Slave crashes during init sync - after 24+ hours

Primary:

sprawk:PRIMARY> db.getReplicationInfo();
{
	"logSizeMB" : 28610.2294921875,
	"usedMB" : 537.86,
	"timeDiff" : 89633,
	"timeDiffHours" : 24.9,
	"tFirst" : "Sat Jun 22 2013 15:22:26 GMT+0200 (CEST)",
	"tLast" : "Sun Jun 23 2013 16:16:19 GMT+0200 (CEST)",
	"now" : "Sun Jun 23 2013 16:16:19 GMT+0200 (CEST

Servers are max 2 seconds out of sync....

Config on server:
master=true
replSet=sprawk
keyFile = /var/lib/mongo/sprawk.key
oplogSize = 28610

Config on slave:
replSet=sprawk
keyFile = /var/lib/mongo/sprawk.key

I will now try again with the same oplogSize specified on the slave...