i do some test survive mode + creative (flying) and flat world
test with 512Mb of memory and 1024 Mb
(single player )flying around the world (0 ~ 3400 chunks) the game work fine dont have problem of freeze or lag but if i found a some vallage the game in few min begin to stutrering freeze but no crash (interval freeze ) but i close the game and see the log (using a magic launcher i see that )
2012-10-31 15:27:37 [iNFO] [sTDOUT] /home/deluxe/.minecraft/saves/Newrew/DIM1/data/idcounts.dat
2012-10-31 15:27:37 [iNFO] [sTDOUT] /home/deluxe/.minecraft/saves/Newrew/DIM1/data/villages.dat
2012-10-31 15:27:33 [iNFO] [sTDOUT] ViewRadius: 8, for: ib@196649c (detect)
2012-10-31 15:27:33 [iNFO] [sTDOUT] ViewRadius: 8, for: ib@1b2bb77 (detect)
2012-10-31 15:27:33 [iNFO] [sTDOUT] ViewRadius: 8, for: ib@4173b9 (detect)
all the time when have this issue (interval freeze) (see that info in the log) if i dont found any village when flay around the world the game work fine
log by magic launcher
Forge log