Comment 5 for bug 285807

According to this:

The bug is to be fixed in 3.1.4, which is supposed to be out this weekend.

Posted: Tue Oct 14, 2008 5:40 pm Post subject: Reply with quote
  It is fixed now, it was an infinite loop of failed DNS lookups in the UDP tracker code.

 Fix will be part of 3.1.4 which is going to be out this weekend.