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AMD GPU operator

Explore the power of AMD Instinct GPU accelerators within your OpenShift cluster with the AMD GPU Operator. This documentation is your go-to resource to enable, configure, and run accelerated workloads with your AMD Instinct GPU accelerators. The AMD GPU Operator lets you seamlessly harness computing capabilities for machine learning, Generative AI, and GPU-accelerated applications.

Overview of the AMD GPU operator installation

The AMD GPU Operator is distributed in the community OperatorHub and is usable from the OpenShift console.

To install the AMD community release, an OpenShift administrator has to follow these steps:

User interface Step description
OpenShift CLI Create the internal registry
OpenShift CLI Blacklist the inbox drivers with a MachineConfig
OpenShift Console Install the Node Feature Discovery Operator
OpenShift Console Install the Kernel Module Management Operator
OpenShift Console Install the AMD GPU Operator

We have one OpenShift cluster deployed (Single Node OpenShift, here):

laptop ~ % oc get nodes
NAME                                    STATUS   ROLES                         AGE   VERSION
worker0.example.com   Ready    control-plane,master,worker   35m   v1.27.9+e36e183

We are using Red Hat OpenShift 4.14:

laptop ~ % oc get clusterversion
NAME      VERSION   AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.14.10   True        False         18m     Cluster version is 4.14.10

We can see that one AMD MI210 GPU accelerator is available on the node:

laptop ~ % oc debug node/worker0.example.com   

sh-4.4# chroot /host

sh-5.1# lspci | grep -i MI210
b3:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Aldebaran/MI200 [Instinct MI210] (rev 02)

sh-5.1# exit
exit

sh-4.4# exit
exit

Removing debug pod ...

The AMD GPU Operator will build and deploy the latest ROCm 6 drivers release: https://rocm.docs.amd.com/en/latest/deploy/linux/os-native/install.html

Create the internal registry

Check before, we don’t have an internal registry:

laptop ~ % oc get pods -n openshift-image-registry
NAME                                               READY   STATUS    RESTARTS   AGE
cluster-image-registry-operator-79ffc48786-crfkc   1/1     Running   0          37m
node-ca-nsknt                                      1/1     Running   0          20m

Configure the storage of the local image registry:

laptop ~ % oc patch configs.imageregistry.operator.openshift.io cluster --type merge --patch '{"spec":{"storage":{"emptyDir":{}}}}'
config.imageregistry.operator.openshift.io/cluster patched

Enable the local image registry:

laptop ~ % oc patch configs.imageregistry.operator.openshift.io cluster --type merge --patch '{"spec":{"managementState":"Managed"}}'
config.imageregistry.operator.openshift.io/cluster patched

The image registry is running:

laptop ~ % oc get pods -n openshift-image-registry    
NAME                                               READY   STATUS    RESTARTS   AGE
cluster-image-registry-operator-79ffc48786-crfkc   1/1     Running   0          57m
image-registry-749f6bf957-2jqtj                    1/1     Running   0          87s
node-ca-nsknt                                      1/1     Running   0          41m

Blacklist the inbox drivers with a MachineConfig

We have, by default, the inbox amd drivers loaded:

laptop ~ % oc debug node/worker0.example.com            

sh-4.4# chroot /host

sh-5.1# lsmod | grep amd
amdgpu               9494528  0
iommu_v2               24576  1 amdgpu
gpu_sched              49152  1 amdgpu
drm_buddy              20480  1 amdgpu
drm_display_helper    172032  1 amdgpu
drm_ttm_helper         16384  1 amdgpu
i2c_algo_bit           16384  2 mgag200,amdgpu
ttm                    90112  2 amdgpu,drm_ttm_helper
drm_kms_helper        192512  5 drm_display_helper,mgag200,amdgpu
drm                   581632  10 gpu_sched,drm_kms_helper,drm_shmem_helper,drm_display_helper,mgag200,drm_buddy,amdgpu,drm_ttm_helper,ttm

No /etc/modprobe.d/amdgpu-blacklist.conf file created for now:

sh-5.1# ls /etc/modprobe.d/amdgpu-blacklist.conf
ls: cannot access '/etc/modprobe.d/amdgpu-blacklist.conf': No such file or directory

sh-5.1# exit
exit

sh-4.4# exit
exit

Removing debug pod ...

