﻿id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	notify_on_close	platform	project
2698	"OpenGL buffer ""None"" was not deleted before core.graphics.Buffer destroyed"	chimerax-bug-report@…	Tom Goddard	"{{{
The following bug report has been submitted:
Platform:        Linux-4.4.0-170-generic-x86_64-with-debian-stretch-sid
ChimeraX Version: 0.91 (2019-06-29)
Description
(Describe the actions that caused this problem to occur here)

Log:
UCSF ChimeraX version: 0.91 (2019-06-29)  
© 2016-2019 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open /data/disk3/modeling/gp10/Figure4-20191220.cxs

Summary of feedback from opening
/data/disk3/modeling/gp10/Figure4-20191220.cxs  
---  
notes | 2 headers  
  
opened ChimeraX session  

> open /data/disk3/modeling/gp8/gp8-WCY-C12-cut-1.pdb
/data/disk3/modeling/gp8/gp8-WCY-C12-cut-2.pdb

  
  
Chain information for gp8-WCY-C12-cut-1.pdb #13.1  
---  
Chain | Description  
B D F H J L | No description available  
  
Chain information for gp8-WCY-C12-cut-2.pdb #13.2  
---  
Chain | Description  
A C E G I K | No description available  
  

> open /data/disk3/modeling/gp8/gp11-WCY-C12-cut-1.pdb
/data/disk3/modeling/gp8/gp11-WCY-C12-cut-2.pdb

  
  
Chain information for gp11-WCY-C12-cut-1.pdb #14.1  
---  
Chain | Description  
M O Q S W | No description available  
U | No description available  
  
Chain information for gp11-WCY-C12-cut-2.pdb #14.2  
---  
Chain | Description  
N P R X | No description available  
T V | No description available  
  

> lighting flat

> hide #!14 models

> show #!14 models

> hide #!14 models

> select #14

1572 atoms, 1584 bonds, 3 models selected  

> show #!14 models

> hide #!11 models

> show #!11 models

> matchmaker #14 to #11

Parameters  
---  
Chain pairing | bb  
Alignment algorithm | Needleman-Wunsch  
Similarity matrix | BLOSUM-62  
SS fraction | 0.3  
Gap open (HH/SS/other) | 18/18/6  
Gap extend | 1  
SS matrix |  |  | H | S | O  
---|---|---|---  
H | 6 | -9 | -6  
S |  | 6 | -6  
O |  |  | 4  
Iteration cutoff | 2  
  
Matchmaker gp11-WCY-C12-cut.pdb, chain Q (#11) with gp11-WCY-C12-cut-1.pdb,
chain Q (#14.1), sequence alignment score = 92.3  
RMSD between 18 pruned atom pairs is 0.000 angstroms; (across all 18 pairs:
0.000)  
  
Matchmaker gp11-WCY-C12-cut.pdb, chain N (#11) with gp11-WCY-C12-cut-2.pdb,
chain N (#14.2), sequence alignment score = 90.5  
RMSD between 18 pruned atom pairs is 0.000 angstroms; (across all 18 pairs:
0.000)  
  

> hide #!10 models

> show #!10 models

> hide #!10 models

> show #!10 models

> matchmaker #13 to #10

Parameters  
---  
Chain pairing | bb  
Alignment algorithm | Needleman-Wunsch  
Similarity matrix | BLOSUM-62  
SS fraction | 0.3  
Gap open (HH/SS/other) | 18/18/6  
Gap extend | 1  
SS matrix |  |  | H | S | O  
---|---|---|---  
H | 6 | -9 | -6  
S |  | 6 | -6  
O |  |  | 4  
Iteration cutoff | 2  
  
Matchmaker gp8_WCY-C12-cut.pdb, chain A (#10) with gp8-WCY-C12-cut-1.pdb,
chain B (#13.1), sequence alignment score = 1844.2  
RMSD between 366 pruned atom pairs is 0.000 angstroms; (across all 366 pairs:
0.000)  
  
Matchmaker gp8_WCY-C12-cut.pdb, chain A (#10) with gp8-WCY-C12-cut-2.pdb,
chain A (#13.2), sequence alignment score = 1844.2  
RMSD between 366 pruned atom pairs is 0.000 angstroms; (across all 366 pairs:
0.000)  
  

