diff --git a/validator/client/runner.go b/validator/client/runner.go
index c11a50f9c..b1bbe3257 100644
--- a/validator/client/runner.go
+++ b/validator/client/runner.go
@@ -2,11 +2,13 @@ package client
 
 import (
 	"context"
+	"fmt"
 	"sync"
 	"time"
 
 	"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
 	pb "github.com/prysmaticlabs/prysm/proto/beacon/rpc/v1"
+	"github.com/prysmaticlabs/prysm/shared/bytesutil"
 	"github.com/prysmaticlabs/prysm/shared/params"
 	"go.opencensus.io/trace"
 	"google.golang.org/grpc/codes"
@@ -69,9 +71,11 @@ func run(ctx context.Context, v Validator) {
 			return // Exit if context is canceled.
 		case slot := <-v.NextSlot():
 			span.AddAttributes(trace.Int64Attribute("slot", int64(slot)))
-			slotCtx, cancel := context.WithDeadline(ctx, v.SlotDeadline(slot))
+			deadline := v.SlotDeadline(slot)
+			slotCtx, cancel := context.WithDeadline(ctx, deadline)
 			// Report this validator client's rewards and penalties throughout its lifecycle.
 			log := log.WithField("slot", slot)
+			log.WithField("deadline", deadline).Debug("Set deadline for proposals and attestations")
 			if err := v.LogValidatorGainsAndLosses(slotCtx, slot); err != nil {
 				log.WithError(err).Error("Could not report validator's rewards/penalties")
 			}
@@ -109,7 +113,7 @@ func run(ctx context.Context, v Validator) {
 						case pb.ValidatorRole_AGGREGATOR:
 							go v.SubmitAggregateAndProof(slotCtx, slot, id)
 						case pb.ValidatorRole_UNKNOWN:
-							log.Debug("No active roles, doing nothing")
+							log.WithField("pubKey", fmt.Sprintf("%#x", bytesutil.Trunc(id[:]))).Trace("No active roles, doing nothing")
 						default:
 							log.Warnf("Unhandled role %v", role)
 						}
diff --git a/validator/client/validator_aggregate.go b/validator/client/validator_aggregate.go
index 1e03548c9..db364eb07 100644
--- a/validator/client/validator_aggregate.go
+++ b/validator/client/validator_aggregate.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"time"
 
+	"github.com/pkg/errors"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
 	ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
@@ -115,7 +116,7 @@ func (v *validator) signSlot(ctx context.Context, pubKey [48]byte, slot uint64)
 
 	sig, err := v.keyManager.Sign(pubKey, slotRoot, domain.SignatureDomain)
 	if err != nil {
-		return nil, err
+		return nil, errors.Wrap(err, "Failed to sign slot")
 	}
 
 	return sig.Marshal(), nil