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@alexeldeib
Last active August 3, 2023 20:59
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AKS Nvidia cgroupv2 repro
export GROUP=ace-mig
export NAME=ace-mig
export LOCATION=eastus
az group create -g "${GROUP}" -l ${LOCATION}
# create a cluster with a default pool with some typical parameters.
# not really relevant.
# only key piece is use k8s version >= 1.25.0 for Ubuntu 22.04 with cgroupv2.
# can check available versions with
# az aks get-versions -l eastus -o table
az aks create --generate-ssh-keys -g $GROUP -n "${NAME}" -l $LOCATION --node-vm-size Standard_D4ads_v5 -c 2 -k 1.26.3 --vm-set-type VirtualMachineScaleSets --load-balancer-sku Standard --node-osdisk-type Managed --node-osdisk-size 512 --enable-managed-identity --network-plugin kubenet
# grab the kubeconfig
az aks get-credentials -g $GROUP -n $NAME
# create a gpu pool. I used this size, any would apply.
az aks nodepool add -g "$GROUP" --cluster-name "$NAME" -n nca100 --node-osdisk-type Managed --node-osdisk-size 512 --node-vm-size Standard_NC24ads_A100_v4 -c 1
# install the nvidia device plugin
kubectl apply -f https://raw.githubusercontent.com/NVIDIA/k8s-device-plugin/main/deployments/static/nvidia-device-plugin-compat-with-cpumanager.yml
# my nodes, as reference
# kubectl get node
# NAME STATUS ROLES AGE VERSION
# aks-nca100-36400834-vmss000000 Ready agent 58m v1.26.3
# aks-nodepool1-32772828-vmss000000 Ready agent 64m v1.26.3
# aks-nodepool1-32772828-vmss000001 Ready agent 64m v1.26.3
# ssh OR nsenter node using node-shell + privileged pod
# tried both to eliminate any container mount issues.
# same behavior
# https://github.com/kvaps/kubectl-node-shell
kubectl node-shell aks-nca100-36400834-vmss000000
# now in node as root, via node-shell or separately via SSH
nvidia-ctk system create-dev-char-symlinks --create-all
# in a separate shell:
# write out the test manifest
tee nvidia-smi-loop.yaml > /dev/null <<'EOF'
apiVersion: v1
kind: Pod
metadata:
name: cuda-nvidia-smi-loop
spec:
restartPolicy: OnFailure
containers:
- name: cuda
image: "nvcr.io/nvidia/cuda:12.0.0-base-ubuntu20.04"
command: ["/bin/sh", "-c"]
args: ["while true; do nvidia-smi -L; sleep 5; done"]
resources:
limits:
nvidia.com/gpu: 1
EOF
# deploy the test pod
kubectl apply -f nvidia-smi-loop.yaml
# back in node-shell, trigger the issue
systemctl daemon-reload
kubectl logs -f cuda-nvidia-smi-loop
# GPU 0: NVIDIA A100 80GB PCIe (UUID: GPU-0451fe54-e0a1-36c5-eeb5-19025f49663e)
# GPU 0: NVIDIA A100 80GB PCIe (UUID: GPU-0451fe54-e0a1-36c5-eeb5-19025f49663e)
# GPU 0: NVIDIA A100 80GB PCIe (UUID: GPU-0451fe54-e0a1-36c5-eeb5-19025f49663e)
# GPU 0: NVIDIA A100 80GB PCIe (UUID: GPU-0451fe54-e0a1-36c5-eeb5-19025f49663e)
# Failed to initialize NVML: Unknown Error
# Failed to initialize NVML: Unknown Error
# output of nvidia-ctk was notably different on first/second repros
# first attempt created /dev/char/234:foo and friends
# second attempt created /dev/char/235:foo and friends
# INFO[0000] Creating link /dev/char/195:254 => /dev/nvidia-modeset
# INFO[0000] Creating link /dev/char/195:255 => /dev/nvidiactl
# INFO[0000] Creating link /dev/char/509:0 => /dev/nvidia-uvm
# INFO[0000] Creating link /dev/char/509:1 => /dev/nvidia-uvm-tools
# INFO[0000] Creating link /dev/char/234:1 => /dev/nvidia-caps/nvidia-cap1
# INFO[0000] Creating link /dev/char/234:2 => /dev/nvidia-caps/nvidia-cap2
# INFO[0000] Creating link /dev/char/195:0 => /dev/nvidia0
# INFO[0000] Creating link /dev/char/234:3 => /dev/nvidia-caps/nvidia-cap3
# INFO[0000] Creating link /dev/char/234:4 => /dev/nvidia-caps/nvidia-cap4
# INFO[0000] Creating link /dev/char/234:5 => /dev/nvidia-caps/nvidia-cap5
# INFO[0000] Creating link /dev/char/234:6 => /dev/nvidia-caps/nvidia-cap6
# INFO[0000] Creating link /dev/char/234:7 => /dev/nvidia-caps/nvidia-cap7
# INFO[0000] Creating link /dev/char/234:8 => /dev/nvidia-caps/nvidia-cap8
# INFO[0000] Creating link /dev/char/234:9 => /dev/nvidia-caps/nvidia-cap9
# INFO[0000] Creating link /dev/char/234:10 => /dev/nvidia-caps/nvidia-cap10
# INFO[0000] Creating link /dev/char/234:11 => /dev/nvidia-caps/nvidia-cap11
# INFO[0000] Creating link /dev/char/234:12 => /dev/nvidia-caps/nvidia-cap12
# INFO[0000] Creating link /dev/char/234:13 => /dev/nvidia-caps/nvidia-cap13
# INFO[0000] Creating link /dev/char/234:14 => /dev/nvidia-caps/nvidia-cap14
# INFO[0000] Creating link /dev/char/234:15 => /dev/nvidia-caps/nvidia-cap15
# INFO[0000] Creating link /dev/char/234:16 => /dev/nvidia-caps/nvidia-cap16
# INFO[0000] Creating link /dev/char/234:17 => /dev/nvidia-caps/nvidia-cap17
# INFO[0000] Creating link /dev/char/234:18 => /dev/nvidia-caps/nvidia-cap18
# INFO[0000] Creating link /dev/char/234:19 => /dev/nvidia-caps/nvidia-cap19
# INFO[0000] Creating link /dev/char/234:20 => /dev/nvidia-caps/nvidia-cap20
# INFO[0000] Creating link /dev/char/234:21 => /dev/nvidia-caps/nvidia-cap21
# INFO[0000] Creating link /dev/char/234:22 => /dev/nvidia-caps/nvidia-cap22
# INFO[0000] Creating link /dev/char/234:23 => /dev/nvidia-caps/nvidia-cap23
# INFO[0000] Creating link /dev/char/234:24 => /dev/nvidia-caps/nvidia-cap24
# INFO[0000] Creating link /dev/char/234:25 => /dev/nvidia-caps/nvidia-cap25
# INFO[0000] Creating link /dev/char/234:26 => /dev/nvidia-caps/nvidia-cap26
# INFO[0000] Creating link /dev/char/234:27 => /dev/nvidia-caps/nvidia-cap27
# INFO[0000] Creating link /dev/char/234:28 => /dev/nvidia-caps/nvidia-cap28
# INFO[0000] Creating link /dev/char/234:29 => /dev/nvidia-caps/nvidia-cap29
# INFO[0000] Creating link /dev/char/234:30 => /dev/nvidia-caps/nvidia-cap30
# INFO[0000] Creating link /dev/char/234:31 => /dev/nvidia-caps/nvidia-cap31
# INFO[0000] Creating link /dev/char/234:32 => /dev/nvidia-caps/nvidia-cap32
# INFO[0000] Creating link /dev/char/234:33 => /dev/nvidia-caps/nvidia-cap33
# INFO[0000] Creating link /dev/char/234:34 => /dev/nvidia-caps/nvidia-cap34
# INFO[0000] Creating link /dev/char/234:35 => /dev/nvidia-caps/nvidia-cap35
# INFO[0000] Creating link /dev/char/234:36 => /dev/nvidia-caps/nvidia-cap36
# INFO[0000] Creating link /dev/char/234:37 => /dev/nvidia-caps/nvidia-cap37
# INFO[0000] Creating link /dev/char/234:38 => /dev/nvidia-caps/nvidia-cap38
# INFO[0000] Creating