> hide #!11 models

> hide #!10 models

> show #!10 models

> hide #!10 models

> hide #!13.2 models

> hide #!13.1 models

> lighting soft

> ~select #14

Nothing selected  

> show #!13.2 models

> select #13.2

17286 atoms, 17562 bonds, 1 model selected  

> show #!13.1 models

> select #13.1

17286 atoms, 17562 bonds, 1 model selected  

> ~select #13.1

Nothing selected  

> select #13.1

17286 atoms, 17562 bonds, 1 model selected  

> ui mousemode rightMode ""rotate selected models""

> fitmap #13.1 inMap #17

Fit molecule gp8-WCY-C12-cut-1.pdb (#13.1) to map gp8-C12-clean.mrc (#17)
using 17286 atoms  
average map value = 0.01961, steps = 80  
shifted from previous position = 0.318  
rotated from previous position = 3.02 degrees  
atoms outside contour = 5072, contour level = 0.01  
  
Position of gp8-WCY-C12-cut-1.pdb (#13.1) relative to gp8-C12-clean.mrc (#17)
coordinates:  
Matrix rotation and translation  
0.00010619 -1.00000001 0.00000267 419.97678647  
1.00000001 0.00010620 0.00000468 -0.01804600  
-0.00000468 0.00000267 1.00000001 -0.01113844  
Axis -0.00000101 0.00000367 1.00000000  
Axis point 209.99741717 210.00167158 0.00000000  
Rotation angle (degrees) 89.99391536  
Shift along axis -0.01156098  
  

> hide selAtoms

> show selAtoms ribbons

> show selAtoms surfaces

> select #13.2

17286 atoms, 17562 bonds, 1 model selected  

> select #13.1

17286 atoms, 17562 bonds, 1 model selected  

> ~select #13.1

6 models selected  

> select #13.2

17286 atoms, 17562 bonds, 1 model selected  

> hide selAtoms

> show selAtoms ribbons

> show selAtoms surfaces

> lighting flat

> lighting soft

> select #14

1572 atoms, 1584 bonds, 3 models selected  

> hide selAtoms

> show selAtoms ribbons

> show selAtoms ribbons

> show selAtoms surfaces

> select clear

> save session /data/disk3/modeling/gp10/Figure4-20191221.cxs

internal error: void QXcbWindow::setNetWmStateOnUnmappedWindow() called on
mapped window  

Expected a keyword  

Expected a models specifier or a keyword  

Expected a keyword  

Expected a keyword  

> save /data/disk3/Paper-use/20191220-capsid.tif pixelSize 0.1 supersample 10
transparentBackground true

> save /data/disk3/Paper-use/20191220-capsid.tif pixelSize 0.1 supersample 10
transparentBackground true

> hide #!8.1 models

> show #!8.1 models

> hide #!14.1 models

> show #!14.1 models

> hide #!14.1 models

> show #!14.1 models

> hide #!12 models

> show #!12 models

> hide #!12 models

> show #!12 models

> hide #!12 models

> hide #!3 models

> lighting soft

> lighting flat

> lighting simple

> lighting full

> lighting full

> lighting full

> lighting flat

> lighting shadows true intensity 0.5

> lighting soft

> lighting shadows true intensity 0.5

> lighting full

> lighting flat

> lighting soft

> lighting shadows true intensity 0.5

> lighting flat

> show #!3 models

> transparency #3 80

> lighting soft

> transparency #3 70

> view name capsid1

> save /data/disk3/Paper-use/20191220-capsid.tif pixelSize 0.1 supersample 10
transparentBackground true

> hide #!3 models

> transparency #8.1 70

> transparency #9 70

> show #!3 models

> hide #!3 models

> transparency #8 70

> show #!3 models

> save /data/disk3/Paper-use/20191220-capsid-1.tif pixelSize 0.1 supersample
10 transparentBackground true

> select #8

76410 atoms, 77460 bonds, 3 models selected  

> show selAtoms surfaces

> select #9

37263 atoms, 37783 bonds, 1 model selected  

> show selAtoms surfaces

> transparency #8 30

> transparency #8.1 70

> transparency #8.1 30

> transparency #9 30

> select clear

> hide #!3 models

> save /data/disk3/Paper-use/20191220-capsid-2.tif pixelSize 0.1 supersample
10 transparentBackground true

