Debug failing PoSts in staging

actor/builtin/miner/miner.go

@@ -6,6 +6,7 @@ import (
 	"github.com/filecoin-project/go-sectorbuilder"
 	"github.com/ipfs/go-cid"
 	cbor "github.com/ipfs/go-ipld-cbor"
+	logging "github.com/ipfs/go-log"
 	"github.com/libp2p/go-libp2p-core/peer"
 	xerrors "github.com/pkg/errors"
 
@@ -19,6 +20,8 @@ import (
 	"github.com/filecoin-project/go-filecoin/vm/errors"
 )
 
+var log = logging.Logger("miner-actor")
+
 func init() {
 	cbor.RegisterCborType(State{})
 	cbor.RegisterCborType(Ask{})
@@ -926,6 +929,7 @@ func (ma *Actor) SubmitPoSt(ctx exec.VMContext, poStProof types.PoStProof, fault
 			if err != nil {
 				return nil, errors.RevertErrorWrap(err, "failed to sample chain for challenge seed")
 			}
+			log.Infof("Verifying post for addr %s -- end: %s -- seed: %x \n", ctx.Message().To.String(), state.ProvingPeriodEnd.String(), seed)
 
 			var sectorInfos []go_sectorbuilder.SectorInfo
 			for _, id := range state.ProvingSet.Values() {

protocol/storage/prover.go

@@ -4,13 +4,16 @@ import (
 	"context"
 
 	"github.com/filecoin-project/go-sectorbuilder"
+	logging "github.com/ipfs/go-log"
 	"github.com/pkg/errors"
 
 	"github.com/filecoin-project/go-filecoin/actor/builtin/miner"
 	"github.com/filecoin-project/go-filecoin/address"
 	"github.com/filecoin-project/go-filecoin/types"
 )
 
+var logProver = logging.Logger("/fil/storage/prover")
+
 const (
 	// Maximum number of rounds delay to allow for when submitting a PoSt for computing any
 	// fee necessary due to late submission. The miner expects the PoSt message to be mined
@@ -93,6 +96,8 @@ func (p *Prover) CalculatePoSt(ctx context.Context, start, end *types.BlockHeigh
 		}
 		sectorInfos[i] = info
 	}
+	logProver.Infof("Prover calculating post for addr %s -- start: %s -- end: %s -- seed: %x \n", p.actorAddress.String(), start.String(), end.String(), seed)
+
 	proof, err := p.calculator.CalculatePoSt(ctx, go_sectorbuilder.NewSortedSectorInfo(sectorInfos...), seed)
 	if err != nil {
 		return nil, errors.Wrap(err, "failed to calculate PoSt")