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fix(nvidia): own /var/log/nvidia-dcgm so dcgmi diag deployment check passes

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nv-hostengine drops privileges to --service-account nvidia-dcgm for all
file I/O and writes diagnostics to DCGM_HOME_DIR (/var/log/nvidia-dcgm,
per the packaged unit's Environment=). The package postinst doesn't
reliably create/own this directory inside a live-build chroot, so
dcgmi diag's software deployment check fails with
DCGM_FR_FILE_CREATE_PERMISSIONS at boot even though every GPU passes
the actual hardware tests.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
mchus
2026-09-12 11:53:52 +03:00
co-authored by Claude Sonnet 5
parent 5190d50358
commit bbc6fb1c36
1 changed files with 11 additions and 0 deletions
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iso/builder/config/hooks/normal/9000-bee-setup.hook.chroot
+11
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@@ -46,6 +46,17 @@ if [ "$GPU_VENDOR" = "nvidia" ]; then
systemctl enable nvidia-dcgm.service 2>/dev/null || true systemctl enable nvidia-dcgm.service 2>/dev/null || true
systemctl enable nvidia-fabricmanager.service 2>/dev/null || true systemctl enable nvidia-fabricmanager.service 2>/dev/null || true
systemctl enable bee-nvidia.service systemctl enable bee-nvidia.service
# nvidia-dcgm.service runs `nv-hostengine --service-account nvidia-dcgm`,
# which drops privileges to that account for all file I/O and writes
# diagnostics to DCGM_HOME_DIR (/var/log/nvidia-dcgm, per the packaged
# unit's Environment=). The package postinst doesn't reliably create/own
# this directory inside a live-build chroot, so `dcgmi diag`'s deployment
# check fails with DCGM_FR_FILE_CREATE_PERMISSIONS at boot. Own it here
# to match nv-hostengine's actual runtime identity.
if id nvidia-dcgm >/dev/null 2>&1; then
install -d -o nvidia-dcgm -g nvidia-dcgm -m 0755 /var/log/nvidia-dcgm
fi
elif [ "$GPU_VENDOR" = "amd" ]; then elif [ "$GPU_VENDOR" = "amd" ]; then
# ROCm symlinks (packages install to /opt/rocm-*/bin/) # ROCm symlinks (packages install to /opt/rocm-*/bin/)
for tool in rocm-smi rocm-bandwidth-test rvs; do for tool in rocm-smi rocm-bandwidth-test rvs; do