Hi Chimerax Team,

Could you please assist me in making ChimeraX 1.11 work on my machine?

It was built without error from GitLab.

 ./ChimeraX --version

UCSF ChimeraX version: 1.12.dev202601140146 (2026-01-14)

© 2016-2026 Regents of the University of California.  All rights reserved.


My machine is: 

nvidia-smi      

+-----------------------------------------------------------------------------------------+

| NVIDIA-SMI 570.195.03             Driver Version: 570.195.03     CUDA Version: 12.8     |

|-----------------------------------------+------------------------+----------------------+

| GPU  Name                 Persistence-M | Bus-Id          Disp.A | Volatile Uncorr. ECC |

| Fan  Temp   Perf          Pwr:Usage/Cap |           Memory-Usage | GPU-Util  Compute M. |

|                                         |                        |               MIG M. |

|=========================================+========================+======================|

|   0  NVIDIA L4                      On  |   00000000:E5:00.0 Off |                    0 |

| N/A   36C    P8             15W /   72W |      45MiB /  23034MiB |      0%      Default |

|                                         |                        |                  N/A |

+-----------------------------------------+------------------------+----------------------+

                                                                                         

+-----------------------------------------------------------------------------------------+

| Processes:                                                                              |

|  GPU   GI   CI              PID   Type   Process name                        GPU Memory |

|        ID   ID                                                               Usage      |

|=========================================================================================|

|    0   N/A  N/A         1877027      G   /usr/libexec/Xorg                        39MiB |

+-----------------------------------------------------------------------------------------+




The window pops up, then crashes as below.


$ module load virtualgl

Loading virtualgl/2.5.0

  Loading requirement: libjpeg-turbo/1.4.2


$ vglrun ./ChimeraX


NOTE: available bundle cache has not been initialized yet

WARNING: GBM is not supported with the current configuration. Fallback to Vulkan rendering in Chromium.

[1896428:1897552:0115/140239.807851:ERROR:gl_surface_egl.cc(303)] No suitable EGL configs found.

[1896428:1897552:0115/140239.807872:ERROR:gl_context_egl.cc(159)] Failed to get config for surface 0

[1896428:1897552:0115/140239.807885:ERROR:gl_surface_egl.cc(303)] No suitable EGL configs found.

[1896428:1897552:0115/140239.807889:ERROR:gl_surface_egl.cc(1018)] No suitable EGL configs found for initialization.

[1896428:1897552:0115/140239.807892:ERROR:gpu_info_collector.cc(85)] gl::GLContext::CreateOffscreenGLSurface failed

[1896428:1897552:0115/140239.807895:ERROR:gpu_info_collector.cc(597)] Could not create surface for info collection.

[1896428:1897552:0115/140239.808002:ERROR:gl_surface_egl.cc(303)] No suitable EGL configs found.

[1896428:1897552:0115/140239.808006:ERROR:gl_surface_egl.cc(1018)] No suitable EGL configs found for initialization.

[1896428:1897552:0115/140239.808062:ERROR:gl_surface_egl.cc(303)] No suitable EGL configs found.

[1896428:1897552:0115/140239.808065:ERROR:gl_surface_egl.cc(1018)] No suitable EGL configs found for initialization.

[1896428:1897552:0115/140239.808068:ERROR:gpu_info_collector.cc(85)] gl::GLContext::CreateOffscreenGLSurface failed

[1896428:1897552:0115/140239.808070:ERROR:gpu_info_collector.cc(597)] Could not create surface for info collection.

Fatal Python error: Segmentation fault


Thread 0x00007f62af7fe640 (most recent call first):

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/ssl.py", line 1382 in do_handshake

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/ssl.py", line 1104 in _create

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/ssl.py", line 517 in wrap_socket

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/http/client.py", line 1475 in connect

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/http/client.py", line 996 in send

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/http/client.py", line 1058 in _send_output

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/http/client.py", line 1298 in endheaders

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/http/client.py", line 1349 in _send_request

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/http/client.py", line 1303 in request

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/urllib/request.py", line 1348 in do_open

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/urllib/request.py", line 1391 in https_open

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/urllib/request.py", line 496 in _call_chain

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/urllib/request.py", line 536 in _open

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/urllib/request.py", line 519 in open

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/urllib/request.py", line 216 in urlopen

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/site-packages/chimerax/core/toolshed/available.py", line 62 in load

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/site-packages/chimerax/core/toolshed/__init__.py", line 516 in reload_available

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/threading.py", line 982 in run

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/threading.py", line 1045 in _bootstrap_inner

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/threading.py", line 1002 in _bootstrap


Thread 0x00007f6378614740 (most recent call first):

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/site-packages/chimerax/ui/gui.py", line 414 in event_loop

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/site-packages/chimerax/core/__main__.py", line 1064 in init

  File "/apps/src/CHIMERAX/src/ChimeraX/ChimeraX.app/lib/python3.11/site-packages/chimerax/core/__main__.py", line 1229 in <module>

  File "<frozen runpy>", line 88 in _run_code

  File "<frozen runpy>", line 198 in _run_module_as_main


Extension modules: chimerax.arrays._arrays, numpy.core._multiarray_umath, numpy.core._multiarray_tests, numpy.linalg._umath_linalg, numpy.fft._pocketfft_internal, numpy.random._common, numpy.random.bit_generator, numpy.random._bounded_integers, numpy.random._mt19937, numpy.random.mtrand, numpy.random._philox, numpy.random._pcg64, numpy.random._sfc64, numpy.random._generator, chimerax.geometry._geometry, PyQt6.QtCore, PyQt6.QtGui, PyQt6.QtWidgets, PyQt6.QtNetwork, PyQt6.QtPrintSupport, PyQt6.QtWebChannel, PyQt6.QtWebEngineCore, PyQt6.QtWebEngineWidgets, psutil._psutil_linux, psutil._psutil_posix, chimerax.atomic_lib._load_libs, tinyarray, chimerax.atomic.cymol, chimerax.atomic.cytmpl, chimerax.map._map, chimerax.pdb_lib._load_libs, PIL._imaging, chimerax.surface._surface, OpenGL_accelerate.errorchecker, OpenGL_accelerate.wrapper, OpenGL_accelerate.formathandler, OpenGL_accelerate.arraydatatype, OpenGL_accelerate.latebind, OpenGL_accelerate.vbo, OpenGL_accelerate.numpy_formathandler, OpenGL_accelerate.nones_formathandler (total: 41)

Segmentation fault (core dumped)






Thank you so much.

Please let me know if you need more information.


Regards,
Angel


--

ANGELIKA DIBIJO
System Administrator

Monash eResearch

Monash University, Clayton Campus

M: + 61 426371313
E: angelika.dibijo@monash.edu

W: Monash-eResearch 

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