[CI only] reproducer for ascent y-axis slice GPU issue

inputs/ascent_broken_on_gpu.yaml

@@ -0,0 +1,49 @@
+- 
+  action: "add_pipelines"
+  pipelines: 
+    pl1:
+      f2:
+        type: "slice"
+        params: 
+          point: 
+            x: 0.0
+            y: 0.0
+            z: 0.0
+          normal: 
+            x: 0.0
+            y: 1.0
+            z: 0.0
+- 
+  action: "add_scenes"
+  scenes: 
+    s1: 
+      plots: 
+        p1: 
+          type: "pseudocolor"
+          field: "Density"
+          pipeline: "pl1"
+          color_table: 
+            name: "Viridis"
+      renders:
+        r1:
+          image_prefix: "dens%05d"
+          annotations: "true"
+          camera:
+            look_at: [0.0, 0.0, 0.0]
+            position: [0.0, -0.25, 0.0]
+            up: [0.0, 0.0, 1.0]
+-
+  action: "add_extracts"
+  extracts:
+    yslice_extract:
+      type: "relay"
+      pipeline: "pl1"
+      params:
+        path: "yslice"
+        protocol: "blueprint/mesh/hdf5"
+        num_files: 2
+    e1:
+      type: "relay"
+      params:
+        path: "blueprint"
+        protocol: "blueprint/mesh/hdf5"

inputs/ascent_working_on_gpu.yaml

@@ -0,0 +1,18 @@
+- 
+  action: "add_scenes"
+  scenes: 
+    s1: 
+      plots: 
+        p1: 
+          type: "pseudocolor"
+          field: "Density"
+          color_table: 
+            name: "Viridis"
+      renders:
+        r1:
+          image_prefix: "dens%05d"
+          annotations: "true"
+          camera:
+            look_at: [0.0, 0.0, 0.0]
+            position: [0.0, -0.25, 0.0]
+            up: [0.0, 0.0, 1.0]

inputs/rand_blast_ascent.in

@@ -0,0 +1,73 @@
+# AthenaPK - a performance portable block structured AMR MHD code
+# Copyright (c) 2021, Athena Parthenon Collaboration. All rights reserved.
+# Licensed under the BSD 3-Clause License (the "LICENSE");
+
+<comment>
+problem   = 3D Random blasts
+reference = Balsara and Kim 2004 ApJ 602:1079–1090
+
+<job>
+problem_id = rand_blast
+
+<problem/rand_blast>
+rho0         = 1.0      # initial mean density
+p0           = 0.3      # initial mean pressure
+Bx0          = 0.056117 # initial magnetic field (x-direction)
+
+<parthenon/mesh>
+refinement = none
+nghost = 2
+
+nx1 = 128
+x1min = -0.1 
+x1max = 0.1
+ix1_bc = periodic
+ox1_bc = periodic
+
+nx2 = 128
+x2min = -0.1
+x2max = 0.1
+ix2_bc = periodic
+ox2_bc = periodic
+
+nx3 = 128
+x3min = -0.1
+x3max = 0.1
+ix3_bc = periodic
+ox3_bc = periodic
+
+<parthenon/meshblock>
+nx1=64
+nx2=64 
+nx3=64
+
+<parthenon/time>
+integrator = vl2
+cfl = 0.3
+tlim = 0.03
+nlim = 100000
+perf_cycle_offset = 2 # number of inital cycles not to be included in perf calc
+
+<hydro>
+fluid = glmmhd
+glmmhd_source = dedner_extended
+eos = adiabatic
+reconstruction = plm
+riemann = hlle
+gamma = 1.666666666666667 # gamma = C_p/C_v
+scratch_level = 0 # 0 is actual scratch (tiny); 1 is HBM
+
+<parthenon/output0>
+file_type = hdf5
+dt = 0.003
+variables = prim
+
+<parthenon/output1>
+file_type = hst
+dt = 0.0003
+
+<parthenon/output3>
+file_type    = ascent
+dt           = 0.003
+actions_file = inputs/ascent_broken_on_gpu.yaml
+