> select #8

76410 atoms, 77460 bonds, 3 models selected  

> hide selAtoms ribbons

> select #9

37263 atoms, 37783 bonds, 1 model selected  

> hide selAtoms ribbons

> select clear

> save /data/disk3/Paper-use/20191220-capsid-2.tif pixelSize 0.1 supersample
10 transparentBackground true

> hide #!8 models

> hide #!9 models

> hide #!8.1 models

> show #!8.1 models

> hide #!8.1 models

> show #!8.1 models

> hide #!8.1 models

> show #!30 models

> hide #!30 models

> show #!24 models

> select #24

24500 atoms, 24844 bonds, 3 models selected  

> show selAtoms surfaces

> transparency #24 30

> show #!8.1 models

> show #!9 models

> transparency #8.1 30

> transparency #8.1 30

> transparency #8.1 80

> transparency #9 80

> select clear

> select clear

> select #24

24500 atoms, 24844 bonds, 3 models selected  

> show selAtoms surfaces

> ~select #24

10 models selected  

> select #24

24500 atoms, 24844 bonds, 3 models selected  

> ~select #24.1

11765 atoms, 11934 bonds, 12 models selected  

> select #24.1

12735 atoms, 12910 bonds, 1 model selected  

> show selAtoms surfaces

> show selAtoms surfaces

> hide #!24.1 models

> show #!24.1 models

> hide selAtoms

> hide selAtoms ribbons

> show selAtoms surfaces

> show selAtoms surfaces

> hide selAtoms surfaces

> hide selAtoms surfaces

> show selAtoms surfaces

> transparency #24 30

> transparency #24 50

> transparency #24 80

> select #24.2

11765 atoms, 11934 bonds, 1 model selected  

> ~select #24.2

5 models selected  

> show selAtoms surfaces

> select #12.3

2547 atoms, 2582 bonds, 1 model selected  

> ~select #12.3

1 model selected  

> select #12.3

2547 atoms, 2582 bonds, 1 model selected  

> ~select #12.3

Nothing selected  

> select #24.2

11765 atoms, 11934 bonds, 1 model selected  

> show selAtoms surfaces

> show selAtoms surfaces

> hide selAtoms ribbons

> select clear

> lighting flat

> lighting full

> lighting soft

> lighting shadows true intensity 0.5

> lighting soft

> save /data/disk3/Paper-use/20191220-capsid-3.tif pixelSize 0.1 supersample
10 transparentBackground true

> hide selAtoms surfaces

> select #8

76410 atoms, 77460 bonds, 3 models selected  

> show selAtoms ribbons

> select #9

37263 atoms, 37783 bonds, 1 model selected  

> ~select #9

Nothing selected  

> show selAtoms surfaces

> show selAtoms surfaces

> select #13

34572 atoms, 35124 bonds, 3 models selected  
Exception ignored in: <function Buffer.__del__ at 0x7f0fa1419840>  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/core/graphics/opengl.py"", line 2421, in __del__  
% self.shader_variable_name)  
chimerax.core.graphics.opengl.OpenGLError: OpenGL buffer ""None"" was not
deleted before core.graphics.Buffer destroyed  
Exception ignored in: <function Buffer.__del__ at 0x7f0fa1419840>  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/core/graphics/opengl.py"", line 2421, in __del__  
% self.shader_variable_name)  
chimerax.core.graphics.opengl.OpenGLError: OpenGL buffer ""None"" was not
deleted before core.graphics.Buffer destroyed  
Exception ignored in: <function Buffer.__del__ at 0x7f0fa1419840>  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/core/graphics/opengl.py"", line 2421, in __del__  
% self.shader_variable_name)  
chimerax.core.graphics.opengl.OpenGLError: OpenGL buffer ""None"" was not
deleted before core.graphics.Buffer destroyed  
Exception ignored in: <function Buffer.__del__ at 0x7f0fa1419840>  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/core/graphics/opengl.py"", line 2421, in __del__  
% self.shader_variable_name)  
chimerax.core.graphics.opengl.OpenGLError: OpenGL buffer ""None"" was not
deleted before core.graphics.Buffer destroyed  
Exception ignored in: <function Buffer.__del__ at 0x7f0fa1419840>  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/core/graphics/opengl.py"", line 2421, in __del__  
% self.shader_variable_name)  
chimerax.core.graphics.opengl.OpenGLError: OpenGL buffer ""None"" was not
deleted before core.graphics.Buffer destroyed  