link /dev/char/234:39 => /dev/nvidia-caps/nvidia-cap39
# INFO[0000] Creating link /dev/char/234:40 => /dev/nvidia-caps/nvidia-cap40
# INFO[0000] Creating link /dev/char/234:41 => /dev/nvidia-caps/nvidia-cap41
# INFO[0000] Creating link /dev/char/234:42 => /dev/nvidia-caps/nvidia-cap42
# INFO[0000] Creating link /dev/char/234:43 => /dev/nvidia-caps/nvidia-cap43
# INFO[0000] Creating link /dev/char/234:44 => /dev/nvidia-caps/nvidia-cap44
# INFO[0000] Creating link /dev/char/234:45 => /dev/nvidia-caps/nvidia-cap45
# INFO[0000] Creating link /dev/char/234:46 => /dev/nvidia-caps/nvidia-cap46
# INFO[0000] Creating link /dev/char/234:47 => /dev/nvidia-caps/nvidia-cap47
# INFO[0000] Creating link /dev/char/234:48 => /dev/nvidia-caps/nvidia-cap48
# INFO[0000] Creating link /dev/char/234:49 => /dev/nvidia-caps/nvidia-cap49
# INFO[0000] Creating link /dev/char/234:50 => /dev/nvidia-caps/nvidia-cap50
# INFO[0000] Creating link /dev/char/234:51 => /dev/nvidia-caps/nvidia-cap51
# INFO[0000] Creating link /dev/char/234:52 => /dev/nvidia-caps/nvidia-cap52
# INFO[0000] Creating link /dev/char/234:53 => /dev/nvidia-caps/nvidia-cap53
# INFO[0000] Creating link /dev/char/234:54 => /dev/nvidia-caps/nvidia-cap54
# INFO[0000] Creating link /dev/char/234:55 => /dev/nvidia-caps/nvidia-cap55
# INFO[0000] Creating link /dev/char/234:56 => /dev/nvidia-caps/nvidia-cap56
# INFO[0000] Creating link /dev/char/234:57 => /dev/nvidia-caps/nvidia-cap57
# INFO[0000] Creating link /dev/char/234:58 => /dev/nvidia-caps/nvidia-cap58
# INFO[0000] Creating link /dev/char/234:59 => /dev/nvidia-caps/nvidia-cap59
# INFO[0000] Creating link /dev/char/234:60 => /dev/nvidia-caps/nvidia-cap60
# INFO[0000] Creating link /dev/char/234:61 => /dev/nvidia-caps/nvidia-cap61
# INFO[0000] Creating link /dev/char/234:62 => /dev/nvidia-caps/nvidia-cap62
# INFO[0000] Creating link /dev/char/234:63 => /dev/nvidia-caps/nvidia-cap63
# INFO[0000] Creating link /dev/char/234:64 => /dev/nvidia-caps/nvidia-cap64
# INFO[0000] Creating link /dev/char/234:65 => /dev/nvidia-caps/nvidia-cap65
# INFO[0000] Creating link /dev/char/234:66 => /dev/nvidia-caps/nvidia-cap66
# INFO[0000] Creating link /dev/char/234:67 => /dev/nvidia-caps/nvidia-cap67
# INFO[0000] Creating link /dev/char/234:68 => /dev/nvidia-caps/nvidia-cap68
# INFO[0000] Creating link /dev/char/234:69 => /dev/nvidia-caps/nvidia-cap69
# INFO[0000] Creating link /dev/char/234:70 => /dev/nvidia-caps/nvidia-cap70
# INFO[0000] Creating link /dev/char/234:71 => /dev/nvidia-caps/nvidia-cap71
# INFO[0000] Creating link /dev/char/234:72 => /dev/nvidia-caps/nvidia-cap72
# INFO[0000] Creating link /dev/char/234:73 => /dev/nvidia-caps/nvidia-cap73
# INFO[0000] Creating link /dev/char/234:74 => /dev/nvidia-caps/nvidia-cap74
# INFO[0000] Creating link /dev/char/234:75 => /dev/nvidia-caps/nvidia-cap75
# INFO[0000] Creating link /dev/char/234:76 => /dev/nvidia-caps/nvidia-cap76
# INFO[0000] Creating link /dev/char/234:77 => /dev/nvidia-caps/nvidia-cap77
# INFO[0000] Creating link /dev/char/234:78 => /dev/nvidia-caps/nvidia-cap78
# INFO[0000] Creating link /dev/char/234:79 => /dev/nvidia-caps/nvidia-cap79
