-
packages/chimerax/isolde/ui/restraints_tab/register_shift.py", line 105, in
_selection_changed_cb  
sel = self.isolde.selected_atoms  
File "/home/hp/.local/share/ChimeraX/1.5/site-
packages/chimerax/isolde/isolde.py", line 445, in selected_atoms  
return m.atoms[m.atoms.selecteds]  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/atomic/molc.py", line 163, in get_prop  
vcount = getattr(self, value_count)  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/atomic/molc.py", line 95, in get_prop  
cget(self._c_pointer_ref, 1, v_ref)  
AttributeError: 'AtomicStructure' object has no attribute '_c_pointer_ref'  
  
Error processing trigger "selection changed":  
AttributeError: 'AtomicStructure' object has no attribute '_c_pointer_ref'  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/atomic/molc.py", line 95, in get_prop  
cget(self._c_pointer_ref, 1, v_ref)  
  
See log for complete Python traceback.  
  




OpenGL version: 3.3.0 NVIDIA 470.161.03
OpenGL renderer: NVIDIA GeForce GT 730/PCIe/SSE2
OpenGL vendor: NVIDIA Corporation

Python: 3.9.11
Locale: en_IN.ISO8859-1
Qt version: PyQt6 6.3.1, Qt 6.3.1
Qt runtime version: 6.3.2
Qt platform: xcb

XDG_SESSION_TYPE=x11
DESKTOP_SESSION=ubuntu
XDG_SESSION_DESKTOP=ubuntu
XDG_CURRENT_DESKTOP=ubuntu:GNOME
DISPLAY=:1
Manufacturer: HP
Model: HP Desktop Pro G3
OS: Ubuntu 20.04 Focal Fossa
Architecture: 64bit ELF
Virtual Machine: none
CPU: 6 Intel(R) Core(TM) i5-9500 CPU @ 3.00GHz
Cache Size: 9216 KB
Memory:
	              total        used        free      shared  buff/cache   available
	Mem:           15Gi       9.7Gi       4.0Gi       256Mi       1.8Gi       5.3Gi
	Swap:         2.0Gi       1.0Gi       1.0Gi

Graphics:
	01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK208B [GeForce GT 730] [10de:1287] (rev a1)	
	Subsystem: ZOTAC International (MCO) Ltd. GK208B [GeForce GT 730] [19da:730b]	
	Kernel driver in use: nvidia