> hide selAtoms surfaces

> select #14

1572 atoms, 1584 bonds, 3 models selected  

> hide selAtoms surfaces

> select clear

> show #!26 models

> hide #!26 models

> select #24

24500 atoms, 24844 bonds, 3 models selected  
Exception ignored in: <function Buffer.__del__ at 0x7f0fa1419840>  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/core/graphics/opengl.py"", line 2421, in __del__  
% self.shader_variable_name)  
chimerax.core.graphics.opengl.OpenGLError: OpenGL buffer ""None"" was not
deleted before core.graphics.Buffer destroyed  
Exception ignored in: <function Buffer.__del__ at 0x7f0fa1419840>  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/core/graphics/opengl.py"", line 2421, in __del__  
% self.shader_variable_name)  
chimerax.core.graphics.opengl.OpenGLError: OpenGL buffer ""None"" was not
deleted before core.graphics.Buffer destroyed  
Exception ignored in: <function Buffer.__del__ at 0x7f0fa1419840>  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/core/graphics/opengl.py"", line 2421, in __del__  
% self.shader_variable_name)  
chimerax.core.graphics.opengl.OpenGLError: OpenGL buffer ""None"" was not
deleted before core.graphics.Buffer destroyed  
Exception ignored in: <function Buffer.__del__ at 0x7f0fa1419840>  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/core/graphics/opengl.py"", line 2421, in __del__  
% self.shader_variable_name)  
chimerax.core.graphics.opengl.OpenGLError: OpenGL buffer ""None"" was not
deleted before core.graphics.Buffer destroyed  

> hide selAtoms surfaces

> show selAtoms ribbons

> select clear

> lighting soft

> hide #!8 models

> show #!8 models

> select #8

76410 atoms, 77460 bonds, 3 models selected  

> hide selAtoms ribbons

> select #9

37263 atoms, 37783 bonds, 1 model selected  

> hide selAtoms ribbons

> select clear

> lighting soft

> lighting simple

> lighting shadows true

> lighting soft

> lighting simple

> lighting shadows true

> lighting soft

> lighting simple

> select #13

34572 atoms, 35124 bonds, 3 models selected  

> show selAtoms surfaces

Exception ignored in: <function Buffer.__del__ at 0x7f0fa1419840>  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/core/graphics/opengl.py"", line 2421, in __del__  
% self.shader_variable_name)  
chimerax.core.graphics.opengl.OpenGLError: OpenGL buffer ""None"" was not
deleted before core.graphics.Buffer destroyed  

> select #14

1572 atoms, 1584 bonds, 3 models selected  

> show selAtoms ribbons

> show selAtoms surfaces

> select clear

> lighting soft

> lighting shadows true intensity 0.5

> lighting flat

> lighting full

> lighting soft

> lighting simple

> lighting simple

> lighting soft

> transparency #8.1 50

> transparency #8.1 70

> transparency #9 70

> select clear

> save /data/disk3/Paper-use/20191220-capsid-4.tif pixelSize 0.1 supersample
10 transparentBackground true

> lighting soft

> lighting shadows true intensity 0.5

> lighting shadows false

> lighting simple

> lighting soft

> lighting full

> transparency #8.1 0

> transparency #9 70

> transparency #9 0

> hide #!24 models

> hide #!24.1 models

> show #!24.1 models

> hide #!24.2 models

> hide #!24.1 models

> select #13

34572 atoms, 35124 bonds, 3 models selected  

> hide selAtoms surfaces

> show selAtoms ribbons

> select #14

1572 atoms, 1584 bonds, 3 models selected  

> hide selAtoms surfaces

> show selAtoms ribbons

> select clear

> show #!24.1 models

> show #!24.2 models

> select #24

24500 atoms, 24844 bonds, 3 models selected  

> show selAtoms surfaces

Exception ignored in: <function Buffer.__del__ at 0x7f0fa1419840>  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/core/graphics/opengl.py"", line 2421, in __del__  
% self.shader_variable_name)  
chimerax.core.graphics.opengl.OpenGLError: OpenGL buffer ""None"" was not
deleted before core.graphics.Buffer destroyed  

