Hello As stated, this is not supported, ymmv, .. Maybe we are just lucky our combination is not crashing on startup. Chimerax 1.7.0 and 1.7.1 for ubuntu22.04 (ucsf-chimerax_1.7.1ubuntu22.04_amd64.deb) are working fine both directly connected and remotely with DCV 2022 on debian12 x86_64. tru@nutlin:~$ uname -a Linux nutlin 6.1.0-17-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.69-1 (2023-12-30) x86_64 GNU/Linux tru@nutlin:~$ dcv version NICE DCV 2022.2 (r14521) ... tru@nutlin:~$ nvidia-smi Thu Feb 8 23:49:33 2024 +-----------------------------------------------------------------------------+ | NVIDIA-SMI 525.147.05 Driver Version: 525.147.05 CUDA Version: 12.0 | |-------------------------------+----------------------+----------------------+ | 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 RTX A6000 On | 00000000:AC:00.0 Off | Off | | 30% 41C P2 74W / 300W | 892MiB / 49140MiB | 0% Default | | | | N/A | +-------------------------------+----------------------+----------------------+ ... tru@nutlin:~$ chimerax WARNING: Replacing fetcher for 'pdb_nmr' and format NMRSTAR from NMRSTAR bundle with that from NMRSTAR bundle [2607218:7:0209/001048.104267:ERROR:command_buffer_proxy_impl.cc(125)] ContextResult::kTransientFailure: Failed to send GpuControl.CreateCommandBuffer. Data from the bug report window: OpenGL version: 4.5 (Core Profile) Mesa 22.3.6 OpenGL renderer: llvmpipe (LLVM 15.0.6, 256 bits) OpenGL vendor: Mesa/X.org Python: 3.11.2 Locale: en_US.UTF-8 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= XDG_SESSION_DESKTOP= XDG_CURRENT_DESKTOP=GNOME DCV_GL_DISPLAY=:0.0 DISPLAY=:0 Manufacturer: Dell Inc. Model: Precision 7960 Tower OS: Debian GNU/Linux 12 bookworm Architecture: 64bit ELF Virtual Machine: none CPU: 24 Intel(R) Xeon(R) w5-3423 Cache Size: 30720 KB Memory: total used free shared buff/cache available Mem: 250Gi 126Gi 7.0Gi 189Mi 119Gi 124Gi Swap: 119Gi 48Mi 119Gi Graphics: 0000:ac:00.0 VGA compatible controller [0300]: NVIDIA Corporation GA102GL [RTX A6000] [10de:2230] (rev a1) Subsystem: Dell GA102GL [RTX A6000] [1028:1459] Kernel driver in use: nvidia Installed Packages: <snip> Cheers Tru -- Tru Huynh (PhD) | mailto:tru@pasteur.fr | tel +33 1 45 68 87 37 https://research.pasteur.fr/en/team/structural-bioinformatics/ Institut Pasteur, 25-28 rue du Docteur Roux, 75724 Paris CEDEX 15 France