We prepare the 1-blacklist.yml yaml file. You should set master for the label machineconfiguration.openshift.io/role if you run Single Node OpenShift or worker in other scenarios with dedicated controllers.

laptop ~ % cat <<EOF > 1-blacklist.yml  
apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  labels:
    machineconfiguration.openshift.io/role: worker
  name: amdgpu-module-blacklist
spec:
  config:
    ignition:
      version: 3.2.0
    storage:
      files:
        - path: "/etc/modprobe.d/amdgpu-blacklist.conf"
          mode: 420
          overwrite: true
          contents:
            source: "data:text/plain;base64,YmxhY2tsaXN0IGFtZGdwdQo="
EOF

We apply the blacklist Machine Config for the inbox AMD GPU driver:

laptop ~ % oc apply -f 1-blacklist.yml
machineconfig.machineconfiguration.openshift.io/amdgpu-module-blacklist created

We can see the machineconfig runnning:

laptop ~ % oc get machineconfigs | grep amdgpu-module-blacklist
amdgpu-module-blacklist                                                                       3.2.0             12s

The MachineConfig will trigger a reboot, you can ping your host to follow the reboot.

After the reboot, we can connect to the node and see that the blacklist file is created:

laptop ~ % oc debug node/worker0.example.com

sh-4.4# chroot /host

sh-5.1# ls /etc/modprobe.d/amdgpu-blacklist.conf
/etc/modprobe.d/amdgpu-blacklist.conf

No amd modules are loaded after the reboot:

sh-5.1# lsmod | grep amd

sh-5.1# exit
exit

sh-4.4# exit
exit

Removing debug pod ...

Install the Node Feature Discovery Operator

In the OpenShift Console, in Operators > OperatorHub search: nfd alt_text

Click on Node Feature Discovery Operator tagged Red Hat.

alt_text

Click on Install.

alt_text

Click on Install.

alt_text

Click on View Operator.

Create the NFD instance:

alt_text

Click on Create Instance.

alt_text

Click on Create.

The Node Feature Discovery Operator is installed.

You can see the NFD label in Compute > Node > your node > Details tab, you should see: feature.node.kubernetes.io/pci-1002.present=true

alt_text

We can also see the label with one oc command:

laptop ~ % oc describe nodes | grep pci-1002.present
                    feature.node.kubernetes.io/pci-1002.present=true

Install the Kernel Module Management Operator

alt_text

Click on the Kernel Module Management (not the one called Hub).

alt_text

Click on Install.

alt_text

Click on Install.

The operator is installed: alt_text

To verify that the Operator deployment is successful, run the following command:

laptop ~ % oc get -n openshift-kmm pods   
NAME                                       READY   STATUS    RESTARTS   AGE
kmm-operator-controller-5f675cdf94-wk2ff   2/2     Running   0          65s

The Kernel Module Management Operator is installed and ready to be used by the AMD GPU Operator.

Install the AMD GPU operator

Check before:

laptop ~ % oc get pods -n openshift-amd-gpu  
No resources found in openshift-amd-gpu namespace.

The worker nodes with AMD GPUs are not labeled, for now, with amd.com/gpu to schedule AMD GPU accelerated pods:

laptop ~ %  oc describe node | egrep "Resource.*Requests|amd.com/gpu"
  Resource           Requests      Limits

alt_text

Click on AMD GPU Operator.

alt_text

Click on Continue.

alt_text

Click on Install.

alt_text

Click on Install.

alt_text

Click on View Operator.

Check if the operator has created the amd-gpu-operator-controller-manager:

laptop ~ % oc get pods -n openshift-amd-gpu  
NAME                                                   READY   STATUS    RESTARTS   AGE
amd-gpu-operator-controller-manager-5c58556d57-6xlwt   2/2     Running   0          80s

alt_text

Click on Create instance.

alt_text

Click on Create.