Installed Packages:
    alabaster: 0.7.12
    appdirs: 1.4.4
    asttokens: 2.1.0
    Babel: 2.11.0
    backcall: 0.2.0
    blockdiag: 3.0.0
    build: 0.8.0
    certifi: 2022.9.24
    cftime: 1.6.2
    charset-normalizer: 2.1.1
    ChimeraX-AddCharge: 1.4
    ChimeraX-AddH: 2.2.1
    ChimeraX-AlignmentAlgorithms: 2.0
    ChimeraX-AlignmentHdrs: 3.2.1
    ChimeraX-AlignmentMatrices: 2.0
    ChimeraX-Alignments: 2.6
    ChimeraX-AlphaFold: 1.0
    ChimeraX-AltlocExplorer: 1.0.3
    ChimeraX-AmberInfo: 1.0
    ChimeraX-Arrays: 1.0
    ChimeraX-Atomic: 1.41.5
    ChimeraX-AtomicLibrary: 8.0.3
    ChimeraX-AtomSearch: 2.0.1
    ChimeraX-AxesPlanes: 2.3
    ChimeraX-BasicActions: 1.1.2
    ChimeraX-BILD: 1.0
    ChimeraX-BlastProtein: 2.1.2
    ChimeraX-BondRot: 2.0.1
    ChimeraX-BugReporter: 1.0.1
    ChimeraX-BuildStructure: 2.7.1
    ChimeraX-Bumps: 1.0
    ChimeraX-BundleBuilder: 1.2
    ChimeraX-ButtonPanel: 1.0.1
    ChimeraX-CageBuilder: 1.0.1
    ChimeraX-CellPack: 1.0
    ChimeraX-Centroids: 1.3.1
    ChimeraX-ChangeChains: 1.0.2
    ChimeraX-CheckWaters: 1.3
    ChimeraX-ChemGroup: 2.0
    ChimeraX-Clashes: 2.2.4
    ChimeraX-Clipper: 0.19.0
    ChimeraX-ColorActions: 1.0.3
    ChimeraX-ColorGlobe: 1.0
    ChimeraX-ColorKey: 1.5.2
    ChimeraX-CommandLine: 1.2.4
    ChimeraX-ConnectStructure: 2.0.1
    ChimeraX-Contacts: 1.0.1
    ChimeraX-Core: 1.5rc202211171732
    ChimeraX-CoreFormats: 1.1
    ChimeraX-coulombic: 1.3.2
    ChimeraX-Crosslinks: 1.0
    ChimeraX-Crystal: 1.0
    ChimeraX-CrystalContacts: 1.0.1
    ChimeraX-DataFormats: 1.2.2
    ChimeraX-Dicom: 1.1
    ChimeraX-DistMonitor: 1.3
    ChimeraX-DockPrep: 1.0
    ChimeraX-Dssp: 2.0
    ChimeraX-EMDB-SFF: 1.0
    ChimeraX-ExperimentalCommands: 1.0
    ChimeraX-FileHistory: 1.0.1
    ChimeraX-FunctionKey: 1.0.1
    ChimeraX-Geometry: 1.2
    ChimeraX-gltf: 1.0
    ChimeraX-Graphics: 1.1
    ChimeraX-Hbonds: 2.4
    ChimeraX-Help: 1.2.1
    ChimeraX-HKCage: 1.3
    ChimeraX-IHM: 1.1
    ChimeraX-ImageFormats: 1.2
    ChimeraX-IMOD: 1.0
    ChimeraX-IO: 1.0.1
    ChimeraX-ISOLDE: 1.5
    ChimeraX-ItemsInspection: 1.0.1
    ChimeraX-Label: 1.1.7
    ChimeraX-LinuxSupport: 1.0.1
    ChimeraX-ListInfo: 1.1.1
    ChimeraX-Log: 1.1.5
    ChimeraX-LookingGlass: 1.1
    ChimeraX-Maestro: 1.8.2
    ChimeraX-Map: 1.1.2
    ChimeraX-MapData: 2.0
    ChimeraX-MapEraser: 1.0.1
    ChimeraX-MapFilter: 2.0
    ChimeraX-MapFit: 2.0
    ChimeraX-MapSeries: 2.1.1
    ChimeraX-Markers: 1.0.1
    ChimeraX-Mask: 1.0.1
    ChimeraX-MatchMaker: 2.0.9
    ChimeraX-MDcrds: 2.6
    ChimeraX-MedicalToolbar: 1.0.2
    ChimeraX-Meeting: 1.0.1
    ChimeraX-MLP: 1.1
    ChimeraX-mmCIF: 2.8
    ChimeraX-MMTF: 2.2
    ChimeraX-Modeller: 1.5.6
    ChimeraX-ModelPanel: 1.3.6
    ChimeraX-ModelSeries: 1.0.1
    ChimeraX-Mol2: 2.0
    ChimeraX-Mole: 1.0
    ChimeraX-Morph: 1.0.1
    ChimeraX-MouseModes: 1.1.1
    ChimeraX-Movie: 1.0
    ChimeraX-Neuron: 1.0
    ChimeraX-Nucleotides: 2.0.3
    ChimeraX-OpenCommand: 1.9.1
    ChimeraX-PDB: 2.6.8
    ChimeraX-PDBBio: 1.0
    ChimeraX-PDBLibrary: 1.0.2
    ChimeraX-PDBMatrices: 1.0
    ChimeraX-PickBlobs: 1.0.1
    ChimeraX-Positions: 1.0
    ChimeraX-PresetMgr: 1.1
    ChimeraX-PubChem: 2.1
    ChimeraX-ReadPbonds: 1.0.1
