Put in a hack to prevent dud work from sneaking into test_work_current being seen as a new block.
diff --git a/cgminer.c b/cgminer.c
index 78a2b42..f4c6700 100644
--- a/cgminer.c
+++ b/cgminer.c
@@ -3533,7 +3533,10 @@ static bool test_work_current(struct work *work)
if (work->mandatory)
return ret;
+ /* Hack to work around dud work sneaking into test */
hexstr = bin2hex(work->data + 8, 18);
+ if (!strncmp(hexstr, "000000000000000000000000000000000000", 36))
+ goto out_free;
/* Search to see if this block exists yet and if not, consider it a
* new block and set the current block details to this one */