xpmem is only on kuma

stacks/pinot-noir/packages_acc_cuda.yaml

@@ -21,7 +21,7 @@ packages:
 
   hypre:
     require:
-    - spec: '+cuda cuda_arch={cuda_arch} +unified-memory'
+    - spec: '+cuda cuda_arch={cuda_arch} ~unified-memory '
       when: '%gcc'
 
   kokkos:
@@ -78,5 +78,5 @@ packages:
     - spec: '+cuda cuda_arch={cuda_arch} +nccl'
 
   ucx:
-    require:
-    - spec: '+xpmem +cma +rdmacm +rc +ud +dc +verbs +ib_hw_tm +gdrcopy +cuda cuda_arch={cuda_arch} ~rocm'
+    require: ['+cma', '+rdmacm', '+rc', '+ud', '+dc', '+verbs',
+              '+ib_hw_tm', '+gdrcopy', '+cuda', 'cuda_arch={cuda_arch}', '~rocm']

stacks/pinot-noir/packages_kuma-h100.yaml

@@ -5,6 +5,9 @@ packages:
   openmpi:
     require: ['fabrics=hcoll']
 
+  ucx:
+    require: ['+xpmem']
+
   # ---------------------------------------------------------------------------
   # Externals
   # ---------------------------------------------------------------------------
@@ -29,7 +32,7 @@ packages:
   slurm:
     buildable: false
     externals:
-    - spec: 'slurm@24-05-0-2'
+    - spec: 'slurm@24-05-2-1'
       prefix: /usr
 
   xpmem:

stacks/pinot-noir/packages_kuma-l40s.yaml

@@ -9,6 +9,9 @@ packages:
   openmpi:
     require: ['fabrics=hcoll']
 
+  ucx:
+    require: ['+xpmem']
+
   # ---------------------------------------------------------------------------
   # Externals
   # ---------------------------------------------------------------------------
@@ -33,7 +36,7 @@ packages:
   slurm:
     buildable: false
     externals:
-    - spec: 'slurm@24-05-0-2'
+    - spec: 'slurm@24-05-2-1'
       prefix: /usr
 
   xpmem: