Second "camera stereo": buffer is None

[satyshur@…]

The following bug report has been submitted:
Platform:        Linux-3.10.0-1160.88.1.el7.x86_64-x86_64-with-glibc2.17
ChimeraX Version: 1.3 (2021-12-08 23:08:33 UTC)
Description
(Describe the actions that caused this problem to occur here)

Log:
UCSF ChimeraX version: 1.3 (2021-12-08)  
© 2016-2021 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open 6D52 format mmcif fromDatabase pdb structureFactors true

Summary of feedback from opening 6D52 fetched from pdb  
---  
notes | Resolution: 1.4280533552397077  
Reflection data provided as intensities. Performing French & Wilson scaling to
convert to amplitudes...  
  
Opened (LIVE) 2mFo-DFc as #1.1.1.2, grid size 54,60,52, pixel
0.469,0.429,0.463, shown at level 0.948, step 1, values float32  
Opened (LIVE) mFo-DFc as #1.1.1.3, grid size 54,60,52, pixel
0.469,0.429,0.463, shown at level -0.196,0.196, step 1, values float32  
Opened (LIVE) 2mFo-DFc_smooth_23 as #1.1.1.4, grid size 54,60,52, pixel
0.469,0.429,0.463, shown at level 0.58, step 1, values float32  
Opened (STATIC) pdbx_DELFWT, pdbx_DELPHWT as #1.1.1.5, grid size 54,60,52,
pixel 0.469,0.429,0.463, shown at level -0.424,0.424, step 1, values float32  
Opened (STATIC) pdbx_FWT, pdbx_PHWT as #1.1.1.6, grid size 54,60,52, pixel
0.469,0.429,0.463, shown at level -1.38,1.38, step 1, values float32  
6d52 title:  
Superoxide dismutase SodCI of Salmonella enterica serovar Typhimurium at 1.6
Angstrom resolution [more info...]  
  
Chain information for 6d52  
---  
Chain | Description | UniProt  
1.2/A 1.2/B 1.2/C 1.2/D | Superoxide dismutase [Cu-Zn] 1 | SODC1_SALT4  
  
Non-standard residues in 6d52 #1.2  
---  
CU — copper (II) ion  
ZN — zinc ion  
  
6d52 mmCIF Assemblies  
---  
1| author_and_software_defined_assembly  
2| author_and_software_defined_assembly  
  

> camera stereo

> camera mono

> hide #!1.1 models

> show #!1.1 models

> camera stereo

An error occurred in drawing the scene. Redrawing graphics is now stopped to
avoid a continuous stream of error messages. To restart graphics use the
command "graphics restart" after changing the settings that caused the error.  
  
'NoneType' object has no attribute 'opengl_buffer'  
  
Traceback (most recent call last):  
File "/programs/x86_64-linux/chimerax/1.3/libexec/UCSF-
ChimeraX/lib/python3.9/site-packages/chimerax/core/updateloop.py", line 73, in
draw_new_frame  
view.draw(check_for_changes = False)  
File "/programs/x86_64-linux/chimerax/1.3/libexec/UCSF-
ChimeraX/lib/python3.9/site-packages/chimerax/graphics/view.py", line 165, in
draw  
self._draw_scene(camera, drawings)  
File "/programs/x86_64-linux/chimerax/1.3/libexec/UCSF-
ChimeraX/lib/python3.9/site-packages/chimerax/graphics/view.py", line 235, in
_draw_scene  
draw_opaque(r, opaque_drawings)  
File "/programs/x86_64-linux/chimerax/1.3/libexec/UCSF-
ChimeraX/lib/python3.9/site-packages/chimerax/graphics/drawing.py", line 1499,
in draw_opaque  
_draw_multiple(drawings, renderer, Drawing.OPAQUE_DRAW_PASS)  
File "/programs/x86_64-linux/chimerax/1.3/libexec/UCSF-
ChimeraX/lib/python3.9/site-packages/chimerax/graphics/drawing.py", line 1512,
in _draw_multiple  
d.draw(renderer, draw_pass)  
File "/programs/x86_64-linux/chimerax/1.3/libexec/UCSF-
ChimeraX/lib/python3.9/site-packages/chimerax/graphics/drawing.py", line 752,
in draw  
self.draw_self(renderer, draw_pass)  
File "/programs/x86_64-linux/chimerax/1.3/libexec/UCSF-
ChimeraX/lib/python3.9/site-packages/chimerax/graphics/drawing.py", line 759,
in draw_self  
self._draw_geometry(renderer, opaque_only = any_transp)  
File "/programs/x86_64-linux/chimerax/1.3/libexec/UCSF-
ChimeraX/lib/python3.9/site-packages/chimerax/graphics/drawing.py", line 786,
in _draw_geometry  
ds.activate_bindings(renderer)  
File "/programs/x86_64-linux/chimerax/1.3/libexec/UCSF-
ChimeraX/lib/python3.9/site-packages/chimerax/graphics/drawing.py", line 1858,
in activate_bindings  
bi.activate()  
File "/programs/x86_64-linux/chimerax/1.3/libexec/UCSF-
ChimeraX/lib/python3.9/site-packages/chimerax/graphics/opengl.py", line 2455,
in activate  
self.bind_shader_variable(buffer)  
File "/programs/x86_64-linux/chimerax/1.3/libexec/UCSF-
ChimeraX/lib/python3.9/site-packages/chimerax/graphics/opengl.py", line 2467,
in bind_shader_variable  
buf_id = buffer.opengl_buffer  
AttributeError: 'NoneType' object has no attribute 'opengl_buffer'  
  




