diff --git a/compiler_gym/envs/compiler_env.py b/compiler_gym/envs/compiler_env.py
index fce35565e..62b7f29fe 100644
--- a/compiler_gym/envs/compiler_env.py
+++ b/compiler_gym/envs/compiler_env.py
@@ -735,7 +735,14 @@ def reset(  # pylint: disable=arguments-differ
 
         def _retry(error) -> Optional[ObservationType]:
             """Abort and retry on error."""
-            logger.warning("%s during reset(): %s", type(error).__name__, error)
+            # Log the error that we are recovering from, but treat
+            # ServiceIsClosed errors as unimportant since we know what causes
+            # them.
+            log_severity = (
+                logger.debug if isinstance(error, ServiceIsClosed) else logger.warning
+            )
+            log_severity("%s during reset(): %s", type(error).__name__, error)
+
             if self.service:
                 try:
                     self.service.close()
diff --git a/compiler_gym/service/connection.py b/compiler_gym/service/connection.py
index 16257d48b..8f9295781 100644
--- a/compiler_gym/service/connection.py
+++ b/compiler_gym/service/connection.py
@@ -204,7 +204,7 @@ def __call__(
             except ValueError as e:
                 if str(e) == "Cannot invoke RPC on closed channel!":
                     raise ServiceIsClosed(
-                        f"RPC communication failed with message: {e}"
+                        "RPC communication failed because channel is closed"
                     ) from None
                 raise e
             except grpc.RpcError as e:
diff --git a/tests/llvm/datasets/cbench_validate_test.py b/tests/llvm/datasets/cbench_validate_test.py
index 156e47b46..377f720d3 100644
--- a/tests/llvm/datasets/cbench_validate_test.py
+++ b/tests/llvm/datasets/cbench_validate_test.py
@@ -3,6 +3,8 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 """Test for cBench semantics validation."""
+import pytest
+
 from compiler_gym import ValidationResult
 from compiler_gym.envs.llvm import LlvmEnv
 from tests.test_main import main
@@ -10,6 +12,7 @@
 pytest_plugins = ["tests.pytest_plugins.llvm"]
 
 
+@pytest.mark.timeout(600)
 def test_validate_benchmark_semantics(env: LlvmEnv, validatable_cbench_uri: str):
     """Run the validation routine on all benchmarks."""
     env.reward_space = "IrInstructionCount"
@@ -29,6 +32,7 @@ def test_validate_benchmark_semantics(env: LlvmEnv, validatable_cbench_uri: str)
     assert result.okay()
 
 
+@pytest.mark.timeout(600)
 def test_non_validatable_benchmark_validate(
     env: LlvmEnv, non_validatable_cbench_uri: str
 ):