A build is starting and is building the AMD GPU driver:

laptop ~ % oc get pods -n openshift-amd-gpu  
NAME                                                   READY   STATUS    RESTARTS   AGE
amd-gpu-operator-controller-manager-5c58556d57-6xlwt   2/2     Running   0          117s
dc-internal-registry-build-5rltr-build                 1/1     Running   0          37s

We can follow the AMD drivers build logs:

laptop ~ % oc logs dc-internal-registry-build-5rltr-build -n openshift-amd-gpu -f
...
  CC [M]  /amdgpu-drivers-source/amd/amdgpu/si_dma.o
  CC [M]  /amdgpu-drivers-source/amd/amdgpu/dce_v6_0.o
  CC [M]  /amdgpu-drivers-source/amd/amdgpu/uvd_v3_1.o
...
Writing manifest to image destination
Successfully pushed image-registry.openshift-image-registry.svc:5000/openshift-amd-gpu/amd_gpu_kmm_modules@sha256:a66912cb3c22fe561c1ffbc8e2c5bb5b05199353ff2afaf20390a6412d3bfa68
Push successful

You can find the amd.com/gpu resources to schedule your AMD-GPU-accelerated pods:

laptop ~ % oc describe node | egrep "Resource.*Requests|amd.com/gpu"  
  amd.com/gpu:        1
  amd.com/gpu:        1
  Resource           Requests      Limits
  amd.com/gpu        0             0

Test the AMD GPU Operator

Test rocm-smi

Prepare the yaml file:

laptop % cat << EOF > rocm-smi.yaml
apiVersion: v1
kind: Pod
metadata:
 name: rocm-smi
spec:
 containers:
 - image: docker.io/rocm/pytorch:latest
   name: rocm-smi
   command: ["/bin/sh","-c"]
   args: ["rocm-smi"]
   resources:
    limits:
      amd.com/gpu: 1
    requests:
      amd.com/gpu: 1
 restartPolicy: Never
EOF

Create the rocm-smi pod:

laptop ~ % oc create -f rocm-smi.yaml
pod/rocm-smi created

Check rocm-smi log with one MI210 GPU:

laptop ~ % oc get pods
NAME        READY   STATUS      RESTARTS   AGE
rocm-smi   0/1     Completed   0           40s

Check the logs:

laptop ~ % oc logs pod/rocm-smi
====================================== ROCm System Management Interface ======================================
================================================ Concise Info ================================================
Device  [Model : Revision]    Temp    Power  Partitions      SCLK    MCLK     Fan  Perf  PwrCap  VRAM%  GPU%  
        Name (20 chars)       (Edge)  (Avg)  (Mem, Compute)                                                   
==============================================================================================================
0       [0x0c34 : 0x02]       32.0°C  38.0W  N/A, N/A        800Mhz  1600Mhz  0%   auto  300.0W    0%   0%    
        Instinct MI210                                                                                        
==============================================================================================================
============================================ End of ROCm SMI Log =============================================

laptop ~ % oc delete -f rocm-smi.yaml
pod "rocm-smi" deleted

Test rocminfo

Prepare the yaml file:

laptop % cat << EOF > rocminfo.yaml
apiVersion: v1
kind: Pod
metadata:
 name: rocminfo
spec:
 containers:
 - image: docker.io/rocm/pytorch:latest
   name: rocminfo
   command: ["/bin/sh","-c"]
   args: ["rocminfo"]
   resources:
    limits:
      amd.com/gpu: 1
    requests:
      amd.com/gpu: 1
 restartPolicy: Never
EOF

Create the rocminfo pod:

laptop % oc create -f rocminfo.yaml
apiVersion: v1
pod/rocminfo created

Check the rocminfo logs with one MI210 GPU:

laptop ~ % oc logs rocminfo | grep -A5 "Agent"
HSA Agents               
==========               
*******                  
Agent 1                  
*******                  
  Name:                    Intel(R) Xeon(R) Gold 6330 CPU @ 2.00GHz
  Uuid:                    CPU-XX                             
  Marketing Name:          Intel(R) Xeon(R) Gold 6330 CPU @ 2.00GHz
  Vendor Name:             CPU                                
--
Agent 2                  
*******                  
  Name:                    Intel(R) Xeon(R) Gold 6330 CPU @ 2.00GHz
  Uuid:                    CPU-XX                             
  Marketing Name:          Intel(R) Xeon(R) Gold 6330 CPU @ 2.00GHz
  Vendor Name:             CPU                                
--
Agent 3                  
*******                  
  Name:                    gfx90a                             
  Uuid:                    GPU-024b776f768a638b               
  Marketing Name:          AMD Instinct MI210                 
  Vendor Name:             AMD                     

laptop ~ % oc delete -f rocminfo.yaml

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