Fixes for nvidia driver
This commit is contained in:
Jip-Hop
parent
063b9973ae
commit
3f05a43e9e
86
jlmkr.py
86
jlmkr.py
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@ -150,7 +150,22 @@ def start_jail(jail_name):
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'--system-call-filter=add_key keyctl bpf',
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]
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if config.get('gpu_passthrough') == '1':
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ld_so_conf_path = os.path.join(
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jail_path, JAIL_ROOTFS_NAME, 'etc/ld.so.conf.d/jlmkr-nvidia.conf')
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# TODO: make 2 additional config options:
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# gpu_passthrough_intel and gpu_passthrough_nvidia
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# gpu_passthrough == 1 will enable both (as is current behavior)
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# During create, autodetect intel/nvidia presence and ask to enable passthrough,
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# else leave them disabled (and write them to the config file)
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# No longer write gpu_passthrough setting for new jails
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# Don't ask to enable passthrough in case there are no GPU devices present
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if config.get('gpu_passthrough') != '1':
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# Try to cleanup ld_so_conf_path
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if os.path.exists(ld_so_conf_path):
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os.remove(ld_so_conf_path)
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else:
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systemd_nspawn_additional_args.append(
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'--property=DeviceAllow=char-drm rw')
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@ -173,58 +188,65 @@ def start_jail(jail_name):
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Unable to detect which nvidia driver files to mount.
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Falling back to hard-coded list of nvidia files..."""))
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for pattern in ["/dev/nvidiactl",
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"/dev/nvidia-modeset",
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for pattern in ["/dev/nvidia-modeset",
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"/dev/nvidia0",
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"/usr/lib/nvidia/current/nvidia-smi",
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"/dev/nvidiactl",
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"/usr/bin/nvidia-persistenced",
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"/usr/lib/x86_64-linux-gnu/nvidia/current/libnvidia-ml.so*",
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"/usr/lib/x86_64-linux-gnu/nvidia/current/libnvidia-cfg.so*",
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"/usr/lib/x86_64-linux-gnu/nvidia/current/libcuda.so*",
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"/usr/lib/x86_64-linux-gnu/nvidia/current/libnvidia-ptxjitcompiler.so*",
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"/usr/lib/x86_64-linux-gnu/libnvidia-ngx.so*",
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"/usr/lib/x86_64-linux-gnu/nvidia/current/libnvidia-encode.so*",
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"/usr/lib/x86_64-linux-gnu/nvidia/current/libnvcuvid.so*",
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"/usr/lib/nvidia/current/nvidia-smi",
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"/usr/lib/x86_64-linux-gnu/libnvidia-eglcore.so*",
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"/usr/lib/x86_64-linux-gnu/libnvidia-glcore.so*",
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"/usr/lib/x86_64-linux-gnu/libnvidia-tls.so*",
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"/usr/lib/x86_64-linux-gnu/libnvidia-glsi.so*",
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"/usr/lib/x86_64-linux-gnu/libnvidia-glvkspirv.so*",
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"/usr/lib/x86_64-linux-gnu/libnvidia-ngx.so*",
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"/usr/lib/x86_64-linux-gnu/libnvidia-rtcore.so*",
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"/usr/lib/x86_64-linux-gnu/libnvidia-tls.so*",
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"/usr/lib/x86_64-linux-gnu/nvidia/current/libGLX_nvidia.so*",
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"/usr/lib/x86_64-linux-gnu/libnvidia-glvkspirv.so*"]:
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"/usr/lib/x86_64-linux-gnu/nvidia/current/libcuda.so*",
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"/usr/lib/x86_64-linux-gnu/nvidia/current/libnvcuvid.so*",
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"/usr/lib/x86_64-linux-gnu/nvidia/current/libnvidia-cfg.so*",
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"/usr/lib/x86_64-linux-gnu/nvidia/current/libnvidia-encode.so*",
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"/usr/lib/x86_64-linux-gnu/nvidia/current/libnvidia-ml.so*",
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"/usr/lib/x86_64-linux-gnu/nvidia/current/libnvidia-ptxjitcompiler.so*"]:
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for file_path in glob.glob(pattern):
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if os.path.exists(file_path):
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nvidia_files.add(file_path)
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# Add libnvidia-ml.so.1 which is not listed by nvidia-container-cli, but required to run...
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nvidia_files.add('/usr/lib/x86_64-linux-gnu/libnvidia-ml.so.1')
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# Also make nvidia-smi available inside the path
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nvidia_files.add('/usr/bin/nvidia-smi')
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nvidia_mounts = []
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mounted_nvidia_smi_in_path = False
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for file_path in nvidia_files:
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if not os.path.exists(file_path):
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# Don't try to mount files not present on the host
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continue
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if file_path.startswith('/dev/'):
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nvidia_mounts.append(f"--bind={file_path}")
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else:
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nvidia_mounts.append(f"--bind-ro={file_path}")
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if (not mounted_nvidia_smi_in_path and
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os.path.basename(file_path) == 'nvidia-smi' and
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os.path.normpath(file_path) != os.path.normpath('/usr/bin/nvidia-smi')):
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# As an alternative to a symlink also bind mount nvidia-smi
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# in a directory which is available inside the path
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nvidia_mounts.append(
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f"--bind-ro={file_path}:/usr/bin/nvidia-smi")
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mounted_nvidia_smi_in_path = True
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# Check if the parent dir exists where we want to write our conf file
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if os.path.exists(os.path.dirname(ld_so_conf_path)):
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# Run ldconfig inside systemd-nspawn jail with nvidia mounts...
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subprocess.run(
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['systemd-nspawn',
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'--quiet',
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f"--machine={jail_name}",
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f"--directory={os.path.join(jail_path, JAIL_ROOTFS_NAME)}",
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*nvidia_mounts,
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"ldconfig"])
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# Only write if the conf file doesn't yet exist or has different contents
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string_to_write = '/usr/lib/x86_64-linux-gnu/nvidia/current'
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if not os.path.exists(ld_so_conf_path) or Path(ld_so_conf_path).read_text().strip() != string_to_write:
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print(string_to_write, file=open(ld_so_conf_path, 'w'))
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# Run ldconfig inside systemd-nspawn jail with nvidia mounts...
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subprocess.run(
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['systemd-nspawn',
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'--quiet',
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f"--machine={jail_name}",
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f"--directory={os.path.join(jail_path, JAIL_ROOTFS_NAME)}",
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*nvidia_mounts,
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"ldconfig"])
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else:
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eprint("""
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Unable to write the ld.so.conf.d directory inside the jail (it doesn't exist).
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Skipping call to ldconfig.
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The nvidia drivers will probably not be detected...""")
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systemd_nspawn_additional_args += nvidia_mounts
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