raid resync stalled, help please!

so i recently added a disk to a raid 5 under fedora 8. 83.3% resync, and it stalled... i dont even have the slightest clue where to start trouble shooting this ><

md0 : active raid5 sdd1[4] sda1[0] sdc1[3] sdg1[2] sde1[1]
      581424192 blocks super 0.91 level 5, 64k chunk, algorithm 2 [5/5] [UUUUU]
      [================>....]  reshape = 83.3% (161549768/193808064) finish=259497.6min speed=0K/sec

I am not helping you raid some site - resync stalled, whatever the hell that is. NYPA stupid newfag