> hide #!9 models

> show #!9 models

> transparency #9 70

> transparency #8.1 70

> select clear

> select #9/T:75@CB

1 atom, 1 model selected  

> view capsid1

> lighting soft

> select clear

> transparency #8.1 80

> transparency #8.1 80

> transparency #9 80

> save /data/disk3/Paper-use/20191220-capsid-5.tif pixelSize 0.1 supersample
10 transparentBackground true

> show #!3 models

> hide selAtoms surfaces

> select #13

34572 atoms, 35124 bonds, 3 models selected  

> show selAtoms surfaces

> select #14

1572 atoms, 1584 bonds, 3 models selected  

> show selAtoms surfaces

> select clear

> save /data/disk3/Paper-use/20191220-capsid.tif pixelSize 0.1 supersample 10
transparentBackground true

> select #13

34572 atoms, 35124 bonds, 3 models selected  

> hide selAtoms surfaces

> hide selAtoms surfaces

> select #14

1572 atoms, 1584 bonds, 3 models selected  

> hide selAtoms surfaces

> select #24

24500 atoms, 24844 bonds, 3 models selected  

> show selAtoms surfaces

> transparency #24 80

> transparency #24 30

> hide selAtoms ribbons

> select clear

> select #24

24500 atoms, 24844 bonds, 3 models selected  

> hide selAtoms surfaces

> show selAtoms ribbons

> view capsid1

> save /data/disk3/Paper-use/20191220-capsid-1.tif pixelSize 0.1 supersample
10 transparentBackground true

> ~select #24

10 models selected  

> save /data/disk3/Paper-use/20191220-capsid-2.tif pixelSize 0.1 supersample
10 transparentBackground true

> hide #!24 models

> select #8

76410 atoms, 77460 bonds, 3 models selected  

> select #9

37263 atoms, 37783 bonds, 1 model selected  

> select #8

76410 atoms, 77460 bonds, 3 models selected  

> show selAtoms ribbons

> hide selAtoms ribbons

> show selAtoms ribbons

> select #9

37263 atoms, 37783 bonds, 1 model selected  

> show selAtoms ribbons

> hide #!8.1 models

> hide #!8 models

> select clear

> select #13

34572 atoms, 35124 bonds, 3 models selected  

> show selAtoms surfaces

> select #14

1572 atoms, 1584 bonds, 3 models selected  

> show selAtoms surfaces

> show selAtoms surfaces

> select clear

> save /data/disk3/Paper-use/20191220-capsid-3.tif pixelSize 0.1 supersample
10 transparentBackground true

> show #!8.1 models

> save /data/disk3/Paper-use/20191220-capsid-4.tif pixelSize 0.1 supersample
10 transparentBackground true

> hide #!9 models

> show #!9 models

> hide #!8.1 models

> show #!8.1 models

> hide #!9 models

> save /data/disk3/Paper-use/20191220-capsid-5.tif pixelSize 0.1 supersample
10 transparentBackground true

> show #!9 models

> hide #!8.1 models

> sequence chain #9

Chains must have same sequence  

> sequence chain #9

Chains must have same sequence  

> sequence chain #9.1

Chains must have same sequence  

> sequence chain #9

Chains must have same sequence  

Unknown command: sequencing chain #9  

> sequence chain #9

Chains must have same sequence  

Unknown command: sequence chains #9  

> view capsid1

> select #9

37263 atoms, 37783 bonds, 1 model selected  

> show selAtoms surfaces

> transparency #9 30

> view capsid1

> show #!8.1 models

> select #8.1

38205 atoms, 38730 bonds, 1 model selected  

> show selAtoms surfaces

> transparency #8.1 30

> hide #!9 models

> show #!9 models

> hide #!9 models

> select #9

37263 atoms, 37783 bonds, 1 model selected  

> show #!9 models

> ~select #9

15 models selected  

> hide selAtoms surfaces

> select #9

37263 atoms, 37783 bonds, 1 model selected  

> hide selAtoms surfaces

> hide selAtoms surfaces

> show selAtoms ribbons

> select clear

> select #9

37263 atoms, 37783 bonds, 1 model selected  

> save /data/disk3/Paper-use/20191220-capsid-6.tif pixelSize 0.1 supersample
10 transparentBackground true

