diff --git a/apps/grpo/main.py b/apps/grpo/main.py
index f4c7988bb..c64f00bc2 100644
--- a/apps/grpo/main.py
+++ b/apps/grpo/main.py
@@ -316,9 +316,7 @@ async def main(cfg: DictConfig):
     # ---- Global setups ---- #
     if cfg.get("provisioner", None) is not None:
         await init_provisioner(
-            ProvisionerConfig(
-                launcher_config=LauncherConfig(**cfg.provisioner.launcher)
-            )
+            ProvisionerConfig(launcher_config=LauncherConfig(**cfg.provisioner))
         )
     metric_logging_cfg = cfg.get("metric_logging", {"console": {"log_per_rank": False}})
     mlogger = await get_or_create_metric_logger()
diff --git a/src/forge/controller/launcher.py b/src/forge/controller/launcher.py
index f2fe5f0f2..f75114114 100644
--- a/src/forge/controller/launcher.py
+++ b/src/forge/controller/launcher.py
@@ -299,9 +299,9 @@ def create_server_handle(self) -> str:
 def get_launcher(cfg: LauncherConfig | None = None) -> BaseLauncher | None:
     if not cfg:
         return None
-    if cfg.launcher == Launcher.SLURM:
+    if cfg.launcher == Launcher.SLURM.value:
         return Slurmlauncher()
-    elif cfg.launcher == Launcher.MAST:
+    elif cfg.launcher == Launcher.MAST.value:
         if not _MAST_AVAILABLE:
             raise ValueError(
                 "MAST imports did not succeed, cannot launch MAST jobs. Please verify your installation"
diff --git a/src/forge/controller/provisioner.py b/src/forge/controller/provisioner.py
index 35ab7e525..13c19ac50 100644
--- a/src/forge/controller/provisioner.py
+++ b/src/forge/controller/provisioner.py
@@ -232,6 +232,9 @@ def bootstrap(env: dict[str, str]):
                 env_vars["HYPERACTOR_MESSAGE_DELIVERY_TIMEOUT_SECS"] = "600"
                 env_vars["HYPERACTOR_CODE_MAX_FRAME_LENGTH"] = "1073741824"
 
+                # Shows detailed logs for Monarch rust failures
+                env_vars["RUST_BACKTRACE"] = "1"
+
             procs = host_mesh.spawn_procs(
                 per_host={"gpus": num_procs},
                 bootstrap=functools.partial(bootstrap, env=env_vars),
diff --git a/src/forge/types.py b/src/forge/types.py
index 4eeac55bd..45312db79 100644
--- a/src/forge/types.py
+++ b/src/forge/types.py
@@ -159,9 +159,9 @@ class LauncherConfig:
     """A launcher config for the scheduler."""
 
     launcher: Launcher
-    job_name: str
-    services: dict[str, ServiceConfig]
-    actors: dict[str, ProcessConfig]
+    job_name: str = ""
+    services: dict[str, ServiceConfig] = field(default_factory=dict)
+    actors: dict[str, ProcessConfig] = field(default_factory=dict)
 
 
 @dataclass
diff --git a/tests/sandbox/vllm/deepseek_r1.yaml b/tests/sandbox/vllm/deepseek_r1.yaml
index 252b20a3f..2255a5c03 100644
--- a/tests/sandbox/vllm/deepseek_r1.yaml
+++ b/tests/sandbox/vllm/deepseek_r1.yaml
@@ -13,6 +13,9 @@ policy:
     guided_decoding: false
     max_tokens: 512
 
+provisioner:
+  launcher: slurm
+
 services:
   policy:
     procs: 8
diff --git a/tests/sandbox/vllm/main.py b/tests/sandbox/vllm/main.py
index b425af324..0f3ce662c 100644
--- a/tests/sandbox/vllm/main.py
+++ b/tests/sandbox/vllm/main.py
@@ -15,10 +15,12 @@
 
 from forge.actors.policy import Policy
 from forge.cli.config import parse
-from forge.controller.provisioner import shutdown
+
+from forge.controller.provisioner import init_provisioner, shutdown
 
 from forge.data_models.completion import Completion
 from forge.observability.metric_actors import get_or_create_metric_logger
+from forge.types import LauncherConfig, ProvisionerConfig
 from omegaconf import DictConfig
 
 os.environ["HYPERACTOR_MESSAGE_DELIVERY_TIMEOUT_SECS"] = "600"
@@ -26,6 +28,10 @@
 
 
 async def run(cfg: DictConfig):
+    if cfg.get("provisioner", None) is not None:
+        await init_provisioner(
+            ProvisionerConfig(launcher_config=LauncherConfig(**cfg.provisioner))
+        )
     metric_logging_cfg = cfg.get("metric_logging", {"console": {"log_per_rank": False}})
     mlogger = await get_or_create_metric_logger()
     await mlogger.init_backends.call_one(metric_logging_cfg)