OpenGL version: 3.3.0 NVIDIA 340.108
OpenGL renderer: Quadro FX 3800/PCIe/SSE2
OpenGL vendor: NVIDIA Corporation
Manufacturer: Penguin Computing
Model: Niveus 4000
OS: Red Hat Enterprise Linux Workstation 7.9 Maipo
Architecture: 64bit ELF
Virutal Machine: none
CPU: 16 Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
Cache Size: 8192 KB
Memory:
	              total        used        free      shared  buff/cache   available
	Mem:            19G        4.3G        160M         84M         15G         14G
	Swap:          9.8G          0B        9.8G

Graphics:
	06:04.0 VGA compatible controller [0300]: Matrox Electronics Systems Ltd. MGA G200eW WPCM450 [102b:0532] (rev 0a)	
	Subsystem: Super Micro Computer Inc Device [15d9:0100]	
	Kernel driver in use: mgag200
Locale: ('en_US', 'UTF-8')
PyQt5 5.15.2, Qt 5.15.2
Installed Packages:
    alabaster: 0.7.12
    appdirs: 1.4.4
    Babel: 2.9.1
    backcall: 0.2.0
    blockdiag: 2.0.1
    certifi: 2021.10.8
    cftime: 1.5.1.1
    charset-normalizer: 2.0.9
    ChimeraX-AddCharge: 1.2.2
    ChimeraX-AddH: 2.1.11
    ChimeraX-AlignmentAlgorithms: 2.0
    ChimeraX-AlignmentHdrs: 3.2
    ChimeraX-AlignmentMatrices: 2.0
    ChimeraX-Alignments: 2.2.3
    ChimeraX-AlphaFold: 1.0
    ChimeraX-AltlocExplorer: 1.0.1
    ChimeraX-AmberInfo: 1.0
    ChimeraX-Arrays: 1.0
    ChimeraX-Atomic: 1.31
    ChimeraX-AtomicLibrary: 4.2
    ChimeraX-AtomSearch: 2.0
    ChimeraX-AtomSearchLibrary: 1.0
    ChimeraX-AxesPlanes: 2.0
    ChimeraX-BasicActions: 1.1
    ChimeraX-BILD: 1.0
    ChimeraX-BlastProtein: 2.0
    ChimeraX-BondRot: 2.0
    ChimeraX-BugReporter: 1.0
    ChimeraX-BuildStructure: 2.6.1
    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: 2.2.2
    ChimeraX-Clipper: 0.17.0
    ChimeraX-ColorActions: 1.0
    ChimeraX-ColorGlobe: 1.0
    ChimeraX-ColorKey: 1.5
    ChimeraX-CommandLine: 1.1.5
    ChimeraX-ConnectStructure: 2.0
    ChimeraX-Contacts: 1.0
    ChimeraX-Core: 1.3
    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: 1.0
    ChimeraX-DistMonitor: 1.1.5
    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: 1.1
    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-ItemsInspection: 1.0
    ChimeraX-Label: 1.1
    ChimeraX-LinuxSupport: 1.0
    ChimeraX-ListInfo: 1.1.1
    ChimeraX-Log: 1.1.4
    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: 2.0.4
    ChimeraX-MDcrds: 2.6
    ChimeraX-MedicalToolbar: 1.0.1
    ChimeraX-Meeting: 1.0
    ChimeraX-MLP: 1.1
    ChimeraX-mmCIF: 2.4
    ChimeraX-MMTF: 2.1
    ChimeraX-Modeller: 1.2.6
    ChimeraX-ModelPanel: 1.2.1
    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: 2.0.2
    ChimeraX-OpenCommand: 1.7
    ChimeraX-PDB: 2.6.5
    ChimeraX-PDBBio: 1.0
    ChimeraX-PDBLibrary: 1.0.2
    ChimeraX-PDBMatrices: 1.0
    ChimeraX-PickBlobs: 1.0
    ChimeraX-Positions: 1.0
    ChimeraX-PresetMgr: 1.0.1
    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
    ChimeraX-SchemeMgr: 1.0
    ChimeraX-SDF: 2.0
    ChimeraX-Segger: 1.0
    ChimeraX-Segment: 1.0
    ChimeraX-SelInspector: 1.0
    ChimeraX-SeqView: 2.4.6
    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: 1.6.1
    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: 1.1
    ChimeraX-ToolshedUtils: 1.2
    ChimeraX-Tug: 1.0
    ChimeraX-UI: 1.13.7
    ChimeraX-uniprot: 2.2
    ChimeraX-UnitCell: 1.0
    ChimeraX-ViewDockX: 1.0.1
    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: 1.0
    ChimeraX-Zone: 1.0
    colorama: 0.4.4
    cxservices: 1.1
    cycler: 0.11.0
    Cython: 0.29.24
    decorator: 5.1.0
    distro: 1.6.0
    docutils: 0.17.1
    filelock: 3.0.12
    funcparserlib: 0.3.6
    grako: 3.16.5
    h5py: 3.6.0
    html2text: 2020.1.16
    idna: 3.3
    ihm: 0.21
    imagecodecs: 2021.4.28
    imagesize: 1.3.0
    ipykernel: 5.5.5
    ipython: 7.23.1
    ipython-genutils: 0.2.0
    jedi: 0.18.0
    Jinja2: 3.0.1
    jupyter-client: 6.1.12
    jupyter-core: 4.9.1
    kiwisolver: 1.3.2
    line-profiler: 3.3.0
    lxml: 4.6.3
    lz4: 3.1.3
    MarkupSafe: 2.0.1
    matplotlib: 3.4.3
    matplotlib-inline: 0.1.3
    msgpack: 1.0.2
    netCDF4: 1.5.7
    networkx: 2.6.3
    numexpr: 2.8.0
    numpy: 1.21.2
    openvr: 1.16.801
    packaging: 21.3
    ParmEd: 3.2.0
    parso: 0.8.3
    pexpect: 4.8.0
    pickleshare: 0.7.5
    Pillow: 8.3.2
    pip: 21.2.4
    pkginfo: 1.7.1
    prompt-toolkit: 3.0.23
    psutil: 5.8.0
    ptyprocess: 0.7.0
    pycollada: 0.7.1
    pydicom: 2.1.2
    Pygments: 2.10.0
    PyOpenGL: 3.1.5
    PyOpenGL-accelerate: 3.1.5
    pyparsing: 3.0.6
    PyQt5-commercial: 5.15.2
    PyQt5-sip: 12.8.1
    PyQtWebEngine-commercial: 5.15.2
    python-dateutil: 2.8.2
    pytz: 2021.3
    pyzmq: 22.3.0
    qtconsole: 5.1.1
    QtPy: 1.11.3
    RandomWords: 0.3.0
    requests: 2.26.0
    scipy: 1.7.1
    setuptools: 57.5.0
    sfftk-rw: 0.7.1
    six: 1.16.0
    snowballstemmer: 2.2.0
    sortedcontainers: 2.4.0
    Sphinx: 4.2.0
    sphinx-autodoc-typehints: 1.12.0
    sphinxcontrib-applehelp: 1.0.2
    sphinxcontrib-blockdiag: 2.0.0
    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-jurko: 0.6
    tables: 3.6.1
    tifffile: 2021.4.8
    tinyarray: 1.2.3
    tornado: 6.1
    traitlets: 5.1.1
    urllib3: 1.26.7
    wcwidth: 0.2.5
    webcolors: 1.11.1
    wheel: 0.37.0
    wheel-filename: 1.3.0