# INFO[0000] Creating link /dev/char/234:80 => /dev/nvidia-caps/nvidia-cap80
# INFO[0000] Creating link /dev/char/234:81 => /dev/nvidia-caps/nvidia-cap81
# INFO[0000] Creating link /dev/char/234:82 => /dev/nvidia-caps/nvidia-cap82
# INFO[0000] Creating link /dev/char/234:83 => /dev/nvidia-caps/nvidia-cap83
# INFO[0000] Creating link /dev/char/234:84 => /dev/nvidia-caps/nvidia-cap84
# INFO[0000] Creating link /dev/char/234:85 => /dev/nvidia-caps/nvidia-cap85
# INFO[0000] Creating link /dev/char/234:86 => /dev/nvidia-caps/nvidia-cap86
# INFO[0000] Creating link /dev/char/234:87 => /dev/nvidia-caps/nvidia-cap87
# INFO[0000] Creating link /dev/char/234:88 => /dev/nvidia-caps/nvidia-cap88
# INFO[0000] Creating link /dev/char/234:89 => /dev/nvidia-caps/nvidia-cap89
# INFO[0000] Creating link /dev/char/234:90 => /dev/nvidia-caps/nvidia-cap90
# INFO[0000] Creating link /dev/char/234:91 => /dev/nvidia-caps/nvidia-cap91
# INFO[0000] Creating link /dev/char/234:92 => /dev/nvidia-caps/nvidia-cap92
# INFO[0000] Creating link /dev/char/234:93 => /dev/nvidia-caps/nvidia-cap93
# INFO[0000] Creating link /dev/char/234:94 => /dev/nvidia-caps/nvidia-cap94
# INFO[0000] Creating link /dev/char/234:95 => /dev/nvidia-caps/nvidia-cap95
# INFO[0000] Creating link /dev/char/234:96 => /dev/nvidia-caps/nvidia-cap96
# INFO[0000] Creating link /dev/char/234:97 => /dev/nvidia-caps/nvidia-cap97
# INFO[0000] Creating link /dev/char/234:98 => /dev/nvidia-caps/nvidia-cap98
# INFO[0000] Creating link /dev/char/234:99 => /dev/nvidia-caps/nvidia-cap99
# INFO[0000] Creating link /dev/char/234:100 => /dev/nvidia-caps/nvidia-cap100
# INFO[0000] Creating link /dev/char/234:101 => /dev/nvidia-caps/nvidia-cap101
# INFO[0000] Creating link /dev/char/234:102 => /dev/nvidia-caps/nvidia-cap102
# INFO[0000] Creating link /dev/char/234:103 => /dev/nvidia-caps/nvidia-cap103
# INFO[0000] Creating link /dev/char/234:104 => /dev/nvidia-caps/nvidia-cap104
# INFO[0000] Creating link /dev/char/234:105 => /dev/nvidia-caps/nvidia-cap105
# INFO[0000] Creating link /dev/char/234:106 => /dev/nvidia-caps/nvidia-cap106
# INFO[0000] Creating link /dev/char/234:107 => /dev/nvidia-caps/nvidia-cap107
# INFO[0000] Creating link /dev/char/234:108 => /dev/nvidia-caps/nvidia-cap108
# INFO[0000] Creating link /dev/char/234:109 => /dev/nvidia-caps/nvidia-cap109
# INFO[0000] Creating link /dev/char/234:110 => /dev/nvidia-caps/nvidia-cap110
# INFO[0000] Creating link /dev/char/234:111 => /dev/nvidia-caps/nvidia-cap111
# INFO[0000] Creating link /dev/char/234:112 => /dev/nvidia-caps/nvidia-cap112
# INFO[0000] Creating link /dev/char/234:113 => /dev/nvidia-caps/nvidia-cap113
# INFO[0000] Creating link /dev/char/234:114 => /dev/nvidia-caps/nvidia-cap114
# INFO[0000] Creating link /dev/char/234:115 => /dev/nvidia-caps/nvidia-cap115
# INFO[0000] Creating link /dev/char/234:116 => /dev/nvidia-caps/nvidia-cap116
# INFO[0000] Creating link /dev/char/234:117 => /dev/nvidia-caps/nvidia-cap117
# INFO[0000] Creating link /dev/char/234:118 => /dev/nvidia-caps/nvidia-cap118
# INFO[0000] Creating link /dev/char/234:119 => /dev/nvidia-caps/nvidia-cap119
