From 13364a2dcf08924605408ae0e9233ea8e51d37fb Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Wed, 29 Apr 2015 13:40:39 +0200
Subject: [PATCH] eth/downloader: reset the chain when parent is missing during
 processing

---
 eth/downloader/downloader.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go
index 63d202a7fb..a3917854f2 100644
--- a/eth/downloader/downloader.go
+++ b/eth/downloader/downloader.go
@@ -436,6 +436,8 @@ func (d *Downloader) process(peer *peer) error {
 		if err != nil && core.IsParentErr(err) {
 			glog.V(logger.Debug).Infoln("Aborting process due to missing parent.")
 
+			// XXX this needs a lot of attention
+			blocks = nil
 			break
 		} else if err != nil {
 			// immediatly unregister the false peer but do not disconnect