diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index 248a40e8fa..1e435e81d5 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -5308,6 +5308,7 @@ StartupXLOG(void)
 	 */
 	endOfRecoveryInfo = FinishWalRecovery();
 	EndOfLog = endOfRecoveryInfo->endOfLog;
+elog(LOG, "XXX point 1: EndOfLog = %lx", EndOfLog);
 	EndOfLogTLI = endOfRecoveryInfo->endOfLogTLI;
 	abortedRecPtr = endOfRecoveryInfo->abortedRecPtr;
 	missingContrecPtr = endOfRecoveryInfo->missingContrecPtr;
@@ -5446,7 +5447,9 @@ StartupXLOG(void)
 	{
 		Assert(!XLogRecPtrIsInvalid(abortedRecPtr));
 		EndOfLog = missingContrecPtr;
+elog(LOG, "XXX clobbering EndOfLog");
 	}
+elog(LOG, "XXX point 2: EndOfLog = %lx", EndOfLog);
 
 	/*
 	 * Prepare to write WAL starting at EndOfLog location, and init xlog
@@ -5456,6 +5459,7 @@ StartupXLOG(void)
 	Insert = &XLogCtl->Insert;
 	Insert->PrevBytePos = XLogRecPtrToBytePos(endOfRecoveryInfo->lastRec);
 	Insert->CurrBytePos = XLogRecPtrToBytePos(EndOfLog);
+elog(LOG, "XXX point 3: Insert->CurrBytePos = %lx", Insert->CurrBytePos);
 
 	/*
 	 * Tricky point here: lastPage contains the *last* block that the LastRec
@@ -5554,6 +5558,7 @@ StartupXLOG(void)
 	Insert->fullPageWrites = lastFullPageWrites;
 	UpdateFullPageWrites();
 
+elog(LOG, "XXX point 4: Insert->CurrBytePos = %lx", Insert->CurrBytePos);
 	/*
 	 * Emit checkpoint or end-of-recovery record in XLOG, if required.
 	 */
diff --git a/src/backend/access/transam/xlogrecovery.c b/src/backend/access/transam/xlogrecovery.c
index 141af04388..8c6753a8a8 100644
--- a/src/backend/access/transam/xlogrecovery.c
+++ b/src/backend/access/transam/xlogrecovery.c
@@ -1434,6 +1434,8 @@ FinishWalRecovery(void)
 	XLogPrefetcherBeginRead(xlogprefetcher, lastRec);
 	(void) ReadRecord(xlogprefetcher, PANIC, false, lastRecTLI);
 	endOfLog = xlogreader->EndRecPtr;
+elog(LOG, "point 0: lastRec = %lx", lastRec);
+elog(LOG, "point 0: endOfLog = %lx", endOfLog);
 
 	/*
 	 * Remember the TLI in the filename of the XLOG segment containing the