# INFO[0000] Creating link /dev/char/234:120 => /dev/nvidia-caps/nvidia-cap120
# INFO[0000] Creating link /dev/char/234:121 => /dev/nvidia-caps/nvidia-cap121
# INFO[0000] Creating link /dev/char/234:122 => /dev/nvidia-caps/nvidia-cap122
# INFO[0000] Creating link /dev/char/234:123 => /dev/nvidia-caps/nvidia-cap123
# INFO[0000] Creating link /dev/char/234:124 => /dev/nvidia-caps/nvidia-cap124
# INFO[0000] Creating link /dev/char/234:125 => /dev/nvidia-caps/nvidia-cap125
# INFO[0000] Creating link /dev/char/234:126 => /dev/nvidia-caps/nvidia-cap126
# INFO[0000] Creating link /dev/char/234:127 => /dev/nvidia-caps/nvidia-cap127
# INFO[0000] Creating link /dev/char/234:128 => /dev/nvidia-caps/nvidia-cap128
# INFO[0000] Creating link /dev/char/234:129 => /dev/nvidia-caps/nvidia-cap129
# INFO[0000] Creating link /dev/char/234:130 => /dev/nvidia-caps/nvidia-cap130
# INFO[0000] Creating link /dev/char/234:131 => /dev/nvidia-caps/nvidia-cap131
# INFO[0000] Creating link /dev/char/234:132 => /dev/nvidia-caps/nvidia-cap132
# INFO[0000] Creating link /dev/char/234:133 => /dev/nvidia-caps/nvidia-cap133
# INFO[0000] Creating link /dev/char/234:134 => /dev/nvidia-caps/nvidia-cap134
# INFO[0000] Creating link /dev/char/234:135 => /dev/nvidia-caps/nvidia-cap135
# INFO[0000] Creating link /dev/char/234:136 => /dev/nvidia-caps/nvidia-cap136
# INFO[0000] Creating link /dev/char/234:137 => /dev/nvidia-caps/nvidia-cap137
# second run
root@aks-nca100-36400834-vmss000000:~# nvidia-ctk system create-dev-char-symlinks --create-all
# INFO[0000] Creating link /dev/char/195:254 => /dev/nvidia-modeset
# INFO[0000] Creating link /dev/char/195:255 => /dev/nvidiactl
# INFO[0000] Creating link /dev/char/509:0 => /dev/nvidia-uvm
# INFO[0000] Creating link /dev/char/509:1 => /dev/nvidia-uvm-tools
# INFO[0000] Creating link /dev/char/235:1 => /dev/nvidia-caps/nvidia-cap1
# INFO[0000] Creating link /dev/char/235:2 => /dev/nvidia-caps/nvidia-cap2
# INFO[0000] Creating link /dev/char/195:0 => /dev/nvidia0
# INFO[0000] Creating link /dev/char/235:3 => /dev/nvidia-caps/nvidia-cap3
# INFO[0000] Creating link /dev/char/235:4 => /dev/nvidia-caps/nvidia-cap4
# INFO[0000] Creating link /dev/char/235:5 => /dev/nvidia-caps/nvidia-cap5
# INFO[0000] Creating link /dev/char/235:6 => /dev/nvidia-caps/nvidia-cap6
# INFO[0000] Creating link /dev/char/235:7 => /dev/nvidia-caps/nvidia-cap7
# INFO[0000] Creating link /dev/char/235:8 => /dev/nvidia-caps/nvidia-cap8
# INFO[0000] Creating link /dev/char/235:9 => /dev/nvidia-caps/nvidia-cap9
# INFO[0000] Creating link /dev/char/235:10 => /dev/nvidia-caps/nvidia-cap10
# INFO[0000] Creating link /dev/char/235:11 => /dev/nvidia-caps/nvidia-cap11
# INFO[0000] Creating link /dev/char/235:12 => /dev/nvidia-caps/nvidia-cap12
# INFO[0000] Creating link /dev/char/235:13 => /dev/nvidia-caps/nvidia-cap13
# INFO[0000] Creating link /dev/char/235:14 => /dev/nvidia-caps/nvidia-cap14
# INFO[0000] Creating link /dev/char/235:15 => /dev/nvidia-caps/nvidia-cap15
# INFO[0000] Creating link /dev/char/235:16 => /dev/nvidia-caps/nvidia-cap16
# INFO[0000] Creating link /dev/char/235:17 => /dev/nvidia-caps/nvidia-cap17
