Stuck domo messages

Any theories as to why this happens?

Local delivery process 2645 uid=1 gid=1
set_process_info: 2645 1.62 delivering 0wa5SS-0004QW-00 to |/var/maillists/majordomo/wrapper resend -l beta_epsilon -f beta_epsilon-owner -h xmission.com -s beta_epsilon-goout using address_pipe
address_pipe transport entered
pipe command:
argv[0] = /var/maillists/majordomo/wrapper
argv[1] = resend
argv[2] = -l
argv[3] = beta_epsilon
argv[4] = -f
argv[5] = beta_epsilon-owner
argv[6] = -h
argv[7] = xmission.com
argv[8] = -s
argv[9] = beta_epsilon-goout
set_process_info: 2647 1.62 reading output from /var/maillists/majordomo/wrapper resend -l beta_epsilon -f beta_epsilon-owner -h xmission.com -s beta_epsilon-goout
Writing message to pipe
writing data block: timeout=0
writing data block: timeout=0
writing data block: timeout=0
writing data block: timeout=0
writing data block: timeout=0
writing data block: timeout=0
writing data block: timeout=0
writing data block: timeout=0
(ad naseum)