> select clear

> lighting flat

> lighting simple

> lighting soft

> lighting flat

> lighting shadows true intensity 0.5

> lighting full

> lighting soft

> set silhouettes false

> lighting shadows true intensity 0.5

> select clear

> hide #!8.1 models

> show #!8.1 models

> hide #!8.1 models

> show #!8.1 models

> hide #!8.1 models

> show #!8.1 models

> select #8.1

38205 atoms, 38730 bonds, 1 model selected  

> hide selAtoms surfaces

> show selAtoms ribbons

> lighting soft

> lighting shadows true intensity 0.5

> lighting full

> ~select #8.1

15 models selected  

> select #9

37263 atoms, 37783 bonds, 1 model selected  

> select #8.1

38205 atoms, 38730 bonds, 1 model selected  

> lighting soft

> toolshed show ""Side View""

> lighting shadows true intensity 0.5

> lighting soft

> lighting full

> lighting flat

> lighting shadows true intensity 0.5

> lighting simple

> lighting shadows true

> lighting full

> lighting simple

> lighting shadows true

> select clear

> lighting shadows false

> lighting full

> lighting shadows false

> lighting full

> lighting simple

> lighting full

> lighting simple

> lighting shadows true

> lighting soft

> lighting shadows true intensity 0.5

> lighting simple

> set silhouettes false

> set silhouettes true

> lighting shadows true

> lighting shadows false

> lighting soft

> lighting shadows true intensity 0.5

> lighting soft

> lighting simple

> lighting soft

> lighting shadows true intensity 0.5

> lighting full

> lighting shadows false

> lighting simple

> lighting soft

> lighting shadows true intensity 0.5

> lighting soft

> lighting simple

> lighting simple

> lighting soft

> lighting shadows true intensity 0.5

> lighting soft

> lighting simple

> lighting soft

> lighting shadows true intensity 0.5

> lighting shadows false

> lighting flat

> lighting simple

> lighting shadows true

> lighting shadows false

> lighting shadows true

> lighting soft

> lighting soft

> transparency #9 50

> transparency #3 50

> transparency #3 50

> transparency #3 40

> transparency #3 30

> transparency #3 60

> transparency #3 40

> select #3

2 models selected  

> select clear

> lighting flat

> lighting soft

> view capsid1

> save /data/disk3/Paper-use/20191220-capsid.tif pixelSize 0.1 supersample 10
transparentBackground true

Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/sideview/tool.py"", line 116, in exposeEvent  
self.render()  
File ""/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/sideview/tool.py"", line 139, in render  
mvwin = self.view.render.use_shared_context(self, width, height)  
AttributeError: 'NoneType' object has no attribute 'use_shared_context'  
  
AttributeError: 'NoneType' object has no attribute 'use_shared_context'  
  
File ""/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/sideview/tool.py"", line 139, in render  
mvwin = self.view.render.use_shared_context(self, width, height)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/sideview/tool.py"", line 116, in exposeEvent  
self.render()  
File ""/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/sideview/tool.py"", line 139, in render  
mvwin = self.view.render.use_shared_context(self, width, height)  
AttributeError: 'NoneType' object has no attribute 'use_shared_context'  
  
AttributeError: 'NoneType' object has no attribute 'use_shared_context'  
  
File ""/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/sideview/tool.py"", line 139, in render  
mvwin = self.view.render.use_shared_context(self, width, height)  
  
See log for complete Python traceback.  
  




OpenGL version: 3.3.0 NVIDIA 384.130
OpenGL renderer: Quadro K2200/PCIe/SSE2
OpenGL vendor: NVIDIA Corporation

}}}
"	defect	closed	normal		Graphics		duplicate						all	ChimeraX