# INFO[0000] Creating link /dev/char/235:18 => /dev/nvidia-caps/nvidia-cap18
# INFO[0000] Creating link /dev/char/235:19 => /dev/nvidia-caps/nvidia-cap19
# INFO[0000] Creating link /dev/char/235:20 => /dev/nvidia-caps/nvidia-cap20
# INFO[0000] Creating link /dev/char/235:21 => /dev/nvidia-caps/nvidia-cap21
# INFO[0000] Creating link /dev/char/235:22 => /dev/nvidia-caps/nvidia-cap22
# INFO[0000] Creating link /dev/char/235:23 => /dev/nvidia-caps/nvidia-cap23
# INFO[0000] Creating link /dev/char/235:24 => /dev/nvidia-caps/nvidia-cap24
# INFO[0000] Creating link /dev/char/235:25 => /dev/nvidia-caps/nvidia-cap25
# INFO[0000] Creating link /dev/char/235:26 => /dev/nvidia-caps/nvidia-cap26
# INFO[0000] Creating link /dev/char/235:27 => /dev/nvidia-caps/nvidia-cap27
# INFO[0000] Creating link /dev/char/235:28 => /dev/nvidia-caps/nvidia-cap28
# INFO[0000] Creating link /dev/char/235:29 => /dev/nvidia-caps/nvidia-cap29
# INFO[0000] Creating link /dev/char/235:30 => /dev/nvidia-caps/nvidia-cap30
# INFO[0000] Creating link /dev/char/235:31 => /dev/nvidia-caps/nvidia-cap31
# INFO[0000] Creating link /dev/char/235:32 => /dev/nvidia-caps/nvidia-cap32
# INFO[0000] Creating link /dev/char/235:33 => /dev/nvidia-caps/nvidia-cap33
# INFO[0000] Creating link /dev/char/235:34 => /dev/nvidia-caps/nvidia-cap34
# INFO[0000] Creating link /dev/char/235:35 => /dev/nvidia-caps/nvidia-cap35
# INFO[0000] Creating link /dev/char/235:36 => /dev/nvidia-caps/nvidia-cap36
# INFO[0000] Creating link /dev/char/235:37 => /dev/nvidia-caps/nvidia-cap37
# INFO[0000] Creating link /dev/char/235:38 => /dev/nvidia-caps/nvidia-cap38
# INFO[0000] Creating link /dev/char/235:39 => /dev/nvidia-caps/nvidia-cap39
# INFO[0000] Creating link /dev/char/235:40 => /dev/nvidia-caps/nvidia-cap40
# INFO[0000] Creating link /dev/char/235:41 => /dev/nvidia-caps/nvidia-cap41
# INFO[0000] Creating link /dev/char/235:42 => /dev/nvidia-caps/nvidia-cap42
# INFO[0000] Creating link /dev/char/235:43 => /dev/nvidia-caps/nvidia-cap43
# INFO[0000] Creating link /dev/char/235:44 => /dev/nvidia-caps/nvidia-cap44
# INFO[0000] Creating link /dev/char/235:45 => /dev/nvidia-caps/nvidia-cap45
# INFO[0000] Creating link /dev/char/235:46 => /dev/nvidia-caps/nvidia-cap46
# INFO[0000] Creating link /dev/char/235:47 => /dev/nvidia-caps/nvidia-cap47
# INFO[0000] Creating link /dev/char/235:48 => /dev/nvidia-caps/nvidia-cap48
# INFO[0000] Creating link /dev/char/235:49 => /dev/nvidia-caps/nvidia-cap49
# INFO[0000] Creating link /dev/char/235:50 => /dev/nvidia-caps/nvidia-cap50
# INFO[0000] Creating link /dev/char/235:51 => /dev/nvidia-caps/nvidia-cap51
# INFO[0000] Creating link /dev/char/235:52 => /dev/nvidia-caps/nvidia-cap52
# INFO[0000] Creating link /dev/char/235:53 => /dev/nvidia-caps/nvidia-cap53
# INFO[0000] Creating link /dev/char/235:54 => /dev/nvidia-caps/nvidia-cap54
# INFO[0000] Creating link /dev/char/235:55 => /dev/nvidia-caps/nvidia-cap55
# INFO[0000] Creating link /dev/char/235:56 => /dev/nvidia-caps/nvidia-cap56
# INFO[0000] Creating link /dev/char/235:57 => /dev/nvidia-caps/nvidia-cap57
# INFO[0000] Creating link /dev/char/235:58 => /dev/nvidia-caps/nvidia-cap58
# INFO[0000] Creating link /dev/char/235:59 => /dev/nvidia-caps/nvidia-cap59
# INFO[0000] Creating link /dev/char/235:60 => /dev/nvidia-caps/nvidia-cap60
# INFO[0000] Creating link /dev/char/235:61 => /dev/nvidia-caps/nvidia-cap61
# INFO[0000] Creating link /dev/char/235:62 => /dev/nvidia-caps/nvidia-cap62
# INFO[0000] Creating link /dev/char/235:63 => /dev/nvidia-caps/nvidia-cap63
# INFO[0000] Creating link /dev/char/235:64 => /dev/nvidia-caps/nvidia-cap64
# INFO[0000] Creating link /dev/char/235:65 => /dev/nvidia-caps/nvidia-cap65
# INFO[0000] Creating link /dev/char/235:66 => /dev/nvidia-caps/nvidia-cap66
# INFO[0000] Creating link /dev/char/235:67 => /dev/nvidia-caps/nvidia-cap67
# INFO[0000] Creating link /dev/char/235:68 => /dev/nvidia-caps/nvidia-cap68
# INFO[0000] Creating link /dev/char/235:69 => /dev/nvidia-caps/nvidia-cap69
# INFO[0000] Creating link /dev/char/235:70 => /dev/nvidia-caps/nvidia-cap70
# INFO[0000] Creating link /dev/char/235:71 => /dev/nvidia-caps/nvidia-cap71
# INFO[0000] Creating link /dev/char/235:72 => /dev/nvidia-caps/nvidia-cap72
# INFO[0000] Creating link /dev/char/235:73 => /dev/nvidia-caps/nvidia-cap73
# INFO[0000] Creating link /dev/char/235:74 => /dev/nvidia-caps/nvidia-cap74
# INFO[0000] Creating link /dev/char/235:75 => /dev/nvidia-caps/nvidia-cap75
# INFO[0000] Creating link /dev/char/235:76 => /dev/nvidia-caps/nvidia-cap76
# INFO[0000] Creating link /dev/char/235:77 => /dev/nvidia-caps/nvidia-cap77
# INFO[0000] Creating link /dev/char/235:78 => /dev/nvidia-caps/nvidia-cap78
# INFO[0000] Creating link /dev/char/235:79 => /dev/nvidia-caps/nvidia-cap79
# INFO[0000] Creating link /dev/char/235:80 => /dev/nvidia-caps/nvidia-cap80
# INFO[0000] Creating link /dev/char/235:81 => /dev/nvidia-caps/nvidia-cap81
# INFO[0000] Creating link /dev/char/235:82 => /dev/nvidia-caps/nvidia-cap82
# INFO[0000] Creating link /dev/char/235:83 => /dev/nvidia-caps/nvidia-cap83
# INFO[0000] Creating link /dev/char/235:84 => /dev/nvidia-caps/nvidia-cap84
# INFO[0000] Creating link /dev/char/235:85 => /dev/nvidia-caps/nvidia-cap85
# INFO[0000] Creating link /dev/char/235:86 => /dev/nvidia-caps/nvidia-cap86
# INFO[0000] Creating link /dev/char/235:87 => /dev/nvidia-caps/nvidia-cap87
# INFO[0000] Creating link /dev/char/235:88 => /dev/nvidia-caps/nvidia-cap88
# INFO[0000] Creating link /dev/char/235:89 => /dev/nvidia-caps/nvidia-cap89
# INFO[0000] Creating link /dev/char/235:90 => /dev/nvidia-caps/nvidia-cap90
# INFO[0000] Creating link /dev/char/235:91 => /dev/nvidia-caps/nvidia-cap91
# INFO[0000] Creating link /dev/char/235:92 => /dev/nvidia-caps/nvidia-cap92
# INFO[0000] Creating link /dev/char/235:93 => /dev/nvidia-caps/nvidia-cap93
# INFO[0000] Creating link /dev/char/235:94 => /dev/nvidia-caps/nvidia-cap94
# INFO[0000] Creating link /dev/char/235:95 => /dev/nvidia-caps/nvidia-cap95
# INFO[0000] Creating link /dev/char/235:96 => /dev/nvidia-caps/nvidia-cap96
# INFO[0000] Creating link /dev/char/235:97 => /dev/nvidia-caps/nvidia-cap97
# INFO[0000] Creating link /dev/char/235:98 => /dev/nvidia-caps/nvidia-cap98
