Print additional info if DAG creation fails

10 years ago · 3e2fc17e81
1 changed files with 4 additions and 1 deletions
--- a/libethcore/EthashAux.cpp
+++ b/libethcore/EthashAux.cpp
@ -137,7 +137,10 @@ EthashAux::FullAllocation::FullAllocation(ethash_light_t _light, ethash_callback
 	full = ethash_full_new(_light, _cb);
 //	cdebug << "Called OK.";
 	if (!full)
-		BOOST_THROW_EXCEPTION(ExternalFunctionFailure("ethash_full_new()"));
+	{
+		clog(DAGChannel) << "DAG Generation Failure. Reason: "  << strerror(errno);
+		BOOST_THROW_EXCEPTION(ExternalFunctionFailure("ethash_full_new"));
+	}
 }

 EthashAux::FullAllocation::~FullAllocation()