    ChimeraX-Registration: 1.1.1
    ChimeraX-RemoteControl: 1.0
    ChimeraX-RenumberResidues: 1.1
    ChimeraX-ResidueFit: 1.0.1
    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: 2.7.2
    ChimeraX-Shape: 1.0.1
    ChimeraX-Shell: 1.0.1
    ChimeraX-Shortcuts: 1.1.1
    ChimeraX-ShowSequences: 1.0.1
    ChimeraX-SideView: 1.0.1
    ChimeraX-Smiles: 2.1
    ChimeraX-SmoothLines: 1.0
    ChimeraX-SpaceNavigator: 1.0
    ChimeraX-StarMap: 1.1.70
    ChimeraX-StdCommands: 1.10
    ChimeraX-STL: 1.0
    ChimeraX-Storm: 1.0
    ChimeraX-StructMeasure: 1.1
    ChimeraX-Struts: 1.0.1
    ChimeraX-Surface: 1.0
    ChimeraX-SwapAA: 2.0.1
    ChimeraX-SwapRes: 2.1.3
    ChimeraX-TapeMeasure: 1.0
    ChimeraX-Test: 1.0
    ChimeraX-Toolbar: 1.1.2
    ChimeraX-ToolshedUtils: 1.2.1
    ChimeraX-Tug: 1.0.1
    ChimeraX-UI: 1.24.3
    ChimeraX-uniprot: 2.2.1
    ChimeraX-UnitCell: 1.0.1
    ChimeraX-ViewDockX: 1.1.4
    ChimeraX-VIPERdb: 1.0
    ChimeraX-Vive: 1.1
    ChimeraX-VolumeMenu: 1.0.1
    ChimeraX-VTK: 1.0
    ChimeraX-WavefrontOBJ: 1.0
    ChimeraX-WebCam: 1.0.1
    ChimeraX-WebServices: 1.1.0
    ChimeraX-Zone: 1.0.1
    colorama: 0.4.5
    cxservices: 1.2
    cycler: 0.11.0
    Cython: 0.29.32
    debugpy: 1.6.3
    decorator: 5.1.1
    distro: 1.7.0
    docutils: 0.19
    entrypoints: 0.4
    executing: 1.2.0
    filelock: 3.7.1
    fonttools: 4.38.0
    funcparserlib: 1.0.1
    grako: 3.16.5
    h5py: 3.7.0
    html2text: 2020.1.16
    idna: 3.4
    ihm: 0.33
    imagecodecs: 2022.7.31
    imagesize: 1.4.1
    importlib-metadata: 5.0.0
    ipykernel: 6.15.3
    ipython: 8.4.0
    ipython-genutils: 0.2.0
    jedi: 0.18.1
    Jinja2: 3.1.2
    jupyter-client: 7.3.4
    jupyter-core: 5.0.0
    kiwisolver: 1.4.4
    line-profiler: 3.5.1
    lxml: 4.9.1
    lz4: 4.0.2
    MarkupSafe: 2.1.1
    matplotlib: 3.5.2
    matplotlib-inline: 0.1.6
    msgpack: 1.0.4
    nest-asyncio: 1.5.6
    netCDF4: 1.6.0
    networkx: 2.8.5
    numexpr: 2.8.4
    numpy: 1.23.1
    openvr: 1.23.701
    packaging: 21.3
    ParmEd: 3.4.3
    parso: 0.8.3
    pep517: 0.13.0
    pexpect: 4.8.0
    pickleshare: 0.7.5
    Pillow: 9.2.0
    pip: 22.2.2
    pkginfo: 1.8.3
    platformdirs: 2.5.4
    prompt-toolkit: 3.0.32
    psutil: 5.9.1
    ptyprocess: 0.7.0
    pure-eval: 0.2.2
    pycollada: 0.7.2
    pydicom: 2.3.0
    Pygments: 2.12.0
    PyOpenGL: 3.1.5
    PyOpenGL-accelerate: 3.1.5
    pyparsing: 3.0.9
    PyQt6-commercial: 6.3.1
    PyQt6-Qt6: 6.3.2
    PyQt6-sip: 13.4.0
    PyQt6-WebEngine-commercial: 6.3.1
    PyQt6-WebEngine-Qt6: 6.3.2
    pyqtgraph: 0.13.1
    python-dateutil: 2.8.2
    pytz: 2022.6
    pyzmq: 24.0.1
    qtconsole: 5.3.1
    QtPy: 2.3.0
    RandomWords: 0.4.0
    requests: 2.28.1
    scipy: 1.9.0
    setuptools: 65.1.1
    sfftk-rw: 0.7.2
    six: 1.16.0
    snowballstemmer: 2.2.0
    sortedcontainers: 2.4.0
    Sphinx: 5.1.1
    sphinx-autodoc-typehints: 1.19.1
    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
    stack-data: 0.6.1
    tables: 3.7.0
    tifffile: 2022.7.31
    tinyarray: 1.2.4
    tomli: 2.0.1
    tornado: 6.2
    traitlets: 5.3.0
    urllib3: 1.26.12
    wcwidth: 0.2.5
    webcolors: 1.12
    wheel: 0.37.1
    wheel-filename: 1.4.1
    zipp: 3.10.0