# INFO[0000] Creating link /dev/char/235:99 => /dev/nvidia-caps/nvidia-cap99
# INFO[0000] Creating link /dev/char/235:100 => /dev/nvidia-caps/nvidia-cap100
# INFO[0000] Creating link /dev/char/235:101 => /dev/nvidia-caps/nvidia-cap101
# INFO[0000] Creating link /dev/char/235:102 => /dev/nvidia-caps/nvidia-cap102
# INFO[0000] Creating link /dev/char/235:103 => /dev/nvidia-caps/nvidia-cap103
# INFO[0000] Creating link /dev/char/235:104 => /dev/nvidia-caps/nvidia-cap104
# INFO[0000] Creating link /dev/char/235:105 => /dev/nvidia-caps/nvidia-cap105
# INFO[0000] Creating link /dev/char/235:106 => /dev/nvidia-caps/nvidia-cap106
# INFO[0000] Creating link /dev/char/235:107 => /dev/nvidia-caps/nvidia-cap107
# INFO[0000] Creating link /dev/char/235:108 => /dev/nvidia-caps/nvidia-cap108
# INFO[0000] Creating link /dev/char/235:109 => /dev/nvidia-caps/nvidia-cap109
# INFO[0000] Creating link /dev/char/235:110 => /dev/nvidia-caps/nvidia-cap110
# INFO[0000] Creating link /dev/char/235:111 => /dev/nvidia-caps/nvidia-cap111
# INFO[0000] Creating link /dev/char/235:112 => /dev/nvidia-caps/nvidia-cap112
# INFO[0000] Creating link /dev/char/235:113 => /dev/nvidia-caps/nvidia-cap113
# INFO[0000] Creating link /dev/char/235:114 => /dev/nvidia-caps/nvidia-cap114
# INFO[0000] Creating link /dev/char/235:115 => /dev/nvidia-caps/nvidia-cap115
# INFO[0000] Creating link /dev/char/235:116 => /dev/nvidia-caps/nvidia-cap116
# INFO[0000] Creating link /dev/char/235:117 => /dev/nvidia-caps/nvidia-cap117
# INFO[0000] Creating link /dev/char/235:118 => /dev/nvidia-caps/nvidia-cap118
# INFO[0000] Creating link /dev/char/235:119 => /dev/nvidia-caps/nvidia-cap119
# INFO[0000] Creating link /dev/char/235:120 => /dev/nvidia-caps/nvidia-cap120
# INFO[0000] Creating link /dev/char/235:121 => /dev/nvidia-caps/nvidia-cap121
# INFO[0000] Creating link /dev/char/235:122 => /dev/nvidia-caps/nvidia-cap122
# INFO[0000] Creating link /dev/char/235:123 => /dev/nvidia-caps/nvidia-cap123
# INFO[0000] Creating link /dev/char/235:124 => /dev/nvidia-caps/nvidia-cap124
# INFO[0000] Creating link /dev/char/235:125 => /dev/nvidia-caps/nvidia-cap125
# INFO[0000] Creating link /dev/char/235:126 => /dev/nvidia-caps/nvidia-cap126
# INFO[0000] Creating link /dev/char/235:127 => /dev/nvidia-caps/nvidia-cap127
# INFO[0000] Creating link /dev/char/235:128 => /dev/nvidia-caps/nvidia-cap128
# INFO[0000] Creating link /dev/char/235:129 => /dev/nvidia-caps/nvidia-cap129
# INFO[0000] Creating link /dev/char/235:130 => /dev/nvidia-caps/nvidia-cap130
# INFO[0000] Creating link /dev/char/235:131 => /dev/nvidia-caps/nvidia-cap131
# INFO[0000] Creating link /dev/char/235:132 => /dev/nvidia-caps/nvidia-cap132
# INFO[0000] Creating link /dev/char/235:133 => /dev/nvidia-caps/nvidia-cap133
# INFO[0000] Creating link /dev/char/235:134 => /dev/nvidia-caps/nvidia-cap134
# INFO[0000] Creating link /dev/char/235:135 => /dev/nvidia-caps/nvidia-cap135
# INFO[0000] Creating link /dev/char/235:136 => /dev/nvidia-caps/nvidia-cap136
# INFO[0000] Creating link /dev/char/235:137 => /dev/nvidia-caps/nvidia-cap137
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